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EDG Data Set Name
MODIS/Terra Surface Reflectance Daily L2G Global 500m ISIN Grid
Granule Shortname
MOD09GHK
Data Set Characteristics
Area = ~ 10° x 10° lat/long
Image Dimensions = 2400 x 2400 rows/columns
File Size = 50-500 MB
Resolution = ~500 meters
Projection = Integerized Sinusoidal
Data Format = HDF-EOS
Science Data Sets (SDSs) = 10
Product Description
The MODIS Surface Reflectance Daily L2G Global 500m ISIN Grid product, MOD09, is a seven-band product computed from the MODIS Level 1B land bands 1-7. The product is an estimate of the surface spectral reflectance for each band as it would have been measured at ground level if there were no atmospheric scattering or absorption. The correction scheme includes corrections for the effect of atmospheric gases, aerosols, and thin cirrus clouds; it is applied to all non-cloudy MOD35 Level 1B pixels that pass the Level 1B quality control. The correction uses band 26 to detect cirrus clouds, MOD05 for water vapor, MOD04 for aerosols, and MOD07 for ozone; the best available climatology data are used if the MODIS water vapor, aerosol, or ozone products are unavailable. The Level 2G surface reflectance product is the input for product generation for several land products: 8-day Surface Reflectance, Vegetation Indices (VIs), Bidirectional Reflectance Distribution Function (BRDF), thermal anomaly, snow/ice, and Fraction of Photosynthetically Active Radiation/Leaf Area Index (FPAR/LAI).
| SDS |
Units |
Data Type |
Fill Value |
Valid Range |
Scale Factor |
| Band 1 (620-670 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 2 (841-876 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 3 (459-479 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 4 (545-565 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 5 (1230-1250 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 6 (1628-1652 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| Band 7 (2105-2155 nm) |
Reflectance |
16-bit integer |
-28672 |
-100 - 16000 |
10000 |
| QC Flags |
Bit field |
32-bit unsigned integer |
787410671 |
0 - 4294966019 |
na |
| Orbit and Coverage |
na |
8-bit integer |
15 |
0 - 255 |
na |
| Number of observations |
na |
8-bit integer |
-1 |
0 - 127 |
na |
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| Data Center: |
LPDAAC |
| Sensor: |
MODIS |
| Dataset: |
MODIS/Terra Surface Reflectance Daily L2G Global 500m ISIN Grid |
| Geographic Extent: |
Type Lat/Long Range or Draw on Map |
| Temporal Extent: |
August 29, 2002 (2002241) - October 7, 2002 (2002280) |
Product Information
Contact Information
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