PAPERS: Thomas N. Woods (Updated – July 2012) Hudson, H. S., L. Fletcher, A. L. MacKinnon, and T. N. Woods, Charge-exchange limits on lowenergy alpha-particle fluxes in solar flares, Astrophys. J., 752:84, doi: 10.1088/0004637X/752/2/84, 2012. Lemaire, P., J.-C. Vial, W. Curdt, U. Schühle, and T. N. Woods, The solar hydrogen Lyman alpha to Lyman beta line ratio, Astron. Astrophys., 542, L25, doi: 10.1051/0004-6361/201219026, 2012. Milligan, R. O., P. C. Chamberlin, H. S. Hudson, T. N. Woods, M. Mathioudakis, L. Fletcher, A. F. Kowalski, and F. P. Keenan, Observations of Enhanced EUV Continua during an X-class Solar Flare using SDO/EVE, Astrophys. J. Lett., in press, 2012. Chamberlin, P. C., R. O. Milligan, and T. N. Woods, Thermal Evolution and Radiative Output of Solar Flares Observed by the EUV Variability Experiment (EVE), Solar Phys., in press, 2012. Hudson, H. S., T. N. Woods, P. C. Chamberlin, L. Fletcher, G. Del Zana, L. Didkovsky, N. Labrosse, and D. Graham, The EVE Doppler Sensitivity and Flare Observations, Solar Physics, 273, 69-80, doi: 10.1007/s11207-011-9862-y, 2011. Fontenla, J. M., J. Harder, W. Livingston, M. Snow, and T. Woods, High-resolution solar spectral irradiance from extreme ultraviolet to far infrared, J. Geophys. Res., 116, D15, 20108, doi: 10.1029/2011JD016032, 2011. Schrijver, C. J., W. C. Livingston, T. N. Woods, and R. A. Mewaldt, The Minimal Solar Activity in 2008-2009 and its implications for Long-Term Climate Modeling, GeoPhys Res. Letts., 38, L06701, doi: 10.1029/2011GL046658, 2011. L. Didkovsky, D. Judge, A. G. Kosovichev, S. Wieman, and T. Woods, Observations of FiveMinute Solar Oscillations in the Corona Using the Extreme Ultraviolet Spectrometer (ESP) on board the Solar Dynamics Observatory Extreme Ultraviolet Variability Experiment (SDO/EVE), ApJ Letters, 738:L7, doi: 10.1088/2041-8205/738/1/L7, Sept. 1, 2011. Merkel, Aimee W., Jerald W. Harder, Daniel R. Marsh, Anne K. Smith, Juan M. Fontenla, and Tom Woods, The impact of solar spectral irradiance variability on middle atmospheric ozone, Geophys. Res. Lett., 38, L13802, doi: 10.1029/2011GL047561, 2011. Solomon, S. C., L. Qian, L. V. Didkovsky, R. A. Viereck, and T. N. Woods, Causes of low thermospheric density during the 2007–2009 solar minimum, J. Geophys. Res., 116, A00H07, doi: 10.1029/2011JA016508, 2011. Woods, Thomas N., Rachel Hock, Frank Eparvier, Andrew R. Jones, Phillip C. Chamberlin, James A. Klimchuk, Leonid Didkovsky, Darrell Judge, John Mariska, Harry Warren, Carolus J. Schrijver, David F. Webb, Scott Bailey, and W. Kent Tobiska, New Solar Extreme Ultraviolet Irradiance Observations during Flares, ApJ, 739, 2, 59, doi: 10.1088/0004-637X/739/2/59, 2011. 1 Lean, J. L., T. N. Woods, F. G. Eparvier, R. R. Meier, D. J. Strickland, J. T. Correira, and J. S. Evans, Solar extreme ultraviolet irradiance: Present, past and future, J. Geophys. Res., 116, A01102, doi: 10.1029/2010JA015901, 2011. Solomon, S. C., T. N. Woods, L. V. Didkovsky, J. T. Emmert, and L. Qian, Anomalously low solar extreme-ultraviolet irradiance and thermospheric density during solar minimum, Geophys. Res. Lett., 37, doi: 10.1029/2010GL044468, 2010. Snow, M., W. E. McClintock, and T. N. Woods, Solar spectral irradiance variability in the ultraviolet from SORCE and UARS SOLSTICE, Adv. Space Res., 46, 296-302, doi: 10.1016/j.asr.2010.03.027, 2010. Lu, G., M. G. Mlynczak, T. Woods, and R. G. Roble, On the relationship of Joule heating and nitric oxide radiative cooling in the thermosphere, J. Geophys. Res., 115, A05306, doi: 10.1029/2009JA014662, 2010. Del Zanna, G., V. Andretta, P. C. Chamberlin, T. N. Woods, and W. T. Thompson, The EUV spectrum of the Sun: long-term variations of the SOHO CDS NIS spectral responsivities, Astron. & Astrophys., 518, doi: 10.1051/0004-6361/200912904, 2010. Woods, T. N., “Irradiance Variations During This Solar Cycle Minimum”, in SOHO-23: Understanding a Peculiar Solar Minimum, ed. S. Cranmer, T. Hoeksema, and J. Kohl, ASP Conference Series, 428, 68, 2010. Lean, J. L. and T. N. Woods, Solar Total and Spectral Irradiance Measurements and Models: A Users Guide, in Evolving Solar Physics and the Climates of Earth and Space, ed. K. Schrijver and G. Siscoe, Cambridge Univ. Press, 2010. Harder, J. W., G. Thuillier, E. C. Richard, S. W. Brown, K. R. Lykke, M. Snow, W. E. McClintock, J. M. Fontenla, T. N. Woods, and P. Pilewskie, The SORCE SIM Solar Spectrum: Comparison with Recent Observations, Solar Physics, 263, 3-24, doi: 10.1007s11207-010-9555-y, 2010. Evans, J. S. D. J. Strickland, W. K. Woo, D. R. McMullin, S. P. Plunkett, R. A. Viereck, S. M. Hill, T. N. Woods, and F. G. Eparvier, Early Observations by the GOES-13 Solar Extreme Ultraviolet Sensor (EUVS), Solar Physics, 272, 71-115, doi: 10.1007/s11207-009-9491-x, 2010. Woods, T. N., F. G. Eparvier, R. Hock, A. R. Jones, D. Woodraska, D. Judge, L. Didkovsky, J. Lean, J. Mariska, H. Warren, D. McMullin, P. Chamberlin, G. Berthiaume, S. Bailey, T. Fuller-Rowell, J. Sojka, W. K. Tobiska, and R. Viereck, The EUV Variability Experiment (EVE) on the Solar Dynamics Observatory (SDO): Overview of Science Objectives, Instrument Design, Data Products, and Model Developments, Solar Phys., doi 10.1007/s11207-009-9487-6, 2010. Hock, R. A., P. C. Chamberlin, T. N. Woods, D. Crotser, F. G. Eparvier, M. Furst, D. L. Woodraska, and E. C. Woods, EUV Variability Experiment (EVE) Multiple EUV Grating Spectrographs (MEGS) Radiometric Calibrations and Results, Solar Phys., doi 10.1007/s11207-010-9520-9, 2010. 2 Didkovsky, L., D. Judge, S. Wieman, T. Woods, and A. Jones, Exteme ultraviolet SpectroPhotometer (ESP): Algorithms and Calibrations, Solar Phys., doi 10.1007/s11207009-9485-8, 2010. Rodgers, E. M., S. M. Bailey, H. P. Warren, T. N. Woods, and F. G. Eparvier, Nitric Oxide Density Enhancements due to Solar Flares, Adv. Space Res., 45, 1, 28-38, doi: 10.1016/j.asr.2009.08.014, 2010. Chamberlin, P. C., T. N. Woods, F. G. Eparvier, and A. R. Jones, Next Generation X-Ray Sensor (XRS) for GOES-R Satellite Series, SPIE Proc., 7438-23, 2009. Eparvier,, F. G., A. R. Jones, P. C. Chamberlin, T. N. Woods, W. E.McClintock, and M. Snow, The Extreme Ultraviolet Sensor (EUVS) for GOES-R, SPIE Proc., 7438-19, 2009. Woods, T. N. and P. C. Chamberlin, Comparison of solar soft X-ray irradiance from broadband photometers to a high spectral resolution rocket observation, Adv. Space Res., 43, 349-354, 2009. Baker, D. N. and T. N. Woods, Small satellites and the new climate observation plans, Space News, 20, 27, 19, 2009. Peterson, W. K., E.N. Stavros, P.G. Richards, P.C. Chamberlin, T.N. Woods, S.M. Bailey, and S.C. Solomon, Photoelectrons as a tool to evaluate spectral variations in solar EUV irradiance over solar cycle time scales, J. Geophys. Res, 114, A10304, doi:10.1029/2009JA014362, 2009. Dudok de Wit, T., M. Kretzchmar, J. Liensten, and T. Woods, Finding the best proxies for the solar UV irradiance, Geophys. Res. Lett., 36, L10107, 2009. Harder, J. W., J. M. Fontenla, P, Pilewskie, E. C. Richard, and T. N. Woods, Trends in Solar Spectral Irradiance Variability in the Visible and Infrared, Geophys. Res. Lett., 36, L07801, doi:10.1029/2008GL036797, 2009. Chamberlin, P. C., T. N. Woods, D. A. Crotser, F. G. Eparvier, R. A. Hock, and D. L. Woodraska, New, Higher Resolution Solar Extreme Ultraviolet (EUV) Irradiance Results for Solar Cycle Minimum Conditions on April 14, 2008, Geophys. Res. Lett., 36, L05102, doi:10.1029/2008GL037145, 2009. Woods, T. N., P. C. Chamberlin, J. W. Harder, R. A. Hock, M. Snow, F. G. Eparvier, J. Fontenla, W. E. McClintock, and E. C. Richard, Solar Irradiance Reference Spectra (SIRS) for the 2008 Whole Heliosphere Interval (WHI), Geophys. Res. Lett., 36, L01101, doi:101029/2008GL036373, 2009. Eastes, R. W., W. McClintock, M. Codrescu, A. Aksnes, D. Anderson, L. Andersson, D. Baker, A. G. Burns, S. A. Budzien, R. E. Daniell, K. Dymond, F. Eparvier, J. Harvey, T. Immel, A. Krywonos, M. Lankton, J. Lumpe, G. Prölss, A. D. Richmond, D. Rusch, O. Siegmund, S. C. Solomon, D. Strickland, and T. Woods, Global-scale Observations of the Limb and Disk (GOLD): New observing capabilities for the ionosphere-thermosphere, Chapman Conference Monograph, in press, 2008. 3 Peterson, W. K., P. C. Chamberlin, T. N. Woods, and P. G. Richards, Temporal and spectral variations of the photoelectron flux and solar irradiance during an X class solar flare, Geophys. Res. Lett., 35, L12102, doi:10.1029/2008GL033746, 2008. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Flare Irradiance Spectral Model (FISM): Flare component algorithms and results, Space Weather J., 6, S05001, doi:10.1029/2007SW000372, 2008. Woods, T. N., P. C. Chamberlin, W. K. Peterson, R. R. Meier, P. G. Richards, D. J. Strickland, G. Lu, L. Qian, S. C. Solomon, B. A. Iijima, A. J. Mannucci, and B. T. Tsurutani, XUV Photometer System (XPS): Improved irradiance algorithm using CHIANTI spectral models, Solar Physics, 249, doi 10.1007/s11207-008-9196-6, 2008. Mlynczak, M. G., F. J. Martin-Torres, C. J. Mertens, B. T. Marshall, E. R. Thompson, J. U. Kozyra, E. E. Remsberg, L. L. Gordley, J. M. Russell, and T. Woods, Solar-terrestrial coupling evidenced by periodic behavior in geomagnetic indexes and the infrared energy budget of the thermosphere, Geophys. Res. Lett., 35, L05805, doi:10.1029/2007GL032620, 2008. Paulson, D. B., W. D. Pesnell, L. D. Deming, M. Snow, T. S. Metcalfe, T. Woods, and B. Hesman, Chromospheric lines as diagnostics of stellar oscillations, in Proc. Of the ESO/Lisbon/Aveiro Conf. held in Aveirgo, Portugal, 11-15 Sept. 2006, eds. N. C. Santos, L. Pasquini, A. C. M. Correia, and M. Romanielleo, Springer, Garching, Germany, pp. 311312, 2008. Woods, T. N., and J. Lean, Anticipating the next decade of Sun-Earth system variations, Eos, 88 (44), 457-458 2007. Mlynczak, M. G., F. J. Martin-Torres, B. T. Marshall, E. R. Thompson, J. Williams, T. Turpin, D. P. Kratz, J. M. Russell, T. Woods, and L. L. Gordley, Evidence for a solar cycle influence on the infrared energy budget and radiative cooling of the thermosphere, J. Geophys. Res., 112, A12302, doi:10.1029/2006JA012194, 2007. Snow, M., G. Holsclaw, W. E. McClintock, and T. Woods, Absolute ultraviolet irradiance of the Moon from SORCE SOLSTICE, SPIE Proceedings, 6677, 66770D, doi: 10.1117/12.732498, 2007. Chamberlin, P. C., R. A. Hock, D. A. Crotser, F. G. Eparvier, M. Furst, M. A. Triplett, D. Woodraska, and T. N. Woods, EUV Variability Experiment (EVE) Multiple EUV Grating Spectrographs (MEGS) radiometric calibrations and results, SPIE Proceedings, 6689, 66890N, doi: 10.1117/12.734116, 2007. Triplett, M. A., D. A. Crotser, T. N. Woods, F. G. Eparvier, P. C. Chamberlin, G. D. Berthiaume, D. M. Weitz, and R. E. Vest, SDO EVE CCD and thin foil filter characterization and selection, SPIE Proceedings, 6689, 66890O, doi: 10.1117/12.732596, 2007. Crotser, D. A., T. N. Woods, F. G. Eparvier, M. A. Triplett, and D. L. Woodraska, SDO-EVE EUV spectrograph optical design and performance, SPIE Proceedings, 6689, 66890M, doi: 10.1117/12.732592, 2007. 4 Didkovsky, L., D. Judge, S. Wieman, T. Woods, P. Chamberlin, A. Jones, F. Eparvier, M. Triplett, D. Woodraska, D. McMullin, M. Furst, and R. Vest, SDO EVE ESP radiometric calibration and results, SPIE Proceedings, 6689, 66890P, doi: 10.1117/12.732868, 2007. Westhoff, R. C., M. K. Rose, J. A. Gregory, G. D.Berthiaume, J. F. Seely, T. N. Woods, and G. Ucker, Radiation-Hard, Charge-Coupled Devices for the Extreme Ultraviolet Variability Experiment, SPIE Proceedings, 6686, 668604, doi: 10.1117/12.734371, 2007. Guo, J., W. Wan, J. M. Forbes, E. Sutton, R. S. Nerem, T. N. Woods, S. Bruinsma, and L. Liu, Effects of solar variability on thermosphere density from CHAMP accelerometer data, J. Geophys. Res., 112, A10308, doi: 10.1029/2007JA012409, 2007. Strickland, D. J., J. L. Lean, R. E. Daniell, Jr., H. K. Knight, W. K. Woo, R. R. Meier, P. R. Straus, T. N. Woods, F. G. Eparvier, D. R. McMullin, A. B. Christensen, D. Morrison, and L. J. Paxton, Constraining and validating the Oct/Nov 2003 X-Class EUV flare Enhancements with observations of FUV dayglow and E-region electron densities, J. Geophys. Res., 112, A06313, doi: 10.1029/2006JA012074, 2007. Woods, T. N., Recent advances in observations and modeling of solar ultraviolet and x-ray spectral irradiance, Adv. Space Res., 42, 895-902, doi:10.1016/j.asr.2007.09.026, 2008. Chamberlin, P., T. N. Woods, and F. G. Eparvier, New flare model using recent measurements of the solar ultraviolet irradiance, Adv. Space Res., 42, doi:10.1016/j.asr.2007.09.009, 2008. Peterson, W. K., T. N. Woods, P. C. Chamberlin, and P. Richards, Photoelectron flux variations observed from the FAST satellite, Adv. Space Res, 42, 947-956, doi:10.1016/j.asr.2007.08.038, 2008. Woodraska, D. L., T. N. Woods, and F. G. Eparvier, Comparisons of satellite drag with Solar EUV Experiment (SEE) measurements, J. Spacecraft and Rockets, 44, 1204-1209, doi: 10.2514/1.28639, 2007. