2024-03-29T10:56:24Zhttp://nsidc.org/api/dataset/metadata/oaioai:nsidc.org/NSIDC-0477.0052023-11-29T06:18:04Zecsnasa_nsidc_daac
NSIDC-0477.005MEaSUREs Global Record of Daily Landscape Freeze/Thaw StatusKim, Y., J. S. Kimball, J. Du, and J. Glassy.MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status2021-10-01Boulder, Colorado USANASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center5false10.5067/LJ6SLXNJB2CQhttps://doi.org/10.5067/LJ6SLXNJB2CQNSIDC-0477Kim, Y., J. S. Kimball, J. Glassy, and J. Du2017An Extended Global Earth System Data Record on Daily Landscape Freeeze-Thaw Determined from Satellite Passive Microwave Remote SensingEarth System Science Data91133–147<a href="https://doi.org/10.5194/essd-9-133-2017">https://doi.org/10.5194/essd-9-133-2017</a>Literature CitationInvestigatorYoungwookKimyoungwook.kim@ntsg.umt.eduThe University of MontanaMissoulaMT 59812USAInvestigatorJohnS.Kimballjohnk@ntsg.umt.eduCollege of Forestry & ConservationMissoulaMT59812-1049USAInvestigatorJinyang DuInvestigatorTobiasKundigtobias.kundig@umconnect.umt.eduTechnical Contactnsidc@nsidc.org1-303-492-6199449 UCBBoulderCO80309-0449USAEARTH SCIENCETERRESTRIAL HYDROSPHERESNOW/ICEFREEZE/THAW Climatology/Meteorology/AtmosphereBrightness TemperatureFreeze/ThawFreeze/Thaw-MEaSUREs-projectMEaSUREs-projectAMSR2Advanced Microwave Scanning Radiometer 2SMMRScanning Multichannel Microwave RadiometerSSM/ISpecial Sensor Microwave/ImagerSSMISSpecial Sensor Microwave Imager/SounderDMSP 5D-2/F11Defense Meteorological Satellite Program-F11DMSP 5D-2/F13Defense Meteorological Satellite Program-F13DMSP 5D-2/F8Defense Meteorological Satellite Program-F8DMSP 5D-3/F17Defense Meteorological Satellite Program-F17GCOM-W1Global Change Observation Mission 1st-WaterNimbus-7Nimbus-71979-01-012021-12-31complete-86.716786.7167-179.9999179.9999GEOGRAPHIC REGIONGLOBAL25 km25 km1 dayMEASURESMaking Earth System Data Records for Use in Research EnvironmentsThese data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).These data are freely, openly, and fully available to use without restrictions, provided that you cite the data according to the recommended citation at https://nsidc.org/about/use_copyright.html. For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.EnglishUMTNASA NSIDC DAACNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daacData Center ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-6199National Snow and Ice Data CenterCIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAHTTPSHDFHTTPSGIFHTTPSGeoTIFFThis data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains a global record of the daily freeze/thaw status of the landscape. The record is derived from radiometric brightness temperatures acquired between 1979 and 2021 by four satellite-based, passive microwave sensors: the Scanning Multichannel Microwave Radiometer (SMMR), the Special Sensor Microwave/Imager (SSM/I), the Special Sensor Microwave Imager/Sounder (SSMIS), and the Advanced Microwave Scanning Radiometer 2 (AMSR2).VIEW RELATED INFORMATIONhttps://doi.org/10.5067/LJ6SLXNJB2CQDocumentationGET DATAhttps://n5eil01u.ecs.nsidc.org/MEASURES/NSIDC-0477.005/HTTPSGET DATAhttps://nsidc.org/data/data-access-tool/NSIDC-0477/versions/5/Data Access ToolGET DATAhttps://search.earthdata.nasa.gov/search?q=NSIDC-0477+V005Earthdata SearchPROJECT HOME PAGEhttp://freezethaw.ntsg.umt.eduFreeze/Thaw Earth System Data Record @ UMCEOS IDN DIFVERSION 9.92021-10-012023-11-29NSIDCVersion SummaryThis version update includes:
• Extended F/T record to 2021;
• Applied modified seasonal threshold algorithm (MSTA) for the F/T classification where MSTA Tb reference F/T conditions are calibrated annually for each pixel using ERA5 (Hersbach et al., 2018) daily surface air temperature (SAT) records;
• Constant threshold applied over global permanent snow/ice regions to determine the F/T state when the correlation (r-value) between ERA5 SAT and brightness temperature (Tb) is low (absolute value of r less than 0.5). The constant Tb threshold used to distinguish F/T events was determined annually using mean Tb threshold values derived from pixels with higher correlation (absolute value of r greater than 0.5) between SSM/I Tb and ERA5 SAT;
• Applied diurnal amplitude variation (DAV) of Tb from ascending and descending orbital overpass retrievals as an additional step to confirm thaw condition for the PM overpass only;
• Updated quality control (QC) flags included in the product granules identifying grid cells and days with missing and interpolated Tb observations, and characterizing extensive open water bodies, complex terrain, and precipitation events;
• Updated annual data quality assurance (QA) maps included to indicate product performance and reliability.NSIDCMinor Version1Changes for Version 5.1 include:
* The separate AMSR-E–AMSR2 data record (2002 - 2020) has been discontinued.
