HDF-EOS V2 MODIS CMG Surface Reflectance HDF File Specification
Revision 6.0.3, 29-MAR-10
Product ID(s):
MYD09CMG (Aqua Surface Reflectance Daily Climate Modeling Grid)
Point of Contact:
Jim Ray
Sigma Space Corp.
MODIS Land Science Team
4321 Hartwick Rd., Suite 209
College Park, MD 20740
301-405-8120
jim@ltdri.org
Principal Investigator:
Eric Vermote
University of Maryland, College Park
NASA's Goddard Space Flight Center, Code 614.5
Greenbelt, MD 20771
301-405-8052
eric@ltdri.org
SDST:
Gang Ye
MODIS SDST
7501 Forbes Blvd., Suite 103
Seabrook, MD 20706
301-352-2109
gye@ltpmail.gsfc.nasa.gov
ECS Metadata
CoreMetadata.0: The following is the MCF section that will be used to
create the core metadata string. Items labeled as "NOTE" will not be part
of the MCF, but have been added for clarity.
GROUP = INVENTORYMETADATA
GROUPTYPE = MASTERGROUP
GROUP = ECSDataGranule
OBJECT = LocalGranuleID
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = LocalGranuleID
OBJECT = SizeMBECSDataGranule
Mandatory = "FALSE"
Data_Location = "DSS"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = SizeMBECSDataGranule
OBJECT = ProductionDateTime
Mandatory = "TRUE"
Data_Location = "TK"
NUM_VAL = 1
TYPE = "DATETIME"
END_OBJECT = ProductionDateTime
OBJECT = DayNightFlag
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = DayNightFlag
OBJECT = ReprocessingActual
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ReprocessingActual
OBJECT = LocalVersionID
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = LocalVersionID
OBJECT = ReprocessingPlanned
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ReprocessingPlanned
END_GROUP = ECSDataGranule
GROUP = MeasuredParameter
OBJECT = MeasuredParameterContainer
Data_Location = "NONE"
Mandatory = "TRUE"
CLASS = "M"
GROUP = QAFlags
CLASS = "M"
OBJECT = ScienceQualityFlag
Mandatory = "FALSE"
Data_Location = "DP"
NUM_VAL = 1
TYPE = "STRING"
Value = "Not Investigated"
END_OBJECT = ScienceQualityFlag
OBJECT = AutomaticQualityFlagExplanation
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = AutomaticQualityFlagExplanation
OBJECT = AutomaticQualityFlag
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = AutomaticQualityFlag
OBJECT = OperationalQualityFlagExplanation
Mandatory = "FALSE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = OperationalQualityFlagExplanation
OBJECT = OperationalQualityFlag
Mandatory = "FALSE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = OperationalQualityFlag
OBJECT = ScienceQualityFlagExplanation
Mandatory = "FALSE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ScienceQualityFlagExplanation
END_GROUP = QAFlags
GROUP = QAStats
CLASS = "M"
OBJECT = QAPercentMissingData
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "INTEGER"
END_OBJECT = QAPercentMissingData
END_GROUP = QAStats
OBJECT = ParameterName
Mandatory = "TRUE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ParameterName
END_OBJECT = MeasuredParameterContainer
END_GROUP = MeasuredParameter
NOTE: There will be 1 OrbitCalculatedSpatialDomain field per orbit in
this file
GROUP = OrbitCalculatedSpatialDomain
OBJECT = OrbitCalculatedSpatialDomainContainer
Data_Location = "NONE"
Mandatory = "TRUE"
CLASS = "M"
OBJECT = EquatorCrossingDate
Mandatory = "TRUE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DATE"
END_OBJECT = EquatorCrossingDate
OBJECT = EquatorCrossingTime
Mandatory = "TRUE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "TIME"
END_OBJECT = EquatorCrossingTime
OBJECT = OrbitNumber
Mandatory = "TRUE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "INTEGER"
END_OBJECT = OrbitNumber
OBJECT = EquatorCrossingLongitude
Mandatory = "TRUE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = EquatorCrossingLongitude
