HDF5 file, superblock version 0
group /
	attribute DATASET_UUID = "1356af32-0dc8-11e7-8ef0-2fc36935f400"
	attribute FT_QC_BITFLAG_LEGEND = (text block)
| LEGEND_QC_BIT_0 : INTERP 0: Brightness temperatures (Tb) WERE NOT interpolated, and 1: Tb WERE INTERPOLATED for this pixel.
| LEGEND_QC_BIT_1 : OWF    0: Open water fraction of pixel is less than or equal to 20%; and 1: Open water fraction is >20% for this pixel/day.
| LEGEND_QC_BIT_2 : LEG    0: Large Elevation Gradient less than or equal to 300m this pixel; and 1: Large elevation gradient >300m this pixel/day.
| LEGEND_QC_BIT_3 : PRECIP 0: NO Large precip event occurred this pixel/day; and 1: Large precip event DID OCCUR this pixel/day.
| LEGEND_QC_BIT_DESCRIPTION : Definition of how the daily, pixel-wise Freeze Thaw QC (0|1) bit values, for bits (0-3), are defined in an 8-bit QC word.
	attribute GRANULE_NAME = "SSMI_37V_PM_FT_1998_day328.h5"
	attribute GRANULE_UUID = "d9471a19-a2cc-51f2-a25f-9715e5c88c21"
	attribute IMAGE_PIXEL_BIN_FREQUENCIES = "{254: 564976, 0: 71055, 1: 77327, 253: 97080}"
	attribute INPUT_GRANULE_NAME = "SSMI_37V_PM_FT_1998_day328.bin"
	attribute POST-PROCESSING_SOFTWARE = "ft_postproc_v1.8.2.py"
	attribute POST-PROCESSING_SOFTWARE_AUTHOR = "Univ. Montana NTSG,jmg"
	attribute POST-PROCESSING_SOFTWARE_VERSION = "v1.7.9-2017-07-24T10:00-07:00"
	attribute VERSION = "4"
	attribute coordinates = "cell_lat cell_lon"
group /Metadata
	attribute iso_19115_HDF5-group-of-groups-encoding = "HDF5-group-of-groups"
group /Metadata/AcquisitionInformation
group /Metadata/AcquisitionInformation/platform
	attribute description = "The NASA Measures Freeze/Thaw ESDR is a long-term  global  daily freeze thaw state 25KM dataset extending from 1979-2021."
	attribute identifier = "NASA_Measures_Freeze_Thaw"
group /Metadata/AcquisitionInformation/platformDocument
	attribute edition = "F/T edition 5.1"
	attribute publicationDate = "2016-11-07"
	attribute title = "Kim  Y.  J. S. Kimball  and J. Glassy. 2016. MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status  Version 04 [1979 to 2014]. Boulder Colorado USA: National Snow and Ice Data Center. Digital media (http://dx.doi.org/10.5067/MEASURES/CRYOSPHERE/nsidc-0477.004)."
group /Metadata/AdditionalAttribute
group /Metadata/AdditionalAttribute/FT_Legend
	attribute FT_DomainDefinition = "F/T codes for ESDR domain extent are (0 1 2 3) with all other pixels outside F/T domain"
	attribute FT_value_000 = "0   -- Frozen (AM/PM frozen) RGB{0 0 255) in color images"
	attribute FT_value_001 = "1   -- Thawed (AM/PM thawed) RGB{255 0 0) in color images"
	attribute FT_value_002 = "2   -- Transitional (AM frozen and PM thawed) RGB{168 168 0) in color images"
	attribute FT_value_003 = "3   -- Inverse Transitional (PM frozen and AM thawed) RGB{76 230 0) in color images"
	attribute FT_value_252 = "252 -- No data defined. RGB{255 255 255} in color images"
	attribute FT_value_253 = "253 -- non-cold constraint area RGB{200 200 200} in color images"
	attribute FT_value_254 = "254 -- 100 Percent open water RGB{255 255 255} in color images"
	attribute FT_value_255 = "255 -- Fillvalue RGB{255 255 255} in color images"
	attribute LegendDescription = "Definition of the Freeze Thaw v4 pixel-wise classification by instr-year-Overpass-DayOfYear combination."
