======================================================================= MCD43A1 V6.1.0 daily L3 -------------------- MODIS HDF File Specification Version: V6.1.0 Date: Dec-2021 ======================================================================= 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 0.05degree MOD_PR43C1 MCD43C2 archived CMG BRDF/Albedo Snow-free Parmameters 0.05degree MOD_PR43C1 MCD43C3 archived CMG Albedo 0.05degree MOD_PR43C3 MCD43C4 archived CMG Nadir BRDF-adj. reflect. NBAR 0.05degree MOD_PR43C3 MCD43D01-30 archived BRDF/Albedo Model Parameters 30arc sec MOD_PR43C1 MCD43D31 archived BRDF/Albedo Quality 30arc sec MOD_PR43C1 MCD43D32 archived Local Solar Noon 30arc sec MOD_PR43C1 MCD43D33 archived BRDF/Albedo ValidObs Band1 30arc sec MOD_PR43C1 MCD43D34 archived BRDF/Albedo ValidObs Band2 30arc sec MOD_PR43C1 MCD43D35 archived BRDF/Albedo ValidObs Band3 30arc sec MOD_PR43C1 MCD43D36 archived BRDF/Albedo ValidObs Band4 30arc sec MOD_PR43C1 MCD43D37 archived BRDF/Albedo ValidObs Band5 30arc sec MOD_PR43C1 MCD43D38 archived BRDF/Albedo ValidObs Band6 30arc sec MOD_PR43C1 MCD43D39 archived BRDF/Albedo ValidObs Band7 30arc sec MOD_PR43C1 MCD43D40 archived BRDF/Albedo Snow status 30arc sec MOD_PR43C1 MCD43D41 archived BRDF/Albedo Uncertainty 30arc sec MOD_PR43C1 MCD43D42 archived BRDF/Albedo BSA Band1 30arc sec MOD_PR43C1 MCD43D43 archived BRDF/Albedo BSA Band2 30arc sec MOD_PR43C1 MCD43D44 archived BRDF/Albedo BSA Band3 30arc sec MOD_PR43C1 MCD43D45 archived BRDF/Albedo BSA Band4 30arc sec MOD_PR43C1 MCD43D46 archived BRDF/Albedo BSA Band5 30arc sec MOD_PR43C1 MCD43D47 archived BRDF/Albedo BSA Band6 30arc sec MOD_PR43C1 MCD43D48 archived BRDF/Albedo BSA Band7 30arc sec MOD_PR43C1 MCD43D49 archived BRDF/Albedo BSA VIS 30arc sec MOD_PR43C1 MCD43D50 archived BRDF/Albedo BSA NIR 30arc sec MOD_PR43C1 MCD43D51 archived BRDF/Albedo BSA Shortwave 30arc sec MOD_PR43C1 MCD43D52 archived BRDF/Albedo WSA Band1 30arc sec MOD_PR43C1 MCD43D53 archived BRDF/Albedo WSA Band2 30arc sec MOD_PR43C1 MCD43D54 archived BRDF/Albedo WSA Band3 30arc sec MOD_PR43C1 MCD43D55 archived BRDF/Albedo WSA Band4 30arc sec MOD_PR43C1 MCD43D56 archived BRDF/Albedo WSA Band5 30arc sec MOD_PR43C1 MCD43D57 archived BRDF/Albedo WSA Band6 30arc sec MOD_PR43C1 MCD43D58 archived BRDF/Albedo WSA Band7 30arc sec MOD_PR43C1 MCD43D59 archived BRDF/Albedo WSA VIS 30arc sec MOD_PR43C1 MCD43D60 archived BRDF/Albedo WSA NIR 30arc sec MOD_PR43C1 MCD43D61 archived BRDF/Albedo WSA Shortwave 30arc sec MOD_PR43C1 MCD43D62 archived BRDF/Albedo NBAR Band1 30arc sec MOD_PR43C1 MCD43D63 archived BRDF/Albedo NBAR Band2 30arc sec MOD_PR43C1 MCD43D64 archived BRDF/Albedo NBAR Band3 30arc sec MOD_PR43C1 MCD43D65 archived BRDF/Albedo NBAR Band4 30arc sec MOD_PR43C1 MCD43D66 archived BRDF/Albedo NBAR Band5 30arc sec MOD_PR43C1 MCD43D67 archived BRDF/Albedo NBAR Band6 30arc sec MOD_PR43C1 MCD43D68 archived BRDF/Albedo NBAR Band7 30arc sec MOD_PR43C1 ======================================================================================== Product Identifier: MCD43A1 Description: Daily BRDF/Albedo Model Parameters Global 500m SIN Grid Contents: CoreMetadata.0 This string will contain the following PVL fields: Field Name Data no. of Value Type values GROUP = INVENTORYMETADATA GROUP = CollectionDescriptionClass SHORTNAME STRING 1 "MCD43A1" 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 1 "2" or Variable END_GROUP = PGEVersionClass GROUP = InputGranule InputPointer STRING FR Variable END_GROUP = InputGranule GROUP = RangeDateTime RANGEBEGINNINGDATE STRING 1 Variable RANGEENDINGDATE STRING 1 Variable RANGEBEGINNINGTIME STRING 1 Variable RANGEENDINGTIME STRING 1 Variable END_GROUP = RangeDateTime GROUP = GRingPoint EXCLUSIONGRINGFLAG STRING 1 Variable GRINGPOINTLATITUDE DOUBLE 4 Variable GRINGPOINTLONGITUDE DOUBLE 4 Variable GRINGPOINTSEQUENCENO INTEGER 4 Variable END_GROUP = GRingPoint GROUP = MeasuredParameter PARAMETERNAME 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 DOUBLE 1 Variable NORTHBOUNDINGCOORDINATE DOUBLE 1 Variable EASTBOUNDINGCOORDINATE DOUBLE 1 Variable SOUTHBOUNDINGCOORDINATE DOUBLE 1 Variable END_GROUP = BoundingRectangle 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 Name Value Dimension_0 Ydim:MODIS_Grid_BRDF Variable Dimension_1 Xdim:MODIS_Grid_BRDF Variable Dimension_2 Num_Land_Bands_Plus3:MODIS_Grid_BRDF Variable Dimension_3 Num_Parameters:MODIS_Grid_BRDF Variable Dimension_4 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] not used ProjParam[8] not used ProjParam[9] not used ProjParam[10] not used ProjParam[11] not used ProjParam[12] not used Spherecode not used GridOrigin 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: