Laboratory for Atmospheres 2003 Technical Highlights: Appendix B4. 2003 Seminars

SEMINARS HELD AT GSFC:

MESOSCALE ATMOSPHERIC PROCESSES BRANCH

Beth Ebert, Bureau of Meteorological Research Center, "Satellite precipitation estimates: How do they compare to observations and to each other?" March 17.

Katherine Straub, Susquehanna University, "Observations of convectively coupled equatorial waves and the Madden-Julian Oscillation," March 28.

Ralph Kuehn, University of Wisconsin-Madison, "Cirrus particle size measurements using a high spectral resolution lidar," April 14.

David Atlas, ATLAS Concepts, "Multiple facets of an intense storm in the Amazon," May 20.

David E. Weissman, Hofstra University, " Calibrating the Quikscat/Seawinds Radar for measuring rainrate over the oceans," May 21.

Dr. Stephen M. Sekelsky, University of Massachusetts, "Advanced millimeter-wave atmospheric radar systems," May 22.

Dr. James Carswell, Remote Sensing Solutions, Inc., "The imaging wind and rain airborne profiler-hurricane research and reconnaissance applications," May 22.

Dr. Oliver Reitebuch, Deutsches Zentrum fur Luft and Raumfahrt, hosted by Bruce Gentry, "Wind sensing with airborne and satellite Doppler lidar towards the Atmospheric Dynamics Mission ADM," May 27.

Masanori Yoshizaki, Teruyuki Kato, Hisaki Eito, Syugo Hayashi, and Wei-Kuo Tao, Meteorological Research Institute, and Laboratory for Atmospheres, hosted by Dr. Wei-Kuo Tao, "An overview of the field experiment "Winter MCSs (Mesoscale Convective Systems) Observations over the Japan Sea in 2001," and comparisons of the cold-air outbreak (14 January) case between analysis and non-hydrostatic cloud-resolving model," September 30.

Veronique Boutou, University Claude Bernard, hosted by David Whiteman,

"Femtosecond probing of aerosols, white light lidar," November 1.

Greg Holland, Aerosonde Robotic Aircraft, "A dynamic analysis of microbursts," December 2.


CLIMATE AND RADIATION BRANCH

Alexei Lyapustin, University of Maryland Baltimore County, Aerocenter Seminar, "3D Radiation Effects in the Aerosol Retrieval over Land and Atmospheric Correction," January 7.

Si-Chee Tsay, NASA GSFC, Aerocenter Seminar, "Dust Characterization at ACE-Asia Source Region: A Satellite/Surface Perspective," January 9.

Raymond M. Hoff, University of Maryland Baltimore County, "Shrinking Global Observing Down to the Local Scale," January 15.

Lorraine A. Remer, NASA GSFC, Special Code YO Division Director's Visit, "Using MODIS Data to Monitor Forest Fires," January 17.

Steve Platnick, NASA GSFC, Aerocenter Seminar, part 1: "Introduction to MODIS Cloud Products," and part 2: "An Interesting Case Study from SAFARI 2000: Clouds and Aerosols off the Coast of Namibia," January 21.

Yoram J. Kaufman, NASA GSFC and Jose Vanderlei Martins, University of Maryland Baltimore County, Aerocenter Seminar, "A Concept for Satellite Observations of Aerosol Absorption over the Oceans," January 23.

Peter Colarco, LASP/University of Colorado, Special Aerocenter Technical Seminar, "Dynamical and Microphysical Analysis of Transnational Pollutant Transport over the Eastern U. S. from Canadian Forest Fires," February 4.

William B. Rossow, Goddard Institute for Space Studies, "Coupling of the Climate's Energy and Water Cycles by Clouds," February 5.

Eric Moody, L-3 Communications Analytics Corporation, Special Aerocenter Technical Seminar, "MODIS Level 1B and Level 2 Atmosphere Subsetting Tools," February 11.

Brad Wind, L-3 Communications Analytics Corporation, Special Aerocenter Technical Seminar, "EOSVision MODIS/MISR Visualization and Subsetting Tools," February 11.