END_OBJECT = OrbitCalculatedSpatialDomainContainer
END_GROUP = OrbitCalculatedSpatialDomain
GROUP = CollectionDescriptionClass
OBJECT = VersionID
Mandatory = "TRUE"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "INTEGER"
Value = 6
END_OBJECT = VersionID
OBJECT = ShortName
Mandatory = "TRUE"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "STRING"
Value = "MYD09CMG"
END_OBJECT = ShortName
END_GROUP = CollectionDescriptionClass
GROUP = InputGranule
OBJECT = InputPointer
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 75
TYPE = "STRING"
END_OBJECT = InputPointer
END_GROUP = InputGranule
GROUP = SpatialDomainContainer
GROUP = HorizontalSpatialDomainContainer
GROUP = BoundingRectangle
OBJECT = EastBoundingCoordinate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = EastBoundingCoordinate
OBJECT = WestBoundingCoordinate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = WestBoundingCoordinate
OBJECT = SouthBoundingCoordinate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = SouthBoundingCoordinate
OBJECT = NorthBoundingCoordinate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DOUBLE"
END_OBJECT = NorthBoundingCoordinate
END_GROUP = BoundingRectangle
END_GROUP = HorizontalSpatialDomainContainer
GROUP = GranuleLocality
OBJECT = LocalityValue
Mandatory = "TRUE"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "STRING"
Value = "Global"
END_OBJECT = LocalityValue
END_GROUP = GranuleLocality
END_GROUP = SpatialDomainContainer
GROUP = RangeDateTime
OBJECT = RangeEndingDate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DATE"
END_OBJECT = RangeEndingDate
OBJECT = RangeEndingTime
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "TIME"
END_OBJECT = RangeEndingTime
OBJECT = RangeBeginningDate
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "DATE"
END_OBJECT = RangeBeginningDate
OBJECT = RangeBeginningTime
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "TIME"
END_OBJECT = RangeBeginningTime
END_GROUP = RangeDateTime
GROUP = PGEVersionClass
OBJECT = PGEVersion
Mandatory = "TRUE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = PGEVersion
END_GROUP = PGEVersionClass
GROUP = AssociatedPlatformInstrumentSensor
OBJECT = AssociatedPlatformInstrumentSensorContainer
Data_Location = "NONE"
Mandatory = "TRUE"
CLASS = "1"
OBJECT = AssociatedSensorShortName
Mandatory = "TRUE"
CLASS = "1"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "STRING"
Value = "MODIS"
END_OBJECT = AssociatedSensorShortName
OBJECT = AssociatedPlatformShortName
Mandatory = "TRUE"
CLASS = "1"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "STRING"
Value = "Aqua"
END_OBJECT = AssociatedPlatformShortName
OBJECT = AssociatedInstrumentShortName
Mandatory = "TRUE"
CLASS = "1"
Data_Location = "MCF"
NUM_VAL = 1
TYPE = "STRING"
Value = "MODIS"
END_OBJECT = AssociatedInstrumentShortName
END_OBJECT = AssociatedPlatformInstrumentSensorContainer
END_GROUP = AssociatedPlatformInstrumentSensor
NOTE: There are no AdditionalAttributes in this file
GROUP = AdditionalAttributes
OBJECT = AdditionalAttributesContainer
Data_Location = "NONE"
Mandatory = "FALSE"
CLASS = "M"
OBJECT = AdditionalAttributeName
Mandatory = "FALSE"
CLASS = "M"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = AdditionalAttributeName
GROUP = InformationContent
CLASS = "M"
OBJECT = ParameterValue
Mandatory = "FALSE"
Data_Location = "PGE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ParameterValue
END_GROUP = InformationContent
END_OBJECT = AdditionalAttributesContainer
END_GROUP = AdditionalAttributes
END_GROUP = INVENTORYMETADATA
ArchiveMetadata.0: The following is the MCF section that will be used
to create the archive metadata string.