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Flare Irradiance Spectral Model (FISM): Daily component algorithms and results, Space Weather J., 5, S07005, doi:10.1029/2007SW000316, 2007. Woods, T. N., F. G. Eparvier, A. Jones, D. Judge, J. Lean, J. Mariska, D. McMullin, H. Warren, G. Berthiaume, and S. Bailey, The EUV Variability Experiment (EVE) on the Solar Dynamics Observatory (SDO): Science plan and instrument overview, Proceedings SOHO17: 10 Years of SOHO and Beyond, Giardini Naxos, Sicily, Italy, edited by H. Lacoste and L. Ouwehand, ESA SP-617, p. 165, 2006. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Flare Irradiance Spectral Model (FISM) use for space weather applications, International Living With a Star (ILWS) Workshop Proceedings, Goa, India, edited by N. Gopalswamy and A. Bhattacharyya, ISBN 81-8709940-2, p. 153, 2006. Woods, T. N., J. L. Lean, and F. G. Eparvier, The EUV Variability Experiment (EVE): Science plans and instrument overview, International Living With a Star (ILWS) Proceedings, Goa, India, edited by N. Gopalswamy and A. Bhattacharyya, ISBN 81-87099-40-2, p. 145, 2006. 5 Sutton, E. K., J. M. Forbes, R. S. Nerem, and T. N. Woods, Neutral density response to the solar flares on October and November 2003, Geophys. Res. Lett., 33, L22101, doi: 10.1029/2006GL027737, 2006. Woods, T. N., G. Kopp, and P. C. Chamberlin, Contributions of the solar ultraviolet irradiance to the total solar irradiance during large flares, J. Geophys. Res., 111, A10S14, doi: 10.1029/2005JA011507, 2006. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Rocket Extreme ultraviolet Grating spectrometer (EGS): Calibrations and results of the solar irradiance on February 8, 2002, Opt. Eng., 45 (6), 063605, 2006. Rodgers, E. M., S. M. Bailey, H. P. Warren, T. N. Woods, and F. G. Eparvier, Soft X-ray irradiances during a solar flare observed by TIMED-SEE, J. Geophys. Res., 111, A10S13, doi: 10.1029/2005JA011505, 2006. Wang, X., R. Eastes, S. Weichecki Vergara, S. Bailey, C. Valladares, and T. Woods, On the short term relationship between solar soft X-ray flux and equatorial Total Electron Content (TEC), J. Geophys. Res., 111, A10S15, doi: 10.1029/2005JA011488, 2006. Harder, J., J. Fontenla, O. White, G. Rottman, and T. Woods, Solar spectral irradiance variability comparisons of the SORCE SIM instrument with monitors of solar activity and spectral synthesis, Memorie della Societa Astronomica Italiana, in press, 2006. Woods, T. N., G. Rottman, and R. Vest, XUV Photometer System (XPS): Overview and calibrations, Solar Physics, 230, 345-374, 2005. Woods, T. N., and G. Rottman, XUV Photometer System (XPS): Solar variations during the SORCE mission, Solar Physics, 230, 375-387, 2005. McClintock, W. E., G. J. Rottman, and T. N. Woods, Solar Stellar Irradiance Comparison Experiment II (SOLSTICE II): Instrument concept and design, Solar Physics, 230, 225-258, 2005. McClintock, W. E., M. Snow, and T. N. Woods, Solar Stellar Irradiance Comparison Experiment II (SOLSTICE II): Pre-launch and on-orbit calibrations, Solar Physics, 230, 259-294, 2005. Sparn, T. P., G. Rottman, T. N. Woods, B. D. Boyle, R. Kohnert, S. Ryan, and R. Davis, The SORCE spacecraft and operations, Solar Physics, 203, 71-89, 2005. Snow, M., W. E. McClintock, G. J. Rottman, and T. N. Woods, Solar Stellar Irradiance Comparison Experiment II (SOLSTICE II): Examination of solar-stellar comparison technique, Solar Physics, 230, 295-324, 2005. Snow, M., W. E. McClintock, T. N. Woods, O. R. White, J. W. Harder, and G. J. Rottman, The Magnesium II index from SORCE, Solar Physics, 230, 325-344, 2005. 6 Harder, J., G. Lawrence, J. Fontenla, G. Rottman, and T. Woods, The Spectral Irradiance Monitor (SIM): Scientific requirements, instrument design, and operation modes, Solar Phys., 230, 141-167, 2005. Harder, J., J. Fontenla, G. Lawrence, T. Woods, and G. Rottman, The Spectral Irradiance Monitor (SIM): Measurement equations and calibration, Solar Phys., 230, 169-203, 2005. Rottman, G., J. Harder, J. Fontenla, T. Woods, O. R. White, and G. M. Lawrence, The Spectral Irradiance Monitor (SIM): Early observations, Solar Physics, 230, 205-224, 2005. Tsurutani, B. T., D. L. Judge, F. L. Guarnieri, P. Gangopadhyay, A. R. Jones, J. Nuttall, G. A. Zambon, L. Didkovsky, A. J. Mannucci, B. Iijima, R. R. Meier, T. J. Immel, T. N. Woods, S. Prasad, J. Huba, S. C. Solomon, P. Straus, and R. Viereck, The October 28, 2003 extreme EUV solar flare and resultant extreme ionspheric effects: Comparison to other Halloween events and the Bastille Day event, Geophys. Res. Lett., 32, L03S09, doi: 10.1029/2004GL021475, 2005. Richards, P. G., T. N. Woods, and W. K. Peterson, HEUVAC: a new high resolution solar EUV proxy model, Adv. Space Res., 37, doi: 10.1016/j.asr.2005.06.031, 315-322, 2006. Woods, T. N. and F. G. Eparvier, Solar ultraviolet variability during the TIMED mission, Adv. Space Res., 37, doi: 10.1016/j.asr.2004.10.006, 219-224, 2006. Schmidtke, G., F. G. Eparvier, S. Solomon, W. K. Tobiska, and T. N. Woods, Introduction to the TIGER (Thermospheric/Ionospheric Geospheric Research) Program, Adv. Space Res., 37, doi: 10.1016/j.asr.2005.02.088, 194-198, 2006. Rottman, G., T. Woods, and W. McClintock, SORCE Solar UV Irradiance Results, Adv. Space Res., 37, 201-208, doi: 10.1016/j.asr.2005.02.072, 201-208, 2006. Bailey, S., T. Woods, E. Rodgers, S. Solomon, and F. Eparvier, Observations of the solar soft X-ray irradiance by the Student Nitric Oxide Explorer (SNOE), Adv. Space Res., 37, doi: 10.1016/j.asr.2005.07.039, 209-218, 2006. Woods, T. N., F. G. Eparvier, S. M. Bailey, P. C. Chamberlin, J. Lean, G. J. Rottman, S. C. Solomon, W. K. Tobiska, and D. L. Woodraska, The Solar EUV Experiment (SEE): Mission overview and first results, J. Geophys. Res., 110, A01312, doi: 10.1029/2004JA010765, 2005. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Rocket Extreme ultraviolet Grating Spectrograph (EGS): calibrations and results of the solar irradiance on February 8, 2002, SPIE Proceedings, 5538, 31-42, 2004. Eparvier, F. G., T. N. Woods, D. A. Crotser, G. J. Ucker, R. A. Kohnert, A. Jones, D. L. Judge, D. McMullin, and G. D. Berthiaume, The EUV Variability Experiment (EVE) aboard the NASA Solar Dynamics Observatory (SDO), SPIE Proceedings, 5660, 48-55, 2004. Woodraska, D. L., T. N. Woods, and F. G. Eparvier, In-flight calibration and performance of the Solar Extreme ultraviolet Experiment (SEE) aboard the TIMED satellite, SPIE Proceedings, 5660, 36-47, 2004. 7 Crotser, D. A., T. N. Woods, F. G. Eparvier, G. Ucker, R. A. Kohnert, G. D. Berthiaume, and D. M. Weitz, SDO-EVE Multiple EUV Grating Spectrograph (MEGS) optical design, SPIE Proceedings, 5563, 182-194, 2004. Woods, T. N., F. G. Eparvier, J. Fontenla, J. Harder, G. Kopp, W. E. McClintock, G. Rottman, B. Smiley, and M. Snow, Solar irradiance variability during the October 2003 solar storm period, Geophys. Res. Lett., 31, L10802, doi:10.1029/2004GL019571, 2004. Eastes, R., S. Bailey, B. Bowman, F. Marcos, J. Wise, and T. Woods, The correspondence between thermospheric neutral densities and broadband measurements of the total solar soft X-ray flux, Geophys. Res. Lett., 31, L19804, doi: 10.1029/2004GL020801, 2004. Rottman, G. and T. Woods, SORCE solar UV irradiance results, Adv. Space Res., in press, 2004. Fontenla, J. M., J. Harder, G. Rottman, T. Woods, G. M. Lawrence, and S. Davis, The signature of solar activity in the infrared spectral irradiance, Ap. J. Lett., 605, L85-L88, 2004. Viereck, R. A., L. E. Floyd, P. C. Crane, T. N. Woods, B. G. Knapp, G. Rottman, M. Weber, L. C. Puga, G. de Toma, and M. T. DeLand, A composite Mg II index from 1978 to 2003, Space Weather, 2, S10005, doi: 10.1029/2004SW000084, 2004. Thuillier, G., L. Floyd, T. N. Woods, R. Cebula, E. Hilsenrath, M. Hersé, and D. Labs, Solar irradiance reference spectra for two solar active levels, Adv. Space Res., 34, 256-261, 2004. Woods, T., L. W. Acton, S. Bailey, F. Eparvier, H. Garcia, D. Judge, J. Lean, D. McMullin, G. Schmidtke, S. C. Solomon, W. K. Tobiska, and H. P. Warren, Solar extreme ultraviolet and x-ray irradiance variations, in Solar Variability and Its Effect on Climate, eds. J. Pap, C. Fröhlich, H. Hudson, J. Kuhn, J. McCormack, G. North, W. Sprig, and S. T. Wu, Geophys. Monograph Series, 141, Wash. DC, pp. 127-140, 2004. Thuillier, G., T. N. Woods, L. E. Floyd, R. Cebula, M. Hersé, and D. Labs, Reference solar spectra during solar cycle 22, in Solar Variability and Its Effect on Climate, eds. J. Pap, C. Fröhlich, H. Hudson, J. Kuhn, J. McCormack, G. North, W. Sprig, and S. T. Wu, Geophys. Monograph Series, 141, Wash. DC, pp. 171-194, 2004. Mena-Werth, J., W. Borucki, and T. Woods, Contributions of ultraviolet irradiance variations to changes in the Sun's total irradiance and estimation of the visual irradiance variations, Science, submitted, 2004. Eparvier, F.G., and T.N. Woods, Solar EUV spectral irradiance: measurements and variability, in Proceedings of the International Solar Cycle Studies Symposium on ‘Solar Variability as an Input to the Earth’s Environment’, Tantranska Lomnica, Slovakia, ESA SP-535, pp. 209216, September, 2003. Eparvier, F. G., T. N. Woods, D.L. Woodraska, S.M. Bailey, and S.C. Solomon, Spectral irradiance measurements from the TIMED Solar EUV Experiment, Advances in Space Research, in press, 2004. 8 Woods, T. N., S. M. Bailey, W. K. Peterson, H. P. Warren, S. C. Solomon, F. G. Eparvier, H. Garcia, C. W. Carlson, and J. P. McFadden, Solar extreme ultraviolet variability of the Xclass flare on April 21, 2002 and the terrestrial photoelectron response, Space Weather, 1 (1), 1001, doi:10.1029/2003SW000010, 2003. Povich, M. S., J. C. Raymond, G. H. Jones, M. Uzzo, Y.-K. Ko, P. D. Feldman, P. L. Smith, B. G. Marsden, and T. N. Woods, Doubly ionized carbon in the plasma tail of comet KudoFujikawa, Science, 302, 1949-1952, 2003. Lawrence, G. M., G. Kopp, G. Rottman, J. Harder, T. Woods, and H. Loui, Calibration of the Total Irradiance Monitor (TIM), Metrologia, in press, 2003. Drake, V. A., W. E. McClintock, T. N. Woods, and G. J. Rottman, Flight photomulitplier tube performance for the Earth Observing System's SOLSTICE II instruments, SPIE Proc., 4796, 107-114, 2003. Woods, T. N., F. G. Eparvier, S. C. Solomon, D. L. Woodraska, and S. M. Bailey, Early results from the TIMED Solar EUV Experiment, Proceedings of 4th TIGER Symposium, http://www.ipm.fraunhofer.de/english/meetings/workshops/tiger/, 2002. Woods, T. and G. Rottman, Future solar irradiance observations from the NASA TIMED and SORCE satellites, in The Radiometric Calibration of SOHO, eds.M. C. E. Huber, A. Pauluhn, and R. von Steiger, Internat. Space Sci. Instit., Bern, Switz., p. 347-354, 2002. McMullin, D., T. Woods, I. E. Dammasch, D. Judge, P. Lemaire, J. S. Newmark, W. Thompson, W. K. Tobiska, and K. Wilhelm, Irradiance working group report for the SOHO intercalibration workshop, in The Radiometric Calibration of SOHO, eds.M. C. E. Huber, A. Pauluhn, and R. von Steiger, Internat. Space Sci. Instit., Bern, Switz., p.135-144, 2002. Woods, T. N. and G. J. Rottman, Solar ultraviolet variability over time periods of aeronomic interest, in Comparative Aeronomy in the Solar System, eds. M. Mendillo, A. Nagy, and J. Hunter Waite, Jr., Geophys. Monograph Series, 130, Wash. DC, pp. 221-234, 2002. Worden, J. R., T. N. Woods, and K. W. Bowman, Far-ultraviolet intensities and center-to-limb variations of active regions and quiet sun using UARS SOLSTICE irradiance measurements and ground-based spectroheliograms, Ap. J., 560, 1020-1034, 2001. Rottman, G., T. Woods, M. Snow, and G. DeToma, The solar cycle variation in ultraviolet irradiance, Adv. Space Res., 27, 1927-1932, 2001. Eparvier, F. G., T. N. Woods, G. Ucker, and D. L. Woodraska, TIMED Solar EUV Experiment: pre-flight calibration results for the EUV Grating Spectrograph, SPIE Proceedings, 4498, 91-100, 2001. Solomon, S. C., S. M. Bailey, and T. N. Woods, Effect of solar soft X-rays on the lower ionosphere, Geophys. Res. Lett., 28, 2149-2152, 2001. Bailey, S. M., T. N. Woods, C. A. Barth, S. C. Solomon, L. R. Canfield, and R. Korde, Correction to "Measurements of the solar soft X-ray irradiance from the Student Nitric Oxide Explorer: first analysis and underflight calibrations", J. Geophys. Res., 15791, 2001. 