V005 MODIS Terra+Aqua Albedo 0.05Deg CMG QA Science Data Sets
The table below lists the four Science Data Sets representing Quality in the Albedo, with applicable QC bit legends. Note that Local_Solar_Noon, Percent_Inputs, and Percent_Snow do not utilize their full 0 - 254 range (see below).
This information is excerpted from the file specifications for V005 MCD43C3 found at ftp://modular.nascom.nasa.gov/pub/LatestFilespecs/collection5/ .
Bit Comb.
BRDF_Albedo_Quality
0
best quality, 75% or more with best full inversions
1
good quality, 75% or more with full inversions
2
Mixed, 75% or less full inversions and 25% or less fill values
3
All magnitude inversions or 50% or less fill values
4
50% or more fill values
255
FillValue
Local_Solar_Noon
0-254
Zenith Angle at local solar noon (0 - 180 degrees)
255
FillValue
Percent_Inputs
0-254
Percent of the processed finer resolution data which contributed to this CMG pixel (0 - 100%)
255
FillValue
Percent_Snow
0-254
Percent of underlying data flagged as snow (0 - 100%)
255
FillValue
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Last Update: Monday, March 12, 2007