GROUP = ARCHIVEDMETADATA
GROUPTYPE = MASTERGROUP
OBJECT = AlgorithmPackageAcceptanceDate
Mandatory = "FALSE"
Data_Location = "PGE"
TYPE = "STRING"
NUM_VAL = 1
END_OBJECT = AlgorithmPackageAcceptanceDate
OBJECT = AlgorithmPackageMaturityCode
Mandatory = "FALSE"
Data_Location = "PGE"
TYPE = "STRING"
NUM_VAL = 1
END_OBJECT = AlgorithmPackageMaturityCode
OBJECT = AlgorithmPackageName
Mandatory = "FALSE"
Data_Location = "PGE"
TYPE = "STRING"
NUM_VAL = 1
END_OBJECT = AlgorithmPackageName
OBJECT = AlgorithmPackageVersion
Mandatory = "FALSE"
Data_Location = "PGE"
TYPE = "STRING"
NUM_VAL = 1
END_OBJECT = AlgorithmPackageVersion
OBJECT = LongName
DATA_LOCATION = "MCF"
TYPE = "STRING"
NUM_VAL = 1
MANDATORY = "TRUE"
Value = "MODIS/Aqua Surface Reflectance Daily L3 Global 0.05Deg CMG"
END_OBJECT = LongName
OBJECT = SPSOPARAMETERS
DATA_LOCATION = "MCF"
TYPE = "STRING"
NUM_VAL = 1
MANDATORY = "TRUE"
Value = "None"
END_OBJECT = SPSOPARAMETERS
OBJECT = PROCESSINGCENTER
DATA_LOCATION = "MCF"
TYPE = "STRING"
NUM_VAL = 1
MANDATORY = "TRUE"
Value = "MODAPS"
END_OBJECT = PROCESSINGCENTER
OBJECT = ProcessingEnvironment
Data_Location = "PGE"
Mandatory = "FALSE"
TYPE = "STRING"
NUM_VAL = 1
END_OBJECT = ProcessingEnvironment
OBJECT = DESCRrevision
Data_Location = "MCF"
Mandatory = "TRUE"
NUM_VAL = 1
TYPE = "STRING"
VALUE = "6.0"
END_OBJECT = DESCRrevision
OBJECT = ProductionHistory
Data_Location = "PGE"
Mandatory = "FALSE"
NUM_VAL = 1
TYPE = "STRING"
END_OBJECT = ProductionHistory
OBJECT = SystemFileName
Data_Location = "PGE"
Mandatory = "FALSE"
NUM_VAL = 75
TYPE = "STRING"
END_OBJECT = SystemFileName
END_GROUP = ARCHIVEDMETADATA
END
Dimensions:
Dimension Name Value
Dimension_1 Data Lines 3600
Dimension_2 Data Samples Per Line 7200
DataFields:
The exact contents of this file depends upon the contents of
the IDS inputs that are read by MOD_PR09C.exe. For collection 6
this file is anticipated to contain:
"Coarse Resolution Surface Reflectance Band 1"
"Coarse Resolution Surface Reflectance Band 2"
"Coarse Resolution Surface Reflectance Band 3"
"Coarse Resolution Surface Reflectance Band 4"
"Coarse Resolution Surface Reflectance Band 5"
"Coarse Resolution Surface Reflectance Band 6"
"Coarse Resolution Surface Reflectance Band 7"
"Coarse Resolution Solar Zenith Angle"
"Coarse Resolution View Zenith Angle"
"Coarse Resolution Relative Azimuth Angle"
"Coarse Resolution Ozone"
"Coarse Resolution Brightness Temperature Band 20"
"Coarse Resolution Brightness Temperature Band 21"
"Coarse Resolution Brightness Temperature Band 31"
"Coarse Resolution Brightness Temperature Band 32"
"Coarse Resolution Granule Time"
"Coarse Resolution Band 3 Path Radiance"
"Coarse Resolution QA"
"Coarse Resolution Internal CM"
"Coarse Resolution State QA"
"Coarse Resolution Number Mapping"
"number of 500m pixels averaged b3-7"
"number of 500m rej. detector"
"number of 250m pixels averaged b1-2"
"n pixels averaged"
All data stored within DataFields that contain the HDF attributes
"scale_factor" and "add_offset" are scaled according to the following data
conversion:
parameter = scale_factor * (file data - add_offset)
file data = (parameter / scale_factor) + add_offset
DataField DataField_1
Name Coarse Resolution Surface Reflectance Band 1
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_1 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 1
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_2
Name Coarse Resolution Surface Reflectance Band 2
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_2 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 2
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_3
Name Coarse Resolution Surface Reflectance Band 3
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_3 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 3
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_4
Name Coarse Resolution Surface Reflectance Band 4
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_4 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 4
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_5
Name Coarse Resolution Surface Reflectance Band 5
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_5 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 5
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_6
Name Coarse Resolution Surface Reflectance Band 6
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_6 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 6
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_7
Name Coarse Resolution Surface Reflectance Band 7
