GREGORY STEWART OKIN
Department of Geography
1255 Bunche Hall
University of California
Los Angeles, CA 90095
E-mail: okin@ucla.edu
Tel: (310) 825-1071
Fax: (310) 206-5976
EDUCATION
Postdoctoral Research: Department of Geography, University of California,
Santa Barbara, Mentor: Oliver A. Chadwick
Ph.D. Geochemistry, California Institute of Technology
Wind-Driven Desertification: Process Modeling, Remote Monitoring, and
Forecasting. Thesis Advisors: Bruce Murray, William H. Schlesinger.
M.S. Geology, California Institute of Technology
B.A. Chemistry & Philosophy (Double Major), Middlebury College
2001-2002
2001
1997
1995
APPOINTMENTS AND POSITIONS
Professor, Department of Geography, UCLA
Professor, Institute of the Environment and Sustainability, UCLA
Member, Editorial Board, Ecosphere
Editor, Reviews of Geophysics
Associate Professor, Department of Geography, UCLA
Assistant Professor, Department of Geography, UCLA
Assistant Professor, Dept. of Environmental Sciences, University of Virginia
University of California, Santa Barbara, Dept. of Geography, Postdoctoral Researcher
California Institute of Technology, Div. of Geol. and Plan. Sci., Graduate Student
Middlebury College, Undergraduate Student Researcher
University of Denver, Dept. of Chemistry, Undergraduate Researcher
GRANTS AND CONTRACTS
University of California, Los Angeles (2006-present)
Fundamental advances in predicting aeolian transport: moving beyond the fluid threshold
and precipitation control paradigms. Co-PI (with Kok). Total Grant: $395,000
Using HyspIRI to identify benthic composition and bleaching in shallow coral reef
ecosystems. Co-I (PI: Cavanaugh). Total Grant $195,000
LTER: Long-Term Research at the Jornada Basin (LTER-VI) (NMSU). Long term
ecological research on desert dynamics. PI: Peters. Total Grant: $5.88M
Collaborative Research: A potential new dust source in the Southern Hemisphere:
Reactivation of the Kalahari dunes (UCLA with UVA). Grant to study causes of dune
mobility and dust emission in the southern Kalahari. PI: Okin (with D’Odorico).
Total Grant: $567,000 + $19,500 REU Supplement.
Relationship between Dust Activity and Coccidioidomycosis in California and Arizona.
(UCLA). Grant to study the Valley Fever and dust emission in the Southwestern US.
PI: Okin (with Shafir). Total Grant: $25,000.
2011 – Present
2014 – Present
2012 – Present
2010 – Present
2008 – 2011
2006 – 2008
2002 – 2006
2001 – 2002
1995 – 2001
1994 – 1995
1994 – 1995
-Gregory S. OkinMultiscale Effects of Fire on Long-Term Climate and Precipitation. (NASA). Grant to
study the effect of fire regimes in savannas on regional climate and precipitation. PI:
Okin. Total Grant: $1.14M.
Critical Activities for Creation of an Ecosystem Phenology Product from Hyspiri.
(NASA). Grant to study effect of sensor noise on retrieval of nonphotosynthetic
vegetation from hyperspectral sensors. PI: Okin. Total Grant: $90,500.
Integrated Hydrologic Response to Extreme Dust Deposition to the Snow Cover of the
Colorado River Basin. (NASA). Grant to study the effect of dust on snow melt and
hydrology of the Colorado River Basin. Co-Investigator. PI: Painter. Total Grant:
$1.4M.
Vine Responses to Water Deficit: A multidisciplinary study including plant physiology,
metabolism, and spectroscopy. (Sol Leshin Program for Collaboration between UCLA
and BGU in Plant Sciences & Social Sciences &Humanities). Grant to study impacts
of drought on wine grape vines. PI: Okin. Total Grant: $23,557.
The Role of Herbaceous Plant Communities in the Maintenance of Shrub Patches.
(International Arid Lands Consortium). Grant to study shrub patch dynamics in arid
lands. Co-Investigator PI: Boeken. Total Grant: $85,000.
Jornada Basin LTER V: Landscape Linkages in Arid and Semiarid Ecosystems. (NSFLTER). Current NSF Long Term Ecological Research grant to study desertification
and remediation processes in the Chihuahuan Desert. Co-Investigator. PI: Peters.
Total Grant: $4.92M.
The Effect of Sandblasting on Desert Plant Physiology. (Sol Leshin Program for
Collaboration between UCLA and BGU in Plant Sciences & Social Sciences
&Humanities) Grant with Haim Tsoar of Ben Gurion University to conduct
experiments on sandblasting of US and Israeli plant species. PI: Okin. Total Grant:
$25,000.
Determining rates of dust emission and wind erosion on US Rangelands: A National
Assessment. (National Resource Conservation Service) Grant to conduct field
measurements for calibration of a wind erosion model. PI: Okin. Total Grant:
$340,000 to date.
Distribution and Dynamics of Belowground Carbon in Savannas. (NSF-DEB). Grant to
study belowground carbon in the Kalahari Desert of Botswana. PI: Okin. Total
Grant: $700,000. Additional REU and RET supplement in 2008. Additional REU
supplement in 2008-2010.
Quantifying feedbacks between groundwater decline, wind erosion, and ecological change
in desert vegetation. (NSF-EAR). Grant to study vegetation change and wind erosion
associated with groundwater decline in the Owens Valley of California. PI: Elmore.
Total Grant ~$450,000.
Field spectroscopy in support of aeolian geomorphology, snow hydrology, and teaching
at UCLA. (NSF-EAR). Grant to acquire an ASD FieldSpec portable
spectroradiometer and accessories. PI: Okin. Total Grant: $89,000.
Dust Hotspots: An advanced method for characterizing desert dust sources. (UCLA
FRG). Grant to use LIDAR to detect patterns of dust emission in the Chihuahuan
Desert. PI: Okin. Total Grant: $10,000.
University of Virginia (2002 – 2006)
Page 2 of 14
-Gregory S. OkinRemote Spectral Identification of Human Activities. (DOD) Grant to study the spectral
signature of human activities in arid and semiarid environments with the purpose of
improving remote intelligence. Grant supports UVA Ph.D. student and UCLA
visiting student Cheney Shreve. PI: Okin (2005-2006), Fuentes (2006-2008). Total
Grant to date: $70,000.