9 Bailey, S. M., T. N. Woods, C. A. Barth, S. C. Solomon, L. R. Canfield, and R. Korde, Measurements of the solar soft X-ray irradiance from the Student Nitric Oxide Explorer: first analysis and underflight calibrations, J. Geophys. Res., 105, 27179-27193, 2000. Woods, T., G. Rottman, J. Harder, G. Lawrence, B. McClintock, G. Kopp, and C. Pankratz, Overview of the EOS SORCE mission, SPIE Proceedings, 4135, 192-203, 2000. Harder, J. W., G. M. Lawrence, G. J. Rottman, and T. N. Woods, Spectral Irradiance Monitor (SIM) for the SORCE mission, SPIE Proceedings, 4135, 204-214, 2000. Lawrence, G. M., G. J. Rottman, G. Kopp, J. W. Harder, W. E. McClintock, and T. N. Woods, Total Irradiance Monitor (TIM) for the EOS SORCE mission, SPIE Proceedings, 4135, 215-224, 2000. McClintock, W. E., G. J. Rottman, and T. N. Woods, SOLar STellar Irradiance Comparison Experiment II (SOLSTICE II) for the NASA Earth Observing Systems Solar Radiation and Climate Experiment (SORCE) mission, SPIE Proceedings, 4135, 225-234, 2000. Drake, V. A., W. E. McClintock, R. A. Kohnert, T. N. Woods, and G. J. Rottman, Photomultiplier tube detector performance and stability for the Earth Observing System’s SOLSTICE II instrument, SPIE Proceedings, 4139, 402-411, 2000. Woods, T. N., W. K. Tobiska, G. J. Rottman, and J. R. Worden, Improved solar Lyman irradiance modeling from 1947 through 1999 based on UARS observations, J. Geophys. Res., 105, 27,195-27,215, 2000. Tobiska, W. K., T. Woods, F. Eparvier, R. Viereck, L. Floyd, D. Bouwer, G. Rottman, and O. R. White, The SOLAR2000 empirical solar irradiance model and forecast tool, J. Atmos. Solar-Terr. Phys., 62, 1233-1250, 2000. Rottman, G. and T. Woods, Solar UV and EUV irradiance: measurements and results, International Union of Geodesy and Geophysics 1999 Proceedings, 2000. Harder, J., G. Lawrence, G. Rottman, and T. Woods, The solar Spectral Irradiance Monitor: SIM, Metrologia, 37, 415-418, 2000. Lawrence, G. M., G. Rottman, J. Harder, and T. Woods, The solar Total Irradiance Monitor: TIM, Metrologia, 37, 407-410, 2000. Woods, T. N., G. J. Rottman, and S. C. Solomon, Solar extreme ultraviolet irradiance measurements from sounding rockets during solar cycle 22, Physics and Chemistry of the Earth, Part C: Solar-Terrestrial and Planetary Science, 25, 393-396, 2000. Woods, T. N., S. Bailey, F. Eparvier, G. Lawrence, J. Lean, B. McClintock, R. Roble, G. J. Rottman, S. C. Solomon, W. K. Tobiska , and O. R. White, TIMED Solar EUV Experiment, Physics and Chemistry of the Earth, Part C: Solar-Terrestrial and Planetary Science, 25, 397-399, 2000. 10 Brekke, P., W. T. Thompson, T. N. Woods, and F. G. Eparvier, The extreme-ultraviolet solar irradiance spectrum observed with the Coronal Diagnostic Spectrometer (CDS) on SOHO, Astrophys. J., 536, 959-970, 2000. Woods, T., E. Rodgers, S. Bailey, F. Eparvier, and G. Ucker, TIMED Solar EUV Experiment: pre-flight calibration results for the XUV Photometer System, SPIE Proceedings, 3756, 255-264, 1999. Woods, T. N., P. D. Feldman, and G. J. Rottman, Ultraviolet observations of comet Hale-Bopp (C/1995 O1) by the UARS SOLSTICE, Icarus, 144, 182, 2000. Wilhelm, K., T. N. Woods, U. Schühle, W. Curdt, P. Lemaire, and G. J. Rottman, The solar ultraviolet spectrum from 1200 Å to 1560 Å: a radiometric comparison between SUMER/SOHO and SOLSTICE/UARS, Astron. Astrophys., 352, 321-326, 1999. Bailey, S. M., T. N. Woods, C. A. Barth, and S. C. Solomon, Measurements of the solar soft x-ray irradiance from the Student Nitric Oxide Explorer, Geophys. Res. Letters, 26, 1255, 1999. Bailey, S. M., T. N. Woods, L. R. Canfield, R. Korde, C. A. Barth, S. C. Solomon, and G. J. Rottman, Sounding rocket measurements of the solar soft x-ray irradiance, Solar Physics, 186, 243-257, 1999. Worden, J., T. N. Woods, W. M. Neupert, and J.P. Delaboundiniere, Evolution of chromospheric structures: How chromospheric structures contribute to the solar He II 30.4 nanometer irradiance and variability, Ap. J., 511, 965-975, 1999. Woods, T., G. Rottman, C. Russell, and B. Knapp, In-flight degradation results for the UARS SOLSTICE instrument, Metrologia , 35, 619-623, 1999. Rottman, G., G. Mount, G. Lawrence, T. Woods, J. Harder, and S. Tournois, Solar spectral irradiance measurements: visible to the near infrared, Metrologia , 35, 707-712, 1999. Woods, T. N. and G. J. Rottman, In-flight degradation results for the UARS SOLSTICE instrument, SPIE Proceedings, 3427, 457-468, 1998. Woods, T. N., F. G. Eparvier, S. M. Bailey, S. C. Solomon, G. J. Rottman, G. M. Lawrence, R. G. Roble, O. R. White, J. Lean, and W. K. Tobiska, TIMED Solar EUV Experiment, SPIE Proceedings, 3442, 180-191, 1998. Lawrence, G. M., J. W. Harder, G. J. Rottman, and T. N. Woods, Stability considerations for a solar spectral intensity monitor (SIM), SPIE Proceedings, 3427, 477-485, 1998. Drake, V. A., F. G. Eparvier, W. E. McClintock, and T. N. Woods, Microchannel plate performance and life-test results for the TIMED Solar EUV Experiment, SPIE Proceedings, 3445, 603-614, 1998. White, O. R., G. de Toma, G. J. Rottman, T. N. Woods, and B. G. Knapp, Effect of spectral resolution on the Mg II index as a measure of solar variability, Solar Physics, 177, 89-103, 1998. 11 Woods, T. N., G. J. Rottman, S. M. Bailey, S. C. Solomon, and J. Worden, Solar extreme ultraviolet irradiance measurements during solar cycle 22, Solar Physics, 177, 133-146, 1998. Peeters, P., P. C. Simon, O. R. White, G.de Toma, G. J. Rottman, T. N. Woods, and B. G. Knapp, Mg II solar index from high resolution GOME data, Proceedings of ERS-2 Science Workshop, 1997. Lean, J. L., G. J. Rottman, H. L. Kyle, T. N. Woods, J. R. Hickey, and L. C. Puga, Detection and parameterization of variations in solar mid- and near-ultraviolet radiation (200-400 nm), J. Geophys. Res., 102, D25, 29939-29956, 1997. De Toma, G., J. London, L. Chen, G. J. Rottman, T. N. Woods, and L. Froidevaux, Solar cycle changes in ultraviolet irradiance and corresponding changes in mesospheric (45 to 65 km) ozone and temperature, Proceedings of XVIII Quadrennial Ozone Symposium, L'Aquila, Italy, Sept. 12-21, 1996. De Toma, G., J. London, G. J. Rottman, and T. N. Woods, Night-time ozone measurements using UARS SOLSTICE stellar occultations, Proceedings of XVIII Quadrennial Ozone Symposium, L'Aquila, Italy, Sept. 12-21, 1996. Worden, J. R., O. R. White, and T. N. Woods, Evolution of chromospheric structures derived from Ca II K spectroheliograms: implications for solar ultraviolet irradiance variability, Ap. J., 496, 998-1014, 1998. Worden, J. R., O. R. White, and T. N. Woods, Solar variability indices derived from Ca II K spectroheliograms, Solar Physics, 177, 255-264, 1998. Rottman, G. J., T. N. Woods, and J. London, SOLSTICE measurement of solar ultraviolet irradiance, 120 to 420 nm, International Radiation Symposium 1996: Current Problems in Atmospheric Radiation, Deepak Publ., Fairbanks, 1996. Woods, T. N. and G. J. Rottman, Solar Lyman- irradiance measurements during two solar cycles, J. Geophys. Res., 102, 8769-8779, 1997. De Toma, G., O. R. White, B. G. Knapp, G. J. Rottman, and T. N. Woods, Solar Mg II Core-toWing Index: Comparison of SBUV2 and SOLSTICE Time Series, J. Geophys. Res., 102, 2597, 1997. Bailey, S. M., C. A. Barth, R. A. Kohnert, A. W. Merkel, E. M. Rodgers, S. C. Solomon, S. D. Straight, J. E. Vian, and T. N. Woods, Science Instrumentation for the Student Nitric Oxide Explorer, SPIE Proceedings, 2830, 264-273, 1996. Solomon, S. C., C. A. Barth, P. Axelrad, S. M. Bailey, R. Brown, R. L. Davis, T. E. Holden, R. A. Kohnert, F. W. Lacy, M. T. McGrath, D. C. O'Connor, J. P. Perich, H. L. Reed, M. A. Salada, J. Simpson, J. M. Srinivasan, G. A. Stafford, S. R. Steg, G. A. Tate, J. C. Westfall, N. R. White, P. R. Withnell, and T. N. Woods, The Student Nitric Oxide Explorer, SPIE Proceedings, 2810, 121-132, 1996. 12 Peeters, P., P. C. Simon, G. Rottman, and T. N. Woods, UARS SOLSTICE Data as a Calibration and Validation of GOME, in Proceedings of theGOME Geophysical Validation Campaign, ESA WPP-108, Frascati, Italy, 1996. Worden, J., T. N. Woods, G. J. Rottman, G. Schmidtke, H. Tai, H. G. Doll, and S. C. Solomon, Calibration of the San Marco Airglow-Solar Spectrometer Instrument in the extreme ultraviolet, Optical Eng., 35, 554-563, 1996. Woods, T. N., D. K. Prinz, J. London, G. J. Rottman, P. C. Crane, R. P. Cebula, E. Hilsenrath, G. E. Brueckner, M. D. Andrews, O. R. White, M. E. VanHoosier, L. E. Floyd, L. C. Herring, B. G. Knapp, C. K. Pankratz, and P. A. Reiser, Validation of the UARS solar ultraviolet irradiances: Comparison with the ATLAS 1 and 2 measurements, J. Geophys. Res., 101, 9541-9569, 1996. Judge, P. G., T. N. Woods, P. Brekke, and G. J. Rottman, On the failure of standard emission measure analysis for solar extreme-ultraviolet and ultraviolet irradiance spectra, Ap. J. Letters, 455, L85-L88, 1995. Lean, J. L., J. T. Mariska, K. T. Strong, H. S. Hudson, L. W. Acton, G. J. Rottman, T. N. Woods, and R. C. Willson, Correlated brightness variations in solar radiative output from the photosphere to the corona, Geophys. Res. Let., 22, 655-658, 1995. Woods, T. N., G. J. Rottman, O. R. White, J. Fontenla, and E. H. Avrett, Solar Ly Ap. J., 442, 898-906, 1995. line profile, Rottman, G. J. and T. N. Woods, SOLSTICE technique for measuring long-term solar variability", SPIE Proceedings, 2583, 347-355, 1995. Woods, T. N., and G. J. Rottman, Summary of the UARS SOLSTICE Calibrations and Validations, in Proceedings of the International Workshop on VUV and X-Ray Radiometry for Space-Based Instruments, pp. 59-62, Physikalisch-Technische Bundesanstalt, Berlin, Germany, 1994. Woods, T. N., G. J. Rottman, R. G. Roble, O. R. White, S. C. Solomon, G. M. Lawrence, J. Lean, and W. K. Tobiska, TIMED Solar EUV Experiment, SPIE Proceedings, 2266, 467479, 1994. Rottman, G. J. and T. N. Woods, UARS Solar Stellar Irradiance Comparison Experiment (SOLSTICE), SPIE Proceedings, 2266, 317-329, 1994. Canfield, L. R., R. Vest, T. N. Woods, and R. S. Korde, Silicon photodiodes with integrated thin film filters for selective bandpasses in the extreme ultraviolet, SPIE Proceedings, 2282, 31, 1994. Rottman, G. J., T. N. Woods, O. R. White, and J. London, Irradiance observations from the UARS SOLSTICE experiment, The Sun as a Variable Star, (ed: J. M. Pap, C. Fröhlich, H. S. Hudson, and S. Solanki), Cambridge Univ. Press, New York, pp. 73-80, 1994. Woods, T. N., R. T. Wrigley, G. J. Rottman and R. E. Haring, Scattered light properties of diffraction gratings, Applied Optics, 33, 4273-4285, 1994. 