group /Metadata/AdditionalAttribute/Glossary
	attribute Term_AM = "AM refers to morning overpass"
	attribute Term_CO = "CO refers to combined morning and afternoon overpass"
	attribute Term_PM = "PM refers to afternoon overpass"
group /Metadata/AdditionalAttribute/QC_Bit_Definition
	attribute FT_QC_bit_0 = "0:Brightness temperatures (Tb) were NOT interpolated  and 1: Tb WAS interpolated for this pixel."
	attribute FT_QC_bit_1 = "0:Open water fraction of pixel is less than or equal to 20%; and 1: Open water fraction is >20% for this pixel/day."
	attribute FT_QC_bit_2 = "0:Large Elevation Gradient less than or equal to 300m this pixel; and 1: Large elevation gradient >300m this pixel/day."
	attribute FT_QC_bit_3 = "0:NO large precip event occurred this pixel/day; and 1: Large precip event DID OCCUR this pixel/day."
group /Metadata/Config
	attribute FT_AMSR2_version = "v1"
	attribute FT_AMSRE_directoryID = "./AMSRE"
	attribute FT_AMSRE_version = "v1"
	attribute FT_METADATA_changeLog = "Initial version 5.1"
	attribute FT_METADATA_description = "NASA MEASURES FREEZE THAW Metadata Version 5.1"
	attribute FT_SMMR_directoryID = "./SMMR"
	attribute FT_SMMR_version = "v1"
	attribute FT_SSMI_directoryID = "./SSMI"
	attribute FT_SSMI_version = "v1"
	attribute FT_SWVersionID = "V5.1"
	attribute FT_algorithmVersionID = "FREEZE_THAW_Algorithm_Version_5.1"
	attribute FT_directoryID = "NSIDC-TBD"
	attribute FT_documentDate = "2009-07-03"
	attribute FT_documentation = "NASA MEaSUREs: Making Earth System Data Records for Use in Research Environments (NNH06ZDA001N) An Earth System Data Record for Land Surface Freeze/Thaw State"
	attribute FT_revisionDate = "2023-03-27"
group /Metadata/DataQuality
group /Metadata/DataQuality/FT_QC
	attribute Scope = "ft_qc"
group /Metadata/DataQuality/FT_QC/CompletenessOmission
	attribute evaluationMethodType = "directInternal"
	attribute measureDescription = "Percent of F/T domain lacking a valid QC classification"
	attribute nameOfMeasure = "Percent of Missing Data"
	attribute unitOfMeasure = "Percent"
	attribute value = "0"
group /Metadata/DataQuality/FT_QC/DomainConsistency
	attribute evaluationMethodType = "directInternal"
	attribute measureDescription = "Percent of F/T QC domain that fall within a predefined acceptable range of measure."
	attribute nameOfMeasure = "Percent of F/T QC data that are within the acceptable range."
	attribute unitOfMeasure = "Percent"
	attribute value = "100.0"
group /Metadata/DataQuality/FT_STATUS
	attribute Scope = "ft_status"
group /Metadata/DataQuality/FT_STATUS/CompletenessOmission
	attribute evaluationMethodType = "directInternal"
	attribute measureDescription = "Percent of F/T domain lacking a F/T classification"
	attribute nameOfMeasure = "Percent of Missing Data"
	attribute unitOfMeasure = "Percent"
	attribute value = "0"
group /Metadata/DataQuality/FT_STATUS/DomainConsistency
	attribute evaluationMethodType = "directInternal"
	attribute measureDescription = "Percent of F/T domain that fall within a predefined acceptable range of measure."
	attribute nameOfMeasure = "Percent of F/T status data that are within the acceptable range."
	attribute unitOfMeasure = "Percent"
	attribute value = "100.0"
group /Metadata/DatasetIdentification
	attribute FreezeThawShortName = "FreezeThaw_status"
	attribute QAAbstract = "An HDF5 product that contains statistical information on data product results. These statistics enable data producers and users to assess the quality of the data in the data product granule."