The Role of Wind Erosion in Ecosystem Change in Desert Grasslands. (NSF-DEB
Ecosystem Studies) Grant to measure and model the effects of wind on nutrient loss
and vegetation change in grasslands of the Southwest. PI: Okin. Total Grant: $500,
000. Includes REU Supplemental Grant in 2006.
Hydrological and nutrient controls on the structure and function of southern African
savannas: A multi-scale approach. (NASA-IDS) Grant to assess the feedback and
stability of interactions in the savanna ecosystems of southern Africa. CoInvestigator. PI: Shugart. Total Grant: $900,000
Feedbacks between vegetation change and dust emission in deserts: a novel
observational approach. (UVA Fund for Excellence in Science and Technology)
Grant to assess the use of LIDAR for landscape-scale analysis of wind erosion and
dust emission. PI: Okin. Total Grant: $50,000
Planning Visit: Nutrient, hydrologic, and physiological controls on belowground
productivity and carbon sequestration in Kalahari savanna ecosystems. Funds for
visit to Botswana for planning of savanna carbon sequestration proposal. PI: Okin.
Total funds: $22,000.
California Institute of Technology, Graduate Student (1995 – 2001)
Supercomputing Visualization Workbench. (Caltech President's Fund) Grant to develop
high-performance imaging spectrometer data analysis tools. Principal grant author
and research leader. PI: Murray.
Time Critical Observations for Arid Region Greening. (NASA-OES) Grant to collect
and analyze AVIRIS data and field spectra. Principal grant author and research
leader. PI: Murray.
Page 3 of 14
2006-2008
2003-2006
2004-2007
2005-2006
2005-2006
1998-1999
1997-1998
FELLOWSHIPS AND AWARDS
Visiting Professor, The Fredy & Nadine Hermann Institute of Earth Sciences
The Hebrew University of Jerusalem
Editors’ Citation for Excellence in Refereeing for JGR-Atmospheres
UCLA Academic Advancement Program Faculty Appreciation Award
NASA Earth Sciences Enterprise Fellowship
Koons Fellowship in Geological and Planetary Sciences
Conoco Fellowship in Geological and Planetary Science
Valedictorian, Middlebury College Class of 1995
Junior Phi Beta Kappa
NSF REU Fellowship, University of Denver
POPULAR PRESS AND PUBLIC REPORTS
“The Science of Interstellar” Science documentary accompanying the movie Interstellar in
which Professor Okin discusses dust storms and the possibility of future Dust Bowls.
The Atmospheric Input of Chemicals to the Ocean - 2012 publication by the Joint Group
of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP)
based on the GESAMP 38 Working Group’s research.
2015
2008
2008
1998-2000
1998
1995-1996
1995
1994
1994
-Gregory S. Okin“Jornada winds: Can they help re-establish NM grasslands?” Article in Las Cruces – Sun
News profiling Professor Okin’s aeolian research at the Jornada LTER site. April 30,
2012
“Return of the Dust Bowl” - October, 2011 cover article in Earth Magazine discussing the
potential for future increases in dust emission in the American West.
RCA Appraisal: Soil and Water Resources Conservation Act Appraisal, 2011. Results from
the Okin (2008) aeolian transport model included in USDA report to Congress on the
state of the Nation’s soil and water resources.
“Turning To Dust”, Discover Magazine article by Michael Tennesen examining the effect
of ecosystem change on global dust production and the consequences of dust deposition
to the world’s ecosystems. Published May, 2010.
“Future Earth: 2025”, MSNBC program examining possible threats to the world’s water
supply from global warming and population growth, as well as what may result from a
global water crisis by 2025, including dust bowls, flooding, wildfires and wars. Original
Air Date: December, 2009.
Page 4 of 14
OTHER RESEARCH EXPERIENCE
Middlebury College, Undergraduate Student (1991 – 1995)
Variable-Field Variable-Temperature Magnetic Circular Dichroism of Co(II) Monomers
and Dimers. Undergraduate Chemistry Thesis. PI: Larrabee.
1994-1995
University of Denver, Undergraduate Researcher (1994 – 1995)
Laser-induced emission from NFCl radicals isolated in low-temperature argon matrices.
Summer Research. Mentor: Gilbert.
1994-1995
PUBLICATIONS (100 Total Peer Reviewed)
Selected Journal Articles Submitted or In Preparation
Shao, Y., W. Nickling, G. Bergametti, H. Butler. A. Chappell, P. Findlate, J. Gillies, M. Ishizuka, M. Klose, J.
Kok, J. Leys, H. Lu, B. Marticorena, G. McTainsh, C. McKenna-Neuman, G. Okin, C. Strong, N. Webb.
A Tribute to Michael R. Raupach for Contributions to Aeolian Fluid Dynamics, Aeolian Research,
Submitted.
Peer-Reviewed Journal Articles and Articles in Press
Kailiang, Y., P. D'Odorico, A. Bhattachan, G.S. Okin, A.T. Evan, Dust-rainfall feedbacks in West-African
Sahel, Geophysical Research Letters, in press.
O'Donnell, F.C., K. K. Caylor, A. Bhattachan, K. Dintwe, P. D'Odorico, G.S. Okin, A quantitative
description of the interspecies diversity of belowground structure in savanna woody plants, Ecosphere, v.
6, art. 154, doi: 10.1890/ES14-00310.1.
Okin, G.S., J. Gu, 2015, The impact of atmospheric conditions and instrument noise on atmospheric
correction and spectral mixture analysis of multispectral imagery, Remote Sensing of Environment, v. 164 pp.
130-141.
Meyer, T., G.S. Okin, 2015, Evaluation of spectral unmixing techniques using MODIS in a structurally
complex savanna environment for retrieval of green vegetation, nonphotosynthetic vegetation, and soil
fractional cover, Remote Sensing of Environment, v. 116, pp. 122-130.
De Sales, F., Y. Xue, G.S. Okin, 2015, Impact of burned areas on the northern African seasonal climate
from the perspective of regional modeling, Climate Dynamics, online first, doi: 10.1007/s00382-015-2522-4
-Gregory S. Okin-
Page 5 of 14
Rachal, D.M., G.S. Okin, C. Alexander, J.E. Herrick, D.P. Peters, 2015, Modifying landscape connectivity by
reducing wind driven sediment redistribution, Northern Chihuahuan Desert, USA. Aeolian Research, v. 17.
129-137.
Bhattachan, A., P. D’Odorico, G.S. Okin, 2015, Biogeochemistry of dust sources in Southern Africa, Journal of Arid
Environments, v. 17, pp 18-27.
Okin, G.S., M. Moreno-de las Heras, P.M. Saco, H.L. Throop, E.R. Vivoni, A.J. Parsons, J. Wainwright, D.P.C.
Peters, 2015, Connectivity in dryland landscapes: shifting concepts of spatial interactions. Frontiers in Ecology and
the Environment, 13 (1), 20-27. doi: 10.1890/140163.