13 Woods, T. N., G. J. Rottman, S. Bailey, and S. C. Solomon, Vacuum-ultraviolet instrumentation for solar irradiance and thermospheric airglow, Optical Eng., 33, 438-444, 1994. Smith, P. L., J. L. Lean, A. B. Christensen, K. L. Harvey, D. L. Judge, R. L. Moore, M. R. Torr and T. N. Woods, SOURCE: the Solar Ultraviolet Radiation and Correlative Emissions mission, Metrologia, 30, 275-277, 1993. White, O. R., G. J. Rottman, T. N. Woods, B. G. Knapp, S. L. Keil, W. C. Livingston, K. F. Tapping, R. F. Donnelly, L. C. Puga, Change in the UV output of the Sun in 1992 and its effect in the thermosphere, J. Geophys. Res., 99, 369-372, 1994. Tobiska, W. K., G. Schmidtke, H. Doll, T. N. Woods, J. Worden, and S. Chakrabarti, Comparisons of San Marco ASSI solar EUV and EUV91 model, Adv. Space Res., 73-84, 1994. Hoegy, W. R., W. D. Pesnell, T. N. Woods, and G. J. Rottman, How active was solar cycle 22?, Geophys. Res. Letters, 20, 1335-1338, 1993. London, J., G. J. Rottman, T. N. Woods, and F. Wu, Time variations of solar UV irradiance as measured by the SOLSTICE (UARS) instrument, Geophys. Res. Letters, 20, 1315-1318, 1993. Rottman, G. J. and T. N. Woods, The SOLSTICE investigation on UARS, Amer. Institute of Aeronautics and Astronautics Proceedings, 93-0127, 1993. London, J., G. J. Rottman, and T. N. Woods, Variations of solar ultraviolet irradiance derived form SOLSTICE (UARS) observations, International Radiation Symposium, Aug 1992. Schmidtke, G., T. N. Woods, J. Worden, H. Doll, S. C. Solomon, and G. J. Rottman, Solar EUV irradiance from the San Marco ASSI: a reference spectrum, Geophys. Res. Letters, 19, 2175-2178, 1992. Woods, T. N., S. Bailey, S. C. Solomon, and G. J. Rottman, Far ultraviolet and extreme ultraviolet rocket instrumentation for measuring the solar spectral irradiance and terrestrial airglow, SPIE Proceedings , 1745, 140-148, 1992. Rottman, G. J. and T. N. Woods, SOLSTICE II, the SOLar STellar Irradiance Comparison Experiment on EOS, Guidance and Control: Advances in the Astronautical Sciences, 78, ed. Robert D. Culp, 677-691, 1992. Rottman, G. J., T. N. Woods, and T. P. Sparn, SOLar STellar Irradiance Comparison Experiment I : 1. instrument design and operation, J. Geophys. Res., 98, 10,667-10,677, 1993. Woods, T. N., G. J. Ucker, and G. J. Rottman, SOLar STellar Irradiance Comparison Experiment I : 2. instrument calibration, J. Geophys. Res., 98, 10,679-10,694, 1993. Woods, T. , Working group 4 and 5 report for 1991 SOLERS 22 workshop, Proc. of SOLERS 22 Workshop, D. Donnelly (editor), 460-467, 1992. Woods, T. N. and G. J. Rottman, Solar EUV irradiance derived from a sounding rocket experiment on 10 November 1988, J. Geophys. Res. 95, 6227-6236, 1990. 14 Dymond, K. F., Feldman, P. D., and Woods, T. N., Observations of a Greenstein effect in the OI 1302 emission of comet Halley, Astrophy. J. 338, 1115, 1989. Rottman, G. J. and Woods, T. N., In-flight calibration of solar irradiance measurements by direct comparison with stellar observations, SPIE Proceedings 924, 136-143, 1988. Woods, T. N., Feldman, P. D., and Dymond, K. F., The atomic carbon distribution in the coma of comet p/Halley, Astron. & Astrophy. 187, 380-384, 1987. Feldman, P. D., Festou, M. C., A'Hearn, M. F., Arpigny, C., Butterworth, P. S., Cosmovici, C. B., Danks, Gilmozzi, R., A. C., Jackson, W. M., McFadden, L. A., Patriarchi, P., Schleicher, D. G., Tozzi, G. P., Wallis, M. K., Weaver, H. A., and Woods, T. N., IUE observations of comet p/Halley: evolution of the ultraviolet spectrum between September 1985 and July 1986, Astron. & Astrophy. 187, 325-328, 1987. Woods, T. N., Feldman, P. D., and Dymond, K. F., The atomic carbon distribution in the coma of comet Halley, 20th ESLAB Symposium on Exploration of Halley's Comet, ESA SP-250, 431-435, 1986. Carruthers, G. R., McCoy, R. P., Woods, T. N., Feldman, P. D., and Opal, C. B., Rocket ultraviolet observations of comet Halley, 33rd Annual Meeting Aerospace: Century XXI, AAS-86-275, 1155-1167, 1986. Woods, T. N., Feldman, P. D., Dymond, K. F., and Sahnow, D. J., Rocket ultraviolet spectroscopy of comet Halley: abundance of carbon monoxide and carbon, Nature 324, 436-438, 1986. Feldman, P. D., A'Hearn, M. F., Festou, M. C., McFadden, L. A., Weaver, H. A., and Woods, T. N., Is CO2 responsible for the outbursts of comet Halley?, Nature 324, 433-436, 1986. Feldman, P. D., Festou, M. C., A'Hearn, M. F., Arpigny, C., Butterworth, P. S., Cosmovici, C. B., Danks, A. C., Jackson, W. M., McFadden, L. A., Gilmozzi, R., Patriarchi, P., Tozzi, G. P., Wallis, M. K., Weaver, H. A., and Woods, T. N., IUE observations of comet Halley: evolution of its UV spectrum between September 1985 and June 1986, New Insights in Astrp., 8 Yrs of UV Astr. with IUE, 1986. Woods, T. N., Feldman, P. D., Dymond, K. F., and Sahnow, D. J., Rocket observation of the ultraviolet spectrum of comet Halley, Adv. Space Res. 5 (12), 289-292, 1986. Woods, T. N., Feldman, P. D., and Bruner, G. H., The absolute flux of six hot stars in the ultraviolet (912-1600 Å), Astrophy. J. 292, 676-686, 1985. Woods, T. N., The Absolute Fluxes of Six Hot Stars in the Ultraviolet (912-1600 Angstroms), Johns Hopkins University, dissertation, 1985. 15 CONFERENCE OR PUBLIC TALKS : Thomas N. Woods Harder, J. W., R. F. Cahalan, and T. N. Woods, Summary of a Comparative Study on the Trends in Solar Spectral Irradiance in the Ultraviolet, Visible, and Infrared Regions, International Radiation Symposium, Berlin, Aug. 2012. Nikutowski, B., Ch. Jacobi, R. Brunner, F. Eparvier, Ch. Erhardt, G. Schmidtke, G. Thuillier, and T. Woods, Results from the SolACES instrument onboard the International Space Station (ISS) – Part 1, COSPAR Meeting, invited, July 2012. Nikutowski, B., Ch. Jacobi, R. Brunner, F. Eparvier, Ch. Erhardt, G. Schmidtke, G. Thuillier, and T. Woods, Results from the SolACES instrument onboard the International Space Station (ISS) – Part 2, COSPAR Meeting, July 2012. Nikutowski, B., Ch. Jacobi, R. Brunner, F. Eparvier, Ch. Erhardt, G. Schmidtke, G. Thuillier, and T. Woods, Results from the SolACES instrument onboard the International Space Station (ISS) – Part 3, COSPAR Meeting, July 2012. Woods, T. N., Solar Irradiance Variability: Comparisons of Observations over Solar Cycles 2124, EGU Meeting, Session CL2.8/AS1.13/ST6.5, Vienna, invited, April 2012 Pilewskie, P., and T. Woods, Solar Spectral Irradiance and Climate, Session CL2.7, EGU Meeting, Vienna, April 2012 Cahalan, R., P. Pilewskie, and T. Woods, Free Flyer Total and Spectral Solar Irradiance Sensor (TSIS) and Climate Services Mission, EGU Meeting, Session CL2.7, Vienna, April 2012 Woods, T., The Effects of Solar Variability on the Earth’s Atmosphere, AAAS Meeting, Vancouver, invited, Feb. 2012. Didkovsky, L., D. Judge, A. Kosovichev, S. Wieman, and T. Woods, Variability of five-minute solar oscillations in the corona as observed by the Extreme Ultraviolet Spectrophotometer (ESP) Onboard the Solar Dynamics Observatory Extreme Ultraviolet Variability Experiment (SDO/EVE), SDO Helioseismology Workshop, Oct. 2011. Hudson, H. S., L. Fletcher, A. MacKinnon, and T. Woods, EVE non-detection of Dopplershifted He II 304 Å, Hinode-5 Science Conference: Exploring the Active Sun, Oct. 2011. Woods, T. N. and G. J. Rottman, Understanding Solar Cycle Ultraviolet Variations with SME and Other Irradiance Measurements, AGU Fall Meeting, A44, 2011. Peterson, W. K., T. N. Woods, J. M. Fontenla, P. G. Richards, K. Tobiska, S. C. Solomon, and H. P. Warren, Photoelectrons as a Tool to Evaluate Solar EUV and XUV Model Irradiance Spectra, AGU Fall Meeting, SH18, 2011. Woods, T. N., Solar Irradiance Variations During Solar Cycle 24, SORCE Science Meeting, Sept. 2011. 16 Hock, R. A., T. N. Woods, F. G. Eparvier, A. R. Jones, and L. Didkovsky, First Year of Science Results from Solar Dynamics Observatory (SDO) Extreme ultraviolet Variability Experiment (EVE), AAS Solar Physics Division Meeting, June 2011. Hudson, H., T. Woods, P. Chamberlin, L. Fletcher, and D. Graham, Doppler Signatures in EVE Spectra, AAS Solar Physics Division Meeting, June 2011. Didkovsky, L., D. Judge, A. Kosovichev, S. Wieman, and T. Woods, Spectral Irradiance Oscillations Detected by the EVE/ESP and EVE/MEGS Channels during the X2.2 Solar Flare of February 15, 2011, SDO Science Workshop, May 2011. Didkovsky, L., D. Judge, A. Kosovichev, S. Wieman, and T. Woods; First Detection of Global Five-Minute Solar Oscillations in the Lower Corona Associated with Acoustic p-Modes Using SDO/EVE/ESP, SDO Science Workshop, May 2011. Eparvier, F., R. Hock, and T. Woods, SDO-EVE Observations of EUV Dimming During Solar Flares, SDO Science Workshop, May 2011. Hock, R. A., F. Eparvier, T. Woods, and A. R. Jones, Solar flare classification using SDO and the impact on the EUV irradiance, SDO Science Workshop, May 2011. Jones, A. R., T. Woods, F. Eparvier, D. Woodraska, C. Jeppesen, R. Hock, L. Didkovsky, S. Wieman, and J. Goetz; Developing near real-time space weather products with SDO EVE data, SDO Science Workshop, May 2011. Woodraska, D., M. Dorey, T. Woods, F. Eparvier, and A. Jones, EVE Data Access, SDO Science Workshop, May 2011. Woods, T., The 2011 Valentine Storm As Seen by SDO, SDO Science Workshop, May 2011. Woods, T. N., Red Hot Sun: 2011 Valentine Storm As Seen by the Solar Dynamics Observatory, Boulder Solar Day (BSD), (Invited Keynote Talk), March 18, 2011. Woods, T. N. and P. C. Chamberlin, Our New Eye on the Sun: Solar Dynamics Observatory, New Mexico State University seminar series, (Invited), Feb. 18, 2011. Woods, T. N., and SDO EVE Team, First Results from SDO Extreme Ultraviolet Variability Experiment (EVE), AGU Fall Meeting, SH13A-01 (Invited), 2010. Woods, T. N., Lower Solar Extreme Ultraviolet Irradiances During the Solar Cycle 23/24 Minimum, AGU Fall Meeting, SA24A-01 (Invited), 2010. Hock, R. A., T. N. Woods, J. A. Klimchuk, and F. G. Eparvier, Modeling the Secondary Flare Irradiance Measured by Solar Dynamic Observatory (SDO) Extreme ultraviolet Variability Experiment (EVE), AGU Fall Meeting, SH13A-05, 2010. Warren, H. P., J. T. Mariska, G. A. Doschek, and SDO EVE Team, The EVE TeamPhysical Properties of Solar Flares: New Results from EVE/SDO, AGU Fall Meeting, SH13A-06, 2010. 17 Lin, C. Y., S. M. Bailey, T. N. Woods, F. Eparvier, C. Jeppesen, D. Woodraska, and R. A. Hock, Soft X-ray Energy Detection from Broadband Images by the Solar Aspect Monitor (SAM) on Solar Dynamic Observatory (SDO), AGU Fall Meeting, SH11A-1594, 2010. Didkovsky, L. V., D. Judge, S. R. Wieman, T. N. Woods, A. Jones, F. Eparvier, D. Woodraska, and P. C. Chamberlin, First Results from the EUV SpectroPhotometer (ESP) on the SDO Extreme Ultraviolet Variability Experiment (EVE), AGU Fall Meeting, SH11A-1595, 2010. Richard, E. C., J. W. Harder, P. Pilewskie, T. N. Woods, K. Lykke, and S. Brown, Future Longterm Measurements of Solar Spectral Irradiance Variability: Achievements and Lessons from the SORCE SIM, AGU Fall Meeting, GC21B-0876, 2010. Snow, M. A., W. E. McClintock, T. N. Woods, J. W. Harder, and E. C. Richard, Solar Ultraviolet Irradiance Variability During the Decline of Cycle 23, AGU Fall Meeting, GC21B-0878, 2010. Ware DeWolfe, A., A. Wilson, D. M. Lindholm, C. K. Pankratz, M. A. Snow, and T. N. Woods, Solar Irradiance Data Products at the LASP Interactive Solar IRradiance Datacenter (LISIRD), AGU Fall Meeting, GC21B-0881, 2010. Harder, J. W., A. Merkel, J. Fontenla, D. Marsh, and T. N. Woods, Application of Solar Spectral Irradiance Variability in a Earth Atmospheric Model, AGU Fall Meeting, GC13E02, 2010. Woodraska, D., M. Dorey, T. N. Woods, F. G. Eparvier, A. Jones, and C. Jeppesen, Data Access for the EUV Variability Experiment on the NASA Solar Dynamics Observatory, AGU Fall Meeting, SH22A-03, 2010. Chamberlin, P. C., T. N. Woods, C. J. Schrijver, H. P. Warren, R. O. Milligan, S. Christe, and J. W. Brosius, Solar flare impulsive phase observations from SDO and other observatories, AGU Fall Meeting, SH23A-1832, 2010. Goetz, J., A. R. Jones, T. N. Woods, F. Eparvier, P. C. Chamberlin, and L. V. Didkovsky, A Preliminary comparison of the Flares as seen by SDO-EVE-ESP and GOES XRS, AGU Fall Meeting, SH23A-1833, 2010. Chamberlin, P. C., T. N. Woods, A. Wilson, and, C. Lindholm, SA24A-03 New measurements and improved modeling of solar flares with SDO EVE, AGU Fall Meeting, SH24A-03 (Invited), 2010. Eparvier, F. G., T. J. Fuller-Rowell, S. M. Bailey, and SDO EVE Team, Impacts on the Thermosphere of the Short Term Variability of the Solar EUV and XUV Spectral Irradiance Measured by SDO-EVE, AGU Fall Meeting, SH24A-05, 2010. Peterson, W. K., T. N. Woods, J. M. Fontenla, P. G. Richards, W. Tobiska, S. C. Solomon, and H. P. Warren, Photoelectrons as a tool to evaluate spectral and temporal variations of solar EUV and XUV irradiance models over solar rotation and solar cycle time scales, AGU Fall Meeting, SA33B-1766, 2010. 