Daily 1km L3 LST product specifications ----------------------------------------------------------------------------- Version 6, Revision 6.3.0, modified by Z. Wan on 12/16/2012. Product Identifier: MOD11_1km_L3 Description: MODIS daily Land-surface Temperature at 1km grids Contents: SDS: LST_Day_1km QC_Day Day_view_time Day_view_angl LST_Night_1km QC_Night Night_view_time Night_view_angl Emis_31 Emis_32 Clear_day_cov Clear_night_cov Global Metadata: Name: Type: Num_Val: Source: Value: CoreMetadata.0 HDF-STRING 1 SDPtk Variable This string will contain the following PVL fields: REPROCESSINGPLANNED ECS-STRING 1 Code "further update is anticipated" REPROCESSINGACTUAL ECS-STRING 1 Code Variable LOCALGRANULEID ECS-STRING 1 Code Variable DAYNIGHTFLAG ECS-STRING 1 Code "Both" PRODUCTIONDATETIME ECS-D/T 1 Code Variable LOCALVERSIONID ECS-STRING 1 Code Variable PARAMETERNAME.1 ECS-STRING 1 Code "MOD 1KM L3 LST" AUTOMATICQUALITYFLAG.1 ECS-STRING 1 Code "Passed", "Suspect" or "Failed" AUTOMATICQUALITYFLAGEXPLANATION.1 ECS-STRING 1 Code Variable SCIENCEQUALITYFLAG.1 ECS-STRING 1 Code "Not Investigated" SCIENCEQUALITYFLAGEXPLANATION.1 ECS-STRING 1 Code Variable QAPERCENTINTERPOLATEDDATA.1 ECS-INTEGER 1 Code Variable QAPERCENTMISSINGDATA.1 ECS-INTEGER 1 Code Variable QAPERCENTOUTOFBOUNDSDATA.1 ECS-INTEGER 1 Code Variable QAPERCENTCLOUDCOVER.1 ECS-INTEGER 1 Code Variable SHORTNAME ECS-STRING 1 MCF "MOD11A1" VERSIONID ECS-INTEGER 1 MCF 6 INPUTPOINTER ECS-STRING FREE_RANGE Code Variable EXCLUSIONGRINGFLAG.1 ECS-STRING 1 Input "N" GRINGPOINTLATITUDE.1 ECS-DOUBLE 4 Input Variable GRINGPOINTLONGITUDE.1 ECS-DOUBLE 4 Input Variable GRINGPOINTSEQUENCENO.1 ECS-STRING 4 Input Variable RANGEBEGINNINGDATE ECS-STRING 1 Input Variable RANGEBEGINNINGTIME ECS-STRING 1 Input Variable RANGEENDINGDATE ECS-STRING 1 Input Variable RANGEENDINGTIME ECS-STRING 1 Input Variable PGEVERSION ECS-STRING 1 Code "V5.0.0" ADDITIONALATTRIBUTES ECS-STRING FREE_RANGE Code Variable includes the following five attributes: QAPERCENTGOODQUALITY ECS-INTEGER 1 Code percent of good quality pixels QAPERCENTOTHERQUALITY ECS-INTEGER 1 Code % of other quality pixels QAPERCENTNOTPRODUCEDCLOUD ECS-INTEGER 1 Code % of pixels not processed because of cloud effects QAPERCENTNOTPRODUCEDOTHER ECS-INTEGER 1 Code % of pixels not processed because of effects other than cloud N_GRAN_POINTERS ECS-STRING 1 Code Variable ASSOCIATEDPLATFORMSHORTNAME.1 ECS-STRING 1 Code "Terra" ASSOCIATEDINSTRUMENTSHORTNAME.1 ECS-STRING 1 Code "MODIS" ASSOCIATEDSENSORSHORTNAME .1 ECS-STRING 1 Code "MODIS" ArchiveMetadata.0 HDF-STRING 1 SDPtk Variable This string will contain the following PVL fields: HORIZONTALTILENUMBER ECS-STRING 1 Code Variable VERTICALTILENUMBER ECS-STRING 1 Code Variable ALGORITHMPACKAGEACCEPTANCEDATE ECS-STRING 1 Code "102004" ALGORITHMPACKAGEMATURITYCODE ECS-STRING 1 Code "Normal" ALGORITHMPACKAGENAME ECS-STRING 1 Code "MOD_PR11A" ALGORITHMPACKAGEVERSION ECS-INTEGER 1 Code 6 LONGNAME ECS-STRING 1 MCF "MODIS/Terra Land Surface Temperature/Emissivity Daily L3 Global 1km SIN Grid" INPUTGRANULEPOINTER.N ECS-STRING FREE_RANGE Code Variable INPUTTILEPOINTER.N ECS-STRING FREE_RANGE Code Variable INSTRUMENTNAME ECS-STRING 1 MCF "Moderate-Resolution Imaging SpectroRadiometer" LOOKUPTABLETYPE.N ECS-STRING 1 Code Variable LOOKUPTABLEPOINTER.N ECS-STRING 1 Code Variable LOCALINPUTGRANULEID ECS-STRING 1 Code Variable PROCESSINGCENTER ECS-STRING 1 Code "GSFC" PROCESSINGDATETIME ECS-STRING 1 Code Variable PROCESSINGENVIRONMENT ECS-STRING 1 Code Variable SPSOPARAMETERS ECS-STRING 1 Code "2484 and 3323" EASTBOUNDINGCOORDINATE ECS-DOUBLE 1 Input Variable WESTBOUNDINGCOORDINATE ECS-DOUBLE 1 Input Variable NORTHBOUNDINGCOORDINATE