	attribute QACreationDate = "2023-03-28T10:54:17.220857"
	attribute QC_FileName = "@MACRO"
	attribute ReleaseID = "v5.1"
	attribute UUID = "1356af32-0dc8-11e7-8ef0-2fc36935f400"
	attribute VersionDescription = "this NASA Freeze Thaw Earth Science Data Record (ESDR) version 5.1 global data 25km resolution product applies to the 1979-2021 extended earth science data record."
	attribute VersionID = "v5.1"
	attribute abstract = "The NASA Measures Freeze/Thaw status data product provides global  daily freeze thaw status at 25 km resolution."
	attribute characterSet = "utf8"
	attribute creationDate = "2023-03-28T10:54:17.220857"
	attribute credit = "The software that generates the Freeze/Thaw data product is the property of the University of Montana Numerical Terradynamic Simulation Group (NTSG) and was transferred to the NASA Global Modeling and Assimilation Office (GMAO)  Goddard Space Flight Center  Greenbelt  Maryland  USA."
	attribute fileName = "SSMI_37V_PM_FT_1998_day328.h5"
	attribute language = "english"
	attribute longName = "NASA Measures Freeze Thaw Daily 25km global freeze thaw status  1979-2021"
	attribute originatorOrganizationName = "University of Montana  College of Forestry and Conservation(CFC)  Numerical Terradynamic Simulation Group (NTSG)  Missoula  MT  USA"
	attribute purpose = "The Freeze Thaw status data product provides spatially and temporally complete Freeze Thaw status information for 1979-2021 at a daily resolution globally at 25 km for science and applications users."
	attribute shortName = "FREEZE-THAW"
	attribute status = "onGoing"
	attribute topicCategoryCode = "geoscientificInformation"
group /Metadata/ESDR
	attribute ESDR_DURATION_PERIOD = "1979-2021"
	attribute ESDR_ENDING_YEAR = "2021"
	attribute ESDR_SPATIAL_EXTENT = "global"
	attribute ESDR_SPATIAL_RESOLUTION = "25km"
	attribute ESDR_START_YEAR = "1979"
	attribute ESDR_SUMMARY = "NASA Measures Freeze Thaw global daily dataset"
	attribute ESDR_TEMPORAL_RESOLUTION = "daily"
	attribute ESDR_VERSION = "5.1"
group /Metadata/Extent
	attribute description = "NASA Measures Freeze Thaw domain TBD-describe here"
	attribute eastBoundLongitude = "179.999994 86.716744"
	attribute northBoundLatitude = "86.716744"
	attribute rangeBeginningDateTime = "2023-03-28T10:54:17.220857"
	attribute rangeEndingDateTime = "2023-03-28T10:54:17.220857"
	attribute southBoundLatitude = "-86.716744"
	attribute westBoundLongitude = "-179.999994 86.716744"
group /Metadata/Extent/easegrid
	attribute grid_lower_center_xy = "-1.8E-6 -4.3E-6"
	attribute grid_lower_left_xy = "-1.7334193538E7 -7344784.825"
	attribute grid_lower_right_xy = "1.7334193537E7 -7344784.825"
	attribute grid_units = "meters"
	attribute grid_upper_left_xy = "-1.7334193538E7 7344784.825"
	attribute grid_upper_right_xy = "1.7334193537E7 7344784.825"
group /Metadata/Extent/geographic
	attribute lower_center_lon_lat_deg = "0.0 0.0"
	attribute ne_lon_lat_deg = "179.999994 86.716744"
	attribute nw_lon_lat_deg = "-179.999994 86.716744"
	attribute se_lon_lat_deg = "179.999994 -86.716744"
	attribute sw_lon_lat_deg = "-179.999994 -86.716744"
	attribute units = "decimal_degrees"