Bestelmeyer, B.T., G.S. Okin, M.C. Duniway, S.R. Archer, N.F. Sayre, J.C. Williamson, J.E. Herrick, 2015,
Desertification, land use, and the transformation of global drylands, Frontiers in Ecology and the Environment,
13 (1), 28-36. doi: 10.1890/140162/
Dintwe, K., G.S. Okin, P. D’Odorico, T. Hrast, N. Mladenov, A. Handorean, A. Bhattachan, K.K. Caylor,
2014, Soil Organic Carbon and Total Nitrogen Pools in the Kalahari: Potential Impacts of Climate
Change on Carbon Sequestration, Plant and Soil, Online First, DOI: 10.1007/s11104-014-2292-5.
Li, J., G.S. Okin, J. Tatarko, J.E. Herrick, 2014, Consistency of wind erosion assessments across land use
and land cover types: a critical analysis, Journal of Aeolian Research, v. 15, pp. 253-260.
Webb, N.P., G.S. Okin, S. Brown, 2014, The effect of roughness elements on wind erosion: the importance
of surface shear stress distribution, Journal of Geophysical Research – Atmospheres, v. 119, pp. 6066-6084,
doi:10.1002/2014JD021491.
Mishra, N.B., K.A. Crews, G.S. Okin, 2014, Relating Spatial Patterns of Fractional Land Cover to Savanna
Vegetation Morphology using Multi-scale Remote Sensing in the Central Kalahari, International Journal of
Remote Sensing, v. 35(6), pp. 2082-2104. DOI:10.1080/01431161.2014.885666
Stewart, J., A. J. Parsons, J. Wainwright, G. S. Okin, B. T. Bestelmeyer, E. L. Fredrickson, and W. H.
Schlesinger, 2014, Modeling emergent patterns of dynamic desert ecosystems. Ecological Monographs, v. 84,
pp. 373-410.
Bhattachan, A., P. D’Odorico, K. Dintwe, G.S. Okin, S.L. Collins, 2014, Resilience and recovery potential
of duneland vegetation in the southern Kalahari, Ecosphere, v. 5 (1), 2.
Meyer, T., P. D'Odorico, G. S. Okin, H. H. Shugart, K. K. Caylor, F. C. O'Donnell, A. Bhattachan, and K. Dintwe.
2014. An analysis of structure: Biomass structure relationships for characteristic species of the western Kalahari,
Botswana. African Journal of Ecology v. 52, pp. 20-29.
Li, J., G.S. Okin, S.M. Skiles, T.H. Painter, 2013, Relating variation of dust on snow to bare soil dynamics in
the western United States, Environmental Research Letters, v. 8, 044054.
Bhattachan, A., P. D'Odorico, K. Dintwe, and G. S. Okin. 2013. Potential dust emissions from the southern
Kalahari’s duneland. Journal of Geophysical Research Earth Surface v. 118, p. 128.
Rachal, D. M., H. C. Monger, G. S. Okin, and D. C. Peters. 2012. Landform influences on the resistance of
grasslands to shrub encroachment, northern Chihuahuan Desert, USA. Journal of Maps v. 8, pp. 507-513.
Vest, K.R., A.J. Elmore, J.M. Kaste, G.S. Okin, J. Li, 2013, Estimating total horizontal aeolian flux within
shrub-invaded groundwater dependent meadows using empirical and mechanistic models. Journal of
Geophysical Research-Earth Surface, v. 118, 1132-1146, DOI: 10.1002/jgrf.20048.
Li, J., G.S. Okin, J.E. Herrick, J. Belnap, M.E. Miller, K. Vest, A.E. Draut, 2013, Evaluation of a new model
of aeolian transport in the presence of vegetation. Journal of Geophysical Research-Earth Surface. v. 118, 288306, doi: 10.1002/jgrf.20040.
Okin, G.S., K.D. Clarke, M.M. Lewis, 2013, Comparison of methods for estimation of absolute vegetation
and soil fractional cover using MODIS Normalized BRDF-Adjusted Reflectance Data. Remote Sensing of
Environment, v. 130, 266-279, 10.1016/j.rse.2012.11.021.
Wang, L., G.S. Okin, P. D’Odorico, K.K. Caylor, S.A. Macko, 2013, Ecosystem-scale spatial heterogeneity
of stable isotopes of soil nitrogen in African savannas, Landscape Ecology, v. 28, 685–698, DOI:
10.1007/s10980-012-9776-6.
Hewins, D.B., S.R. Archer, G.S. Okin, R.L. McCulley, H.L. Throop, 2012, Soil-litter mixing accelerates
-Gregory S. OkinPage 6 of 14
decomposition in a Chihuahuan Desert grassland, Ecosystems, v. 16, pp 183-195. DOI: 10.1007/s10021012-9604-5.
Kanakidou, M., R. Duce, J. Prospero, A.R. Baker, C. Benitez-Nelson, F.J. Dentener, K.A. Hunter, P.S. Liss,
N. Mahowald, G.S. Okin, M. Sarin, K. Tsigaridis, M. Uematsu, L. M. Zamora, T. Zhu, 2012,
Atmospheric fluxes of organic N and P to the global ocean, Global Biogeochemical Cycles, v. 26, GB3026,
DOI: 0.1029/2011GB004277.
Wang, L., M. Katjiua, P. D’Odorico, G.S. Okin. 2012. The interactive nutrient and water effects on
vegetation biomass at two African savanna sites with different mean annual precipitation, African Journal
of Ecology. v. 50, p 446-454. DOI: 10.1111/j.1365-2028.2012.01339.x.
Bhattachan, A., K. Dintwe, Tatlhego, M., K.K. Caylor, F.C. O’Donnell, G.S. Okin, D.O. Perrot, S.
Ringrose, P. D’Odorico. 2012. Evaluating ecohydrological theories of woody root distribution in the
Kalahari. PLoS One. V. 7(3) e33996. doi:10.1371/journal.pone.0033996.
D’Odorico, P., G.S. Okin. B.T. Bestelmeyer, 2012, A synthetic review of feedbacks and drivers of shrub
encroachment in arid grasslands, Ecohydrology v. 5, 520-530. DOI: 10.1002/eco.259.
Bhattachan, A., P. D’Odorico, M.C. Baddock, T.M. Zobeck, G.S. Okin, N. Cassar. 2012. The Southern
Kalahari: A potential new dust source in the southern hemisphere? Environmental Research Letters, v. 7(2),
024001, doi: 10.1088/1748-9326/7/2/024001.
Alvarez, L., H.E. Epstein, J. Li, G.S. Okin. 2012 Aeolian process effects on vegetation communities in an
arid grassland ecosystem, Ecology and Evolution, v. 2(4), pp 809-821, doi: 10.1002/ece3.205.
O’Connell, M., H.H. Shugart, G.S. Okin, 2012, Measurement and monitoring of barrier island forest
sensitivity to ecohydrological change using lidar remote sensing, Journal of Coastal Research, v. 28 (4), 793810. doi: 10.2112/JCOASTRES-D-10-00109.1.