ECS-DOUBLE 1 Input Variable SOUTHBOUNDINGCOORDINATE ECS-DOUBLE 1 Input Variable Note the fieldnames ending with ".N" are in multi-valued containers. =============================================================================== HDFEOS Grid Structure: GROUP=GridStructure GROUP=GRID_1 GridName="MODIS_Grid_Daily_1km_LST" XDim=1200 YDim=1200 UpperLeftPointMtrs=(0.000000,5559752.598833) LowerRightMtrs=(1111950.519767,4447802.079066) Projection=GCTP_SNSOID ProjParams=(6371007.181000,0,0,0,0,0,0,0,86400,0,0,0,0) SphereCode=-1 GridOrigin=HDFE_GD_UL GROUP=Dimension OBJECT=Dimension_1 DimensionName="XDim" Size=1200 END_OBJECT=Dimension_1 OBJECT=Dimension_2 DimensionName="YDim" Size=1200 END_OBJECT=Dimension_2 END_GROUP=Dimension GROUP=DataField OBJECT=DataField_1 DataFieldName="LST_Day_1km" DataType=DFNT_UINT16 DimList=("YDim","XDim") END_OBJECT=DataField_1 OBJECT=DataField_2 DataFieldName="QC_Day" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_2 OBJECT=DataField_3 DataFieldName="Day_view_time" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_3 OBJECT=DataField_4 DataFieldName="Day_view_angl" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_4 OBJECT=DataField_5 DataFieldName="LST_Night_1km" DataType=DFNT_UINT16 DimList=("YDim","XDim") END_OBJECT=DataField_5 OBJECT=DataField_6 DataFieldName="QC_Night" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_6 OBJECT=DataField_7 DataFieldName="Night_view_time" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_7 OBJECT=DataField_8 DataFieldName="Night_view_angl" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_8 OBJECT=DataField_9 DataFieldName="Emis_31" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_9 OBJECT=DataField_10 DataFieldName="Emis_32" DataType=DFNT_UINT8 DimList=("YDim","XDim") END_OBJECT=DataField_10 OBJECT=DataField_11 DataFieldName="Clear_day_cov" DataType=DFNT_UINT16 DimList=("YDim","XDim") END_OBJECT=DataField_11 OBJECT=DataField_12 DataFieldName="Clear_night_cov" DataType=DFNT_UINT16 DimList=("YDim","XDim") END_OBJECT=DataField_12 END_GROUP=DataField GROUP=MergedFields END_GROUP=MergedFields END_GROUP=GRID_1 END_GROUP=GridStructure =============================================================================== SDS Definition SDS Name: LST_Day_1km Description: Daily daytime Land-surface temperature at 1km grids Data conversions: LST_Day_1km = file data * scale_factor Number Type: uint16 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Daily daytime 1km grid Land-surface Temperature" units HDF-STRING 1 code "K" valid_range HDF-uint16 2 code 7500,65535 _FillValue HDF-uint16 1 code 0 scale_factor HDF-float64 1 code 0.02 Number Type HDF-STRING 1 code "uint16" LST HDF-STRING 1 code "LST data * scale_factor" =============================================================================== SDS Definition SDS Name: QC_Day Description: Daytime LST Quality Indicators for 1km L3 LST Bit field legend; uint8 (Note: bit 0 is the least significant bit) bit Long name Key 1 & 0 Mandatory QA flags 00=LST produced, good quality, not necessary to examine more detailed QA 01=LST produced, other quality, recommend examination of more detailed QA 10=LST not produced due to cloud effects 11=LST not produced primarily due to reasons other than cloud 2 Data Quality flag 00=good data quality of L1B in bands 31 and 32 01=other quality data 3 Snow/Lakeice 00=no 01=yes according to MOD10 5 & 4 Emis Error flag 00=average emissivity error <= 0.01 01=average emissivity error <= 0.02 10=average emissivity error <= 0.04 11=average emissivity error > 0.04 7 & 6 LST Error flag 00=average LST error <= 1K 01=average LST error <= 2K 10=average LST error <= 3K 11=average LST error > 