18 Wilson, A., D. M. Lindholm, A. Ware DeWolfe, T. Smith, C. K. Pankratz, M. Snow, and T. N. Woods, Evolving LISIRD and the LASP Time Series Server to Support Data Identification, Citation, and Provenance, AGU Fall Meeting, IN41B-1366, 2010. Dolinar, E., M. Snow, G. Holsclaw, G. E. Thomas, and T. N. Woods, Lyman alpha airglow observations from SORCE SOLSTICE, AGU Fall Meeting, SA51A-1610, 2010. Zhang, S., J. M. Holt, P. J. Erickson, and T. N. Woods, Exospheric temperature variability and the solar EUV control, AGU Fall Meeting, SA33B-1771, 2010. Woods, T., F. Eparvier, R. Hock, A. Jones, L. Didkovsky, D. Judge, and P. Chamberlin, First Light Results from the SDO Extreme Ultraviolet Variability Experiment (EVE), COSPAR Meeting, C12-0002-10, Invited, 2010. Woods, T., Lower Solar Extreme Ultraviolet Irradiances During the Solar Cycle 23/24 Minimum, COSPAR Meeting, C13-0012-10, Invited, 2010. Woods, T., F. Eparvier, R. Hock, A. Jones, L. Didkovsky, D. Judge, and P. Chamberlin, SDO Extreme Ultraviolet Variability Experiment (EVE): Instrument and First Results, COSPAR Meeting, E22-0013-10, Invited, 2010. Snow, M., T. Woods, and O. R. White, Irradiance observations of solar active longitudes over three solar cycles, COSPAR Meeting, C12-0009-10, 2010. Peterson, W., P. Richards, P. Chamberlin, T. Woods, S. Bailey, and W. K. Tobiska, Photoelectrons as a tool to evaluate spectral and temporal variations of Solar EUV irradiance models over solar rotation and solar cycle time scales, COSPAR Meeting, C120018-10, Invited, 2010. Harder, J., J. Fontenla, M. Rast, P. Pilewskie, and T. Woods, Measured and modeled trends in solar spectral irradiance variability in the visible and infrared, COSPAR Meeting, A11-001410, Invited, 2010. Richard, E., J. Harder, P. Pilewskie, J. Fontenla, T. Woods, S. Brown, and K. Lykke, Long-term measurements of solar spectral irradiance variability: toward the establishment of a climate record, COSPAR Meeting, D31-0005-10, Invited, 2010. Eparvier, F., T. Woods, P. Chamberlin, D. Woodraska, and R. Hock, TIMED SEE: Eight Years of Solar EUV Spectral Irradiance Measurements, COSPAR Meeting, C12-0022-10, 2010. Nusinov, A., T. Kazachevskaya, V Katyushina, and T. Woods, Lyman-alpha line as a solar activity index for calculations of solar spectrum in the EUV region, COSPAR Meeting, C120024-10, 2010. Chamberlin, P., T. Woods, F. Eparvier, R. Hock, L. Didkovsky, and D. Judge, Comparisons of the Flare Irradiance Spectral Model (FISM) to preliminary SDO EVE data, COSPAR Meeting, E22-0015-10, 2010. Didkovsky, L., D. Judge, S. Wieman, T. Woods, F. Eparvier, and A. Jones, A Comparison of the First Solar EUV Irradiance Measurements from the SDO/EVE EUV Spectrophotometer 19 (ESP) with the SOHO/CELIAS Solar EUV Monitor (SEM) Absolute Solar EUV Irradiance, COSPAR Meeting, E22-0016-10, 2010. Eparvier, F., T. Woods, R. Hock, P. Chamberlin, D. Woodraska, and A. Jones, Initial Comparisons between Solar EUV Spectral Irradiance Observations by SDO-EVE MEGS and TIMED-SEE, COSPAR Meeting, E22-0017-10, 2010. Hock, R., T. Woods, F. Eparvier, and P. Chamberlin, Results from the first SDO Extreme ultraviolet Variability Experiment (EVE) calibration rocket, COSPAR Meeting, E22-003010, 2010. Fontenla, J. J. Harder, and T. Woods, First Accurate, and Surprising, Observations of Solar Spectral Irradiance by the SIM/SORCE Instrument, AAS Solar Physics Division Meeting, 313.04, 2010. Woods, T. N., F. Eparvier, R. Hock A. Jones, L. Didkovsky, D. Judge, P. Chamberlin, J. Lean, H. Warren, and J. Mariska, SDO Extreme Ultraviolet Variability Experiment (EVE): Instrument and First Light, AAS Solar Physics Division Meeting, 308.02, 2010, Invited. Eparvier, F., T. N. Woods, D. L. Woodraska, D. Judge, and L. Didkovsky, The Solar Dynamics Observatory (SDO) EUV Variability Experiment (EVE): Data Products and Data Access, AAS Solar Physics Division Meeting, 402.01, 2010. Hock, R., T. N. Woods, and F. G. Eparvier, Center-to-limb Variations from SDO Extreme Ultraviolet Variability Experiment (EVE), AAS Solar Physics Division Meeting, 402.02, 2010. Solomon, S. C., L. Qian, and T. N. Woods, Solar Forcing of the Thermosphere-Ionosphere System from Maximum to Minimum, AGU Fall Meeting, SA43B-01, 2009. Chamberlin, P. C., T. N. Woods, and L. Qian, A Comparison of Solar EUV Irradiance Reference Spectra and Their Affect on the Earth’s Thermosphere and Ionosphere, AGU Fall Meeting, SA43B-03, 2009. DeWolfe, A. W., A. Wilson, D.M. Lindholm, C.K. Pankratz, M. Snow, and T.N. Woods, Accessing Solar Irradiance Data Products From the LASP Interactive Solar IRradiance Datacenter (LISIRD), AGU Fall Meeting, SH33B-1506, 2009. Wilson, A., D.M. Lindholm, A. Ware DeWolfe, C. Lindholm, C.K. Pankratz, M. Snow, and T.N. Woods, LISIRD 2: Applying Standards and Open Source Software in Exploring and Serving Scientific Data, AGU Fall Meeting, IN41A-1122, 2009. Peterson, W. K., E. Stavros, T. Woods, P. Richards, S. Bailey, S.C. Solomon, and P.C. Chamberlin, Uncertainties in EUV and XUV ionospheric heating over solar cycle 23, AGU Fall Meeting, SA51B-1226, 2009. Woods, T. N., Review of Recent Solar Irradiance Variations, SOHO-23 Workshop: Understanding a Peculiar Solar Minimum, September, 2009 [Invited]. 20 Woods, T. N., P. C. Chamberlin, J. W. Harder, R. A. Hock, M. Snow, F. G. Eparvier, J. Fontenla, W. E. McClintock, and E. C. Richard, Solar Irradiance Reference Spectra for 2008 Minimum: Is this Minimum Lower?, MOCA-09 / IAMAS, July Meeting, M03.12/27202, 2009. Harder, J., Fontenal, J., P. Pilewskie, E. Richard, and T. Woods, Trends in Solar Spectral Irradiance Variability in the Visible and Infrared, MOCA-09 / IAMAS, July Meeting, M03.10/27202, 2009. Pilewskie, P., G. Kopp, E. Richard, J. Harder, J. Fontenla, and T. Woods, TSIS: The Total and Spectral Solar Irradiance Sensor, MOCA-09 / IAMAS, July Meeting, M03.4/27102, 2009. Snow, M., W. E. McClintock, and T. N. Woods, The SOLSTICE Composite Mg II Index Dataset, MOCA-09 / IAMAS, July Meeting, M03.4/27417, 2009. Lindholm, D., C. K. Pankratz, B. G. Knapp, J. Fontenla, J. W. Harder, W. E. McClintock, G. Kopp, M. Snow, and T. N. Woods, SORCE Solar Irradiance Data Products, MOCA-09 / IAMAS, July Meeting, M03.2/27417, 2009. Woods, T. N., Solar Irradiance – A User’s Guide, NASA Heliophysics School, Lecture, July 26, 2009 (Invited). Chamberlin, P. C., F. G. Eparvier, A. R. Jones, and T. N. Woods, Next Generation X-Ray Sensors (XRS) for the NOAA GOES-R Series Satellites, SPIE, Summer Meeting, 2009. Woods, T. N., Solar Irradiance: Recent Results and Future Research Plans, AAS SPD, June Meeting, Parker Lecture 34.01, 2009 (Invited). Didkovsky, L. V., D. Judge, T. Woods, S. Wieman, and A. Jones, Extreme Ultraviolet Spectrophotometer: Algorithms and Calibrations, AAS SPD, June Meeting, Poster 17.12, 2009. Chamberlin, P. C., T. N. Woods, F. G. Eparvier, D. Judge, and L. Didkovsky, Observing Changes in the Solar EUV Spectral Irradiance, AAS SPD, June Meeting, Oral Talk 35.03, 2009. Snow, M., W. E. McClintock, and T. N. Woods, Changes in Solar Minimum Irradiance in the Middle and Far Ultraviolet on Solar Cycle Timescales, AAS SPD, June Meeting, Poster 11.12, 2009. Woods, T. N., F. G. Eparvier, and P. C. Chamberlin, Solar Ultraviolet Irradiance Variability During the NASA TIMED Mission, European Geophys. Union, Spring Meeting, ST14/NH9.6, 2009. Chamberlin, P. C., T. N. Woods, G. Lu, Z. Sternovsky, and P. Withers, Using the Flare Irradiance Spectral Model (FISM) to study the response of the Earth, Mars and Moon to Solar Flares, European Geophys. Union, Spring Meeting, ST14/NH9.6, 2009. Eparvier, F. G., T. N. Woods, P. C. Chamberlin, D. Judge, L. Didkovsky, and J. Lean, The EUV Variability Experiment (EVE) on the NASA Solar Dynamics Observatory (SDO): The Next Generation of Solar EUV Spectral Irradiance Measurements, European Geophys. Union, Spring Meeting, ST14/NH9.6, 2009. 21 Woodraska, D. L., T. N. Woods, and F. G. Eparvier, Comparison of TIMED Satellite Drag with the Solar EUV Experiment Measurements, European Geophys. Union, Spring Meeting, ST14/NH9.6, 2009. Jones, A., F. Epariver, T. Woods, L. Didkovsky, D. Jones, and S. Wieman, A Comparison of the SOHO-SEM and TIMED-SEE Solar EUV Irradiance Data, European Geophys. Union, Spring Meeting, ST14/NH9.6, 2009. Harder, J., M. Snow, G. Kopp, J. Fontenla, B. McClintock, P. Pilewskie, E. Richard, and T. Woods, The Solar Radiation and Climate Experiment (SORCE): Measuring the Sun’s influence on climate from space, European Geophys. Union, Spring Meeting, CL24, 2009. Woods, T, P Chamberlin, M Snow, and J Harder, Solar Irradiance Reference Spectra (SIRS) for IHY2007 Whole Heliosphere Interval (WHI), Am. Geophys. Union, Fall Meeting, SH23A1627, 2008. Peterson, W, E Stavros, P Richards, P Chamberlin, and T Woods, Photoelectrons Escaping the Ionosphere During the WHI: An Alternative Method to Validate the Temporal and Spectral Variation of the Solar Irradiance in the 1-50 nm Range, Am. Geophys. Union, Fall Meeting, SH23A-1626, 2008. Harder, J W, J Fontenla, P Pilewskie, E Richard, and T Woods, Solar Spectral Variability as measured by the SORCE SIM Instrument, Am. Geophys. Union, Fall Meeting, SH23A1630, 2008. Snow, M, W E McClintock, and T N Woods, Changes in the Solar Minimum Irradiance in the Middle and Far Ultraviolet on Solar Cycle Timescales, Am. Geophys. Union, Fall Meeting, SH23A-1628, 2008. Chamberlin, P C, T N Woods, J W Harder, R A Hock, and M Snow, The Extreme Ultraviolet Contributions to the Solar Irradiance Reference Spectrum (SIRS), Am. Geophys. Union, Fall Meeting, SH21C-04, 2008. Thompson, B, S E Gibson, S McIntosh, T Fuller-Rowell, A B Galvin, J U Kozyra, G Petrie, P Schroeder, L Strachan, D F Webb, and T Woods, The Whole Heliosphere Interval: Campaign Summaries and Early Results, Am. Geophys. Union, Fall Meeting, SH21C-01, 2008. Lindholm, D M, C K Pankratz, B G Knapp, R Meisner, J Fontenla, J W Harder, W E McClintock, G Kopp, M Snow, T N Woods, SORCE Solar Irradiance Data Products, Am. Geophys. Union, Fall Meeting, SM11B-1623, 2008. Sparn, T, P Pilewskie, J Harder, G Kopp, E Richard, J Fontenla, and T Woods, TSIS: The Total Solar Irradiance Sensor, Am. Geophys. Union, Fall Meeting, A51F-0165, 2008. Richard, E C, J W Harder, G M Lawrence, P Pilewskie, G Kopp, T Sparn, T Woods, S Brown, K Lykke, and A Smith, SI-Traceable Solar Spectral Irradiance Measurements: The NPOESS TSIS Spectral Irradiance Monitor, Am. Geophys. Union, Fall Meeting, GC23A-0745, 2008. 22 Wilson, A, C K Pankratz, D M Lindholm, M Snow, B Knapp, D Woodraska, B Templeman, T Woods, F Eparvier, J Fontenla, J Harder, and M Bill, LISIRD: Where to go for Solar Irradiance Data, Am. Geophys. Union, Fall Meeting, IN12A-08, 2008. Eastes, R W, D N Anderson, W E McClintock, *A Aksnes, L Andersson, A G Burns, S A Budzien, M V Codrescu, R E Daniell, K F Dymond, S L England, F J Eparvier, J E Harvey, T J Immel, A Krywonos, M R Lankton, J D Lumpe, A D Richmond, D W Rusch, O H Siegmund, S C Solomon, D J Strickland, and T N Woods, Low Latitude Ionosphere Measurements by the Global-scale Observations of the Limb and Disk (GOLD) Mission, Am. Geophys. Union, Fall Meeting, SA33A-1621, 2008. Woods, T. N., Solar Irradiance Research at LASP: Recent Results and Applications for Climate Change and Space Weather Studies, NCAR-HAO Colloquium, Boulder, Sep. 3, 2008 [Invited]. Woods, T. , P. Chamberlin, J. Harder, and M. Snow, Solar Irradiance Reference Spectra (SIRS) for the IHY2007 Whole Heliosphere Interval (WHI), WHI Data Workshop, Boulder, CO, 2008. Peterson, W. K., Erica Stavros, P.G. Richards, P.C. Chamberlin, and T.N. Woods, Photoelectrons escaping the ionosphere during the WHI: An alternative method to determine the temporal variation of the solar irradiance in the 1-50 nm range, Whole Hemisphere Interval (WHI) Workshop, Boulder, CO, Aug. 2008. Woods, T. N., Improved Solar Soft X-ray Irradiance Algorithm for Broad Band Photometers using CHIANTI Spectral Models, COSPAR Meeting, Montreal, Canada, C12-0004-08, July, 2008. Rodgers, E., S. Bailey, H. Warren, T. Woods, and F. Eparvier, Solar Flare Soft X-ray Irradiance and its Impact on the Earth's Upper Atmosphere, COSPAR Meeting, Montreal, Canada, C12-0009-08, July, 2008. Snow, M., W. McClintock, and T. Woods, Solar spectral irradiance variability in the ultraviolet from SORCE and UARS SOLSTICE, COSPAR Meeting, Montreal, Canada, C12-0006-08, July, 2008. Pryor, W., E. Quemerais, M. Snow, and T. Woods, Lyman-alpha observations of Comet Holmes from SORCE and SOHO SWAN, COSPAR Meeting, Montreal, Canada, D13-002008, July, 2008. Chamberlin, P., T. Woods, and F. Eparvier, The Flare Irradiance Spectral Model (FISM) and its Contributions to Studies of the Ionosphere and Thermosphere, COSPAR Meeting, Montreal, Canada, C12-0008-08, July, 2008. Eparvier, F G., and T. N. Woods, Using solar ultraviolet irradiance modeling techniques to understand and correct for ultraviolet instrument