MODIS HDF File Specification
Version: V3.0
Revision: 3
Date: December 7, 2006
Product Ident: MODIS/Terra Vegetation Intermediate Composite 16-Day L4 Global
250m ISIN Grid
Product Identifiers:
Description:
MOD44C processes 16 days of data, compositing and saving the best observation
for each pixel. The output from MOD44C is used by MOD44A and MOD44B.
Name: Type: Num_Val: Value:
CoreMetadata.0 HDF-STRING 1
LocalGranuleID STRING 1 Variable
ProductionDateTime DATETIME 1 Variable
DayNightFlag STRING 1 Variable
ReprocessingActual STRING 1 Variable
ReprocessingPlanned STRING 1 Variable
AutomaticQualityFlagExplanation STRING 1 Variable
AutomaticQualityFlag STRING 1 Variable
OperationalQualityFlagExplanation STRING 1 Variable
OperationalQualityFlag STRING 1 Variable
QAPercentMissingData INTEGER 1 Variable
QAPercentOutofBoundsData INTEGER 1 Variable
QAPercentCloudCover INTEGER 1 Variable
QAPercentInterpolatedData INTEGER 1 Variable
ParameterName STRING 1 "MODIS/Terra Vegetation Intermediate Composite 16-Day L4 Global 250m ISIN Grid"
EquatorCrossingDate DATE 1 Variable
EquatorCrossingTime TIME 1 Variable
EquatorCrossingLongitude DOUBLE 1 Variable
OrbitNumber INTEGER 1 Variable
VersionID INTEGER 1 Variable
ShortName STRING 1 "MOD44C"
InputPointer STRING 500 Variable
GRingPointLongitude DOUBLE 4 Variable
GRingPointLatitude DOUBLE 4 Variable
GRingPointSequenceNo INTEGER 4 Variable
ExclusionGRingFlag STRING 1 Variable
RangeEndingDate DATE 1 Variable
RangeEndingTime TIME 1 Variable
RangeBeginningDate DATE 1 Variable
RangeBeginningTime TIME 1 Variable
PGEVersion STRING 1 Variable
AncillaryInputPointer STRING 1 Variable
AncillaryInputType STRING 1 Variable
AssociatedSensorShortName STRING 1 "CCD"
AssociatedPlatformShortName STRING 1 "AM-1"
AssociatedInstrumentShortName STRING 1 "MODIS"
AdditionalAttributeName STRING 7
ADDITIONALATTRIBUTENAME.1 = "QAPERCENTGOODQUALITY"
ADDITIONALATTRIBUTENAME.2 = "QAPERCENTOTHERQUALITY"
ADDITIONALATTRIBUTENAME.3 = "QAPERCENTNOTPRODUCEDCLOUD"
ADDITIONALATTRIBUTENAME.4 = "QAPERCENTNOTPRODUCEDOTHER"
ADDITIONALATTRIBUTENAME.5 = "HORIZONTALTILENUMBER"
ADDITIONALATTRIBUTENAME.6 = "VERTICALTILENUMBER"
ADDITIONALATTRIBUTENAME.7 = "TileID"
ParameterValue STRING 7 Variable
ArchiveMetadata.0
WestBoundingCoordinate DOUBLE 1 Variable
NorthBoundingCoordinate DOUBLE 1 Variable
EastBoundingCoordinate DOUBLE 1 Variable
SouthBoundingCoordinate DOUBLE 1 Variable
AlgorithmPackageAcceptanceDate STRING 1 Variable
AlgorithmPackageMaturityCode STRING 1 Variable
AlgorithmPackageName STRING 1 Variable
AlgorithmPackageVersion STRING 1 Variable
LongName STRING 1 "MODIS/Terra Vegetation Intermediate Composite 16-Day L4 Global 250m ISIN Grid"
LocalInputGranuleID STRING 500 Variable
char8 StructMetadata.0 = {
GridName = "MOD44C_GRID"
Dimensions:
XDim = 4800
YDim = 4800
ZDim = 4
UpperLeftPointMtrs = (-10007554.677060, 4447802.078700)
LowerRightMtrs = (-8895604.157400, 3335851.559040)
Projection = GCTP_ISINUS
ProjParams = (6371007.181000, 0, 0, 0, 0, 0, 0, 0, 21600, 0, 1, 0, 0)
SphereCode = -1
GridOrigin = HDFE_GD_UL
DataFields: type name(dimensions)
UINT16 state ("ZDim", "YDim", "XDim")
UINT16 view_angle ("ZDim", "YDim", "XDim")
UINT16 LST ("ZDim", "YDim", "XDim")
INT16 Band_1 ("ZDim", "YDim", "XDim")
INT16 Band_2 ("ZDim", "YDim", "XDim")
UINT16 QA_250m ("ZDim", "YDim", "XDim")