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_7 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Surface
Reflectance Band 7
units STRING 1 reflectance
valid_range INT16 2 -100, 16000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_8
Name Coarse Resolution Solar Zenith Angle
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_8 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Solar Zenith Angle
units STRING 1 degrees
valid_range INT16 2 0, 18000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_9
Name Coarse Resolution View Zenith Angle
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_9 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution View Zenith Angle
units STRING 1 degrees
valid_range INT16 2 0, 18000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_10
Name Coarse Resolution Relative Azimuth Angle
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_10 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Relative Azimuth Angle
units STRING 1 degrees
valid_range INT16 2 -18000, 18000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_11
Name Coarse Resolution Ozone
Data Type UINT8
Dimensions Dimension_1, Dimension_2
DataField_11 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Ozone
units STRING 1 cm atm
valid_range INT16 2 0, 255
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.0025
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_12
Name Coarse Resolution Brightness Temperature Band 20
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField_12 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Brightness Temperature Band 20
units STRING 1 degrees K
valid_range INT16 2 0, 40000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_13
Name Coarse Resolution Brightness Temperature Band 21
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField_13 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Brightness Temperature Band 21
units STRING 1 degrees K
valid_range INT16 2 0, 40000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_14
Name Coarse Resolution Brightness Temperature Band 31
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField_14 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Brightness Temperature Band 31
units STRING 1 degrees K
valid_range INT16 2 0, 40000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_15
Name Coarse Resolution Brightness Temperature Band 32
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField_15 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Brightness Temperature Band 32
units STRING 1 degrees K
valid_range INT16 2 0, 40000
_FillValue INT16 1 0
scale_factor FLOAT64 1 0.01
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_16
Name Coarse Resolution Granule Time
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_16 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Granule Time
units STRING 1 HHMM
valid_range INT16 2 0, 2355
_FillValue INT16 1 0
scale_factor FLOAT64 1 1
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_17
Name Coarse Resolution Band 3 Path Radiance
Data Type INT16
Dimensions Dimension_1, Dimension_2
DataField_17 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Band 3 Path Radiance
valid_range INT16 2 -100, 16000
units STRING 1 reflectance
_FillValue INT16 1 -28672
scale_factor FLOAT64 1 0.0001
scale_factor_err FLOAT64 1 0.0
add_offset FLOAT64 1 0.0
add_offset_err FLOAT64 1 0.0
calibrated_nt INT32 1 5
DataField DataField_18
Name Coarse Resolution QA
Data Type UINT32
Dimensions Dimension_1, Dimension_2
Bit Description
0-1 MODLAND QA bits; corrected product produced at ideal
quality -- all bands (00), corrected product
produced, less than ideal quality -- some or all
bands (01), corrected product not produced due to
cloud effects -- all bands (10), 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)].
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
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
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
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
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
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
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
30 atmospheric correction performed; yes (1) or no (0)
31 adjacency correction performed; yes(1) or no (0)
DataField_18 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution QA
units STRING 1 bit field
valid_range UINT32 2 0, 1073741824
_FillValue UINT32 1 0
QA index STRING * (an index of the Coarse Resolution QA
bit field, like the bit description above.)