group /Metadata/GridSpatialRepresentation
	attribute GridDescription = "EASEGRID v1.0 by NSIDC"
	attribute GridName = "EASEGRID"
	attribute GridUnits = "meters"
	attribute GridVersion = "v1.0"
group /Metadata/GridSpatialRepresentation/Latitude
	attribute dimensionSize = "varies-by-latitude"
	attribute resolution = "25 km on average"
group /Metadata/GridSpatialRepresentation/Longitude
	attribute dimensionSize = "varies-by-longitude"
	attribute resolution = "25 km on average"
group /Metadata/GridSpatialRepresentation/cells_eastwest
	attribute dimensionSize = "1383"
	attribute resolution = "25 km on average"
group /Metadata/GridSpatialRepresentation/cells_northsouth
	attribute dimensionSize = "586"
	attribute resolution = "25 km on average"
group /Metadata/ProcessStep
	attribute ATBDDate = "2009-07-03"
	attribute ATBDTitle = "NASA MEaSUREs: Making Earth System Data Records for Use in Research Environments (NNH06ZDA001N) An Earth System Data Record for Land Surface Freeze/Thaw State"
	attribute ATBDVersion = "v1"
	attribute SWVersionID = "v1.7.9-2017-07-24T10:00-07:00"
	attribute algorithmDescription = "Freeze Thaw daily global status at 25km resolution for 1979-2021"
	attribute algorithmVersionID = "umt-FREEZE-THAW-v4_0"
	attribute documentDate = "2009-07-03"
	attribute documentVersion = "2009-07-03"
	attribute documentation = "NASA MEaSUREs: Making Earth System Data Records for Use in Research Environments (NNH06ZDA001N) An Earth System Data Record for Land Surface Freeze/Thaw State"
	attribute epochJulianDate = "2.45154e+06"
	attribute epochUTCDate = "2000-01-01T11:58:55.816Z"
	attribute identifier = "FT_post-processor-software (Python v3.7)"
	attribute processDescription = "Freeze Thaw status uses {SSMI SMMR AMSR-E AMSR2} data within a daily global model to generate spatially complete and temporally continuous estimates of freeze thaw state at 25km."
	attribute processor = "Univ  CFC Department  Montana Numerical Terradynamic Simulation Group (NTSG)"
	attribute radar_day_of_year = "328"
	attribute radar_frequency = "37V"
	attribute radar_instrument_label = "SSMI"
	attribute radar_overpass_label = "PM"
	attribute radar_year = "1998"
	attribute softwareDate = "v1.8-2023-03-27T05:17:00-07:00"
	attribute softwareTitle = "Freeze Thaw status post-processor software  ft_postproc.py"
	attribute stepDateTime = "2023-03-28T10:54:17.220864"
	attribute timeVariableEpoch = "J2000"
group /Metadata/SeriesIdentification
	attribute CompositeReleaseID = "v5.1"
	attribute ECSVersionDescription = "N/A"
	attribute FREEZE_THAW_ShortName = "ft_status"
	attribute PSDAuthors = "Youngwook Kim  John S. Kimball  Joseph Glassy"
	attribute PSDDOI = "http://dx.doi.org/10.5067/MEASURES/CRYOSPHERE/nsidc-0477.004"
	attribute PSDEdition = "v4"
	attribute PSDPublicationDate = "2016-03-31"
	attribute PSDTitle = "A Global Data Record of Daily Landscape Freeze/Thaw status Version 5.1"
	attribute VersionID = "V5.1"
	attribute abstract = "The NASA Measures Freeze Thaw earth science data record (1979-2021) provides provides spatially and temporally freeze thaw state for science and applications users."
