# Presentation: 844245

## Cloud and Aerosol Properties from MODIS:Results from Collection 5

- Cloud and Aerosol Properties from MODIS:Results from Collection 5

- Michael D. King
- NASA Goddard Space Flight Center

- 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

## Monthly Mean Cloud Fraction (S. A. Ackerman, R. A. Frey et al. – Univ. Wisconsin)

- Monthly Mean Cloud Fraction (S. A. Ackerman, R. A. Frey et al. – Univ. Wisconsin)

- April 2005 (Collection 5)

- Aqua

## Aqua Cloud Fraction – Terra Cloud Fraction

- April 2005 (Collection 5)

## Monthly Cloud Optical Thickness and Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC)

- Monthly Cloud Optical Thickness and Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC)

- April 2005 (Collection 5)

- Aqua (QA Mean)

## Zonal Mean Cloud Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC)

- Zonal Mean Cloud Effective Radius(M. D. King, S. Platnick et al. – NASA GSFC)

- April 2005 (Collection 5)

- Aqua

**Notes:**
QA-weighted & Pixel Count Weighting

## Monthly Mean Aerosol Optical Properties(L. A. Remer, Y. J. Kaufman, and D. Tanré et al. – GSFC, Univ. Lille)

- Monthly Mean Aerosol Optical Properties(L. A. Remer, Y. J. Kaufman, and D. Tanré et al. – GSFC, Univ. Lille)

- April 2005 (Collection 5)

- Aqua

## Aerosol Optical Thickness of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC)

- Aerosol Optical Thickness of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC)

- March 6, 2004

- 2.0

- 0.0

- 0.5

- 1.0

- 2.5

- Aerosol Optical Thickness

- 1.5

## Single Scattering Albedo of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC)

- Single Scattering Albedo of Dust plumes in Africa (N. C. Hsu, S. C. Tsay, M. D. King, and J. R. Herman – NASA GSFC)

- March 6, 2004

- 0.92

- 0.84

- 0.86

- 0.88

- 0.98

- Single Scattering Albedo

- 0.90

- 0.94

- 0.96

## MODIS Level-3 Monthly Global Browse Images

- modis-atmos.gsfc.nasa.gov

- Aerosol Land & Ocean
- Aerosol Land Only
- Aerosol Ocean Only
- Water Vapor
- Cirrus Detection
- Cloud Top Properties
- Cloud Optical Properties
- Atmospheric Profile

## 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_