DataField DataField_19
Name Coarse Resolution Internal CM
Data Type UINT16
Dimensions Dimension_1, Dimension_2
Bit Description
0 cloud (high or low or subpixel) 1=cloudy, 0=not flagged as cloudy
1 clear 1=clear, 0=not flagged as clear
2 high cloud 1=cloudy, 0=not flagged as cloudy
3 low cloud 1=cloudy, 0=not flagged as cloudy
4 snow 1=snow, 0=not flagged as snow
5 fire 1=fire, 0=not flagged as fire
6 glint 1=glint, 0=not flagged as glint
7 dust 1=dust, 0=not flagged as dust
8 cloud shadow 1=cldshd, 0=not flagged as cldshd
9 adjacent to cloud 1=adjacent, 0=not flagged as adjacent
10-11 cirrus detected 00=none, 01=small, 10=average, 11=high
12 pan flag 1=salt pan, 0=no salt pan
13 criteria used for aerosol retrieval 1=criterion 2, 0=criterion 1
14 AOT has climatological values 1=yes, 0=no
15 unused
DataField_19 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Internal CM
units STRING 1 bit field
valid_range UINT16 2 0, 8191
_FillValue UINT16 1 0
QA index STRING * (an index of the Coarse Resolution Internal CM
bit field, like the bit description above.)
DataField DataField_20
Name Coarse Resolution State QA
Data Type UINT16
Dimensions Dimension_1, Dimension_2
Bit Description
0-1 cloud state; clear (00), cloudy (01), mixed (10), not
set, assumed clear (11)
2 cloud shadow; yes (1) or no (0)
3-5 land/water flag; class definitions:
000 -- shallow ocean
001 -- land
010 -- ocean coastlines and land shorelines
011 -- shallow inland water
100 -- ephemeral water
101 -- deep inland water
110 -- continental/moderate ocean
111 -- deep ocean
6-7 aerosol quantity; climatology (00), low (01) average (10),
high (11)
8-9 cirrus detected; none (00), small (01), average (10),
high (11)
10 internal cloud algorithm flag; cloudy (1) or clear (0)
11 internal fire algorithm flag; fire (1) or no fire (0)
12 MOD35 snow/ice flag; yes(1) or no(0)
13 Pixel is adjacent to cloud; yes (1) or no(0)
14 BRDF correction performed; yes (1) or no(0)
15 internal snow algorithm flag; snow (1) or no snow (0)
DataField_20 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution State QA
units STRING 1 bit field
valid_range UINT16 2 0, 65535
_FillValue UINT16 1 0
QA index STRING * (an index of the Coarse Resolution State QA
bit field, like the bit description above.)
DataField DataField_21
Name Coarse Resolution Number Mapping
Data Type UINT32
Dimensions Dimension_1, Dimension_2
Bit Description
0-7 number of pixels mapping to here flagged as cloudy
8-15 number of pixels mapping to here flagged as cloud shadow
16-23 number of pixels mapping to here flagged as adjacent to cloud
24-31 number of pixels mapping to here flagged for snow
DataField_21 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 Coarse Resolution Number Mapping
units STRING 1 bit field
valid_range UINT32 2 0, 2147483647
_FillValue UINT32 1 0
QA index STRING * (an index of the Coarse Resolution Number Mapping
bit field, like the bit description above.)
DataField DataField_22
Name number of 500m pixels averaged b3-7
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField_22 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 number of 500m pixels averaged b3-7
units STRING 1 (unitless)
valid_range UINT16 2 0, 200
_FillValue UINT16 1 0
DataField DataField_23
Name number of 500m rej. detector
Data Type UINT8
Dimensions Dimension_1, Dimension_2
DataField_23 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 number of 500m rej. detector
units STRING 1 (unitless)
valid_range UINT8 2 0, 100
_FillValue UINT8 1 0
DataField DataField_24
Name number of 250m pixels averaged b1-2
Data Type UINT16
Dimensions Dimension_1, Dimension_2
DataField 24 HDF Attributes:
Attribute Data Type Quantity Value
long name STRING 1 number of 250m pixels averaged b1-2
units STRING 1 (unitless)
valid_range UINT16 2 0, 640
_FillValue UINT16 1 0
DataField DataField_25
Name n pixels averaged
Data Type UINT8
Dimensions Dimension_1, Dimension_2
DataField_25 HDF Attributes:
Attribute Data Type Quantity Value
long_name STRING 1 n pixels averaged
units STRING 1 (unitless)
valid_range INT16 2 0, 40
_FillValue INT16 1 0