Mark Gray, L-3 Communications Analytics Corporation, and William Ridgway, Science Systems and Applications, Inc., Special Aerocenter Technical Seminar, "Various MODIS Visualization Tools," February 11.

In-Sik Kang, Seoul National University, "Potential Predictability of Various Dynamical-Statistical Seasonal Prediction Systems," February 28.

Eyal Ben-Dor, Tel-Aviv University, Aerocenter Seminar, "Monitoring of Soil Degradation Potential in Semi Arid Environment using Hyperspectral Technology," March 4.

Paul Ginoux, GEST, Special Aerocenter Seminar, "Special Farewell Seminar," March 4.

Paul W. Stackhouse, NASA/Langley Research Center, "Characterization of Global Surface Radiation Budget (SRB) in Time Space: New Results from NASA/GEWEX SRB Project," March 5.

Yoram J. Kaufman, NASA GSFC, Aerocenter Seminar, "Inversion of MODIS plus 2-Wavelenght Lidar Data to get Profiles of Fine and Coarse Mode Aerosols: Methods and Application to Dust and Smoke Cases," March 13.

Ming Cai, Department of Meteorology, University of Maryland, "Dynamical Implications of Atmospheric Eddies' Orientation," March 19.

Oleg Dubovik, University of Maryland Baltimore County, Aerocenter Seminar, "Enhanced Aerosol Retrieval from Multi-Angle Multi-Wavelength Satellite Polarimetry," March 25.

Anne Vermeulen, NASA GSFC and UMD, Aerocenter Seminar, "Retrieval of Aerosol Properties from AERONET Polarization Measurements," April 1.

Brian Vant Hull and Brett Taubman, Department of Meteorology, University of Maryland, Aerocenter Seminar, "Smoke Plumes and Temperature Inversions: a Case Study of the July 2002 Quebec Wildfire Smoke over Maryland and Virginia," April 16.

Alex Kostinski, Department of Physics, Michigan State University, "Possible Implications of Fine Scale Texture in Cloud Physics and Radiative Transfer," April 17.

Laura M. Hinkleman, Department of Meteorology, Pennsylvania State University, Special Seminar (Postdoc Candidate), "The Effect of Cumulus Cloud Field Anisotropy on Solar Surface Radiative Fluxes and Atmospheric Heating Rates," April 22.

V. Ramaswamy, NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, "Aerosol Radiative Forcing of Climate Change: What Do We Mean by Uncertainties?" April 23.

Mona Tal Freiman, University of Witwatersrand, Johannesburg, South Africa, Aerocenter Seminar, "Regional Haze over the Industrial High Veldt of South Africa," April 29.

William Lansing Madry, University of Colorado, Aerocenter Seminar, "Comparison of Two Smoke Initialization Schemes in Model Simulations over South Africa," April 29.

Anthony D. Del Genio, NASA Goddard Institute for Space Studies, "The Tropical Water Cycle and Climate Change," April 30.

Ning Zeng, Earth System Science Interdisciplinary Center, University of Maryland, "An Earth System Model for Climate Variability and Change Studies," May 7.

James A. Coakley, GEST/UMBC, Aerocenter Special Seminar, "The Indirect Effect of Aerosols and the Cloud-Climate Feedback Problem," May 13.

Fu-Lung Chang, Earth System Science Interdisciplinary Center, University of Maryland, "Validation of a New Method for Retrieving Cloud Microphysics from MODIS," May 14.

Richard S. Lindzen, MIT, Aerocenter Seminar, "The Iris Effect: Its Strange and Disturbing History," May 19.

Steve Nesbitt, Department of Atmospheric Science, Colorado State University, "Precipitation Features According to TRMM and Their Implications for GPM," May 21.

Yinon Rudich, Department of Environmental Sciences, Weizman Institute, Israel, Aerocenter Seminar and Dust Mini Workshop, "Mineral Dust: Aging Processes and Effects on Clouds," May 27.