degradation, Am. Geophys. Union, Spring Meeting, SP54A-02, 2008. Chamberlin, P., C. T. N. Woods, and F. G. Eparvier, Solar extreme ultraviolet irradiance during solar cycle minimum, Am. Geophys. Union, Spring Meeting, SH51A-04, 2008. Eastes, R. W., A. G. Burns, W. McClintock, A. Aksnes, D. Anderson, L. Andersson, S. A. Budzien, M. Codrescu, R. E. Daniell, S. England, K. Dymond, F. Eparvier, J. Harvey, T. 23 Immel, A. Krywonos, M. Lankton, J. Lumpe, A. D. Richmond, D. Rusch, O. Siegmund, S. C. Solomon, D. Strickland, and T. Woods, Global-scale Observations of the Limb and Disk: a key mission for understanding thermosphere-ionosphere forcing, Am. Geophys. Union, Spring Meeting, SM43A-03, 2008. Woods, T. N., "The Hot (and Cold) Story of Climate Change", IEEE Keynote Speech, Boulder, CO, May 2, 2008. (INVITED) Woods, T. N., SDO EUV Variability: Science and Instrument Overview, SDO Science Workshop, March 2008. Woods, T. N., "Solar Research at LASP: Aerospace Engineering Applications", CU AES K. W. Wood Colloquium, Boulder, CO, Feb. 29, 2008. (INVITED) Woods, T, N., "Maunder Minimum: How the cold period in the 1600s was influenced by solar activity", LASP Public Lecture, Boulder, CO, March 4, 2008. (INVITED) Woods, T. N., Lessons Learned from Making Previous Solar Reference Spectra, Solar Reference Spectrum Workshop, Santa Fe, NM, Feb. 4, 2008. Woods, T. N., "What We’ve Learned from SORCE – Solar Cycle Maximum to Minimum", SORCE Science Workshop Keynote Talk, Santa Fe, NM, Feb. 5-7, 2008. (INVITED) Woods, T. N., XUV Photometer System (XPS): Improved Solar Irradiance Algorithm Using CHIANTI Spectral Models, SORCE Science Workshop, Feb. 2008. Woods, T. N., "SORCE Mission: Improving the solar irradiance climate record", NASA HQ Alan Stern Science Colloquium, Jan. 22, 2008. (INVITED) Mlynczak, M., F. Martin-Torres, J. Kozyra, J. Russell, and T. Woods, Long and short-term variations in the energy balance of the thermosphere from TIMED and SORCE, European Geophys. Union, Spring Meeting, 2008. Lindholm, D. M., C. K. Pankratz, B. G. Knapp, R. Meisner, J. Fontenla, H. W. Harder, W. E. McClintock, G. Kopp, M. Snow, and T. N. Woods, SORCE solar irradiance data products, Am. Geophys. Union, Fall Meeting, SH13A-1105, 2007. Mlynczak, M., F. Martin-Torres, E. E. Remsberg, B. T. Marshall, R. E. Thompson, J. Russell, L. L. Gordley, and T. Woods, Energy balance in the thermosphere from TIMED and SORCE data, Am. Geophys. Union, Fall Meeting, SA33C-03, 2007. Kozyra, J. U., G. Crowley, R. A. Doe, M. G. Mlynczak, L. J. Paxton, W. R. Skinner, S. C. Solomon, E. Talaat, T. N. Woods, Q. Wu, and J. Yee, Overview of TIMED CEDAR observations showing the MLTI system response to changing drivers from solar maximum to solar minimum, Am. Geophys. Union, Fall Meeting, SA33C-01, 2007. Pankratz, C. K., D. M. Linholm, M. Snow, B. Knapp, D. Woodraska, B. Templeman, T. N. Woods, F. G. Eparvier, J. Fontenla, J. Harder, and W. E. McClintock, The LASP Interactive Solar IRradiance Datacenter (LISIRD), Am. Geophys. Union, Fall Meeting, IN22A-08, 2007. 24 Richard, E. C., J. W. Harder, J. Fontenla, P. Pilewskie, G. Kopp, and T. N. Woods, Solar spectral irradiance variability in the near infrared and correlations to the variability of total solar irradiance during the declining phase of solar cycle 23, Am. Geophys. Union, Fall Meeting, GC31B-0349, 2007. Harder, J. W., E. Richard, J. Fontenla, P. Pilewskie, G. Kopp, and T. Woods, Spectral decomposition of the TSI record using the SORCE TIM and SIM instruments, Am. Geophys. Union, Fall Meeting, GC31B-0348, 2007. Fontenla, J., P. Pilewskie, J. Harder, M. Snow, E. Richard, and T. Woods, Variation of atmospheric heating rates derived from SORCE solar spectra and the SRPM model, Am. Geophys. Union, Fall Meeting, GC31B-0343, 2007. Floyd, L., T. Woods, and M. Deland, Solar cycle dependence of solar UV irradiance, Am. Geophys. Union, Fall Meeting, GC31B-0344, 2007. Woods, T. N., Solar Extreme Ultraviolet Irradiance Measurements and Models Planned for the Solar Dynamics Observatory, Living With a Star Workshop, Sep. 2007. Woods, T. N., Improved solar XUV irradiance results from TIMED Solar EUV Experiment (SEE), TIMED Ionosphere-Thermosphere-Magnetosphere Workshop, Sep. 2007. Snow, M., G. Holsclaw, W. E. McClintock, and T. Woods, Absolute ultraviolet irradiance of the Moon from SORCE SOLSTICE, SPIE, Summer Meeting, 2007. Chamberlin, P. C., R. A. Hock, D. A. Crotser, F. G. Eparvier, M. Furst, M. A. Triplett, D. Woodraska, and T. N. Woods, EUV Variability Experiment (EVE) Multiple EUV Grating Spectrographs (MEGS) radiometric calibrations and results, SPIE, Summer Meeting, 2007. Triplett, M. A., D. A. Crotser, T. N. Woods, F. G. Eparvier, P. C. Chamberlin, G. D. Berthiaume, D. M. Weitz, and R. E. Vest, SDO EVE CCD and thin foil filter characterization and selection, SPIE, Summer Meeting, 2007. Crotser, D. A., T. N. Woods, F. G. Eparvier, M. A. Triplett, and D. L. Woodraska, SDO-EVE EUV spectrograph optical design and performance, SPIE, Summer Meeting, 2007. Didkovsky, L., D. Judge, S. Wieman, T. Woods, P. Chamberlin, A. Jones, F. Eparvier, M. Triplett, D. Woodraska, D. McMullin, M. Furst, and R. Vest, SDO EVE ESP radiometric calibration and results, SPIE, Summer Meeting, 2007. Westhoff, R. C., M. K. Rose, J. A. Gregory, G. D.Berthiaume, J. F. Seely, T. N. Woods, and G. Ucker, Radiation-Hard, Charge-Coupled Devices for the Extreme Ultraviolet Variability Experiment, SPIE, Summer Meeting, 2007. Woods, T. N., J. Harder, G. Kopp, and B. McClintock, Solar Irradiance Variability Results from NASA's SORCE Mission, IUGG XXIV General Assembly, Paper MS020-002, INVITED, July 2007. 25 Mlynczak, M., F. Martin-Torres, B. Marshall, R. Thompson, J. Williams, T. Turpin, D. Kratz, J. Russell, T. Woods, L. Gordley, Solar cycle influence on the infrared energy budget of the thermosphere, European Geophys. Union, Spring Meeting, 2007. Withers, P., J. Wroten, M. Mendillo, P. Chamberlin, and T. Woods, Modeling the effects of solar flares on the ionosphere of Mars, European Geophys. Union, Spring Meeting, 2007. Woods, T. N., P. Chamberlin, F. Eparvier, W. McClintock, and M. Snow, Solar Cycle Variation of the Solar Ultraviolet Irradiance: Recent Observations from SORCE and TIMED, Am. Geophys. Union, Fall Meeting, SA23A-03, 2006. Rodgers, E., S. M. Bailey, H. H. Warren, T. N. Woods, and F. G. Eparvier, Thermospheric Nitric Oxide Density Enhancement due to Solar Flares, Am. Geophys. Union, Fall Meeting, SA13A-0266, 2006. Smith, D. C., E. R. Talaat, J. Yee, T. Woods, R. G. Roble, and G. Crowley, Examination of Cadence of Solar Soft X-ray Flux on the Ionosphere and Thermosphere, Am. Geophys. Union, Fall Meeting, SA13B-0273, 2006. Lumpe, J. D., L. Floyd, M. Snow, and T. Woods, Thermospheric Remote Sensing by Occultation: Comparison of SUSIM and SOLSTICE O2 Measurements, Am. Geophys. Union, Fall Meeting, SA13B-0275, 2006. Wang, X., Q. Sun, R. Eastes, S. Bailey, B. Reinisch, C. Valladares, and T. Woods, The Shortterm Relationship of Ionospheric Electron Density with Solar Irradiance and Geomagnetic Activity in Daily Observations, Am. Geophys. Union, Fall Meeting, SA33B-0271, 2006. Snow, M. D. Woodraska, W. E. McClintock, T. N. Woods, and G. Kopp, Solar Irradiance Data for Space Weather from SORCE and TIMED-SEE, Am. Geophys. Union, Fall Meeting, SA53A-1352, 2006. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, The Flare Irradiance Spectral Model (FISM) as an Operational Space Weather Product, Am. Geophys. Union, Fall Meeting, SA53A-1353, 2006. McClintock, W., M. Lankton, R. Eastes, A. Aksens, D. Anderson, L. Andersson, M. Codrescu, A. Burns, R. Daniell, F. Eparvier, J. Harvey, A. Krywonos, J. Lumpe, G. Prolss, T. Woods, A. Richmond, D. Rusch, S. Solomon, and D. Strickland, Global-scale Observations of the Limb and Disk (GOLD): Mission Implementation, Am. Geophys. Union, Fall Meeting, SA41B-1413, 2006. Eastes, R., W. McClintock, A. Aksnes, D. Anderson, L. Andersson, A. Burns, M. Codrescu, R. Daniell, F. Eparvier, J. Harvey, A. Krywonos, J. Lumpe, G Prölss, A. Richmond, D. Rusch, S. Solomon, D. Strickland, and T. Woods, Global-scale Observations of the Limb and Disk (GOLD): Science Objectives, Am. Geophys. Union, Fall Meeting, SA43A-06, 2006. Eastes, R., W. McClintock, L. Andersson, W. McClintock, A. Aksnes, D. Anderson, A. Burns, M. Codrescu, R. Daniell, F. Eparvier, J. Harvey, A. Krywonos, M. Lankton, J. Lumpe, G Prölss, A. Richmond, D. Rusch, S. Solomon, D. Strickland, and T. Woods, Global-scale 26 Observations of the Limb and Disk (GOLD): Continuous, Global-scale Ultraviolet Observations of Earth, Am. Geophys. Union, Fall Meeting, SA33A-0337, 2006. Woods, T. N., Overview of LASP's Solar Influence Group, LASP Seminar, INVITED, 4 May 2006. Woods, T. N., Recent advances in observations and modeling of solar ultraviolet and x-ray spectral irradiance, COSPAR / TIGER-6, Beijing, China, INVITED, July, 2006. Chamberlin, P., T. N. Woods, and F. G. Eparvier, New flare model using recent measurements of the solar ultraviolet irradiance, COSPAR / TIGER-6, Beijing, China, July, 2006. Peterson, W. K., P. C. Chamberlin, T. N. Woods, and P. Richards, Variations of the solar flux in the 1 to 50 nm range over a solar rotation inferred from observations of photoelectrons with energies from 0.01 to 1 keV from the FAST satellite, COSPAR / TIGER-6, Beijing, China, July, 2006. Woods, T. N., Satellite Measurements of Solar Irradiance, Boulder Solar Alliance's Solar Day, INVITED, 21 March 2006. Woodraska, D., Woods, T., and Eparvier, F., Comparison of TIMED satellite drag with Solar EUV Experiment (SEE) measurements, AIAA/AAS, AIAA-2006-6169, 2006. Richard, E. C., J W Harder, G Kopp, and T N Woods, The TSIS Sensors: Results and Instrument Analysis for the SORCE SIM Instrument, Am. Geophy. Union, Fall Meeting, SM51C-05, 2005. DeLand, M. T., R P Cebula, L E Floyd, and T N Woods, Maintaining the Solar UV Database in the 21st Century, Am. Geophy. Union, Fall Meeting, SM43B-1220, 2005. Pankratz, C. K., B G Knapp, J M Fontenla, G J Rottman, T N Woods, J W Harder, G Kopp, W E McClintock, and M Snow, SORCE Solar Irradiance Data Products, Am. Geophy. Union, Fall Meeting, SM43B-1219, 2005. Eparvier, F. G., D L Woodraska, A Poppe, and T N Woods, Solar occultation measurements of the thermosphere by the TIMED Solar EUV Experiment (SEE), Am. Geophy. Union, Fall Meeting, SA43A-1084, 2005. Harder, J. W., J Fontenla, G Kopp, E Richard, and T Woods, The spectral composition of TSI as measured by the SORCE SIM solar spectral radiometer, Am. Geophy. Union, Fall Meeting, SH41A-1113, 2005. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, Comparisons of the New Flare Irradiance Spectral Model (FISM) to Current Solar Ultraviolet Irradiance Measurements, Am. Geophy. Union, Fall Meeting, SA34A-08, 2005. Woods, T. N. and G. Kopp, Contributions of the Solar Ultraviolet Irradiance to the Total Solar Irradiance During Large Flares, Am. Geophy. Union, Fall Meeting, SA33A-07, 2005. 27 Snow, M., T N Woods, F G Eparvier, J Fontenla, J Harder, W E McClintock, C Pankratz, E Richard, A Windnagel, and D Woodraska, The LASP Interactive Solar IRradiance Datacenter (LISIRD), Am. Geophy. Union, Fall Meeting, IN33B-1180, 2005. Yee, J., A Christensen, J Russell IIIT Killeen, T Woods, J Kozyra, A Smith, D Fritts, J Forbes, H Mayr, S Solomon, E Talaat, L Paxton, and M Mlynczak, NASA Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) Mission: Significant Findings and Evolving Research, Am. Geophy. Union, Fall Meeting, SA32A-01, 2005. Wang, X., R Eastes, B W Reinisch, S Bailey, C Valladares, and T Woods, Differences Between the Response of the Equatorial TEC and foF2 to Solar Soft X-ray Irradiances, Am. Geophy. Union, Fall Meeting, SA23A-0305, 2005. Woods, T., Solar Ultraviolet Irradiance Variations and the Impact of Solar Flares on the Earth's Atmosphere, NCAR Summer Colloquium on Space Weather, INVITED, 7 June 2005. Woods, T., Solar Irradiance Variability and Its Influence on Earth, NCAR ASP Seminar Series, INVITED, 18 May 2005. Woods, T. N., F. G. Eparvier, and W. McClintock, Recent Measurements of the Solar Ultraviolet Irradiance Variability and Application for Planetary Atmospheric Research, Am. Geophy. Union, Spring Meeting, SA31A-02, INVITED, 2005. Pankratz, C. K., B. G. Knapp, J. M. Fontenla, G. J. Rottman, T. N. Woods, J. W. Harder, G. Kopp, W. E. McClintock, and M. Snow, SORCE Solar Irradiance Data Products, Am. Geophy. Union, Spring Meeting, SH51B-03, 2005. Woodraska, D. L., T. N. Woods, and F. G. Eparvier, Science Data Processing of the Solar EUV Irradiance for the SDO EVE Instrument, Am. Geophy. Union, Spring Meeting, SH51B-02, 2005. Rodgers, E. M., S. M. Bailey, T. N. Woods, and F. G. Eparvier, Soft X-ray Irradiance during a Solar Flare, Am. Geophy. Union, Spring Meeting, SA41A-04, 2005. Viereck, R., T. Woods, and R. Eparvier, Measuring and Modeling Solar EUV Flux for Thermospheric and Ionospheric Modeling, Am. Geophy. Union, Spring Meeting, SP33A-05, 2005. Yee, J., E. R. Talaat, T. Woods, F. Eparvier, and S. C. Solomon, Ionization frequencies calculated using TIMED/SEE observations, Am. Geophy. Union, Spring Meeting, SA31A03, 2005. Kopp, G., M. Snow, W. McClintock, and T. Woods, A Comparison of Total Solar Irradiance to the Mg II Index Based on SORCE Measurements, Am. Geophy. Union, Spring Meeting, SH23B-04, 2005. Snow, M., W. McClintock, T. Woods, and G. Rottman, The Magnesium II Index at High Spectral and Temporal Resolution, Am. Geophy. Union, Spring Meeting, SA23A-14, 2005. 