Monday – 28 October 2013 Theme 1: Satellite, aircraft and in-situ measurements 8:00 – 9:00 Registration 9:00 – 9:15 Larry Thomason/Claudia Timmreck Welcome and Overview 9:15 - 10:00 Opening lecture by Terry Deshler Invited Lecture 10:00 – 10:15 Marc von Hobe Talk Insights into sulfur transport to the stratosphere from past and future aircraft campaigns in the tropics 10:15 – 10:30 Jianchun Bian Talk Balloon- borne measurement of Asian tropopause aerosol layer at Kunming and Lhasa during Asian summer monsoon 10:30 – 11:00 Morning tea 11:00 – 11:15 Hans Schlager Talk Gas-phase sulfuric acid in the stratosphere: measurement technique, previous and future observations 11:15 - 11:30 Roisin Commane Talk Tropospheric fluxes of OCS: Measurements from the oceans to the terrestrial biosphere 50 Years of balloon measurements of stratospheric aerosol 11:30-11:45 John Barnes Talk A reanalysis of the Mauna Loa Observatory stratospheric aerosol lidar time series 11:45-12:00 Simon Carn Talk Satellite measurements of volcanic SO2 emissions into the UTLS MIPAS observations of sulphur dioxide (SO2) and carbonyl sulphide (COS) 12:00 – 13:30 Lunch 13:30 – 14:00 Michael Hoepfner Invited Lecture Lena Brinkhof Talk Stratospheric Aerosol Extinction Measured by SCIAMACHY on ENVISAT 14:15 – 14:30 Didier Rault Talk Global stratospheric aerosol distribution as measured by the OMPS/LP 14:30 – 14:45 Adam Bourassa Talk The OSIRIS Stratospheric Aerosol Record 14:45 – 15:00 Larry Thomason Talk Stratospheric Aerosol Measurements by the SAGE Series of Instruments: 1975 to 2005 15:00 – 16:30 Afternoon tea in conjunction with poster session Poster Session 16:30 - 18:00 Breakout groups/Plenary discussion 14:00-14:15 Satellite retrieval, Aircraft and in-situ measurements Tuesday – 29 October 2013 Theme 2: Transport and Process modelling 9:00-9:45 Bill Randel Keynote Lecture Transport, chemistry and aerosols in the Asian monsoon anticyclone 09:45 – 10:00 Fadnavis Suvarna Talk Transport of aerosols into the UTLS and their impact on the Asian monsoon region as seen in a global model simulation 10:00 – 10:15 Jean-Paul Vernier Talk Long-term trend of upper tropospheric aerosol loadings during the Summer Asian Monsoon. 10:15 – 10:30 T. Duncan Fairlie Talk Dispersion of the Nabro volcanic plume and its relation to the Asian summer monsoon 10:30 – 10:45 Sabine Griessbach Talk MIPAS Volcanic Sulfate Aerosol Observations of the Nabro Eruption 10:45 – 11:15 Morning tea 11:15 – 11:45 Stefan Fueglistaler Invited Lecture 11:45 - 12:00 Mian Chin Talk Anthropogenic and volcanic contributions to stratospheric sulfate aerosols Wenshou Tian Talk Transport of Dust Aerosols from the Troposphere to Stratosphere over the 12:00 - 12:15 Stratospheric aerosol and TTL temperature trends Tibetan Plateau 12:15- 12:30 Robyn Schofield Talk Uncertainties due to Convection over the Maritime Continent: Implications for Stratospheric Sulfur 12:30 - 12:45 Ryan Neely Talk The Contribution of Anthropogenic SO2 Emissions to the Asian Tropopause Aerosol Layer 12:45 - 13:00 Anke Roiger Talk Aircraft measurements of the SO2 distribution in the upper troposphere and lower stratosphere 13:00 – 14:30 Lunch 14:30 - 14:45 Narcisa Banda Talk The effect of the stratospheric sulfur from Pinatubo on the oxidizing capacity of the troposphere 14:45 – 15:00 Simone Tilmes Talk The impact of volcanic aerosols on stratospheric chemistry 15:00 - 15:15 Ulrike Niemeier Talk Geoengineered sulfate aerosol microphysical evolution depending on emission parameters 15:15 - 15:30 Jason English Talk Sectional aerosol model simulations of large volcanic eruptions with van der Waals forces find limited climate effects and complex aerosol size evolution 15:30 - 15:45 Christine Bingen 15:45 – 16:15 Afternoon tea 16:15 - 18:00 Breakout groups Talk Stratospheric activities around the Aerosol_CCI project Wednesday – 30 October 2013 Theme 3: Microphysics and climate 9:00-9:45 Alan Robock Keynote Lecture Stratospheric Sulfur Geoengineering -Benefits and Risks 09:45 – 10:00 Mike Mills Talk Toward a prognostic representation of stratospheric sulfate aerosol in the Community Earth System Model, version 1 (CESM1) 10:00 – 10:15 Matt Toohey Talk The dynamical response to volcanic eruptions: sensitivity of model results to prescribed aerosol forcing 10:15 – 10:30 Ross Salawitch Talk A critical evaluation of volcanic cooling 10:30 – 12:00 Morning tea in conjunction with poster session Poster Session 14:30 – 15:00 Jim Haywood Invited Lecture The impact of asymmetric forcing from stratospheric aerosol on precipitation during the West African Monsoon 12:30 - 12:45 Graham Mann Talk Whole-atmosphere aerosol microphysics simulations of the Mt. Pinatubo eruption: 12:45 - 13:00 Thomas Peter Talk Stratospheric Aerosol Loading after Pinatubo: 13:00 – 14:30 Lunch 14:30 – 15:00 Debra Weisenstein Invited Lecture Modelling Stratospheric Aerosols at Background Levels: New Results from SOCOL and GEOS-CHEM 15:00 – 15:15 Rene Hommel Talk Quasi-biennial oscillation of the tropical stratospheric aerosol layer 15:15 – 15:30 Patrick Campbell Talk The Global Extent and Variability of the Stratospheric CN Layer: A Three Dimensional Modeling Study 15:30 - 15:45 Christoph Bruehl Talk Stratospheric sulphur and its implications for radiative forcing as simulated by the CCM EMAC with interactive aerosol 15:45 – 16:15 Afternoon tea 16.15 -17.30 Larry Thomason/Tom Peter 17.30 -18.00 Adjourn Plenary discussion Thursday – 31 October 2013 SSG Meeting 9:00-13:00 SSG Members SSiRC Steering group meeting Years after ASAP