National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 1 “No Country is Immune from the Effects of Increased Greenhouse Gases” M. T. Chahine The JPL Green Club Von Karman Auditorium October 24, 2009 Credit: Edward T. Olsen, Luke Chen, Thomas S Pagano (JPL), Xun Jiang (U. Houston) and Yuk L. Yung (Caltech Campus)

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 2 “No Country is Immune from the Effects of Increased Greenhouse Gases” July 2003

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 3 Net Anthropogenic Forcing is Positive The Total net anthrpogenic effect is more than doubled by the feedback from water vapor. Water vapor is the most potent greenhouse gas in the Earth’s atmosphere

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder AIRS Greenhouse Gases Other AIRS Atmospheric Climate Products H2OH2O CH 4 CO 2 TemperatureCloudsCOO3O3 7 Years of AIRS Mid- Tropospheric Climate Data Atmospheric Infrared Sounder on the NASA Aqua Mission (9/2002-Present)

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder Spacecraft Remote Sensing Continues Historic CO 2 Monitoring Mauna Loa CO 2 from 1958 to 2000:  ( CO 2 )  380ppm - 310ppm = 70ppm Mean = 1.7 ppm/yr. Recent = 2 ppm/yr Larrabee Strow [U. Maryland] Charles Keeling Mauna Loa Observatory AIRS on AQUA spacecraft Since May 2002 Comparison with AIRS data are Global:  30º lat. 5

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder Growth in CO2 visible in AIRS Data 7 Years Available to Public in Dec ‘ Chahine, M. T., L. Chen, P. Dimotakis, X. Jiang, Q. Li, E. T. Olsen, T. Pagano, J. Randerson, and Y. L. Yung (2008), Satellite remote sounding of mid-tropospheric CO2, Geophys. Res. Lett., 35, L17807, doi: /2008GL ppm July

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 7 The Breathing Earth MODIS

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 8 VERSION V1.5x

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 9

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 10

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder Monthly Average AIRS Mid-Trop CO 2 May and July – 2003 through

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 12 Public Webpage Dimotakis GC&E update

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 13 Von Karman Auditorium October 24, Years of AIRS Mid-Tropospheric CO 2 Backup

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 14 TES – T, P, H 2 O, O 3, CH 4, CO MLS – O 3, H 2 O, CO OMI – O 3 Aerosol polarization 3-D Aerosols AIRS – T, P, H 2 O, CO 2, CH 4 MODIS – clouds, aerosols, albedo CO 2 p s, clouds, aerosols AIRS and OCO Were to Fly for Coordinated Observations 3-D Clouds Aerosol polarization NASA A-Train

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 15

National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology Pasadena, California Atmospheric Infrared Sounder 16 Scott Denning (CSU)