The 8-day 6km L3 LST product specifications
----------------------------------------------------------------------------
Version 61, modified on 09/19/2019.
Product Identifier: MYD11B2_6km_L3
Description: MODIS 8-day Land-surface Temperature at 6km grids
Contents:
SDS:
LST_Day_6km
QC_Day
Day_view_time
Day_view_angl
LST_Night_6km
QC_Night
Night_view_time
Night_view_angl
Emis_20
Emis_22
Emis_23
Emis_29
Emis_31
Emis_32
LST_Day_6km_Aggregated_from_1km
LST_Night_6km_Aggregated_from_1km
Clear_sky_days
Clear_sky_nights
Percent_land_in_grid
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-STRING 1 Code Variable
LOCALVERSIONID ECS-STRING 1 Code Variable
PARAMETERNAME.1 ECS-STRING 1 Code "MYD 8-DAY 6KM 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 Variable
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 Code "MYD11B2"
VERSIONID ECS-STRING 1 Code Variable
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-INTEGER 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 Variable
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 "Aqua"
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
ALGORITHMPACKAGENAME ECS-STRING 1 Code "MOD_PR11B2"
ALGORITHMPACKAGEVERSION ECS-INTEGER 1 Code 6
LONGNAME ECS-STRING 1 MCF "MODIS/Aqua Land
Surface Temperature/Emissivity 8-day L3 Global 6km 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"
LOCALINPUTGRANULEID ECS-STRING 1 Code Variable
LOOKUPTABLETYPE.N ECS-STRING 1 Code Variable
LOOKUPTABLEPOINTER.N ECS-STRING 1 Code Variable
PROCESSINGCENTER ECS-STRING 1 Code "MODAPS"
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: Fieldnames ending in ".N" belong to multi-valued containers.
===============================================================================
HDFEOS Grid Structure:
GROUP=GridStructure
GROUP=GRID_1
GridName="MODIS_Grid_8Day_6km_LST"
XDim=200
YDim=200
UpperLeftPointMtrs=(-11119505.197665,4447802.079066)
LowerRightMtrs=(-10007554.677899,3335851.559300)
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
END_GROUP=Dimension
GROUP=DataField
OBJECT=DataField_1
DataFieldName="LST_Day_6km"
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_6km"
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_20"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_9
OBJECT=DataField_10
DataFieldName="Emis_22"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_10
OBJECT=DataField_11
DataFieldName="Emis_23"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_11
OBJECT=DataField_12
DataFieldName="Emis_29"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_12
OBJECT=DataField_13
DataFieldName="Emis_31"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_13
OBJECT=DataField_14
DataFieldName="Emis_32"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_14
OBJECT=DataField_15
DataFieldName="LST_Day_6km_Aggregated_from_1km"
DataType=DFNT_UINT16
DimList=("YDim","XDim")
END_OBJECT=DataField_15
OBJECT=DataField_16
DataFieldName="LST_Night_6km_Aggregated_from_1km"
DataType=DFNT_UINT16
DimList=("YDim","XDim")
END_OBJECT=DataField_16
OBJECT=DataField_17
DataFieldName="Clear_sky_days"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_17
OBJECT=DataField_18
DataFieldName="Clear_sky_nights"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_18
OBJECT=DataField_19
DataFieldName="Percent_land_in_grid"
DataType=DFNT_UINT8
DimList=("YDim","XDim")
END_OBJECT=DataField_19
END_GROUP=DataField
GROUP=MergedFields
END_GROUP=MergedFields
END_GROUP=GRID_1
END_GROUP=GridStructure
================================================================================
SDS Definition
SDS Name: LST_Day_6km
Description: 8-day daytime 6km grid Land-surface temperature
Data conversions:
LST = LST data * scale_factor
Number Type: uint16
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"8-day daytime 6km 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 6km 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 0=good data quality of L1B in 7 TIR bands
1=other quality data
3 Terra/Aqua combined-use flag 0=no
1=yes
5 & 4 Emis quality flag 00= more days em within avg +- 1.0 * std
of 32 days for em22 & em29, respectively
01= more days em within avg +- 1.15 * std
of 32 days for em22 & em29, respectively
10= more days em within avg +- 1.3 * std
of 32 days for em22 & em29, respectively
11= more days em out of avg +- 1.3 * std
of 32 days for em22 & em29, respectively
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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_6km together. If LST_Day_6km 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: Time of daytime Land-surface temperature observation
Data conversions:
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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 0,120
_FillValue HDF-uint8 1 code 255
scale_factor HDF-float64 1 code 0.2
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:
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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-uint8 2 code 0,130
_FillValue HDF-uint8 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_6km
Description: 8-day nighttime 6km grid Land-surface temperature
Data conversions:
LST = LST data * scale_factor
Number Type: uint16
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"8-day nighttime 6km 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 6km 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 0=good data quality of L1B in 7 TIR bands
1=other quality data
3 Terra/Aqua combined-use flag 0=no
1=yes
5 & 4 Emis quality flag 00= more days em within avg +- 1.0 * std
of 32 days for em22 & em29, respectively
01= more days em within avg +- 1.15 * std
of 32 days for em22 & em29, respectively
10= more days em within avg +- 1.3 * std
of 32 days for em22 & em29, respectively
11= more days em out of avg +- 1.3 * std
of 32 days for em22 & em29, respectively
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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_6km together. If LST_Night_6km 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: Time of nighttime Land-surface temperature observation
Data conversions:
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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-uint16 2 code 0,120
_FillValue HDF-uint16 1 code 255
scale_factor HDF-float64 1 code 0.2
Number Type HDF-STRING 1 code "uint8"
View_time HDF-STRING 1 code "View_time data * scale_factor"
===============================================================================
SDS Definition
SDS Name: Night_view_angl
Description: View zenith angle of nighttime Land-surface temperature