BYTE BRDF_Albedo_Band_Mandatory_Quality_Band1("YDim","XDim") Description: BRDF Albedo Mandatory Quality for band 1 Data conversions: Mandatory QA 0 = processed, good quality (full BRDF inversions) 1 = processed, see other QA (magnitude BRDF inversions) 255 = Fill Value Data Field Attributes: Name: Type: Num_Val: Source: Value: long_name HDF-STRING 1 Code "BRDF_Albedo_Band_Mandatory_Quality_Band1" units HDF-STRING 1 Code "concatenated flags" valid_range HDF-uint8 2 Code 0, 254 _FillValue HDF-uint8 1 Code 255 ------------------------------------------------------------------------ Data_Field_2 .... Data_Field_8 BRDF Albedo Mandatory Quality for Band 2-7 and VIS ------------------------------------------------------------------------ Data_Field_9 Data Field Name: BYTE BRDF_Albedo_Band_Mandatory_Quality_nir("YDim","XDim") Description: BRDF Albedo Mandatory Quality for NIR Data conversions: Mandatory QA 0 = processed, good quality (full BRDF inversions) 1 = processed, see other QA (magnitude BRDF inversions) 2 = processed, good quality (full BRDF inversions, only Band 6 is fill value due to non-functional or noisy detectors) 3 = processed, see other QA (magnitude BRDF inversions, only Band 6 is fill value due to non-functional or noisy detectors) 4 = processed, good quality (full BRDF inversions, only Band 5 is fill value due to non-functional or noisy detectors) 5 = processed, see other QA (magnitude BRDF inversions, only Band 5 is fill value due to non-functional or noisy detectors) 6 = processed, good quality (full BRDF inversions, both Band5 and Band 6 are fill value due to non-functional or noisy detectors) 7 = processed, see other QA (magnitude BRDF inversions, both Band 5 and Band 6 are fill value due to non-functional or noisy detectors) Data Field Attributes: Name: Type: Num_Val: Source: Value: long_name HDF-STRING 1 Code "BRDF_Albedo_Band_Mandatory_Quality_nir" units HDF-STRING 1 Code "concatenated flags" valid_range HDF-uint8 2 Code 0, 254 _FillValue HDF-uint8 1 Code 255 ------------------------------------------------------------------------ Data_Field_10 Data Field Name: BYTE BRDF_Albedo_Band_Mandatory_Quality_shortwave("YDim","XDim") Description: BRDF Albedo Mandatory Quality for shortwave broadband Data conversions: Mandatory QA 0 = processed, good quality (full BRDF inversions) 1 = processed, see other QA (magnitude BRDF inversions) 2 = processed, good quality (full BRDF inversions, only Band 6 is fill value due to non-functional or noisy detectors) 3 = processed, see other QA (magnitude BRDF inversions, only Band 6 is fill value due to non-functional or noisy detectors) 4 = processed, good quality (full BRDF inversions, only Band 5 is fill value due to non-functional or noisy detectors) 5 = processed, see other QA (magnitude BRDF inversions, only Band 5 is fill value due to non-functional or noisy detectors) 6 = processed, good quality (full BRDF inversions, both Band5 and Band 6 are fill value due to non-functional or noisy detectors) 7 = processed, see other QA (magnitude BRDF inversions, both Band 5 and Band 6 are fill value due to non-functional or noisy detectors) Data Field Attributes: Name: Type: Num_Val: Source: Value: long_name HDF-STRING 1 Code "BRDF_Albedo_Band_Mandatory_Quality_shortwave" units HDF-STRING 1 Code "concatenated flags" valid_range HDF-uint8 2 Code 0, 254 _FillValue HDF-uint8 1 Code 255 ------------------------------------------------------------------------ Data_Field_11 Data Field Name: INT16 BRDF_Albedo_Parameters_Band1("YDim","XDim", "Num_Parameters") Description: BRDF and albedo model parameters for band 1 Note: The parameters (iso, fvol, fgeo) given are simultaneously the parameters for the BRDF model, allowing the derivation of bidirectional reflectance for given angles, and for a corresponding albedo model, operational through a small look-up table, allowing derivation of black-sky albedo at any solar zenith angle, and white-sky albedo. Data conversions: file data=(BRDF_Albedo_Parameters / scale_factor) + add_offset BRDF_Albedo_Parameters=(file data - add_offset) * scale_factor Data Field Attributes: Name: Type: Num_Val: Source: Value: long_name HDF-STRING 1 Code "BRDF_Albedo_Parameters_Band1" units HDF-STRING 1 Code "no units" valid_range HDF-int16 2 Code 0, 32766 _FillValue HDF-int16 1 Code 32767 scale_factor HDF-float64 1 Code 0.001 scale_factor_err HDF-float64 1 Code 0.0 add_offset HDF-float64 1 Code 0.0 add_offset_err HDF-float64 1 Code 0.0 calibrated_nt HDF-int32 1 Code 5 ------------------------------------------------------------------------ Data_Field_12 .... Data_Field_20 Parameters for Bands 2-7, vis, nir, shortwave