* Starting with V5.1, F/T status is provided as a single ESDR derived from SMMR, SSM/I, and SSMIS (1979 through 2020) and AMSR2 (2021 to present).
* The temporal coverage has been extended through 2021 using AMSR2 (see preceding bullet).
* GeoTIFF and HDF file metadata have been enhanced.
* GIFs added for AM and PM F/T statuses.
* Inaccurate SMMR pixel counts in annual QA files, inadvertently carried over from V4 to V5.0, have been corrected.
* File names updated with "v05.1"1979-01-012021-12-310NSIDCCurrent Version1NSIDCSpatial Reference SystemsEPSG:3410NSIDC EASE-Grid GlobalNSIDCLevel of ServiceComprehensiveNSIDCFull Dataset CitationKim, Y., J. S. Kimball, J. Du, and J. Glassy. 2021. <i>MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status.</i> Version 5. [indicate subset used]. Boulder, Colorado USA: NASA National Snow and Ice Data Center Distributed Active Archive Center. <a href="https://doi.org/10.5067/LJ6SLXNJB2CQ">https://doi.org/10.5067/LJ6SLXNJB2CQ</a>. [Date Accessed].NSIDCRetiredfalseNSIDCRelated Servicesapplication/vnd.nasa.cmr.umm+jsonfalsetdwilliaNSIDC_ECS_PROD_ECHO_ORDERS_serviceS1568899363-NSIDC_ECSNSIDC_ECS8service2023-05-31T15:37:55.746Zhttps://n5eil02u.ecs.nsidc.org/ops/cobi/ECHO ORDERS Service for NSIDC_ECS EOSDIS Service ImplementationNSIDC_ECS_ECHO_ORDERSECHO ORDERS1NSIDC_ECS EOSDIS ECHO ORDERS Service ImplementationNSIDC_ECS EOSDIS ECHO ORDERS Service ImplementationAvailableNONEDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA DELIVERYDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESNONEPUBLISHERNASA National Snow and Ice Data Center Distributed Active Archive CenterNASA/NSIDChttps://cdn.earthdata.nasa.gov/umm/service/v1.4UMM-S1.4https://n5eil02u.ecs.nsidc.org/ops/cobi/application/vnd.nasa.cmr.umm+jsonfalseamy.steikermmt_service_14309S2008251359-NSIDC_ECSNSIDC_ECS8service2022-06-16T20:03:40.593Zhttps://nsidc.org/api/mapservices/NSIDC/NSIDC_ECS_GeoserverNOT PROVIDED2.15.0Data Map Services APIAccess georegistered images for data layers from select NSIDC data products. 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Bulk download using spatial and temporal filters, or incorporate data access commands into code/scripts as needed.https://nsidc.org/support/how/how-do-i-programmatically-request-data-servicesVIEW RELATED INFORMATIONProgrammatic Data Access GuidePublicationURLUSER SERVICESNSIDC DAAC User ServicesEmailnsidc@nsidc.org2023-04-19T00:00:00.000ZDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESThis is the most current release of this service. 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Last updated date is unknown.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0HDF-EOS2HDF-EOS5HDF4HDF5NETCDF-3NETCDF-4ASCIIHDF4HDF5WindowsmacOSLinuxhttps://www.hdfgroup.org/downloads/hdfview/application/vnd.nasa.cmr.umm+jsonfalseamy.steikermmt_tool_12447TL1956550964-NSIDC_ECSNSIDC_ECS7tool2022-09-13T15:23:54.397ZGOTO WEB TOOLhttps://worldview.earthdata.nasa.gov/DistributionURLNSIDC_ECS_WORLDVIEWWeb User Interface1NASA WorldviewBrowse and display global satellite imagery layers from NASA GIBS. Download raw data, share screenshots, and create animations from the imagery.https://nsidc.org/support/how/visualize-and-download-nsidc-data-nasa-worldviewVIEW RELATED INFORMATIONHow to visualize and download data with NASA WorldviewPublicationURLDATA VISUALIZATIONDATA ANALYSIS AND VISUALIZATIONEARTH SCIENCE SERVICESDATA SEARCHDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA INTEROPERABILITYDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA REFORMATTINGDATA CUSTOMIZATIONDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESGEOGRAPHIC INFORMATION SYSTEMSDATA ANALYSIS AND VISUALIZATIONEARTH SCIENCE SERVICESSERVICE PROVIDERNSIDC User Services OfficeEmailnsidc@nsidc.orgSERVICE PROVIDERWorldviewEmailsupport@earthdata.nasa.govDEVELOPERPUBLISHERSERVICE PROVIDERMaintenance and Development, Earth Observing System Data and Information System, Earth Observing System,Goddard Space Flight Center, NASAhttp://newsroom.gsfc.nasa.gov/NASA/GSFC/EOS/EOSDIS/EMDSee https://github.com/nasa-gibs/worldview/releases for more information on the latest version.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0GEOTIFFGIFJPEGKMLPNGhttps://worldview.earthdata.nasa.gov/application/vnd.nasa.cmr.umm+jsonfalsecandida.dewesmmt_tool_12314TL1952642907-NSIDC_ECSNSIDC_ECS5tool2022-09-20T18:06:04.544ZGOTO WEB TOOLhttps://nsidc.org/data/data-access-tool/DistributionURLNSIDC_ECS_Data_Access_ToolWeb User Interface1.5Data Access ToolFilter files before downloading based on date, spatial area, or file name. 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