Roger A. Pielke, Sr., State Climatologist of Colorado, Colorado State University, "Top Ten Overlooked Issues in Climate Change Science," June 4.

Anatoli Chaikovski, National Academy of Sciences of Belarus, Special Aerocenter Seminar, "Retrieving Atmospheric Aerosol Parameters by Combining Multi-Level Wavelength Lidar and Sun-Sky Radiance Measurements," June 10.

Mikhail Alexandrov, GISS, and Alexander Marshak, NASA, Special Aerocenter Seminar, "Scaling Properties of Aerosol Optical Depth Retrieved from Ground-Based and Satellite Measurements," June 17.

Robert D. Cess, Marine Sciences Research Center, State University of New York, "Cloud-Climate Feedback: What we have learned during the Past Quarters of a Century?" June 18.

James Szykman, U. S. Environmental Protection Agency, Special 3-D Air Quality Seminar, "IDEA (Infusing Satellite Data into Environmental (Air Quality) Applications) Utilizing MODIS Data to Assess Air Pollution over the US," July 16.

Qinbin Li, Harvard University, Aerocenter Seminar, "Intercontinental Transport of Anthropogenic and Biomass Burning Pollution," July 29.

Michael L. Larsen, Physics Department, Michigan Technological University, JCET Radiation Focus Group Seminar, "Being Discrete in a Crowd: Detection and Implications of Aerosol Clustering," July 23.

Daniel Rosenfeld, Institute of Earth Sciences, The Hebrew University of Jerusalem, Aerocenter Seminar, "Flying from the Green Ocean to the Pyro-Clouds over the Amazon," August 20.

Pinhas Alpert, Department of Geophysics and Planetary Sciences, Tel Aviv University, Aerocenter Seminar "Vertical Distribution of Saharan Dust Based on 2.5-Year Model Predictions," August 26.

Eric Shettle, Naval Research Laboratory, Aerocenter Seminar, "NPOS Aerosol," August 28.

Peter Colarco, NASA/Goddard Space Flight Center, Aerocenter Seminar, "Aerosol Assimilation" August 28.

Si-Chee Tsay, NASA/Goddard Space Flight Center, Special Seminar, "BASE-Asia Initiative: Windowing Climate and Radiation Branch Prospects," September 1.

Menglin Jin, Department of Meteorology, University of Maryland, "Detecting Global and Regional Changes of Land Surface Temperature from Satellite Remote Sensing and GCM Simulations," September 3.

Robert F. Cahalan, NASA/Goddard Space Flight Center, Special Seminar, "Climate & Radiation Research at Goddard-Achievements, Challenges, and Opportunities," September 16.

Zhaohua Wu, Center for Ocean-Land-Atmosphere Studies, "A Shallow CISK, Deep Equilibrium Mechanism," September 17.

Lorraine A. Remer and Yoram J. Kaufman, NASA/Goddard Space Flight Center, Aerocenter Seminar, "MODIS Retrieval of Dust Aerosol and Estimates of Dust Transport and Deposition," September 30.

Jose Vanderlei Martins, JCET/University of Maryland Baltimore County, "Black Carbon and Us," October 1.

D. Allen Chu, Science Systems and Applications, Inc., Aerocenter Seminar, "Remote Sensing of PM 2.5 from Space," October 14.

Eugenia Kalnay, Department of Meteorology, University of Maryland, Part 1: Informal Seminar "Impact of Land-Use Change on Climate," and Part 2: "Ensemble Forecasting and Data Assimilation," October 15.

Robert C. Levy, Science Systems and Applications, Inc, Aerocenter Seminar, "Virginia CLAMS Chowder: Adjusting the MODIS Aerosol Retrieval Recipe (Improving MODIS Over-Land Aerosol Retrieval along the East Coast)," October 28.

Duane E. Waliser, Institute for Terrestrial and Planetary Atmospheres, State University of New York, "Coupled Ocean-Atmosphere Interactions and the Madden-Julian Oscillation: Implications for the Prediction of Extended-Range Weather and Short-Term Climate variations," November 5.

