MOD29 Global Attributes

Three EOSDIS Core System (ECS) global attributes are written during generation of the MOD29 product, and are stored as long character strings in parameter value language (PVL) format. Product Specific attributes are also generated.

CoreMetadata.0
ArchiveMetadata.0
StructMetadata.0
Product Specific Attributes

CoreMetadata.0

Object Name	Comments	Sample Value
ShortName	ESDT¹ name of product	MOD29
VersionID	ECS Version	1
ReprocessingActual	Number of times processed	processed once
ReprocessingPlanned	Expect that products will be reprocessed at least once	further update is anticipated
LocalGranuleID		MOD29.A2000306.2125.002.2001022164020.hdf
DayNightFlag	Can be Day, Night, or Both	Day
ProductionDateTime	Time granule was produced	2001-01-19T20:4039:000Z
LocalVersionID	Version of algorithm delivered from the SCF².	SCF V2.2.3
PGEVersion	Version of production generation executable	2.4.2
InputPointer	Location of the three input files in the production system	MOD20HKM.A2000306.2125.002.2000329123327.hdf
RangeBeginningDate	Beginning date of the first scan line in the swath	2000-11-01
RangeBeginningTime	Beginning time of the first scan line in the swath	21:15:00.000000
RangeEndingDate	Ending date of the last scan line in the swath	2000-11-01
RangeEndingTime	Ending time of the last scan line in the swath	21:20:00.000000
ExclusionGRingFlag		N
GRingPointLatitude	Geographic latitude bounds of swath coverage	[-172.918503, -96.373253, -126.193184, -166.482391]
GringPointLongitude	Geographic longitude bounds of swath coverage	[79.774231, 68.789673, 56.226749, 62.022076]
GRingPointSequenceNo		[1,2,3,4]
OrbitNumber		4653
EquatorCrossingLongitude		-163.416015
EquatorCrossingDate		2000-11-01
EquatorCrossingTime		21:36:54.673540
ParameterName	Parameter for which QA statistics are given in this metadata object	Sea Ice by Reflectance, Ice Surface Temperature
AutomaticQualityFlag	Result of automated checks during the run of the algorithm that screens for significant amounts of anomalous data	Passed, Passed
AutomaticQualityFlagExplanation	Explanation of result of automated QA checks made during execution	No errors detected in processing, No errors detected in processing
OperationalQualityFlag	Set by production system	Passed, Passed
OperationalQualityFlagExplanation	Explanation of Operational Flag	Nominal production, Nominal production
ScienceQualityFlag	Set by snow investigator after post-production investigation	Not being investigated, Not being investigated
ScienceQualityFlagExplanation	Explanation of Science Flag	Not selected for investigation, Not selected for investigation
QAPercentMissingData	0-100	1, 1
QAPercentCloudCover	0-100	34, 34
AncillaryInputPointer	Location of geolocation input product in production system	MOD03.A2000306.2115.002.2000329112017.hdf
AncillaryInputType	Type of ancillary data referenced by pointer	Geolocation
AssociatedSensorShortName	Three band regions used in the algorithm, three instances in the metadata	VNIR, SWIR, TIR
AssociatedPlatformShortName		Terra, Terra, Terra
AssociatedInstrumentShortName		MODIS, MODIS, MODIS
Product Specific Attributes (PSA)
QAPercentGoodQuality	Summary quality assurance statistic based on the thermal data. Range is 0-100.	90
QAPercentOtherQuality		0
QAPercentNotProducedCloud		10
QAPercentNotProducedOther		0
GranuleNumber	Unique granule identifier	257
SeaIcePercent	Summary percentage of sea ice detected (0-100)	42

¹ Earth Science Data Type (ESDT)
² Science Computing Facility (SCF)

ArchiveMetadata.0

This attribute contains information relevant to production of the data product. It also contains an alternate bounding of geographic coverage of the swath. These data are useful in determining what version of the algorithm was used to generate the product.

Object Name	Comment	Sample Value
EastBoundingCoordinate	Extent of swath coverage, in latitude and longitude	-96.373256
WestBoundingCoordinate		-172.918502
NorthBounding Coordinate		80.036044
SouthBounding Coordinate		56.226751
AlgorithmPackageAcceptanceDate	Algorithm descriptors	2000-12-22
AlgorithmPackageMaturityCode		PREL
AlgorithmPackageName		MOD29_PR29 Terra or Aqua full and coarse products
AlgorithmPackageVersion		Version 2.3.3.0
InstrumentName		Moderate-Resolution Imaging SpectroRadiometer
PlatformShortName		Terra
ProcessingDateTime		2001-01-22T16:41:07.000Z
LongName		MODIS/Terra Sea Ice Extent 5-Min L2 Swath 1km
Processing Center		MODAPS
SPSOParameters		none
LocalInputGranuleID	Names of the three input files	[MOD-2HKM, ...]
DESCRRevision	Version of MCF¹	1.2

¹ MCF = Metadata Configuration File

StructMetadata.0

This attribute is used by the HDF-EOS toolkit to specify the mapping relationships between the geolocation data and the snow cover Scientific Data Sets (SDSs). Mapping relationships are unique in HDF-EOS and are stored in the product using HDF structures. A description of the mapping relationships is not provided here.

Object	Definition
DIMENSION_1	Coarse_swath_lines_5km
DIMENSION_2	Coarse_swath_pixels_5km
DIMENSION_3	Along_swath_lines_1km
DIMENSION_4	Along_swath_pixels_1km
DIMENSIONMAP_1	GeoDimension=Coarse_swath_pixels_5km DataDimension=Cross_swath_pixels_1km Offset=2 Increment=5
DIMENSIONMAP_2	GeoDimension=Coarse_swath_lines_5km DataDimension=Along_swath_lines_1km Offset=2 Increment=5
GEOFIELD_1	GeoFieldName=Latitude
GEOFIELD_2	GeoFieldName=Longitude
DATAFIELD_1	DataFieldName=Sea Ice by Reflectance
DATAFIELD_2	DataFieldName=Sea Ice by Reflectance Pixel QA
DATAFIELD_3	DataFieldName=Ice Surface Temperature
DATAFIELD_4	DataFieldName=Ice Surface Temperature Pixel QA
DATAFIELD_5	DataFieldName=Sea Ice by IST
DATAFIELD_6	DataFieldName=Combined Sea Ice

Product Specific Attributes

Attribute Name	Comment	Sample Value
L1BCalibrationQuality		marginal
L1BMissionPhase		A&E
L1BNadirPointing		Yes
L1BVersionID	Version of L1B processing algorithm	2000-11-01
L1BAutoQA_EV_1KM_RefsB	Result of generalized quality analysis of L1B data	Suspect
SCFAlgorithmVersion	SCF versioning tracking information	$Id: MOD_PR29_AA...