=====================================================================
==
MCD43A2 V6.0.0 16dy L3
-------------------MODIS HDF File Specification
Version: V6.0.0
Date: April-13
=====================================================================
==
A note on MCD43 BRDF/Albedo HDF file designators:
ProductIDs Status
Description
Process
------------------------------------------------------------------------MCD43A1 archived BRDF/Albedo Model Parameters 0.5km MOD_PR43B
MCD43A2 archived BRDF/Albedo Quality 0.5 km
MOD_PR43B
MCD43A3 archived Albedo 0.5 km
MOD_PR43B
MCD43A4 archived Nadir BRDF-adj. reflect. NBAR 0.5km MOD_PR43B
MCD43C1
archived CMG BRDF/Albedo Model Parameters MOD_PR43C1
MCD43C2
archived CMG BRDF/Albedo Snow-free Parms. MOD_PR43C1
MCD43C3
archived CMG Albedo
MOD_PR43C3
MCD43C4
archived CMG Nadir BRDF-adj. reflect. NBAR MOD_PR43C3
MCD43D01-30 not archived BRDF/Albedo Model Parameters 1km MOD_PR43C1
MCD43D31 not archived BRDF/Albedo Quality 1km
MOD_PR43C1
MCD43D32 not archived Local Solar Noon
MOD_PR43C1
MCD43D33 not archived BRDF/Albedo ValidObs
MOD_PR43C1
MCD43D34 not archived Snow BRDF Albedo
MOD_PR43C1
MCD43D35 not archived BRDF/Albedo Uncertainty
MOD_PR43C1
=====================================================================
====
Product Identifier: MCD43A2
Description: 16-day BRDF/Albedo Quality Product 500m Global SIN Grid
Contents:
CoreMetadata.0
This string will contain the following PVL fields:
Field Name
Type
Data no. of Value
values
GROUP = INVENTORYMETADATA
GROUP = CollectionDescriptionClass
SHORTNAME
STRING 1 "MCD43A2"
VERSIONID
INTEGER 1 Variable
END_GROUP = CollectionDescriptionClass
GROUP = ECSDataGranule
LOCALGRANULEID
STRING 1 Variable
SIZEMBECSDATAGRANULE
DOUBLE 1 Variable
PRODUCTIONDATETIME
STRING 1 Variable
DAYNIGHTFLAG
STRING 1 Variable
REPROCESSINGACTUAL
STRING 1 "processed once"
REPROCESSINGPLANNED
STRING 1 "further update is anticipated"
LOCALVERSIONID
STRING 1 Variable
END_GROUP = ECSDataGranule
GROUP = PGEVersionClass
PGEVERSION
STRING
END_GROUP = PGEVersionClass
GROUP = InputGranule
InputPointer
STRING
END_GROUP = InputGranule
GROUP = RangeDateTime
RANGEBEGINNINGDATE
RANGEENDINGDATE
RANGEBEGINNINGTIME
RANGEENDINGTIME
END_GROUP = RangeDateTime
GROUP = GRingPoint
EXCLUSIONGRINGFLAG
GRINGPOINTLATITUDE
GRINGPOINTLONGITUDE
GRINGPOINTSEQUENCENO
END_GROUP = GRingPoint
GROUP = MeasuredParameter
PARAMETERNAME
FR
1
"2" or Variable
Variable
STRING
1 Variable
STRING
1 Variable
STRING 1 Variable
STRING
1 Variable
STRING 1 Variable
DOUBLE 4 Variable
DOUBLE 4 Variable
INTEGER 4 Variable
STRING
1
Variable
(A)
GROUP = QAFlags
AUTOMATICQUALITYFLAG
STRING 1 "Pass"
AUTOMATICQUALITYFLAGEXPLANATION STRING 1 "No automatic
quality assessment is performed in the PGE"
OPERATIONALQUALITYFLAG
STRING 1 Variable
OPERATIONALQUALITYFLAGEXPLANATION STRING 1 Variable
SCIENCEQUALITYFLAG
STRING 1 Variable
SCIENCEQUALITYFLAGEXPLANATION STRING 1