Qinbin Li, Atmospheric Chemistry Modeling Group, Harvard University, "The IDS Study of Aerosol Cloud Interaction, Indirect Effect, Semi Direct Effect, Modeling in Assimilation, etc.," November 7.

Martin Wooster, Environmental Monitoring and Modeling Group, King's College, London, Aerocenter Special Fire Seminar, "First Results from Field and Lab Observation of the Relationship between Fire Radiative Energy and Biomass Consumption by Fires," November 13.

Mian Chin, NASA/Goddard Space Flight Center, Aerocenter Seminar, "From Regional Pollution to Global Change: Recent Results from the GOCART Model Analysis of MODIS and AERONET Data and Surface Measurements," November 18.

Guang J. Zhang, Center for Atmospheric Sciences, Scripps Institution of Oceanography, "Free Tropospheric Convective Quasi-Equilibrium and Its Impact on Climate Simulation," November 19.

Christina Hsu, JCET, University of Maryland Baltimore County, "Aerosol Retrieval over Deserts using SEAWiFS or MODIS-Type Sensors," Aerocenter Seminar, December 2.

James D. Spinhirne, NASA/Goddard Space Flight Center, Special Aerocenter Seminar, "Global Aerosol Measurements by the Geoscience Laser Altimeter System: Initial Result," December 3.


ATMOSPHERIC EXPERIMENT BRANCH

Roger van Boeyen, Johns Hopkins University, hosted by Hasso Niemann, "Measuring the Correlated Motion of Atomic Electrons," July 2.

Gene McDonald, JPL, hosted by Hasso Niemann, "Organic Chemistry on the Surface of Titan," July 9.

Steve Lammert, Sensor Research and Development Corp., hosted by Hasso Niemann, "Fieldable Ion Trap Mass Spectrometers," July 15.

Shenyi Wang, Univ. of Delaware, hosted by Hasso Niemann, "Development of Mass Spectrometry for the Applications in Biomolecular Analysis and Nanometer Aerosol Particle Detection," August 13.

Felician Muntean, Univ. of Colorado, hosted by Hasso Niemann, "The Femtosecond Dynamics of Cu (H20)," August 15.

Laurence Angel, Univ. of Nevada, hosed by Hasso Niemann, "Guided Ion Beam Study of the Hydrogen Atom Abstraction Reactions of S with H2, CH4 and C2H6," August 25.

Daniel Glavin, Max-Planck Institute fuer Chemie, hosted by Hasso Niemann, "The Search for Evidence of Life on Mars," August 28.


ATMOSPHERIC CHEMISTRY AND DYNAMICS BRANCH

William R. Stockwell, Desert Research Institute/NOAA, hosted by Anne Thompson, "From molecules to mesoscale air quality modeling," January 6.

Darrell Winner, Environmental Protection Agency, "CACGP/IGAC Crete Meeting Plenary Talk Observations," January 30.

Darrell Winner, Environmental Protection Agency, "Interactions of air pollution and climate," February 20.

Paul Fortuin, Royal Netherlands Meteorological Institute (KNMI), DeBilt, the Netherlands, "Tropical Ozone Measurements for SHADOZ at Paramaribo, Surinam Station, February 26.

Bryan Duncan, Swiss Institute of Technology, "Model Study of the Interannual Variability of Carbon Monoxide (1988 - 1997)," March 3.

Lawrence Friedl, NASA Headquarters, Code YO, "Air Quality Program," March 6.

Jeffrey W. Stehr, University of Maryland, "A comparison of CMAQ-calculated and aircraft-measured MET and ozone fields," March 20.

Jennifer C. Wei, National Center for Atmospheric Research (NCAR), hosted by S. R. Kawa, "Episodic Events of Long-Range Transport of Biomass Burning into the Southern Tropical Pacific Ocean During PEM-TROPICS A Period," March 24.

Huisheng Bian, University of California-Irvine, hosted by S. R. Kawa, "An on-line photolysis model and its application," March 25.