Turnbull, L., B.P. Wilcox, J. Belnap, S. Ravi, P. D’Odorico, D. Childers, W. Gwenzi, G. Okin, J.
Wainwright, K. Caylor, T. Sankey. 2012. Understanding the role of ecohydrological feedbacks in
ecosystem-state change in drylands. Ecohydrology, v. 5, pp 174-183, doi:10.1002/eco.265.
Hunter, K. et al., 2011, Impacts of anthropogenic SOx, NOx and NH3 on acidification of coastal waters and
shipping lanes, Geophysical Research Letters, v. 38, L13602, doi:10.1029/2011GL047720.
Alvarez, L. J., H. E. Epstein, J. Li, and G. S. Okin, 2011, Spatial patterns of grasses and shrubs in an arid
grassland environment, Ecosphere, v. 2(9), art103.
Kaste, J.M., A.J. Elmore, K. Vest, and G.S. Okin, 2011, Beryllium-7 in soils and vegetation along an arid
precipitation gradient in Owens Valley, California, Geophysical Research Letters v.38, L09401,
doi:10.1029/2011GL047242.
Okin, G.S, J.E. Bullard, R.L. Reynolds, J.A.C. Ballantine, K. Schepanski, M.C. Todd, J. Belnap, M.C.
Baddock, T.E. Gill, M.E. Miller. 2011. Dust: small-scale processes with global consequences. EOS
Transactions of the American Geophysical Union, v. 92(29) pp 241-242, doi: 10.1029/2011EO290001.
Ravi, S., P. D’Odorico, D. D. Breshears, J.P. Field, A.S. Goudie, T.E. Huxman, J. Li, G.S. Okin, R.J. Swap,
A.D. Thomas, S. van Pelt, J.J. Whicker, T.M. Zobeck, 2011, Aeolian processes and the biosphere, Reviews
of Geophysics v.49, RG3001, doi: 10.1029/2010RG000328.
Okin, G.S., A.R Baker, I. Tegen, N.M. Mahowald, F.J. Dentener, R.A. Duce, J.N. Galloway, K.A. Hunter,
M. Kanakidou, N. Kubilay, J.M. Prospero, M.M. Sarin, V. Surapipith, M. Uematsu, T. Zhu, 2011,
Impacts of atmospheric nutrient deposition on marine productivity: roles of nitrogen, phosphorus, and
iron, Global Biogoechemical Cycles. v. 25, GB2022, doi: 10.1029/2010GB003858.
Munson, S.M., Belnap, J., Okin, G.S., 2011, The responses of wind erosion to climate induced vegetation
changes on the Colorado Plateau, Proceedings of the National Academy of Sciences, v. 108, 3854-3859.
Pau, Stephanie, G.S. Okin, T.W. Gillespie, 2010, Asynchronous Response of Tropical Forest Leaf
Phenology to Seasonal and El Niño-driven Drought, PLoS ONE. v.5, e11325.
Li, J., G.S. Okin, J.E. Herrick, J. Belnap, S.M. Munson, M.E. Miller, 2010 A simple method to estimate threshold
friction velocity of wind erosion in the field, Geophysical Research Letters, v. 37, L10402.
Myint, S. W., A. J. Brazel, G. S. Okin, and A. Buyantuyev. 2010. Combined effects of impervious surface and
-Gregory S. OkinPage 7 of 14
vegetation cover on air temperature variations in a rapidly expanding desert city. GIScience & Remote Sensing v. 47,
pp. 301-320.
Okin, G.S., 2010. The contribution of brown vegetation to vegetation dynamics, Ecology, v. 91, pp. 743-755.
Estes, L.D., P.R. Reillo, A.G. Mwangi, G.S. Okin, H.H. Shugart, 2010, Remote sensing of forest structural
complexity indices or habitat and species distribution modeling, Remote Sensing of Environment, 14, p. 792804.
Field, J.P., J. Belnap, D.D. Breshears, J.C. Neff, G.S. Okin, J.J. Whicker, T.H Painter, S. Ravi, M.C. Reheis,
R.L. Reynolds, 2009, The ecology of dust: local- to global-scale terrestrial perspectives, Frontiers in Ecology
and the Environment. v. 8, p 423-430. doi: 10.1890/090050.
Li, J., G.S. Okin, H.E. Epstein, 2009, Effects of enhanced wind erosion on surface soil texture and
characteristics of windblown sediments, Journal of Geophysical Research-Biogeosciences, 114.
Ravi, S., P. D'Odorico, L. Wang, C. White, G.S. Okin, S.A. Macko, S. Collins, 2009, Post-fire resource
redistribution in desert grasslands: A possible negative feedback on land degradation, Ecosystems, 12(3):
434-444.
Shreve, C.M., G.S. Okin, T.H. Painter, 2009, Introduction of a new optical snow index and validation of
optical snow indices for estimating fractional snow cover in the Western Tibetan Plateau. Journal of
Glaciology, 55(192): 737-745.
Li, J., G.S. Okin, L.J. Alvarez, and H.E. Epstein, 2009, Sediment deposition and soil nutrient heterogeneity
in two desert grassland ecosystems, southern New Mexico, Plant and Soil, 319(1-2): 67-84.
Wang, L., P. D’Odorico, G.S. Okin, S. Macko, 2009, Isotopic composition and anion chemistry of soil
profiles along the Kalahari Transect, Journal of Arid Environments, 73(4-5): 480-486.
Wang, L., Okin, G.S., Macko, S.A., 2009, Satellite prediction of soil δ13C distributions in a southern African
savanna, Journal of Geochemical Exploration, 102, 137-141.
Gu, J., X. Li, C. Huang, G.S. Okin, 2009, A simplified data assimilation method for reconstructing timeseries MODIS NDVI data, Advances in Space Research, 44, 501-509.
Wang, L., G.S. Okin, K. K. Caylor, S. Macko, 2009, Spatial heterogeneity and sources of soil carbon in
southern African savannas, Geoderma, 149, 402-408.
Okin, G. S., P. D'Odorico, and S. R. Archer, 2009, Impact of feedbacks on Chihuahuan desert grasslands:
Transience and metastability, Journal Geophysical Research - Biogeosciences, 114, G01004,
doi:10.1029/2008JG000833.
Okin, G.S. A.J. Parsons, J. Wainwright, J.E. Herrick, B.T. Bestelmeyer, D.P.C. Peters, and E.L. Fredrickson,
2009, Do changes in connectivity explain desertification? BioScience, 59 (3): 237-244.
Mahowald, N., T.D. Jickells, A.R. Baker, P. Artaxo, C.R. Benitez-Nelson, G. Bergametti, T.C. Bond, Y.
Chen, D.D. Cohen, B. Herut, N. Kubilay, R. Losno, C. Luo, W. Maenhaut, K.A. McGee, G.S. Okin, R.L.