28 Eparvier, F. G., T. N. Woods, D. Judge, A. R. Jones, and D. L. Woodraska, SDO-EVE: Providing Solar EUV Irradiance Measurements for LWS, Am. Geophy. Union, Spring Meeting, SA23A-13, 2005. Chamberlin, P. C., T. N. Woods, and F. G. Eparvier, First Results from the Flare Irradiance Spectral Model (FISM): a Model of Solar Vacuum Ultraviolet Irradiance Over Time Scales from Flares to Solar Cycles, Am. Geophy. Union, Spring Meeting, SA23A-12, 2005. Woods, T. N., F. G. Eparvier, and P. Chamberlin, Solar ultraviolet variaiblity during the TIMED mission, Am. Geophy. Union, Fall Meeting, SA06, INVITED, 2004. Chamberlin, P., T. N. Woods, and F. G. Eparvier, Flare Irradiance Spectral Model (FISM): a model of solar vacuum ultraviolet irradiance over time scales from flares to solar cycles, Am. Geophy. Union, Fall Meeting, SA04, 2004. Lu, G., A. D. Richmond, D. S. Evans, J. U. Kozyra, T. N. Woods, S. C. Solomon, and R. Skoug, Global energy partition during superstorms, Am. Geophy. Union, Fall Meeting, SA07, 2004. Woods, T., Variation of the Bright Solar Lyman-Alpha Emission: Estimation of the UV Decrease During the Maunder Minimum, SORCE Workshop: Decadal Variability in the Sun and Climate, Meredith, NH, 27-29 Oct 2004. Woods, T., Variability of the Solar XUV Irradiance from the SORCE XPS, SORCE Workshop: Decadal Variability in the Sun and Climate, Meredith, NH, 27-29 Oct 2004, INVITED. Eparvier, F. G., and T. N. Woods, Calibration of the solar EUV spectral irradiance instruments aboard the TIMED and SDO satellites, COSPAR-TIGER Symposium, C1.2-0007-04, INVITED, 2004. Woods, T. N. and F. G. Eparvier, Solar ultraviolet variability during the TIMED mission, COSPAR-TIGER Symposium, C1.2-0004-04, 2004. Schmidtke, G., F. G. Eparvier, S. Solomon, W. K. Tobiska, and T. N. Woods, Introduction to the TIGER (Thermospheric/Ionospheric Geospheric Research) Program, COSPAR-TIGER Symposium, C1.2-0001-04, 2004. Rottman, G., T. Woods, and W. McClintock, SORCE Solar UV Irrradiance Results, COSPARTIGER Symposium, C1.2-0002-04, INVITED, 2004. Bailey, S., T. Woods, E. Rodgers, S. Solomon, and F. Eparvier, Observations of the solar soft X-ray irradiance by the Student Nitric Oxide Explorer (SNOE), COSPAR-TIGER Symposium, C1.2-0003-04, INVITED, 2004. Harder, J., J. Fontenla, S. Davis, G. Rottman, T. Woods, and O. White, Solar irradiance variations in the visible and infrared - observations and model calculations, COSPAR Meeting, D2.1/C2.2/E3.1-0010-04, 2004. 29 Rottman, G., T. Woods, G. Kopp, W. McClintock, M. Snow, J. Fontenla, and J. Harder, Irradiance observations of the October 28, 2003 X-17 flare, Am. Geophy. Union, Spring Meeting, SA51A-08, INVITED, 2004. Tsurutani, B. T., D. L. Judge, A. R. Jones, F. L. Guarniere, G. A. Zambon, P. Gangopadhyay, M. Harmon, J. Nuttall, D. E. Shemansky, A. Mannucci, G. Iijima, G. Hajj, T. N. Woods, L. Floyd, R. R. Meier, J. Huba, S. C. Solomon, S. Mende, T. J. Immel, J. U. Kozyra, and J. Pap, The extreme solar flares of October 28th and November 4th, 2003 and resultant extreme ionospheric effects , Am. Geophy. Union, Spring Meeting, SH43B-03, 2004. Solomon, S. C., G. Lu, L. Aian, A. D. Richmond, and T. N. Woods, ,Modeling the thermosphere/ionosphere response to large solar flares and geomagnetic storms Am. Geophy. Union, Spring Meeting, SH44A-03, 2004. Yee, J., E. R. Talaat, J. U. Kozyra, L. J. Paxton, A. Christensen, J. M. Russell, M. G. Mlynczak, S. Solomon, T. Killeen, G. Crowley, R. Heelis, C. H. Jackman, T. Woods, R. Roble, Q. Wu, J. Thayer, J. Foster, C Hackert, Atmospheric effects of the October-November 2003 storms, Am. Geophy. Union, Spring Meeting, SH44A-01, 2004. Qian, L., S. C. Solomon, R. G. Roble, F. A. Marcos, and T. N. Woods, ,Modeling of thermospheric density variations using solar EUV measurements Am. Geophy. Union, Spring Meeting, SA53A-06, 2004. Snow, M., W. McClintock, G. Rottman, and T. N. Woods, ,Solar flares in the UV from SORCE SOLSTICE, Am. Geophy. Union, Spring Meeting, SH51A-04, 2004. Wang, X., R. Eastes, S. Bailey, C. Valladares, T. Woods, Dependence of daytime equatorial electron densities on the solar soft x-ray flux, Am. Geophy. Union, Spring Meeting, SA51A08, 2004. Eparvier, F. G., Woods, T. N., G. Rottman, A. Jones, D. Judge, J. Lean, J. Mariska, D. McMullin, H. Warren, G. Berthiaume, S. Bailey, T. Fuller-Rowell, R. Viereck, J. Sojka, and K. Tobiska, The SDO EUV Variability Experiment (EVE): Research to operations, GOES May 2004 Workshop, 2004. Rottman, G., T. Woods, J. Harder, G. Kopp, W. McClintock, J. Fontenla, M. Snow, and B. Smiley, The Solar Radiation and Climate Experiment (SORCE), LWS March 2004 Workshop,, 2004. Woods, T. N., F. Eparvier, G. Rottman, A. Jones, D. Judge, J. Lean, J. Mariska, D. McMullin, H. Warren, G. Berthiaume, S. Bailey, T. Fuller-Rowell, R. Viereck, J. Sojka, and K. Tobiska, The EUV Variability Experiment (EVE) aboard the Solar Dynamics Observatory (SDO), LWS March 2004 Workshop, INVITED, 2004. Rodgers, E. M., S. M. Bailey, T. N. Woods and F. G. Eparvier, Solar flare soft x-ray irradiance and its impact on the Earth’s upper atmosphere, Living With a Star March 2004 Workshop, 2004. Eparvier, F. G., T. N. Woods, G. J. Rottman, L. E. Floyd, W. E. McClintock, and M. Snow, Meausurements of solar FUV spectral irradiance: TIMED-SEE results compared with UARS and SORCE, Am. Geophy. Union, Fall Meeting, SA41B-0426, 2003. 30 Woods, T., F. Eparvier, and D. Woodraska, Solar ultraviolet variability during the TIMED mission, Am. Geophy. Union, Fall Meeting, SA31B-02, 2003. Lean, J. L., D. J. Strickland, R. R. Meier, A. B. Christensen, T. N. Woods, F. Eparvier, D. McMullin and D. L. Judge, Comparisons of solar EUV irradiance variations from measurements, models and GUVI terrestrial far ultraviolet dayglow observations, Am. Geophy. Union, Fall Meeting, SA31B-03, 2003. McClintock, W. E., M. Snow, G. J. Rottman, and T. N. Woods, Solar ultraviolet spectral irradiance: Early results from the SOLar STellar Irradiance Climate Experiment spacecraft, Am. Geophy. Union, Fall Meeting, SH12A-1155, 2003. Snow, M., W. E. McClintock, G. Rottman, and T. N. Woods, Solar magnesium II observations from the SORCE SOLSTICE, Am. Geophy. Union, Fall Meeting, SH12A-1156, 2003. Rottman, G. J., T. N. Woods, G. M. Lawrence, J. W. Harder, W. E. McClintock, Greg A. Kopp, and Robert F. Cahalan, SORCE, the Solar Radiation and Climate Experiment, IUGG, MI01/03A/C29-003, Sapporo, Japan,, 2003. Woods, T. N. and G. J. Rottman, Variations of the bright solar Lyman-a emission, IUGG, MI01/03A/C29-004, Sapporo, Japan, INVITED, 2003. Rottman, G. J,., T. N. Woods, W. McClintock, and M. Snow, Solar cycle variations of solar ultraviolet irradiance, IUGG, JSM05/04A/C28-001, Sapporo, Japan, 2003. Lean, J. L., J. T. Mariska, H. P. Warren, T. Woods, F. Eparvier, D. McMullin, D. Judge, J. Newmark, and R. Viereck, Magnetic modulation of solar 304 Å irradiance, AAS Solar Phys. Div. Mtg, June 2003. Woods, T. N., F. G. Eparvier, D. Woodraska, S. M. Bailey, and S. C. Solomon, Solar EUV irradiance variability results from the TIMED Solar EUV Experiment, Am. Geophy. Union , 83,(47), SA61A-06 INVITED, 2002. Woods, T. N., F. G. Eparvier, G. J. Rottman, D. L. Judge,D. R. McMullin, J. L. Lean, J. T. Mariska, H. P. Warren, G. D. Berthiaume, S. M. Bailey, R. A. Viereck, W. K. Tobiska, T. J. Fuller-Rowell, and J. J. Sojka, Overview of the SDO Extreme ultraviolet Variability Experiment (EVE), Am. Geophy. Union , 83,(47), SH21C-02 INVITED, 2002. Eparvier, F. G., T. N. Woods, S. M. Bailey, W. K. Peterson, H. P. Warren, S. C. Solomon, H. Garcia, C. W. Carlson, and J. P. McFadden, Extreme ultraviolet variability of the large solar flare on April 21, 2002 and the terrestrial photoelectron response, Am. Geophy. Union , 83,(47), SA21B-0431, 2002. Eastes, R. W., S. M. Bailey, S. A. Budzien, K. F. Dymond, R. P. McCoy, A. C. Nicholas, S. E. Thonnard, and T. N. Woods, Correlation between the thermospheric temperature derived from ARGOS observations of N2 Lyman-Birge-Hopfield emission and solar soft X-ray observations from SNOE, Am. Geophy. Union , 83,(47), SA52A-0378, 2002. 31 Kopp, G., G. Lawrence, G. Rottman, and T. Woods, Phase sensitive detection for the SORCE Total Irradiance Monitor, Am. Geophy. Union , 83,(47), SH52A-0496, 2002. Woods, T. N., F. G. Eparvier, D. Woodraska, G. J. Rottman, S. C. Solomon, R. Roble, G. de Toma, J. Lean, W. K. Tobiska, and S. M. Bailey, Early results from the TIMED Solar EUV Experiment (SEE), Am. Geophy. Union , 83, S242, 2002. Eparvier, F. G., T. N. Woods, D. Woodraska, J. Cadieux, and R. Keenan, TIMED SEE EUV Grating Spectrograph: Early results, calibration, and validation efforts, Am. Geophy. Union , 83, S242, 2002. Bailey, S. M., T. N. Woods, S. C. Solomon, and F. G. Eparvier, TIMED/SEE and SNOE/SXP observations of the solar soft X-ray irradiance, Am. Geophy. Union , 83, S243, 2002. Solomon, S. C., S. M. Bailey, A. B. Christensen, F. G. Eparvier, G. R. Gladstone, L. J. Paxton, B. C. Wolven, and T. N. Woods, New solar extreme-ultraviolet and soft X-ray measurements: Model comparisons with thermosphere and ionosphere observations, Am. Geophy. Union , 83, S244, 2002. Eastes, R., S. Bailey, F. Marcos, J. Wise, and T. Woods, Correlation between coincident solar soft X-ray flux and satellite drag measurements, Am. Geophy. Union , 83, S230, 2002. Woods, T., Early results from the TIMED SEE, LASP Seminar, February, 2002. Woods, T., S. C. Solomon, and S. M. Bailey, Solar EUV and X-ray irradiance: Recent results and new prospects, Am. Geophy. Union , Fall, 2001. Viereck, R., L. Floyd, M. Weber, Tom Woods, G. de Toma, L. Puga, M. Deland, O. R. White, and B. Knapp, The MgII core-to-wing ratio: An update of the multi-satellite composite index, Am. Geophy. Union , Fall, 2001. Tobiska, W. K., K. Schatten, W. Pryor, D. Bouwer, T. Detman, T. Woods, C. Pankratz, F. Eparvier, R. Viereck, and L. Puga, Forecast solar variability on multiple time scales, Am. Geophy. Union , Fall, 2001. Woods, T. , G. Rottman, J. Harder, G. Lawrence, B. McClintock, G. Kopp, and C. Pankratz, Overview of the EOS SORCE mission, SPIE, San Diego, August, 2000. Harder, J. W., G. M. Lawrence, G. J. Rottman, and T. N. Woods, Spectral Irradiance Monitor (SIM) for the SORCE mission, SPIE, San Diego, August, 2000. G. M. Lawrence, G. J. Rottman, G. Kopp, J. W. Harder, W. E. McClintock, and T. N. Woods, Total Irradiance Monitor (TIM) for the EOS SORCE mission, SPIE, San Diego, August, 2000. W. E. McClintock, G. J. Rottman, and T. N. Woods, SOLar STellar Irradiance Comparison Experiment II (SOLSTICE II) for the NASA Earth Observing Systems Solar Radiation and Climate Experiment (SORCE) mission, SPIE, San Diego, August 2000. 