MODIS/Aqua Aerosol Cloud Water Vapor Ozone Daily L3 Global 1Deg CMG (Collection 004 and 005)
Entry ID:
MYD08_D3
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Summary
Abstract:
MODIS was launched aboard the Aqua satellite on May 04, 2002 (1:30 pm equator crossing time) as part of NASA's Earth Observing System (EOS) mission. MODIS with its 2330 km viewing swath width provides almost daily global coverage. It acquires data in 36 high spectral resolution bands between 0.415 to 14.235 micron with ... spatial resolutions of 250m(2 bands), 500m(5 bands), and 1000m (29 bands). MODIS sensor counts, calibrated radiances, geolocation products and all derived geophysical atmospheric and ocean products are archived at NASA Goddard DAAC and has been made available to public since April 2000. This is a level-3 MODIS gridded atmosphere daily global joint product 'MYD08_D3'. It contains daily 1 x 1 degree grid average values of atmospheric parameters related to atmospheric aerosol particle properties, total ozone burden, atmospheric water vapor, cloud optical and physical properties, and atmospheric stability indices. This product also provides standard deviations, quality assurance weighted means and other statistically derived quantities for each parameter. The shortname for this level-3 MODIS atmosphere daily global product is MYD08_D3 and the principal investigator for this product are MODIS scientists : Dr. Yoram Kaufman ( kaufman@climate.gsfc.nasa.gov) for aerosol retrieval over land; Dr. Didier Tanre ( didier.tanre@univ-lille1.fr) for aerosol retrieval over ocean; Dr. Bo-Cai Gao (gao@rsd.nrl.navy.mil) for cirrus cloud detection; Dr. Paul Menzel (paulm@ssec.wisc.edu) for cloud top properties ; and Dr. Michael King(king@climate.gsfc.nasa.gov) for cloud optical properties. The level-3 atmosphere daily global product (MYD08_D3) consists of approximately 500 parameters that includes all statistically derived quantities. Essentially all level-3 MODIS atmosphere daily global parameters are derived from the four level-2 MODIS atmosphere products MYD04_L2, MYD05_L2, MYD06_L2, and MYD07_L2. Statistics are computed over a 1 degree equal-angle lat-lon grid that spans a 24-hour (0000 to 2400 Greenwich Mean Time) interval. Since the grid cells are 1 degree by 1 degree, the output grid is always 360 pixels in width and 180 pixels in length. MYD08_D3 product files are stored in Hierarchical Data Format (HDF-EOS). Each gridded global parameter is stored as Scientific Data Sets (SDS) within the file. For browsing and extracting data from these files, some software are made available at the site. MYD08_D3 PARAMETERS Aerosol over Land and Ocean: Optical Depth (0.55 micron) Aerosol over Land: Optical Depth at 0.47 and 0.66 (based on Continental Aerosol Model) Corrected Optical Depths at 0.47, 0.55, 0.66 mm (based on Dynamic Aerosol Model) Corrected Optical Depths at 0.47, 0.55, 0.66 mm for Smoke, Sulfate, Dust Aerosols Mass Concentration (based on 0.66 mm) Angstrom Exponents for Smoke, Sulfate, Dust Aerosol over Ocean: Effective Optical Depth at 7 bands (0.47, 0.55, 0.66, 0.87, 1.24, 1.64, 2.13 mm) Effective Radius, Mass Concentration, Cloud Condensation Nuclei (based on 0.55 mm) Ratio: Optical Depth of Small Particles relative to Effective Optical Depth (0.55 mm) Asymmetry Factor & Back Scattering Ratio at 7 bands Angstrom Exponents 1 (based on 0.55 and 0.865 mm) & 2 (based on 0.865 and 2.13 mm) Ozone: Total Column Ozone Water Vapor: Total Column Precipitable Water Vapor NIR based (clear, cloudy), IR based (lower, upper levels, total) Cloud: Cloud Top Parameters Cloud Top Pressure, Temperature, and Effective Emissivity(day,night, all) Cloud Particle Phase Infrared & Visible based retrievals (day, night, all) Cloud Optical Thickness and Effective Radius (water, ice, water + ice, undetermined, all phases) Cloud Water Path (liquid, ice, liquid + ice, undetermined, all phases) Cloud Fraction Visible and SWIR based (cirrus, contrail, water, ice, water + ice, undetermined, all phases) & IR based (day, night, all) Atmospheric State & Stability Indices: Total -Totals, Lifted Index, K Index Radiation Parameters: Cirrus Cloud & Contrail Reflectance Mean Surface Reflectance for Land (5 bands) and Ocean (7 bands) Normalized Reflected Flux for Land (0.47 and 0.66 mm) and Ocean (7 bands) Normalized Transmitted Flux for Land (0.47 and 0.66 mm) and Ocean (7 bands) Atmosphreic Scattering Angle for Land and Ocean Quality Assurance (QA) & Statistical Parameters: Uncertainty in Derived Parameters, Minimum, Maximum, Number of Pixels, Histograms, Correlation Parameters, QA Weighted, and other Statistically Derived Parameters More information about the atmospheric parameters and the statistically derived parameters of MYD08_D3 product listed in the table above are available from the MYD08_D3 web site. The MODIS Daily Product will be used in the simultaneously study of clouds, water vapor, aerosol , trace gases, land surface and oceanic properties, as well as the interaction between them and their effect on the Earth's energy budget and climate. This product will also be used to investigate seasonal and inter-annual changes in cirrus (semi-transparent) global cloud cover and cloud phase with multispectral observations at high spatial resolution. For more information about the MYD08_D3 product, please visit the MODIS-Atmosphere site at: http://modis-atmos.gsfc.nasa.gov/MOD08_D3/
Related URL
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Description:
Access Collection 5 data set MYD08_D3 from the LAADS FTP server.
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
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N: 90.0
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S: -90.0
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E: 180.0
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W: -180.0
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Data Resolution
Temporal Resolution:
6 minutes
Distribution
Distribution Media:
WWW, Telephone Voice Access
Distribution Format:
ASCII, GIF
Personnel
Role:
INVESTIGATOR
Phone:
757-627-7072
Fax:
757-627-7076
Email:
jcdixon at fob.noaa.gov
Contact Address:
National PORTS Outreach
NOAA at NAUTICUS
One Waterside Drive
City:
Norfolk
Province or State:
VA
Postal Code:
23510
Country:
USA
Role:
DIF AUTHOR
Email:
gsfc-gcmduso at mail.nasa.gov
Creation and Review Dates
DIF Creation Date:
1999-04-21
Last DIF Revision Date:
2012-03-06
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