3K Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Quality control for daytime LST and emissivity" valid_range HDF-uint8 2 code 0,255 Number Type HDF-STRING 1 code "uint8" Note: there is no _FillValue for this SDS and bit fields in the SDS. This SDS should be used with SDS LST_Day_1km together. If LST_Day_1km has _FillValue 0, bits 1 & 0 in QC_Day have value 10 or 11, other bit fields with 0 as undefined. =============================================================================== SDS Definition SDS Name: Day_view_time Description: Local sun time of daytime Land-surface Temperature observation Data conversions: Day_view_time = View_time data * scale_factor Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Time of daytime Land-surface Temperature observation" units HDF-STRING 1 code "hrs" valid_range HDF-uint8 2 code 0, 240 _FillValue HDF-uint8 1 code 255 scale_factor HDF-float64 1 code 0.1 Number Type HDF-STRING 1 code "uint8" View_time HDF-STRING 1 code "View_time data * scale_factor" =============================================================================== SDS Definition SDS Name: Day_view_angl Description: View zenith angle of daytime Land-surface temperature Data conversions: Day_view_angl = View_angl data * scale_factor + add_offset Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "View zenith angle of daytime Land-surface Temperature" units HDF-STRING 1 code "deg" valid_range HDF-uint16 2 code 0,130 _FillValue HDF-uint16 1 code 255 scale_factor HDF-float64 1 code 1.0 add_offset HDF-float64 1 code -65.0 Number Type HDF-STRING 1 code "uint8" View_angle HDF-STRING 1 code "View_angle data * scale_factor + add_offset" =============================================================================== SDS Definition SDS Name: LST_Night_1km Description: Daily nighttime 1km grid Land-surface temperature Data conversions: LST_Night_1km = LST data * scale_factor Number Type: uint16 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Daily nighttime 1km grid Land-surface Temperature" units HDF-STRING 1 code "K" valid_range HDF-uint16 2 code 7500,65535 _FillValue HDF-uint16 1 code 0 scale_factor HDF-float64 1 code 0.02 Number Type HDF-STRING 1 code "uint16" LST HDF-STRING 1 code "LST data * scale_factor" =============================================================================== SDS Definition SDS Name: QC_Night Description: Nighttime LST Quality Indicators for 1km L3 LST Bit field legend; uint8 bit Long name Key 1 & 0 Mandatory QA flags 00=LST produced, good quality, not necessary to examine more detailed QA 01=LST produced, other quality, recommend examination of more detailed QA 10=LST not produced due to cloud effects 11=LST not produced primarily due to reasons other than cloud 2 Data Quality flag 00=good data quality of L1B in bands 31 and 32 01=other quality data 3 Snow/Lakeice 00=no 01=yes according to previous MOD10 5 & 4 Emis Error flag 00=average emissivity error <= 0.01 01=average emissivity error <= 0.02 10=average emissivity error <= 0.04 11=average emissivity error > 0.04 7 & 6 LST Error flag 00=average LST error <= 1K 01=average LST error <= 2K 10=average LST error <= 3K 11=average LST error > 3K Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Quality control for nighttime LST and emissivity" valid_range HDF-uint8 2 code 0,255 Number Type HDF-STRING 1 code "uint8" Note: there is no _FillValue for this SDS and bit fields in the SDS. This SDS should be used with SDS LST_Night_1km together. If LST_Night_1km has _FillValue 0, bits 1 & 0 in QC_Night have value 10 or 11, other bit fields with 0 as undefined. =============================================================================== SDS Definition SDS