32 V. A. Drake, W. E. McClintock, R. A. Kohnert, T. N. Woods, and G. J. Rottman, Photomultiplier tube detector performance and stability for the Earth Observing System’s SOLSTICE II instrument, SPIE, San Diego, August, 2000. Rottman, G. J. and T. N. Woods, Long-term variations in solar ultraviolet irradiance, Am. Geophy. Union , 81, S138, 2000. Woods, T. N., G. J. Rottman, and W. K. Tobiska, Long-term solar Lyman alpha irradiance measurements, Am. Geophy. Union , 81, S147, 2000. Bailey, S. M., T. N. Woods, C. A. Barth, and S. C. Solomon, Validation and analysis of 1.5 years of solar soft X-ray irradiance measurements from the SNOE satellite, Am. Geophy. Union , 81, S332, 2000. Tobiska, W. K., T. N. Woods, F. G. Eparvier, and S.D. Bouwer, Validation of the E10.7 proxy produced by SOLAR2000, COSPAR Session C1.1, 2000. Tobiska, W. K., S. D. Bouwer, R. Viereck, and T. N. Woods, Nowcasting by SOLAR2000 using recent solar irradiance observations, COSPAR Session E2.3, 2000. Hassler, D. M., F. Auchere, D. Slater, and T. Woods, SwRI/LASP sounding rocket intercalibration with SOHO/EIT, Am. Astron. Soc., 194, #108.03, 1999. Rottman, G. and T. Woods, Solar UV and EUV irradiance measurements and results, International Union of Geodesy and Geophysics, Birmingham, UK, p. A.84, 1999. Woods, T. N., F. E. Eparvier, G. J. Rottman, S. C. Solomon, S. M. Bailey, R. Roble, O. R. White, J. Lean, and W. K. Tobiska, Solar extreme ultraviolet measurements from the NASA TIMED satellite, International Union of Geodesy and Geophysics, Birmingham, UK, p. A.86, 1999. Rottman, G., T. Woods G. de Toma, J. London, M. Snow, C. Russell, B. Knapp, and O. R. White, Solar ultraviolet irradiance: UARS SOLSTICE observations, International Union of Geodesy and Geophysics, Birmingham, UK, p. A.86, 1999. Woods, T. N., G. J. Rottman, G. de Toma, J. London, and O. R. White, Solar ultraviolet irradiance variations from UARS SOLSTICE, International Union of Geodesy and Geophysics, Birmingham, UK, p. B.150, 1999. De Toma, G., O. R. White, K. L. Harvey, G. J. Rottman, and T. N. Woods, Evolution of solar magnetic fields in 1996-1998, Am. Astron. Soc., 194, #92.02, 1999. Bailey, S. M., C. Barth, T. N. Woods, and S. C. Solomon, Simultaneous measurements of solar soft x-ray irradiance and thermospheric nitric oxide from the SNOE satellite, Am. Geophy. Union , 80, 1999. Woods, T. N. and G. J. Rottman, In-flight degradation results for the UARS SOLSTICE instrument, SPIE 43rd Annual Meeting Technical Program, San Diego, p. 23, 1998. 33 Woods, T. N., F. G. Eparvier, S. M. Bailey, S. C. Solomon, G. J. Rottman, G. M. Lawrence, R. G. Roble, O. R. White, J. Lean, and W. K. Tobiska, TIMED Solar EUV Experiment, SPIE 43rd Annual Meeting Technical Program, San Diego, p. 55, 1998. Lawrence, G. M., J. W. Harder, G. J. Rottman, and T. N. Woods, Stability considerations for a solar spectral intensity monitor (SIM), SPIE 43rd Annual Meeting Technical Program, San Diego, p. 23, 1998. Drake, V. A., F. G. Eparvier, W. E. McClintock, and T. N. Woods, Microchannel plate performance and life-test results for the TIMED Solar EUV Experiment, SPIE 43rd Annual Meeting Technical Program, San Diego, p. 61, 1998. Solomon, S. C., C. A. Barth, S. M. Bailey, and T. N. Woods, Early results from the Student Nitric Oxide Explorer, Am. Geophy. Union , 79 (17), 1998. Hill, S. M., S. C. Solomon, S. M. Bailey, T. N. Woods, and D. D. Cleary, Rocket observations of N2(LBH) emissions in the far-ultraviolet dayglow, Am. Geophy. Union , 79 (17), 1998. Brekke, P., W. T. Thompson, T. N. Woods, and F. G. Eparvier, The EUV solar irradiance spectrum observed with the Coronal Diagnostic Spectrometer (CDS) on SOHO, Annales Geophysicae, 16, 1998. Woods, T., G. Rottman, C. Russell, and B. Knapp, In-flight degradation results for the UARS SOLSTICE instrument, NEWRAD'97 , 1997. Lawrence, G. M., G. Rottman, G. Mount, and T. Woods, An Electrical substitution radiometer (ESR) for solar spectroscopy, NEWRAD'97 , 1997. Solomon, S. C., C. A. Barth, S. M. Bailey, and T. N. Woods, Scientific objectives of the Student Nitric Oxide Explorer, Am. Geophy. Union , 78, 1997. Bailey, S. M., S. C. Solomon, and T. N. Woods, Thermospheric neutral composition measured by attenuation of solar EUV irradiance, Am. Geophy. Union , 78, 1997. Eparvier, F. G., S. M. Bailey, T. N. Woods, G. J. Rottman, S. C. Solomon, G. M. Lawrence, R. G. Roble, O. R. White, J. Lean, and W. K. Tobiska, Solar minimum spectral irradiance from the soft X-rays to the FUV, Am. Geophy. Union , 78, 1997. Bailey, S. M., S. C. Solomon, and T. N. Woods, Simultaneous observations of the NI 149.3 nm emission and the solar EUV irradiance, Am. Geophy. Union , 77, 1996. Worden, J., T. Woods, G. Rottman, Accurately parameterizing solar UV irradiance variability, Am. Geophy. Union , 76 (46), F445, 1995. Bailey, S. M., S. C. Solomon and T. N. Woods, Thermospheric composition from attenuation profiles of solar EUV irradiance, Am. Geophy. Union, 76 (46), F445, 1995. Solomon, S. C., S. M. Bailey, and T. N. Woods, Analysis of rocket observations of farultraviolet atomic oxygen airglow, Am. Geophy. Union, 76 (46), F445, 1995. 34 Woods, T. N., G. J. Rottman, J. R. Worden, and S. Solomon, Review of recent EUV irradiance measurements, Am. Geophy. Union, 76 (17), 240, 1995. Worden, J., P. Judge, T. N. Woods, O. R. White, and G. J. Rottman, Accurately modelling the variability of the solar transition region irradiance, Am. Geophy. Union, 76 (17), 240, 1995. Rottman, G. J., T. N. Woods, and O. R. White, Variability of solar ultraviolet irradiance observed by SOLSTICE, Am. Geophy. Union, 76 (17), 57, 1995. Bailey, S. M., S. C. Solomon, T. N. Woods, and R. Gladstone, Response of the far UV dayglow to solar and thermospheric variations, IUGG Meeting, Boulder, 1995. Rottman, G. J. and T. N. Woods, Solar ultraviolet irradiance: variation from maximum to minimum of solar cycle 22, IUGG Meeting, Boulder, 1995. Bailey, S. M., S. C. Solomon, and T. N. Woods, Simultaneous measurements of the N2 LBH airglow and the solar EUV and soft x-ray irradiance, Am. Geophy. Union, 75 (44), 508, 1994. Woods, T. N., G. J. Rottman, J. Worden, O. R. White, S. Bailey, and S. Solomon, Recent solar vacuum ultraviolet (VUV) irradiance measurements, Am. Geophy. Union, 75 (16), 283, 1994. Rottman, G. J. and T. N. Woods, Solar ultraviolet irradiance, solar cycles 21 and 22, Am. Geophy. Union, 75 (16), 282, 1994. Woods, T. N., S. Bailey, S. Solomon, G. Rottman, and J. Worden, Recent solar EUV irradiance measurements, Front Range Am. Geophy. Union, p. 16, Feb. 14-15, 1994. Bailey, S., T. N. Woods, C. A. Barth, G. J. Rottman, and S. C. Solomon, Solar soft x-ray flux measured from a sounding rocket, Front Range Am. Geophy. Union, p. 5, Feb. 14-15, 1994. Judge, P., G. Rottman, R. Roble, V. Tisone, and T. N. Woods, Solar EUV variability measurements from lunar observations with EUVE, Front Range Am. Geophy. Union, p. 9, Feb. 14-15, 1994. Rottman, G. J., T. N. Woods and O. R. White, UARS SOLSTICE observation of solar ultraviolet irradiance, October 1991 through September 1992, Am. Geophy. Union, 74 (43), 125, 1993. Bailey, S. M., S. C. Solomon, and T. N. Woods, Recent rocket measurements of the FUV airglow and EUV solar irradiance, Am. Geophy. Union, 74 (43), 460, 1993. Woods, T. N, J. Worden, G. J. Rottman, S. C. Solomon and G. Schmidtke, Observed variability of the solar EUV irradiance, The Sun as a Variable Star, IAU #143, Boulder, 198, 1993. Solomon, S. C., S. M. Bailey, and T. N Woods, Thermospheric airglow response to the solar ultraviolet irradiance, The Sun as a Variable Star, IAU #143, Boulder, 183, 1993. Rottman, G. J., T. N. Woods, O. R. White, and J. London, Irradiance observations from the UARS/SOLSTICE experiment, The Sun as a Variable Star, IAU #143, Boulder, 58, 1993. 35 Woods, T. N, and G. J. Rottman, Measurements of the solar ultraviolet irradiance made by the UARS SOLSTICE in 1992 and 1993, Annales Geophysicae, 1993. Rottman, G. J., and T. N. Woods, The UARS SOLSTICE: Measurement of the solar ultraviolet irradiance and its variation since October 1991, Annales Geophysicae, 1993. Woods, T., G. Rottman, G. Ucker, and C. Pankratz, Overview of UARS SOLSTICE Calibrations, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Pankratz, C., T. Woods and G. Rottman, UARS SOLSTICE in-flight stellar calibrations, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Ucker, G., T. Woods, G. Rottman, and J. Holberg, Comparison of stellar FUV reference spectra, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Wrigley, R. and T. Woods, Scattered light properties of reflective diffraction gratings, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Bailey, S. and T. Woods, Calibration of multiple diffraction orders at SURF-II, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Worden, J. and T. Woods, Calibration of the San Marco ASSI EUV and UV spectrometers, Ninth Workshop on the Vacuum Ultraviolet Calibration of Space Experiments, Boulder, CO, March 10-11, 1993. Woods, T. N., G. J. Rottman, and O. R. White, UARS SOLSTICE instrument: 1. in-flight calibrations and validation progress, Am. Geophy. Union, 73 (43), 106, 1992. Rottman, G. J., T. N. Woods, and O. R. White, UARS SOLSTICE instrument: 2. measurement of solar UV irradiance and its variability, Am. Geophy. Union, 73 (43), 105, 1992. White, O. R., G. J. Rottman, and T. N. Woods, UARS SOLSTICE instrument: 3. state of the Sun during the UARS mission, Oct '91 to Dec '92, Am. Geophy. Union, 73 (43), 105, 1992. Worden, J, T. N. Woods, G. J. Rottman, S. C. Solomon, G. Schmidtke, Observed solar cycle variability of the solar EUV irradiance, Am. Geophy. Union, 73 (43), 436, 1992. Woods, T. N., G. Schmidtke, J. Worden, H. Doll, S. C. Solomon, K. Tobiska, and G. J. Rottman, Recent results of solar EUV irradiance research, STEP Symposium / COSPAR Colloquium, p. 35, Aug 1992. Bailey, S., T. N. Woods, S. C. Solomon, and G. J. Rottman, The Solar EUV irradiance comparison experiment, EOS Transactions, Am. Geophy. Union, 73 (14), 225, 1992. 36 Rottman, G. J. and T. N. Woods, Solar ultraviolet irradiance measured by the UARS SOLSTICE beginning in October 1991, EOS Transactions, Am. Geophy. Union , 73 (14), 225, 1992. Schmidtke, H. Doll, C. Wita, T. Woods, J. Worden, S. C. Solomon, and G. J. Rottman, Solar EUV irradiance variability measured by the San Marco ASSI, Annales Geophysicae, 10 (III), C-369, 1992. Woods, T. N. and G. J. Rottman, Preliminary solar UV spectral irradiance results from UARS SOLSTICE, Annales Geophysicae, 10 (III), C-369, 1992. Woods, T. N. and G. J. Rottman, Preliminary Solar UV irradiance results from UARS SOLSTICE, European Geophysical Society Meeting, April 1992. Schmidtke, G., T. Woods, H. Doll, S. C. Solomon, J. Worden, C. Wita, and G. Rottman, Solar EUV irradiance variability measured by the San Marco ASSI: calibrations and results, IAGA, 1991. Woods, T. N. and G. J. Rottman, The SOLar STellar Irradiance Comparison Experiment, EOS Transactions, Am. Geophy. Union, 72 (17), 223, 1991. Woods, T. N. and G. J. Rottman, The SOLar STellar Irradiance Comparison Experiment, Am. Astr. Soc. Solar Physics Div. Twenty-First Meeting Bull., 68, 1991. Woods, T. N, Review of recent and future solar EUV spectral irradiance measurements (INVITED), EOS Transactions, Am. Geophy. Union, 71 (43), 1484, 1990. Woods, T. N. and G. J. Rottman, Comparison of solar EUV absorption profiles derived from recent sounding rocket measurements to those using the MSIS atmospheric model and laboratory cross sections, COSPAR XXVIII, Symposium on Solar-Terrestrial Physics, Session 1.2, Paper P10, 1990. Woods, T. N. and G. J. Rottman, Observed solar EUV spectral irradiance during solar cycle 22, EOS Transactions, Am. Geophy. Union, 70 (43), 1259, 1989. Woods, T. N., Feldman, P. D., and Dymond, K. F., Electron impact processes in the coma of comet Halley, Bull. Am. Astr. Soc., 19 (3), 881, 1987. Dymond, K. F., Feldman, P. D., and Woods, T. N., Ultraviolet spectroscopy of comet Halley, Bull. Am. Astr. Soc., 19 (3), 880, 1987. Woods, T., Feldman, P., Dymond, K., and Sahnow, D., Two-dimensional intensified array detector for the UV, Proc. of Eighth Workshop on the Vacuum UV Radiometric Calibration of Space Experiments, Boulder, II-2, 10 pages, 1987. Woods, T. N., Feldman, P. D., and Dymond, K. F., Rocket ultraviolet spectroscopy of comet Halley: velocity of oxygen in the coma, Bull. Am. Astr. Soc., 18 (3), 795, 1986. 37 Feldman, P. D., Weaver, H. A., Woods, T. N., A'Hearn, M. F., and McFadden, L. A., , The 1819 March 1986 outburst of comet Halley as observed by the IUE, Bull. Am. Astr. Soc., 18 (3), 795, 1986. Woods, T. N., Feldman, P. D., and Bruner, G. H., Absolute stellar flux measurements in the extreme ultraviolet, Bull. Am. Astr. Soc., 16, 492, 1984. 38