	attribute characterSet = "utf8"
	attribute credit = "The software that generates the NASA Freeze/Thaw data product is the property of the University of Montana Numerical Terradynamic Simulation Group (NTSG) and was transferred to the NASA Global Modeling and Assimilation Office (GMAO)  Goddard Space Flight Center  Greenbelt  Maryland  USA. "
	attribute format = "HDF5"
	attribute formatVersion = "HDF5-Version-1.10.6"
	attribute identifier_product_DOI = "dx.doi.org/10.5067"
	attribute language = "english"
	attribute longName = "NASA Measures Freeze/Thaw Earth Science Data Record (ESDR)  daily global 25km resolution freeze thaw status classification for 1979-2021"
	attribute maintenanceAndUpdateFrequency = "As-Needed"
	attribute maintenanceDate = "2023-03-27"
	attribute mission = "NASA Measures Earth Science Data Record (ESDR) Freeze Thaw status"
	attribute pointOfContact = "National Snow and Ice Data Center  Boulder  Colorado  USA; and Univ. Montana NTSG"
	attribute purpose = "The NASA Measures Freeze Thaw earth science data record (1979-2021) provides provides spatially and temporally freeze thaw state for science and applications users."
	attribute resourceProviderOrganizationName = "National Aeronautics and Space Administration"
	attribute revisionDate = "2023-03-27"
	attribute shortName = "Freeze-Thaw"
	attribute status = "on-going"
	attribute topicCategoryCode = "geo-scientific-Information"
group /Metadata/Source
group /Metadata/Source/Ancillary
group /Metadata/Source/Ancillary/FT_cell_lat
	attribute DOI = "N/A"
	attribute creationDate = "2016-10-27T14:45:00-07:00"
	attribute description = "Freeze Thaw cell latitude bin-center 586x1383 reference binary float32 image"
	attribute fileName = "ft_cell_lat.h5"
	attribute identifier = "FT_CELL_LAT"
	attribute version = "v4"
group /Metadata/Source/Ancillary/FT_cell_lon
	attribute DOI = "N/A"
	attribute creationDate = "2016-10-27T14:45:00-07:00"
	attribute description = "Freeze Thaw cell longitude bin-center 586x1383 reference binary float32 image"
	attribute fileName = "ft_cell_lon.h5"
	attribute identifier = "FT_CELL_LON"
	attribute version = "v4"
group /Metadata/Source/FT_RADAR_INPUT1
	attribute DOI = "http://dx.doi.org/10.5067/XIMNXRTQVMOX."
	attribute creationdate = "2006-01-01"
	attribute description = "AMSR"
	attribute filename = "AMSR series"
	attribute identifier = "AMSR radar"
	attribute publication = "Knowles  K.  M. Savoie  R. Armstrong  and M. Brodzik. 2006. AMSR-E/Aqua Daily EASE-Grid Brightness Temperatures  Version 1. [Indicate subset used]. Boulder  Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/XIMNXRTQVMOX."
	attribute url = "http://nsidc.org/data/nsidc-0071"
	attribute version = "v1"
group /Metadata/Source/FT_RADAR_INPUT2
	attribute DOI = "http://dx.doi.org/10.5067/36SLCSCZU7N6"
	attribute creationdate = "2000-01-01"
	attribute description = "SMMR -- Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperature"
	attribute filename = "SMMR_37V series"
	attribute identifier = "SMMR"
	attribute publication = "Knowles  K.  E. G. Njoku  R. Armstrong  and M. Brodzik. 2000. Nimbus-7 SMMR Pathfinder Daily EASE-Grid Brightness Temperatures  Version 1. [Indicate subset used]. Boulder  Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/36SLCSCZU7N6."