Andreas Richter, University of Bremen, Germany, "Latest results from SCIAMACHY and other DOAS measurements," March 27.

Chris Barnet, UMBC/GEST, "Retrieval of Trace Gas Products from AIRS," May 15.

Kenneth Minschwaner, Visiting Fellow from the New Mexico Institute of Mining and Technology, hosted by the Goddard Earth Sciences and Technology Center (GEST), "The climate feedback by water vapor in the tropical upper troposphere," June 24.

Qinbin Li, Harvard University, "Intercontinental Transport of Anthropogenic and Biomass Burning Pollution," July 29.

Brad Pierce, NASA Langley Research Center (LARC), "Air Quality Prediction and Assimilation Studies using the LaRC Regional Air Quality Modeling System (RAQMS)," October 9.

Wallace McMillan, University of Maryland at Baltimore County, "Atmospheric Infrared Sounder (AIRS) Trace Gases and Validation," November 6.

Ross Salawitch, Jet Propulsion Laboratory, "Strengths and weaknesses in our quantitative understanding of photochemical processes in the LS and UT," November 14.


SEMINARS HELD OFF-CENTER BY LABORATORY MEMBERS:

LABORATORY FOR ATMOSPHERES SENIOR STAFF

Joel Susskind, "Surface and Atmospheric Parameters Derived from AIRS/AMSU/HSB," Naval Research Laboratory, December 4.


MESOSCALE ATMOSPHERIC PROCESSES BRANCH

Wei-Kuo Tao, "Sensitivity of precipitation processes to microphysics and resolution in a cloud-resolving model," University of Virginia, March 13.

George J. Huffman, "An Introduction to Estimating Precipitation from Satellites, Lanham, MD, March 27.

David Starr, "CRYSTAL-FACE Overview," Texas A&M University, April 22.

Wei-Kuo Tao, " Sensitivity of precipitation processes to microphysics and resolution in a cloud-resolving interaction," University of California Davis, May 5.

Zhoxia Pu, "Application of data assimilation in improving atmospheric modeling," Pennsylvania State University, May 22.

J. Marshall Shepherd, "Urban Heat Islands and GPM," Morgan State University, June 1.

Wei-Kuo Tao, "Goddard cumulus ensemble model and its application in understanding precipitation processes, Goddard NCCS, June 3.

Wei-Kuo Tao, "Sensitivity of precipitation processes to microphysics and resolution in a cloud-resolving model," IUGG Meeting, Sapporo, Japan, June 30.

Song Yang, "Precipitation and latent heating from TRMM Microwave Measurements and Validations," Seoul National University, July 7.

Zhoxia Pu, "Application of data assimilation technique in improving hurricane modeling and forecasts," AMOL/NOAA, July 14.

Eyal Amitai, "NASA's Precipitation Measurement Missions and Validation Studies," Barcelona, Spain, July 18.

Rickenbach, T. M., 2003: Nocturnal cloud systems and the diurnal cycle of rainfall in Amazonia. 31st AMS Conference on Radar Meteorology, Seattle, Washington, August 6-12.

Rickenbach, T. M., L. Belcher, P. Kucera, L. Carey, and D. Starr, 2003: Anvil evolution from NEXRAD data during CRYSTAL-FACE. 31st AMS Conference on Radar Meteorology, Seattle, Washington, August 6-12.

Wei-Kuo Tao, "Precipitation processes developed during ARM (1997), TOGA COARE (1992), GATE (1974), SCSMEX (1998), and KWAJEX (1999): Consistent 2D, semi-3D and 3D Cloud Resolving Model Simulations," University of Illinois at Urbana-Champaign, August 25.

Wei-Kuo Tao, "Current status on TRMM latent heating algorithms," Tokyo, Japan, September 2.

Wei-Kuo Tao, "Sensitivity of precipitation processes to microphysics and resolution in a cloud-resolving model Radiative-convective equilibrium in Tropics," Japan Frontier Research System for Global Change, Yokohama, Japan, September 4.