}
Begin_Vgroup = MOD44C_GRID
class = GRID
Begin_Vgroup = Data Fields
class = GRID Vgroup
SDS = uint16 state
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[32] long_name = "State Variables & day & LST QA"
char8[9] units = "bit field"
uint16[2] valid_range = (0, 65535)
uint16[1] _FillValue = 65535
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)
3-4 cirrus detected; none (00), small (01), average (10), high (11)
5 snow/ice flag; yes (1) or no (0)
6-7 BRDF correction performed; no (00), Montana methodology (01),
Boston methodology (10)
8-11 Julian day
12 Terrain shadow; yes(1) or no (0)
13-14 aerosol
SDS = uint16 view angle
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[17] long_name = "zenith view angle"
char8[7] units = "degree"
uint16[2] valid_range = (0, 18000)
uint16[1] _FillValue = -32767
float64[1] scale_factor = 0.01
SDS = uint16 LST
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[24] long_name = "Land Surface Temperature"
char8[1] units = "K"
uint16[2] valid_range = (7500, 65535)
uint16 [1] _FillValue = 0
float64[1] scale_factor = 0.02
SDS = int16 Band_1
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[18] long_name = "Band 1 Reflectance"
char8[9] units = "reflectance"
uint16[2] valid_range = (-100, 16000)
uint16 [1] _FillValue = -28672
float64[1] scale_factor = 0.00001
SDS = int16 Band_2
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[18] long_name = "Band 2 Reflectance"
char8[9] units = "reflectance"
uint16[2] valid_range = (-100, 16000)
uint16 [1] _FillValue = -28672
float64[1] scale_factor = 0.00001
SDS = uint16 QA_250m
dim1 = ZDim: MOD44C_GRID
dim2 = YDim: MOD44C_GRID
dim3 = XDim: MOD44C_GRID
char8[32] long_name = "Quality Assessment 250m Bands & fire & fire QA & gflag indicator"
char8[9] units = "bit field"
uint16[2] valid_range = (0, 16383)
uint16[1] _FillValue = 65535
Bit: Description:
0-1 band 1 data quality; good quality (00), quality so low that it is
not useful (01), L1B data faulty (10), not useful for any other
reason/not processed (e.g., clouds, ocean)
2-3 band 2 data quality; good quality (00), quality so low that it is
not useful (01), L1B data faulty (10), not useful for any other
reason/not processed (e.g., clouds, ocean)
4-7 fire mask; not processed (missing input data) (0), not processed
(extreme scan angle) (1), not processed (other reason) (2),
water (3), cloud (4), no fire (5), unknown (6), fire (low
confidence) (7), fire (nominal confidence) (8), fire (high
confidence (9)
8-9 MODLAND QA bits from fire algorithm; fire/no-fire determined at
optimum confidence (00), fire/no-fire determined at less than
optimum confidence (01), no determination made due to cloud
cover (10), no determination made due to other reason(s)
10 3.9 micron high-gain flag; band 21 used (0), band 22 used (1)
11 atmospheric correction performed in fire algorithm; not performed
(0), performed (1)
12 day/night algorithm used in fire algorithm; night (0), day (1)
5 snow/ice flag; yes (1) or no (0)
6-7 BRDF correction performed; no (00), Montana methodology (01),
Boston methodology (10)
8-11 Julian day
12-15 LST QA
End_Vgroup = Data Fields
Begin_Vgroup = Grid Attributes
class = GRID Vgroup
End_Vgroup = Grid Attributes
End_Vgroup = MOD44C_GRID
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