Siefert, S. Tsukuda, 2008. The global distribution of atmospheric phosphorus deposition and
anthropogenic impacts, Global Biogeochemical Cycles. 22, GB4026, 10.1029/2008GB003240.
Myint, S., G.S. Okin, 2009, Modeling urban land covers using multiple endmember spectral mixture analysis,
International Journal of Remote Sensing. 30(9) p. 2237-2257.
Elmore, A.J., J.M. Kaste, G.S. Okin, M.S. Fantle, 2008. Groundwater influences on atmospheric dust
generation in deserts, Journal of Arid Environments, 72(10), 1753-1756.
Marshall, J.D., J.M Blair, D.P.C. Peters, G.S. Okin, A. Rango, M. Williams, 2008, Predicting and
understanding ecosystem responses to climate change at continental scales, Frontiers in Ecology and the
Environment, 6(5) pp 273-280. doi: 10.1890/070165
Li, J., G.S. Okin, L.J. Alvarez, and H.E. Epstein, 2008, Effects of wind erosion on the spatial heterogeneity
of soil nutrients in two desert grassland communities, Biogeochemistry, 8(1) pp. 73-88, 10.1007/s10533-0089195-6.
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Okin, G.S., N. Mladenov, L. Wang, D. Cassel, K. K. Caylor, and S. Ringrose, 2008, Spatial patterns of soil
nutrients in two southern African savannas, Journal of Geophysical Research-Biogeosciences, 113:G02011.
Estes, L.D., G.S. Okin, A.G. Mwangi, H.H. Shugart, 2008, Habitat selection by a rare forest antelope: A
multi-scale approach combining field data and imagery from three sensors, Remote Sensing of Environment,
112: 2033-2050.
Okin, G. S., 2008, A new model of wind erosion in the presence of vegetation, Journal of Geophysical
Research-Earth Surface, 113, F02S10, doi:10.1029/2007JF000758.
Ravi, S., D’Odorico, P., and G.S. Okin, 2007, Hydrologic and aeolian controls on vegetation patterns in arid
landscapes, Geophysical Research Letters, 34, L24S23, doi:10.1029/2007GL031023.
D’Odorico, P., K.K. Caylor, G.S. Okin, T.M. Scanlon, 2007, On soil moisture-vegetation feedbacks in
dryland plant ecosystems, JGR-Biogeosciences, 112, G04010, DOI: 10.1029/2006JG000379
Li, J., G.S. Okin, L.J. Alvarez, and H.E. Epstein, 2007, Quantitative assessment of wind erosion and soil
nutrient loss in desert grasslands of the southwestern United States, Biogeochemistry, 10.1007/s10533-0079142-y, 85(3) 317-332.
Diekmann, L., D. Lawrence, and G.S. Okin, 2007. Changes in the spatial variation of soil properties
following shifting cultivation in a Mexican dry tropical forest, Biogeochemistry, 10.1007/s10533-007-9107-1.
Okin, G.S., 2007, Relative Spectral Mixture Analysis - a multitemporal index of total vegetation cover,
Remote Sensing of Environment, 106(4), 467-479.
Wang, L., G.S. Okin, J. Wang, H.E. Epstein, and S. Macko, 2007, Predicting 15N concentration from
Reflectance Spectra (400-2500 nm) at Leaf and Canopy Scales, Geophysical Research Letters, 35, L02401,
doi:10.1029/2006GL028506
Scull, P. and G.S. Okin, 2007, Sampling challenges posed by continental scale soil landscape modeling,
Science of the Total Environment, 372, 645-656.
McGlynn, I.O., and G.S. Okin, 2006, Characterization of shrub distribution using high spatial resolution remote
sensing: ecosystem implication for a former Chihuahuan Desert grassland. Remote Sensing of Environment, 101, 554566.
Ravi, S., T.M. Zobeck, T.M. Over, G.S. Okin, and P. D’Odorico, 2006, On the effect of wet bonding forces
in air-dry soils on threshold friction velocity of wind erosion, Sedimentology, doi: 10.1111/j.13653091.2006.00775.x,
Okin, G.S., D.A. Gillette, and J.E. Herrick, 2006, Multi-scale controls on and consequences of aeolian
processes in landscape change in arid and semiarid environments, Journal of Arid Environments, 65, 253275.
Mahowald N.M, P.E. Artaxo, A.R. Baker, D. Jickells, G.S. Okin, J.T. Randerson, and A.R. Townsend, 2005.
Impacts of biomass burning emissions and land use on Amazonian atmospheric phosphorus cycling and
deposition, Global Biogeochemical Cycles, 19, No. 4, GB4030, 10.1029/2005GB002541.
Scull, P., G. Okin, O.A. Chadwick, and J. Franklin, 2005. A comparison of methods to predict soil surface
texture in an alluvial basin, Professional Geographer, 57(3), 423-437.
Ballantine, J.A.C., G. S. Okin, D.E. Prentiss, and D.A. Roberts, 2005. Mapping North African landforms
using continental-scale unmixing of MODIS imagery, Remote Sensing of Environment, 47(4) 470-483.
Okin, G.S., 2005. Dependence of wind erosion on surface heterogeneity, Journal of Geophysical Research, 110,
D11208.
Okin, G.S., and T.H. Painter, 2004, Effect of grain size on spectral reflectance of sandy desert surfaces,
Remote Sensing of Environment, 89(3) pp 272-280.
Okin, G.S., N. M. Mahowald, O.A. Chadwick, P.E. Artaxo, 2004, The impact of desert dust on the
biogeochemistry of phosphorus in terrestrial ecosystems, Global Biogeochemical Cycles, 18(2),
10.1029/2003GB002145.
-Gregory S. OkinPage 9 of 14
Okin, G.S., and M.C. Reheis, 2002, An ENSO predictor of wind erosion and dust emission in the southwest
United States: Geophysical Research Letters. V 29, no. 9. 10.1029/2001GL014494.
Okin, G.S., W.J. Okin, B. Murray, and D.A. Roberts, 2001, Practical limits on hyperspectral vegetation
discrimination in arid and semiarid environments: Remote Sensing of Environment, v. 77, 212-225.
Okin, G.S., and D.A. Gillette, 2001, Distribution of vegetation in wind-dominated landscapes: Implications
for wind erosion modeling and landscape processes: Journal of Geophysical Research, v. 106, 9673-9683.
Okin, G.S., W.H. Schlesinger, and B. Murray, 2001, Degradation of Sandy Arid Shrubland Environments:
Observations, process modeling and management implications: Journal of Arid Environments, v. 47, 123144.
Gilbert, J.V., and G.S. Okin, 1995, Laser-induced emission from NFCl radicals isolated in low-temperature
argon matrices, Journal of Physical Chemistry, v. 99, p. 11365-11369.
