Description
The MOD09GA Version 6.1 product provides an estimate of the surface spectral reflectance of Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Bands 1 through 7, corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering. Provided along with the 500 meter (m) surface reflectance, observation, and quality bands are a set of ten 1 kilometer (km) observation bands and geolocation flags. The reflectance layers from the MOD09GA are used as the source data for many of the MODIS land products. Known Issues For complete information about known issues please refer to the MODIS/VIIRS Land Quality Assessment website.Improvements/Changes from Previous Versions The Version 6.1 Level-1B (L1B) products have been improved by undergoing various calibration changes that include: changes to the response-versus-scan angle (RVS) approach that affects reflectance bands for Aqua and Terra MODIS, corrections to adjust for the optical crosstalk in Terra MODIS infrared (IR) bands, and corrections to the Terra MODIS forward look-up table (LUT) update for the period 2012 - 2017.* A polarization correction has been applied to the L1B Reflective Solar Bands (RSB).
Resources
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| Data Information (Unknown Format) | Binary | Open resource | |
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| Data Information (JPEG) | JPG | BROWSE.MOD09GA.A2024196.h21v10.061.2024198054054.1.jpg | Open resource |
| Data Information (HTML) | HTML | MOD09GA.061 | Open resource |
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| Data Information (PDF) | MOD09_ATBD.pdf | Open resource | |
| Data Information (PDF) | MOD09_User_Guide_V61.pdf | Open resource | |
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| Data Information (HTML) | HTML | MODLAND_val.html | Open resource |
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| Data Information (HTML) | HTML | contents.html | Open resource |
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| Data Information (JPEG) | JPG | MODIS_Terra_L2G_SurfaceReflectance_Bands143_Daily.jpg | Open resource |
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| Data Information (Unknown Format) | Binary | Open resource |