Data conversions:
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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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 nighttime Land-surface Temperature"
units HDF-STRING 1 code "deg"
valid_range HDF-uint8 2 code 0,130
_FillValue HDF-uint8 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_20
Description: Band 20 emissivity
Data conversions:
Emis_20 = Emis_20 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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code "Band 20 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_20 HDF-STRING 1 code "Emis_20 data * scale_factor + add_offset"
===============================================================================
SDS Definition
SDS Name: Emis_22
Description: Band 22 emissivity
Data conversions:
Emis_22 = Emis_22 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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code "Band 22 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_22 HDF-STRING 1 code "Emis_22 data * scale_factor + add_offset"
===============================================================================
SDS Definition
SDS Name: Emis_23
Description: Band 23 emissivity
Data conversions:
Emis_23 = Emis_23 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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code "Band 23 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_23 HDF-STRING 1 code "Emis_23 data * scale_factor + add_offset"
===============================================================================
SDS Definition
SDS Name: Emis_29
Description: Band 29 emissivity
Data conversions:
Emis_29 = Emis_29 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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code "Band 29 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_29 HDF-STRING 1 code "Emis_29 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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_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: LST_Day_6km_Aggregated_from_1km
Description: 8-day daytime 6km grid LST aggregated from 1km
Data conversions:
LST = LST data * scale_factor
Number Type: uint16
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"8-day daytime 6km grid LST aggregated from 1km"
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: LST_Night_6km_Aggregated_from_1km
Description: 8-day nighttime 6km grid LST aggregated from 1km
Data conversions:
LST = LST data * scale_factor
Number Type: uint16
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"8-day nighttime 6km grid LST aggregated from 1km"
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: Clear_sky_days
Description: The days in clear-sky conditions and with validate LSTs
Bit field legend; uint8 (Note: bit 0 is the least significant bit)
bit Long name Key
00 day 1 clear-sky flag 00=day 1 is not clear-sky
01=day 1 is clear-sky
01 day 2 clear-sky flag 00=day 2 is not clear-sky
01=day 2 is clear-sky
... ... ...
2^i day i+1 clear-sky flag 00=day i+1 is not clear-sky
01=day i+1 is clear-sky
... ...
Number Type: uint8
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"The days in clear-sky conditions and with validate LSTs"
valid_range HDF-uint8 2 code 1,255
Number Type HDF-STRING 1 code "uint8"
================================================================================
SDS Definition
SDS Name: lear_sky_nights
Description: The nights in clear-sky conditions and with validate LSTs
Bit field legend; uint8 (Note: bit 0 is the least significant bit)
bit Long name Key
00 night 1 clear-sky flag 00=night 1 is not clear-sky
01=night 1 is clear-sky
01 night 2 clear-sky flag 00=night 2 is not clear-sky
01=night 2 is clear-sky
.. ... ...
2^i night i+1 clear-sky flag 00=night i+1 is not clear-sky
01=night i+1 is clear-sky
.. ...
Number Type: uint8
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"The nights in clear-sky conditions and with validate LSTs"
valid_range HDF-uint8 2 code 1,255
Number Type HDF-STRING 1 code "uint8"
================================================================================
SDS Definition
SDS Name: Percent_land_in_grid
Description: Percentage of Land in the Grid
Number Type: uint8
Rank: 2
Dimension sizes: (Data Rows, Maximum Number Data Bins per Row)
Dimension Names: (YDim:MODIS_Grid_8Day_6km_LST, XDim:MODIS_Grid_8Day_6km_LST)
Dimension_1: YDim
Dimension_2: XDim
SDS Metadata:
Name: Data Type: Num_val: Source: Value:
long_name HDF-STRING 1 code
"Percentage of Land in the Grid"
valid_range HDF-uint8 2 code 1,100
_FillValue HDF-uint8 1 code 0
Number Type HDF-STRING 1 code "uint8"
================================================================================
Tokens for Downloading LAADS DAAC Data
A LAADS DAAC download token will help make file downloads faster, but is only usable for LAADS DAAC web sites. A LAADS DAAC token
will not work with other Earthdata sites.
Generating LAADS DAAC token …
Please copy and save the token below for use with any supported LAADS download utilities or scripts.
To test, run the following wget download command in your terminal and see if it successfully downloaded the README text file located at the root of the LAADS archive. See also LAADS documentation on how to use wget
We are currently unable to generate a LAADS DAAC token. Please try again later or contact MODAPS Support with any questions.
An Earthdata Download token (EDL) will work on any Earthdata site including all LAADS DAAC sites, but download performance from the LAADS DAAC can be much slower due to the extra network connections needed to check credentials at Earthdata.
Confirm Download of Multiple Files
Verifying login status…
Please confirm before starting this batch download of listed below totaling , one file at a time.
Once a batch download begins, your browser may not provide a way to cancel the batch aside from closing the browser entirely or stopping individual downloads one at a time. If in doubt, try selecting a smaller number of files for download. MODAPS Support is available to help with any questions.
Browser configurations
Some users might have to approve once (e.g., click "Allow") to allow for future downloads of multiple files.
To avoid a new download prompt for each file, ensure the following settings are configured in your browser:
Chrome: Settings > Advanced > Ask where to save each file before downloading > Off
Firefox:
Preferences > Files and Applications > Save files to…
Click checkbox “Do this automatically for files like this from now on”