Name |
Units |
Min |
Max |
Scale |
Wavelength |
Description |
sur_refl_b01 |
|
-100
|
16000
|
0.0001 |
620-670nm |
Surface reflectance for band 1 |
sur_refl_b02 |
|
-100
|
16000
|
0.0001 |
841-876nm |
Surface reflectance for band 2 |
sur_refl_b03 |
|
-100
|
16000
|
0.0001 |
459-479nm |
Surface reflectance for band 3 |
sur_refl_b04 |
|
-100
|
16000
|
0.0001 |
545-565nm |
Surface reflectance for band 4 |
sur_refl_b05 |
|
-100
|
16000
|
0.0001 |
1230-1250nm |
Surface reflectance for band 5 |
sur_refl_b06 |
|
-100
|
16000
|
0.0001 |
1628-1652nm |
Surface reflectance for band 6 |
sur_refl_b07 |
|
-100
|
16000
|
0.0001 |
2105-2155nm |
Surface reflectance for band 7 |
QA |
|
|
|
|
|
Surface reflectance 500m band quality control flags |
Bitmask for QA
-
Bits 0-1: MODLAND QA bits
- 0: Corrected product produced at ideal quality - all bands
- 1: Corrected product produced at less than ideal
quality - some or all bands
- 2: Corrected product not produced due to cloud effects - all bands
- 3: Corrected product not produced for other reasons
- some or all bands, may be fill value (11) [Note that
a value of (11) overrides a value of (01)]
-
Bits 2-5: Band 1 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological
data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained
to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 6-9: Band 2 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological
data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained
to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 10-13: Band 3 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological
data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 14-17: Band 4 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 18-21: Band 5 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 22-25: Band 6 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bits 26-29: Band 7 data quality, four bit range
- 0: Highest quality
- 7: Noisy detector
- 8: Dead detector, data interpolated in L1B
- 9: Solar zenith >= 86 degrees
- 10: Solar zenith >= 85 and < 86 degrees
- 11: Missing input
- 12: Internal constant used in place of climatological data for at least one atmospheric constant
- 13: Correction out of bounds, pixel constrained to extreme allowable value
- 14: L1B data faulty
- 15: Not processed due to deep ocean or clouds
-
Bit 30: Atmospheric correction performed
-
Bit 31: Adjacency correction performed
|
SolarZenith |
deg |
0
|
18000
|
0.01 |
|
MODIS Solar zenith angle |
ViewZenith |
deg |
0
|
18000
|
0.01 |
|
MODIS view zenith angle |
RelativeAzimuth |
deg |
-18000
|
18000
|
0.01 |
|
MODIS relative azimuth angle |
StateQA |
|
|
|
|
|
Surface reflectance 500m state flags |
Bitmask for StateQA
-
Bits 0-1: Cloud state
- 0: Clear
- 1: Cloudy
- 2: Mixed
- 3: Not set, assumed clear
-
Bit 2: Cloud shadow
-
Bits 3-5: Land/water flag
- 0: Shallow ocean
- 1: Land
- 2: Ocean coastlines and lake shorelines
- 3: Shallow inland water
- 4: Ephemeral water
- 5: Deep inland water
- 6: Continental/moderate ocean
- 7: Deep ocean
-
Bits 6-7: Aerosol quantity
- 0: Climatology
- 1: Low
- 2: Average
- 3: High
-
Bits 8-9: Cirrus detected
- 0: None
- 1: Small
- 2: Average
- 3: High
-
Bit 10: Internal cloud algorithm flag
-
Bit 11: Internal fire algorithm flag
-
Bit 12: MOD35 snow/ice flag
-
Bit 13: Pixel is adjacent to cloud
-
Bit 14: BRDF correction performed data
-
Bit 15: Internal snow mask
|
DayOfYear |
|
1
|
366
|
|
|
Julian day of the year for the pixel |