Bruce Gentry and Geary Schwemmer, " Lidar development at NASA Goddard Space Flight Center," DLR, Germany, September 12.

Wei-Kuo Tao, "Cloud resolving models and their past, present and future applications," National Central University, September 18.

Zhoxia Pu, "Application of data assimilation in improving atmospheric modeling," University of Utah, September 29.

Song Yang, "Updates on TRMM and its Rain Products," National Satellite Meteorological Center, October 13.

Song Yang, "Evolution and Evaluation of TRMM Rain Products," Institute of Atmospheric Physics, Chinese Academy of Sciences, October 14.

Song Yang, "Analysis of TRMM Rainfall Error Distributions," Nanjing Institute of Meteorology, October 17.

Wei-Kuo Tao, "Convective systems over the Japan sea: Cloud-resolving model simulations," Tokyo, Japan, October 29.

Geary Schwemmer and David Miller, "New Scanning Lidar Technology Enables Atmospheric Boundary Layer, Wind and Cloud Measurements," Pennsylvania State University, November 6.

Gerald Heymsfield, "Thunderstorm-Generated Cirrus From CRS, CPL, and EDOP during CRYSTAL-FACE," University of Utah, Host Prof. Ed Zipser, November 10.

J. Marshall Shepherd, "How cities create their own weather," Washington, DC,

November 12.

David Starr, "CRYSTAL-FACE: Analysis and Simulations of the July 23rd Extended Anvil Case." University of North Dakota, December 4.

Wei-Kuo Tao, "GCE model, GCE-MPI performance and super parameterization project at Goddard." NASA Ames, December 11.

Eyal Amitai, "NASA's Precipitation Measurement Missions and Validation from Ground and Below," Tel Aviv University, Israel, December 29.


CLIMATE AND RADIATION BRANCH

Yoram Kaufman at Harvard University, January 20.

"Stochastic Models of Tropical Rain-Rate Fields," Thomas L. Bell, invited talk, Stochastic Modeling of Geophysical Flows Workshop, Boulder, Co, March 12-14.

Professor Moyses Nussenzveig Retirement Conference, lecture given by Warren Wiscombe, Rio de Janeiro, Brazil, March 26-28.

"A New Look into the Treatment of Large Drops in Radiative Transfer," Alexander Marshak, invited talk, 2003 ARM Science Team Meeting, Broomfield, CO, March 31-April 4.

"Cloud Overlap from a Cloud Resolving Model," Lazaros Oreopoulos, poster presentation, 13th ARM Science Team Meeting, Broomfield, CO, March 31-April 4.

"Treatments of Inhomogeneous Clouds in a GCM Column Radiation Model," Lazaros Oreopoulos, invited talk, the 13th ARM Science Team Meeting, Broomfield, CO, March 31-April 4.

Platnick, S., M. D. King, J. C. Riedi, S. A. Ackerman, G. T. Arnold, M. Gray, G. Wind: MODIS Airborne Simulator (MAS) retrievals of cloud thermodynamic phase, optical thickness, and particle size during CRYSTAL-FACE. Presented (by co-author) at the EGS-AGU-EUG Joint Assembly, Nice, France, April.

"Combined Radiative Effects of Cloud Overlap and Horizontal Inhomogeneity Simulated by a GCM Column Radiation Model," Lazaros Oreopoulos, poster presentation, EGS - AGU - EUG Joint Assembly, Nice, France, April 6-11.

"Global Aerosol System," Yoram J. Kaufman, convener, EGS-AGU-EUG Joint Assembly, Nice, France, April 6-11.

"Satellite Measurements of Aerosol," Yoram J. Kaufman, invited talk, EGS-AGU-EUG Joint Assembly, Nice, France, April 6-11.

"Dust" Aerocenter Workshop, Yoram J. Kaufman and Aerocenter Group, conveners, Yinon Rudich, invited speaker, Building 33, May 27.