"http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/qaFlagPage.cgi?sat=aquaTerra"
END_GROUP = QAFlags
GROUP = QAStats
QAPERCENTINTERPOLATEDDATA
INTEGER 1 Variable
QAPERCENTMISSINGDATA
INTEGER 1 Variable
QAPERCENTOUTOFBOUNDSDATA
INTEGER 1 Variable
END_GROUP = QAStats
END_GROUP = MeasuredParameter
GROUP = AdditionalAttributes
AdditionalAttributeName
STRING
17
ADDITIONALATTRIBUTENAME.1 = "QAPERCENTGOODQUALITY"
ADDITIONALATTRIBUTENAME.2 = "QAPERCENTOTHERQUALITY"
ADDITIONALATTRIBUTENAME.3 =
"QAPERCENTNOTPRODUCEDCLOUD"
ADDITIONALATTRIBUTENAME.4 =
"QAPERCENTNOTPRODUCEDOTHER"
ADDITIONALATTRIBUTENAME.5 = "HORIZONTALTILENUMBER"
ADDITIONALATTRIBUTENAME.6 = "VERTICALTILENUMBER"
ADDITIONALATTRIBUTENAME.7 = "TileID"
ADDITIONALATTRIBUTENAME.8 = "BRDFCODEID"
ADDITIONALATTRIBUTENAME.9 = "SETUPFILEID"
ADDITIONALATTRIBUTENAME.10 = "ALBEDOFILEID"
ADDITIONALATTRIBUTENAME.11 = "BRDFDATABASEVERSION"
ADDITIONALATTRIBUTENAME.12 = "PERCENTLANDINTILE"
ADDITIONALATTRIBUTENAME.13 = "PERCENTPROCESSEDINTILE"
ADDITIONALATTRIBUTENAME.14 = "PERCENTNEWBRDF"
ADDITIONALATTRIBUTENAME.15 = "PERCENTSHAPEFIXEDBRDFS"
ADDITIONALATTRIBUTENAME.16 = "PERCENTSUBSTITUTEBRDFS"
ADDITIONALATTRIBUTENAME.17 = "AVERAGENUMBEROBS"
ParameterValue
STRING 17
Variable
END_GROUP = AdditionalAttributes
GROUP = AssociatedPlatformInstrumentSensor
AssociatedPlatformShortName.1
STRING "Terra"
AssociatedInstrumentShortName.1 STRING "MODIS"
AssociatedSensorName.1
STRING "MODIS"
AssociatedPlatformShortName.2
STRING "Aqua"
AssociatedInstrumentShortName.2 STRING "MODIS"
AssociatedSensorName.2
STRING "MODIS"
END_GROUP = AssociatedPlatformInstrumentSensor
END_GROUP = INVENTORYMETADATA
ArchiveMetadata.0
This string will contain the following PVL fields:
Field Name
Data no. of Value
Type values
GROUP = ARCHIVEMETADATA
GROUP = BoundingRectangle
WESTBOUNDINGCOORDINATE
NORTHBOUNDINGCOORDINATE
EASTBOUNDINGCOORDINATE
SOUTHBOUNDINGCOORDINATE
END_GROUP = BoundingRectangle
DOUBLE 1 Variable
DOUBLE 1 Variable
DOUBLE 1 Variable
DOUBLE 1 Variable
ALGORITHMPACKAGEACCEPTANCEDATE STRING 1 "mmyyyy"
ALGORITHMPACKAGEMATURITYCODE STRING 1 "Normal"
ALGORITHMPACKAGENAME
STRING 1 "MCDPR_43A"
ALGORITHMPACKAGEVERSION
STRING 1 "5"
GEOANYABNORMAL
STRING 1 Variable
GEOESTMAXRMSERROR
DOUBLE 1 Variable
LONGNAME
STRING 1 Variable
SPSOPARAMETERS
STRING 2 "3669, 4332"
PROCESSINGCENTER
STRING 1 "MODAPS"
CHARACTERISTICBINANGULARSIZE DOUBLE 1 Variable
CHARACTERISTICBINSIZE
DOUBLE 1 Variable
DATACOLUMNS
INTEGER 1 Variable
DATAROWS
INTEGER 1 Variable
GLOBALGRIDCOLUMNS
INTEGER 1 Variable
GLOBALGRIDROWS
INTEGER 1 Variable
MAXIMUMOBSERVATIONS
INTEGER 1 Variable
NUMBEROFGRANULES
INTEGER 1 Variable
COVERAGECALCULATIONMETHOD
STRING 1 Variable
NADIRDATARESOLUTION
STRING 1 Variable
PROCESSINGENVIRONMENT
STRING 1 "Linux or SGI"
DAYSPROCESSED
STRING 1 "yyyyddd"
END_GROUP = ARCHIVEMETADATA
StructuralMetadata.0
This string will be populated automatically by HDF-EOS.
