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Cloud and Aerosol Properties from MODIS: Results from Collection 5

Cloud and Aerosol Properties from MODIS: Results from Collection 5. MODIS atmosphere products Examples from Terra & Aqua ( Collection 5 ) Cloud fraction Cloud optical & microphysical properties Aerosol properties Aerosol optical thickness & fine mode fraction

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Cloud and Aerosol Properties from MODIS: Results from Collection 5

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  1. Cloud and Aerosol Properties from MODIS:Results from Collection 5 • MODIS atmosphere products • Examples from Terra & Aqua (Collection 5) • Cloud fraction • Cloud optical & microphysical properties • Aerosol properties • Aerosol optical thickness & fine mode fraction • Deep blue algorithm for desert surfaces • Zonal cross sections Michael D. King NASA Goddard Space Flight Center

  2. Monthly Mean Cloud Fraction (S. A. Ackerman, R. A. Frey et al. – Univ. Wisconsin) April 2005 (Collection 5) Aqua

  3. Aqua Cloud Fraction – Terra Cloud Fraction April 2005 (Collection 5)

  4. Monthly Cloud Optical Thickness and Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC) April 2005 (Collection 5) Aqua (QA Mean)

  5. Zonal Mean Cloud Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC) April 2005 (Collection 5) Aqua

  6. Monthly Mean Aerosol Optical Properties(L. A. Remer, Y. J. Kaufman, and D. Tanré et al. – GSFC, Univ. Lille) April 2005 (Collection 5) Aqua

  7. Aerosol Optical Thickness of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC) 2.5 2.0 1.5 Aerosol Optical Thickness 1.0 0.5 0.0 March 6, 2004

  8. Single Scattering Albedo of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC) 0.98 0.96 0.94 0.92 Single Scattering Albedo 0.90 0.88 0.86 0.84 March 6, 2004

  9. MODIS Level-3 Monthly Global Browse Images • Aerosol Land & Ocean • Aerosol Land Only • Aerosol Ocean Only • Water Vapor • Cirrus Detection • Cloud Top Properties • Cloud Optical Properties • Atmospheric Profile modis-atmos.gsfc.nasa.gov

  10. Summary and Resources • Terra and Aqua • MODIS atmosphere products (descriptions, level-1b and level-3 browse imagery, documentation, contact information, tools for working with and ordering data…) • modis-atmos.gsfc.nasa.gov • MODIS online visualization and analysis system (Giovanni) • MODIS surface albedo, ecosystem, and NDVI filled-in global data sets • Collection 5 enhancements and reprocessing • Atmosphere reprocessing of Aqua began on April 1, 2006 (January 2005 to present, then back to beginning of Aqua around July 4, 2002) and is now complete • Atmosphere reprocessing of Terra began on July 18, 2006 (January 2005 to present, then back to beginning of Terra around February 24, 2000) and is now complete • Aqua reprocessing of aerosol product, with deep blue, starting this week • Aqua and Terra forward stream near real-time • Data available for browse (level-1 and atmosphere level-2 and level-3) and ordering at Level 1 and Atmosphere Archive and Distribution System (LAADS) • ladsweb.nascom.nasa.gov

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