"Estimates of Random Error in Satellite Rainfall Averages," Thomas L. Bell, invited talk, IUGG General Assembly, Sapporo, Japan, June 30-July 2.

"Satellite Remote Sensing and Other Measurements of Aerosols and its Interaction with Clouds," Yoram J. Kaufman, invited talk, IUGG, General Assembly, Sapporo, Japan, June 30-July 3.

"SORCE and Future Satellite Observations of Solar Irradiance," Robert F. Cahalan, invited talk, IGARRS International Geoscience & Remote Sensing Symposium 2003, Toulouse, France, July 2-25.

"Saharan Dust in the Caribbean: A Correction of Microtops Data," Charles Ichoku, Science Systems and Applications, Inc., and Kelley Johnson (Summer Institute Student), data retrieved during the Caribbean cruise, July 28-August.

"Remote sensing of Aerosol Using MODIS, MODIS+CALIPSO and with the AEROSAT Concept," Yoram J. Kaufman, invited talk, Aerosol-Cloud-Precip Science Workshop, Ventura, CA, August 5-7.

"Annual Aerocenter Updates Workshop," Yoram Kaufman, NASA GSFC, convener, Goddard Space Flight Center, August 28.

Platnick, S., R. J. Swap, S. Piketh: Overview of Namibian Sc Science and EOS/SAFARI 2000 activities. Gobabeb Research and Training Centre, Gobabeb, Namibia, September.

Lorraine Remer, University of Alabama, Huntsville, National Space Science & Technology Center, November 5-6.

"Two ESSIC seminars, one on L-1 observations and my experiences with Triana, the other on the state of cloud observations," Warren Wiscombe (while on sabbatical at University of Maryland, College Park):


ATMOSPHERIC CHEMISTRY AND DYNAMICS BRANCH

Ernest Hilsenrath, "Observations of Ozone Change, Air Quality, and Climate from Space," host: S. Lal, Ahmedabad, India, February 19.

Anne Thompson, "Ozone and NASA's Aura Satellite," host: Dr. Hajime Akimoto, Frontier Research Institute for Global Change, Yokohama, Japan, March 17.

Anne Thompson, "Perspectives on Tropical Ozone from Space," host: J. F. Casey, Dept. of Geosciences, University of Houston, Houston, Texas, April 15.

Jianping Mao, "Feasibility of space-based global measurements of atmospheric carbon dioxide: An exploratory study," host: Dr. Dale J. Allen, University of Maryland at College Park, April 25.

Anne Thompson, "Exploring Ozone Pollution from Satellite and Soundings," host: D. Winner, U. S. Environmental Protection Agency, Washington, DC, May 27.

Anne Thompson, "Tracking Ozone Pollution with Satellites," host: J. Verlinde, Dept. of Meteorology, Pennsylvania State University, State College, Pennsylvania, June 6.

Jianping Mao, "Sensitivity studies for space-based measurement of atmospheric carbon dioxide," host: Dr. Yongxiang Hu, NASA Langley Research Center, Hampton, Virginia, August 20.

Anne Thompson, "Tropical Tropospheric Ozone: Insights from Sondes and Satellites," host: Ross Salawich, Jet Propulsion Laboratory, Pasadena, California, September 30.

Anne Thompson, "Discoveries about Tropical Tropospheric Ozone from Satellite and Southern Hemisphere Additional Ozonesondes (SHADOZ)," host: Professor Eileen Hofmann, Center for Coastal Physical Oceanography, Old Dominion University, Norfolk, Virginia, November 10.

Ernest Hilsenrath, "The Aura Mission and its Educational and Outreach Program," host: R. Cebula, SSAI, Inc., Lanham, Maryland, November 13.

Andrew Dessler, "The physics of upper tropospheric water vapor," host: Rong Fu, Georgia Institute of Technology, Atlanta, Georgia, November 21.

Anne Thompson, "Current Issues in Tropospheric Ozone and the Upcoming AURA Mission," host: Professor Jose Fuentes, University of Virginia, Charlottesville, Virginia, November 21.