Grid Structure: MODIS_Grid_BRDF
Dimension
Dimension_0
Dimension_1
Dimension_2
Dimension_3
Dimension_4
Dimension Name
Value
Ydim:MODIS_Grid_BRDF
Variable
Xdim:MODIS_Grid_BRDF
Variable
Num_Land_Bands_Plus3:MODIS_Grid_BRDF Variable
Num_Parameters:MODIS_Grid_BRDF
Variable
Num_Shape_Fields:MODIS_Grid_BRDF
Variable
Corner Locations:
Corner
Values
UpperLeftPointMtrs
(Variable, Variable)
LowerRightPointMtrs (Variable, Variable)
Geographic Grid Projection Parameters -- Note that all grid
parameters are currently under development and may need to
be revised prior to V2.0 code delivery.
Supported Grids: Geographic Grid
Sinusoidal
Interrupted Goodes Homolosine
Projection gridID = GCTP_GEO
ProjParam[0]
not used
ProjParam[1]
not used
ProjParam[2]
not used
ProjParam[3]
not used
ProjParam[4]
not used
ProjParam[5]
not used
ProjParam[6]
not used
ProjParam[7]
ProjParam[8]
ProjParam[9]
ProjParam[10]
ProjParam[11]
ProjParam[12]
Spherecode
GridOrigin
not used
not used
not used
not used
not used
not used
not used
HDFE_GD_UL
Projection gridID = GCTP_ISINUS
ProjParam[0]
6371007.181
ProjParam[1]
TBD
ProjParam[2]
0.0
ProjParam[3]
0.0
ProjParam[4]
0.0
ProjParam[5]
0.0
ProjParam[6]
0.0
ProjParam[7]
0.0
ProjParam[8]
86400
ProjParam[9]
0.0
ProjParam[10]
1.0
ProjParam[11]
0.0
ProjParam[12]
0.0
Spherecode
-1
GridOrigin
HDFE_GD_UL
Projection gridID GCTP_GOOD
ProjParam[0]
not used
ProjParam[1]
not used
ProjParam[2]
not used
ProjParam[3]
not used
ProjParam[4]
not used
ProjParam[5]
not used
ProjParam[6]
not used
ProjParam[7]
not used
ProjParam[8]
not used
ProjParam[9]
not used
ProjParam[10]
not used
ProjParam[11]
not used
ProjParam[12]
not used
Spherecode
19
GridOrigin
HDFE_GD_UL
=====================================================================
=========
Description of Data Fields
--------------------------------
DataField_1
Data Field Name:
Description:
UINT8 SNOW_BRDF_Albedo("YDim","XDim")
Snow-free or snow BRDF/Albedo retrieved
Mandatory QA 0 = Snow-free Albedo Retrieved
1 = Snow Albedo Retrieved
255 = Fill Value
Data Field Attributes:
Name:
Type:
Num_Val:
long_name
HDF-STRING 1
units
HDF-STRING 1
valid_range
HDF-uint8
2
_FillValue
HDF-uint8
1
Source:
Value:
Code
"Snow_BRDF_Albedo"
Code
"concatenated flags"
Code
0, 254
Code
255
--------------------------------------------------------------------------DataField_2
Data Field Name:
UINT8 BRDF_Albedo_Platform ("YDim","XDim")
Description:
BRDF Albedo Platform information
0 = Terra
1 = Terra/Aqua
2 = Aqua
Data Field Attributes:
Name:
Type:
Num_Val:
Source:
Value:
long_name
HDF-STRING 1
Code "BRDF_Albedo_Platform"
units
HDF-STRING 1
Code
"concatenated flags"
valid_range
HDF-uint8 2
Code
0, 254
_FillValue
HDF-uint8
1
Code
255
--------------------------------------------------------------------------DataField_3
Data Field Name:
UINT8 BRDF_Albedo_LandWaterType ("YDim","XDim")
Description:
Land Water Type
0 = Shallow ocean
1 = Land (Nothing else but land)
2 = Ocean coastlines and lake shorelines
3 = Shallow inland water