Larrabee, J.A., C.M. Alessi, E.T. Asiedu, J.O. Cook, K.R. Hoerning, L.J. Klingler, G.S. Okin, S.G. Santee,
and T.L. Volkert, 1997, Magnetic circular dichroism spectroscopy as a probe of geometric and electronic
structure of Cobalt(II)- substituted proteins: Ground-state zero-field splitting as a coordination number
indicator, Journal of the American Chemical Society, v. 119, p. 4182-4196.
Mulinax, R.L., G.S. Okin, and R.D. Coombe, 1995, Gas-Phase synthesis, structure, and dissociation of
boron triazide, Journal of Physical Chemistry, v. 99, p. 6294-6300.
Refereed Book Chapters
Caylor, K.K., G.S. Okin, L. Turnbull, J. Wainwright, T. Wiegand, T. E. Franz, A. J. Parsons, Integrating
short- and long-range processes into models: The emergence of pattern, in Mueller, E.N, J. Wainwright,
A.J Parsons, L. Turnbull, Eds. 2014. Patterns of Land Degradation in Drylands: Understanding SelfOrganised Ecogeomorphic Systems. Springer, Dordrecht, pp 141-170.
Okin G.S. (2013) Linked Aeolian-Vegetation Systems. In: John F. Shroder (ed.) Treatise on
Geomorphology, Volume 11, pp. 428-439. San Diego: Academic Press.
Peters, D.P.C., S.A. Archer, B.T. Bestelmeyer, M.L. Brooks, J.R. Brown, A.C. Comrie, H.R. Gimblett, J.H.
Goldstein, K.M. Havstad, L. López-Hoffman, H.C. Monger, G.S. Okin, A. Rango, O.E. Sala, C.E.
Tweedie, E.R. Vivoni. Desertification of rangelands. Pages 239-258 in T.R. Seastedt and K.N. Suding,
eds. Volume 4: Vulnerability of Ecosystems to Climate in R.A. Pielke, Sr. Editor-in-Chief. Climate
Vulnerability: Understanding and Addressing Threats to Essential Resources. Elsevier.
Wang, L., G. S. Okin, and S. A. Macko (2010), Remote sensing of nitrogen and carbon isotope
compositions in terrestrial ecosystems, in Isoscapes, edited by J. B. West, G. J. Bowen, T. E. Dawson and
K. P. Tu, pp. 51-70, Springer.
Okin, G.S., 2002, Toward a Unified View of Biophysical Land Degradation Processes in Arid and Semi-arid
Lands, in Global Desertification: Do Humans Cause Deserts? J.F. Reynolds & D.M. Stafford Smith, eds.
Dahlem University Press, Berlin, pp. 95-109.
Robbins, P.F., N. Abel, H. Jiang, M. Mortimore, M. Mulligan, G.S. Okin, D.M. Stafford Smith, B.L. Turner
II, 2002, Desertification at the community scale: sustaining dynamic human-environment systems in
Global Desertification: Do Humans Cause Deserts? J.F. Reynolds & D.M. Stafford Smith, eds. Dahlem
University Press, Berlin, pp. 326-355.
Okin, G.S., B. Murray, and W.H. Schlesinger, 2001, Desertification in an arid shrubland in the southwestern
United States: Process modeling and validation, in Land Degradation: Papers Selected from Contributions to the
Sixth meeting of the International Geographical Union's Commission on Land Degradation and Desertification, Perth,
Western Australia, 20-28 September 1999, pp. 53-70, edited by A. Conacher, Kluwer Academic Publishers,
Dordrecht.
Unrefereed Book Chapters
-Gregory S. OkinPage 10 of 14
Hartley A.E., N. Barger, J. Belnap, G.S. Okin. 2007. Nutrient Cycling in Dryland Ecosystems. In:
Marschner P, Rengel Z (eds) Nutrient Cycling in Terrestrial Ecosystems. Soil Biology Series. Springer
Verlag.
Okin, G.S., and D.A. Gillette, 2004, Modelling wind erosion and dust emission on vegetated surfaces in
Spatial Modelling of the Terrestrial Environment R. Kelly, N. Drake, and S. Barr, eds, John Wiley and Sons, pp.
137-156.
Okin, G.S. and D. A. Roberts, 2004, Remote Sensing in Arid Environments: Challenges and Opportunities,
in Manual of Remote Sensing, Remote Sensing for Natural Resource Management and Environmental Monitoring,
Volume 5, S. Ustin, ed., John Wiley and Sons, New York.
Okin, G. S., W. J. Okin, D. A. Roberts, and B. Murray. 1998. Multiple endmember spectral mixture analysis:
Application to an arid/semi-arid landscape. Pages 97-21 in JPL Airborne Earth Science Workshop.
Okin, W. J., G. S. Okin, D. A. Roberts, and B. Murray. 1999. Multiple endmember spectral mixture analysis:
Endmember choice in an arid shrubland. Pages 99-17 in JPL Airborne Earth Science Workshop.
Okin, G. S. and D. A. Roberts. 2000. Linear unmixing of simulated, noisy spectra: Vegetation detection limits in
areas of low cover. Pages 23-25 in Proceedings of the 2000 AVIRIS Airborne Geoscience Workshop.
Okin, G. S., H. Siegel, J. Collier, G. Miller, W. J. Okin, D. A. Roberts, B. Murray, D. W. Curkendall, and T. H.
Painter. 1999. The supercomputing vizualization workbench for analysis and classification of imaging
spectrometer data. Pages 99-17 in JPL Airborne Earth Science Workshop.
Other Publications
Epstein, H.E., G.S. Okin, J. Li, L.J. Alvarez, 2009 Wind erosion and ecosystem consequences following
vegetation removal in a Chihuahuan Desert grassland, Newsletter of the Global Land Project International Project
Office, n. 5, June 2009, pp. 3 – 4.
SELECTED INVITED PRESENTATIONS
Okin, G.S., P. D’Odorico, State changes arising from wind transport in drylands, American Geophysical Union
Fall Meeting 2013, San Francisco, CA.
Okin, G.S., Spectral Mixture Analysis of Remote Sensing Data, Australian Centre for Ecological Analysis and
Synthesis workshop on Linking national scale remotely sensed ground cover to land management priorities, 4-7 March
2013.
Okin, G.S., D. Rachal, D.P.C. Peters, F. Pillsbury, 2013, Ecosystem feedbacks arising from wind and water
transport in drylands: Results from field experiments and modeling, European Geosciences Union General
Assembly 2013, Vienna, Austria.
Okin, G.S., 2012, The Importance of Desert Dust Transported Long Distances: Ecosystem Effects and
Human Health, Ecological Society of America Annual Meeting, Portland, OR.
Okin, G.S., 2011, Dust: Source processes and sink impacts. Atmospheric and Ocean Sciences, UCLA.