	attribute url = "http://nsidc.org/data/nsidc-0071"
	attribute version = "v1"
group /Metadata/Source/FT_RADAR_INPUT3
	attribute DOI = "http://dx.doi.org/10.5067/3EX2U1DV3434"
	attribute creationdate = "1994 updated 2022"
	attribute description = "SSMI"
	attribute filename = "SSMI_37V series"
	attribute identifier = "SSMI radar"
	attribute publication = "Armstrong  R.  K. Knowles  M. Brodzik  and M. A. Hardman. 1994  updated 2016. DMSP SSM/I-SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures  Version 2. [Indicate subset used]. Boulder  Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/3EX2U1DV3434"
	attribute url = "http://nsidc.org/data/nsidc-0032"
	attribute version = "v1"
group /Metadata/Source/FT_RADAR_INPUT4
	attribute DOI = "TBD"
	attribute creationdate = "2016-10-27"
	attribute description = "AMSR2 L1R Version 2.1"
	attribute filename = "AMSR2 radar series"
	attribute identifier = "AMSR2 radar"
	attribute publication = "TBD"
	attribute url = "TBD"
	attribute version = "L1R Version 2.1"
dataset /cell_lat: float32, shape (586, 1383)
	attribute long_name = "cell_lat: F/T coordinate variable for NS latitude axis"
	attribute short_name = "cell_lat"
	attribute units = "decimal degrees"
	attribute valid_max = 86.716744
	attribute valid_min = -86.716744
dataset /cell_lon: float32, shape (586, 1383)
	attribute long_name = "cell_lon: F/T coordinate variable for EW longitude axis"
	attribute short_name = "cell_lon"
	attribute units = "decimal degrees"
	attribute valid_max = 179.86985778
	attribute valid_min = -179.86985778
dataset /ft_qc: uint8, shape (586, 1383)
	attribute fillvalue = "255"
	attribute ft_qc_bitflag_counts = "{0: 0, 1: 0, 2: 25225, 3: 25225}"
	attribute legend = (text block)
| LEGEND_QC_BIT_0 : INTERP 0: Brightness temperatures (Tb) WERE NOT interpolated, and 1: Tb WERE INTERPOLATED for this pixel.
| LEGEND_QC_BIT_1 : OWF    0: Open water fraction of pixel is less than or equal to 20%; and 1: Open water fraction is >20% for this pixel/day.
| LEGEND_QC_BIT_2 : LEG    0: Large Elevation Gradient less than or equal to 300m this pixel; and 1: Large elevation gradient >300m this pixel/day.
| LEGEND_QC_BIT_3 : PRECIP 0: NO Large precip event occurred this pixel/day; and 1: Large precip event DID OCCUR this pixel/day.
| LEGEND_QC_BIT_DESCRIPTION : Definition of how the daily, pixel-wise Freeze Thaw QC (0|1) bit values, for bits (0-3), are defined in an 8-bit QC word.
	attribute long_name = "ft_qc"
	attribute short_name = "ft_qc"
	attribute units = "bitfield-boolean(0|1)"
	attribute valid_max = 1
	attribute valid_min = 0
dataset /ft_status: uint8, shape (586, 1383)
	attribute fillvalue = "255"
	attribute ft_status_pixel_counts = "{254: 564976, 0: 71055, 1: 77327, 253: 97080}"
	attribute legend = (text block)
| LEGEND_FT_STATUS_000 : 0 is Frozen (AM/PM frozen) RGB{0,0,255) in color images
| LEGEND_FT_STATUS_001 : 1 is Thawed (AM/PM thawed) RGB{255,0,0) in color images
| LEGEND_FT_STATUS_002 : 2 is Transitional (AM frozen and PM thawed) RGB{168,168,0) in color images
| LEGEND_FT_STATUS_003 : 3 is Inverse Transitional  (PM frozen and AM thawed) RGB{76,230,0) in color images
| LEGEND_FT_STATUS_252 : 252 no data RGB{255,255,255} in color images in color images
| LEGEND_FT_STATUS_253 : 253 non-cold constraint area RGB{200,200,200} in color images
| LEGEND_FT_STATUS_254 : 254 is 100 Percent open water RGB{255,255,255} in color images
| LEGEND_FT_STATUS_255 : 255 is Fillvalue RGB{255,255,255} in color images
| LEGEND_FT_STATUS_DESCRIPTION : Definition of the Freeze Thaw Vers 4 pixel classification by instr-year-Overpass-DayOfYear combination.
| LEGEND_FT_STATUS_DOMAIN : F/T codes for ESDR domain extent are (0,1,2,3) with all other pixels outside F/T domain
	attribute long_name = "ft_status"
	attribute open-water = 254
	attribute short_name = "ft_status"
	attribute units = "dimensionless"
	attribute valid_max = 254
	attribute valid_min = 0