Name: Night_view_time Description: Local sun time of nighttime Land-surface temperature observation Data conversions: Night_view_time = View_time data * scale_factor Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Time of nighttime Land-surface Temperature observation" units HDF-STRING 1 code "hrs" valid_range HDF-uint8 2 code 0,240 _FillValue HDF-uint8 1 code 255 scale_factor HDF-float64 1 code 0.1 Number Type HDF-STRING 1 code "uint8" View_time HDF-STRING 1 code "View_time data * scale_factor" =============================================================================== SDS Definition SDS Name: Night_view_angle Description: View zenith angle of nighttime Land-surface temperature Data conversions: Night_view_angl = View_angl data * scale_factor + offset Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "View zenith angle of daily nighttime Land-surface Temperature" units HDF-STRING 1 code "deg" valid_range HDF-uint16 2 code 0,130 _FillValue HDF-uint16 1 code 255 scale_factor HDF-float64 1 code 1.0 add_offset HDF-float64 1 code -65.0 Number Type HDF-STRING 1 code "uint8" View_angle HDF-STRING 1 code "View_angle data * scale_factor + add_offset" =============================================================================== SDS Definition SDS Name: Emis_31 Description: Band 31 emissivity Data conversions: Emis_31 = Emis_31 data * scale_factor + add_offset Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Band 31 emissivity" valid_range HDF-uint8 2 code 1,255 _FillValue HDF-uint8 1 code 0 scale_factor HDF-float64 1 code 0.002 add_offset HDF-float64 1 code 0.49 Number Type HDF-STRING 1 code "uint8" Emis_31 HDF-STRING 1 code "Emis_31 data * scale_factor + add_offset" =============================================================================== SDS Definition SDS Name: Emis_32 Description: Band 32 emissivity Data conversions: Emis_32 = Emis_32 data * scale_factor + add_offset Number Type: uint8 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "Band 32 emissivity" valid_range HDF-uint8 2 code 1,255 _FillValue HDF-uint8 1 code 0 scale_factor HDF-float64 1 code 0.002 add_offset HDF-float64 1 code 0.49 Number Type HDF-STRING 1 code "uint8" Emis_32 HDF-STRING 1 code "Emis_32 data * scale_factor + add_offset" =============================================================================== SDS Definition SDS Name: Clear_day_cov Description: day clear-sky coverage of the LST observation Data conversions: day clear_sky_cov = day_clear_sky_cov data * scale_factor Number Type: uint16 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "day clear-sky coverage" valid_range HDF-uint8 2 code 1,65535 _FillValue HDF-uint8 1 code 0 scale_factor HDF-float64 1 code 0.0005 Number Type HDF-STRING 1 code "uint16" day clear_sky_cov HDF-STRING 1 code "day_clear_sky_cov data * scale_factor" ============================================================================ SDS Definition SDS Name: Clear_night_cov Description: night clear-sky coverage of the LST observation Data conversions: night clear_sky_cov = nit_clear_sky_cov data * scale_factor Number Type: uint16 Rank: 2 Dimension sizes: (Data Rows, Maximum Number Data Bins per Row) Dimension Names: (YDim:MODIS_Grid_Daily_1km_LST, XDim:MODIS_Grid_Daily_1km_LST) Dimension_1: YDim Dimension_2: XDim SDS Metadata: Name: Data Type: Num_val: Source: Value: long_name HDF-STRING 1 code "night clear-sky coverage" valid_range HDF-uint8 2 code 1,65535 _FillValue HDF-uint8 1 code 0 scale_factor HDF-float64 1 code 0.0005 Number Type HDF-STRING 1 code "uint16" night clear_sky_cov HDF-STRING 1 code "nit_clear_sky_cov data * scale_factor" ============================================================================