Okin, G.S., D.P.C. Peters, F.C. Pillsbury, M.C. Duniway, J. Yao, H. Huang, 2011, Biotic-abiotic feedbacks in
desertification: a modeling perspective on connectivity, AGU Fall Meeting
D'Odorico, P., A. Bhattachan, T.M. Zobeck, M. Baddock,K. Dintwe and G.S. Okin, 2010, Dust emissions
and dune mobilization in the southern Kalahari: possible effects on biotic-abiotic interactions in the
Earth system, AGU Fall Meeting.
Okin, G.S., New Perspectives on Desertification, June 2010, Ben Gurion University, Institute for Desert
Research.
Li, J., G.S. Okin, J.E. Herrick, J. Belnap, S.M. Munson, M. Miller, A. E. Draut, 2010, Modeling Wind
Erosion on US Rangelands: Application and Model Validation, 16th Wildland Shrub Symposium, USU,
Logan, UT
G.S. Okin, 2009, Response of vegetation cover to drought and fire in arid and semiarid environments, AGU
-Gregory S. Okin-
Page 11 of 14
Fall Meeting.
G.S. Okin, N.M. Mahowald, A.R. Baker, J.N. Galloway, F. Dentener, 2009, Deposition of N, P and Fe to
Terrestrial and Marine Ecosystems, AGU Fall Meeting.
Okin, G.S., New Perspectives on Desertification, August 31, 2009, Univ. Eduardo Mondlane, Dept. of
Forestry Engineering.
Okin, G.S., Connectivity and Ecohydrological Feedbacks in Desertification, AGU Chapman Conference on
Examining Ecohydrological Feedbacks of Landscape Change along Elevation Gradients in Semiarid
Regions, Sun Valley, Idaho, October 5 – 9, 2009.
Okin, G.S. Aeolian Geomorphology: a lesson in scaling, Civil and Environmental Engineering, UCLA,
January 20, 2009.
Okin, G.S. Wind as a geomorphic agent: “Connecting” aeolian studies with hillslope hydrology, January 16,
2009, Smith Lecture Series in the Department of Geological Sciences, University of Michigan, Ann
Arbor, MI.
Wang, L. and G.S. Okin, Earth system understanding through the use of satellite products, April 8-10, 2007,
Isoscapes 2008, Santa Barbara, CA.
Okin, G.S. Deserts as exemplars of the importance of connectivity in geomorphology, February 4, 2008,
UCLA Earth and Space Sciences.
Okin, G.S. Wind erosion in the presence of nonerodible elements, April 12, 2007, Division of Geological
and Planetary Sciences, California Institute of Technology.
Okin, G.S., Transport in a “dead world?” The importance of aeolian processes in desertification, March 9,
2007, Geography Department Seminar, Indiana University, Bloomington, IN.
Okin, G.S., Wind erosion in the presence of vegetation, February 9, 2007, Geology Department seminar,
University of Texas, El Paso, TX.
Okin, G.S., Wind erosion feedbacks to desertification, February 8, 2007, Earth System seminar, University
of Texas, El Paso, TX.
Okin, G.S. Aeolian processes in deserts, UCLA Eos Seminar, November 13, 2007, Los Angeles, CA.
Okin, G.S., Aeolian processes can create islands of fertility, Jornada LTER Research Symposium, July 13,
2006, Las Cruces, NM.
Okin, G.S., J. Li, L Hartman, H.E. Epstein, Impact of Aeolian Processes on Soil Surface Resource
Distribution, AAG Annual Meeting, 2006.
Mahowald, N., D. Muhs, S. Levis, M. Yoshioka, P. Rasch, C. Zender, G. Okin, and T. Painter, Deposition
changes in the past and the future, AGU Fall Meeting, 2005.
Mladenov, N., G. S. Okin, D. Cassel, and K.K. Caylor, Geostatistical analyses reveal nutrient-vegetation
relationships in savanna soils, AGU Fall Meeting, 2005.
Hartman, L., G.S. Okin, H.E. Epstein, J. Li, Interactions among wind erosion, vegetation, and
dust flux in the Jornada Experimental Range, Jornada Research Symposium, July 14, 2005, Las Cruces,
NM.
Okin, G.S., T.H. Painter, 2005, Grain size effects on spectral reflectance of desert soil surfaces, Desert
Trafficability Workshop, Winthrop, Washington, January 21-23.
Okin, G.S., 2004, Deserts: The Cradle of Civilization, University of Virginia, Department of Environmental
Sciences Undergraduate Seminar.
Okin, G.S., 2004, The role of spatial heterogeneity in modeling wind erosion, Boulder, CO.
Okin, G.S., 2004, The role of wind erosion in ecosystem change, Jornada LTER Research Symposium, Las
Cruces, NM.
Okin, G.S., 2004, Blowing in the Wind, Harvard University Department of Earth and Planetary Sciences.
-Gregory S. OkinPage 12 of 14
Okin, G.S., 2004, Multiscale Controls on Wind Erosion and Dust Emission, University of Arizona
Department of Soil, Water, and Environmental Sciences.
Okin, G.S., 2004, Multiscale Controls on Wind Erosion and Dust Emission, University of California, Santa
Barbara, Department of Geography.
Okin, G.S., 2004, Spatially explicit stochastic modeling of wind erosion and dust emission. Geological
Society of America, Washington, D.C.
Okin, G. S., N. Mahowald, O.A. Chadwick, P. Artaxo, 2003. The Influence of Desert Dust on the
Biogeochemistry of Phosphorus in Terrestrial Ecosystems, The Soil Science Society of America Annual
Meeting, Denver, CO.
Okin, G. S., 2002, Land use, land cover change, and desert dust, 2nd IANABIS workshop, San Luis Potosi,
Mexico.
OTHER PROFESSIONAL PRESENTATIONS
More than 70 as of December 31, 2011.