4 = Ephemeral water
5 = Deep inland water
6 = Moderate or continental ocean
7 = Deep ocean
Data Field Attributes:
Name:
Type:
Num_Val:
Source:
Value:
long_name
HDF-STRING 1
Code "BRDF_Albedo_LandWaterType"
units
HDF-STRING 1
Code
"concatenated flags"
valid_range
HDF-uint8 2
Code
0, 254
_FillValue
HDF-uint8 1
Code
255
--------------------------------------------------------------------------DataField_4
Data Field Name:
UINT8 BRDF_Albedo_LocalSolarNoon ("YDim","XDim")
Description:
Solar Zenith Angle of Local Solar Noon
Data Field Attributes:
Name:
Type:
Num_Val:
Source:
Value:
long_name
HDF-STRING 1
Code "BRDF_Albedo_LocalSolarNoon"
units
HDF-STRING 1
Code
"concatenated flags"
valid_range
HDF-uint8 2
Code
0, 254
_FillValue
HDF-uint8 1
Code
255
-------------------------------------------------------------------------
DataField_5
Data Field Name:
Description:
UINT16 BRDF_Albedo_ValidObs_Band1 ("YDim","XDim")
Valid Observation for Band1
Bit field legend; HDF-uint16,
bit
Long name
Key
0 = day 1 reflectance quality; 0 observation not used, 1 valid clear observation
1 = day 2 reflectance quality; 0 observation not used, 1 valid clear observation
.
.
.
15 = day 16 reflectance quality; 0 observation not used, 1 valid clear observation
Data Field Attributes:
Name:
Type:
Num_Val:
long_name
HDF-STRING 1
units
HDF-STRING 1
valid_range
HDF-uint16 2
_FillValue
HDF-uint16 1
Source:
Value:
Code "BRDF_Albedo_ValidObs_Band1"
Code
"concatenated flags"
Code
0, 65535
Code
0
------------------------------------------------------------------------Data_Field_6 .... Data_Field_11 BRDF Albedo ValidObs for MODIS Bands 2-7
------------------------------------------------------------------------DataField_12
Data Field Name:
Description:
UINT8 BRDF_Albedo_Band_Quality_Band1 ("YDim","XDim")
BRDF Inversion Information
0 = best quality, full inversion (WoDs, RMSE majority good)
1 = good quality, full inversion
2 = Magnitude inversion (numobs >=7)
3 = Magnitude inversion (numobs >=2&<7)
4 = Fill value
Data Field Attributes:
Name:
Type:
Num_Val:
Source:
Value:
long_name
HDF-STRING 1
units
HDF-STRING 1
valid_range
HDF-uint8
2
_FillValue
HDF-uint8
1
Code
"BRDF_Albedo_Band_Quality_Band1"
Code
"concatenated flags"
Code
0, 254
Code
255
----------------------------------------------------------------------------
Data_Field_13 .... Data_Field_18 BRDF_Albedo_Band_Quality for MODIS Bands 2-7
---------------------------------------------------------------------------DataField_19
Data Field Name:
Description:
UINT16 BRDF_Albedo_Uncertainty ("YDim","XDim")
BRDF Inversion Information
Data conversions:
file data=( BRDF_Albedo_Uncertainty / scale_factor) + add_offset
Data Field Attributes:
Name:
Type:
Num_Val:
long_name
HDF-STRING 1
units
HDF-STRING 1
valid_range
HDF-uint16 2
_FillValue
HDF-uint16 1
scale_factor
HDF-float64 1
add_offset
HDF-float64 1
Source:
Value:
Code
"BRDF_Albedo_Uncertainty"
Code
"concatenated flags"
Code
0, 32766
Code
32767
Code
0.001
Code
0.0