TEACHING EXPERIENCE
University of California, Los Angeles
Earth’s Physical Environment (GEOG 1)
Fall, 2007; Fall, 2008; Fall, 2009; Spring, 2011; Fall, 2011; Fall, 2012; Fall, 2013; Fall, 2014
Soils and Environment (GEOG/EEB/ENVIRO 127)
Winter, 2007; Winter, 2008; Winter, 2009; Winter, 2010; Fall, 2010; Winter, 2014
Field Methods in Physical Geography (GEOG 177)
Winter, 2010; Fall, 2010; Winter, 2014
Modeling the Environment (GEOG 166)
Spring, 2008; Spring, 2009; Spring, 2010; Winter, 2011; Fall, 2011
Advanced Remote Sensing (GEOG 174)
Winter, 2015
Remote Sensing of Environment (GEOG 299E)
Winter, 2008; Fall, 2009
Physical, Mathematical, and Computation Basis of Remote Sensing (GEOG 299F)
Winter, 2015
Human Security and Environmental Change (GEOG 228)
Fall, 2010; Fall, 2012
Land Degradation (GEOG 227)
Spring, 2012; Fall, 2013
Teaching College Geography (GEOG 495)
Fall, 2013; Fall, 2014; Fall, 2015
Controversies in Earth System Science (GEOG C194A/C296A)
Fall, 2009; Fall, 2010; Fall, 2015
Seminar in Geographic Inquiry (GEOG 298A)
Fall, 2014; Fall, 2015
Environment and Sustainability (ENVIRON M1A). Guest Lecturer: Soil Science
Other
Linking biology and geomorphology in coastal wetlands (and other habitats). Multi-institution course
taught for credit at: Universities of Georgia, Virginia, South Carolina, Houston and Indiana
University, Coastal Carolina University, TAMU, and Florida International University. Lecturer in
-Gregory S. OkinAeolian Processes (November 1, 2013)
Page 13 of 14
University of Virginia (Prior to 2006)
Physical Geology
Spring, 2003; Spring, 2004
Introduction to Remote Sensing
Fall, 2003; Fall, 2004; Fall, 2005
Advanced Remote Sensing
Fall, 2003; Fall 2004; Spring, 2004
Remote Sensing: Two-week short course on the physics and techniques of remote sensing
January, 2005
Soils and Geomorphology
Spring, 2005
California Institute of Technology
Teaching Assistant (Earth as a Planet, Mineral Spectroscopy, Global Biogeochemical
Cycles, Radioisotope Geochemistry, Terrestrial Surface Systems)
STUDENTS
Postdoctoral Research Advisees: Junran Li (2010-2013), Nicholas Webb (2011-2014)
Committee Chair: Kebonyethata Dintwe (M.A., 2013; Ph.D., in progress), Shenyue Jia (Ph.D., in progress),
Junran Li (Ph.D., 2008), Ian McGlynn (UVA, M.S., 2006), Cheney Shreve (UVA, Ph.D., 2009), S.
McKenzie Skiles (UCLA, Ph.D., 2015), David Rachal (NMSU Plant and Environmental Sciences, Ph.D.,
2012)
Committee Member: Anne Priest (UVA M.S., 2005), James Eaton (UVA M.S., 2004), Lucy Diekmann
(UVA M.S., 2003), Sujith Ravi (UVA M.S., 2004; Ph.D. 2008), Natasha Ribeiro (UVA Ph.D., 2007),
Mike O’Connell (UVA Ph.D., 2009), Lyndon Estes (UVA Ph.D, 2008), Lorelei Alvarez (UVA Ph.D.,
2010), Will Hobbs (UCLA Geography Ph.D. 2009), Jelena Tomic (UCLA ESS, Ph.D. 2011), Travis
Brooks (UCLA EEB, Ph.D. in progress), Vena Chu (UCLA Geography, M.S., 2009), Qiang Fu (UCLA
Geography, M.S., 2010), Evan Lyons (UCLA Geography, M.S., 2010), Keith Gaddis (UCLA EEB,
Ph.D., in progress), Niti Mishra (UT-Austin, Geography, Ph.D., in progress), Thoralf Meyer (Ph.D.
UVA, in progress)
Undergraduate Researchers (UCLA): Torgom Abraamyam, Dan Ben-Aderet, Alana Ayasse, Jaryd Block,
Dylan Bridges-Olivia, Christine Bonthius, Katy Chappaz, Galen Coppage, Edward Cruz, Kyle HessLocquiao, Tanja Hrast, Robert Ireland, Shoko Kagawa, Kelsey Kaszas, Laura McNerney, Bianca Malkoc,
Colton Miller, Maxwell Montrose, Thea Mora, Crista Lee Oakley-Havens, Matthew Patterson, Danielle
Perrot, Chris Pulido, Diane Rachels, Seth Wing, Geoffrey Wright, Casey Zirbel
SERVICE ACTIVITIES
University of California, Los Angeles
Geography Department
Departmental Vice Chair
Director, UCLA IMAGE Lab
Graduate Affairs Committee (Chair: 2013-)
Search Committee Chair: Coastal Geography
Geography Legislative Assembly Representative
Alumni Relations Committee
University Service
2015-present
2009-present
2006-present
2013-2014
2011-2013
2012
-Gregory S. OkinMember, Sustainable LA Energy Committee, UCLA Grand Challenge
Member, Environmental Science Major Oversight Committee (Chair: 2015-)
Member, Center for Tropical Research
Member, Faculty advisory committee, Stunt Ranch Santa Monica Reserve
Member, Committee on Intercollegiate Athletics (Senate Committee)
Member, Faculty advisory committee, ISR
Reviewer, ISR Summer Fellowships
Panelist, “Negotiation skills for academic careers”, UCLA Career Center, March 17
Panelist, “Mastering the academic interview”, UCLA Career Center, October 26
University of Virginia, Department of Environmental Sciences
Departmental Committees
Graduate admissions
Distinguished Majors Program
Undergraduate academic requirements committee (UGARC)
Computing
Graduate academic requirements committee (GARC)
University Service
Undergraduate Academic Advisor
Faculty Associate, Center for South Asian Studies
Faculty Associate, Center for East Asian Studies
Member, Friends of the LGBT Resource Center Board
Member, LGBT Resource Center Advisory Board
Service to the Profession
Member, Editorial Board, Ecosphere
Editor, Reviews of Geophysics
Member, Steering Committee, International Geographical Union (IGU) Commission
on Land Degradation and Desertification (COMLAND)
Member, UN/WMO/GESAMP Working Group (38) on The Atmospheric Input of
Chemicals to the Ocean (2008 – 2012) and Nitrogen Deposition to the Ocean
(2012- present)
Co-convener special session on “Ecogeomorphology”, AGU Fall Meeting
Co-convener special session on “Dynamics and interactions of belowground carbon
pools in dryland ecosystems”, AGU Joint Assembly, Acapulco, Mexico
Co-convener special session on “Soil-Water-Nutrient Interactions With Savanna
Vegetation”, AGU Fall Meeting
Co-convener special session on “Intracontinental Mass and Energy Transport
Between Alpine and Desert Ecosystems”, AGU Fall Meeting
Co-convener special session on “Ecosystem Effects of Dust Deposition”, AGU Fall
Meeting
Task force on wind erosion, International Geographic Union, Commission on Land
Degradation and Desertification
Member, American Geophysical Union
Member, Ecological Society of America
Page 14 of 14
2014-present
2008-present
2008-present
2007-present
2012-2015
2009-2010
2009
2007
2006
2002-2005
2002-2004
2002-2005
2003-2005
2004-2005
2002-2004
2002-2005
2002-2005
2005-2006
2005-2006
2012 – Present
2010 – Present
2010 - present
2008-2010
2014
2007
2005
2005
2003
1997-2004
1997-present
2012-present