{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Youngwook Kim", "hasEmail": "mailto:youngwook.kim@ntsg.umt.edu"}, "description": "This 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).", "distribution": [{"@type": "dcat:Distribution", "description": "Includes a user's guide, supplemental documents like ATBDs and academic papers, How Tos, FAQs, etc.", "downloadURL": "https://doi.org/10.5067/LJ6SLXNJB2CQ", "format": "HTML", "mediaType": "text/html", "title": "View documentation related to this dataset"}, {"@type": "dcat:Distribution", "description": "NASA's newest search and order tool for subsetting, reprojecting, and reformatting data.", "downloadURL": "https://search.earthdata.nasa.gov/search?q=NSIDC-0477+V005", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset through Earthdata Search"}, {"@type": "dcat:Distribution", "description": "Search and filter data files using a map-based interface", "downloadURL": "https://nsidc.org/data/data-access-tool/NSIDC-0477/versions/5/", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset"}, {"@type": "dcat:Distribution", "description": "Search results for publications that cite this dataset by its DOI.", "downloadURL": "https://scholar.google.com/scholar?q=10.5067%2FLJ6SLXNJB2CQ", "format": "HTML", "mediaType": "text/html", "title": "Google Scholar search results"}], "identifier": "C2137003017-NSIDC_ECS", "issued": "1979-01-01", "keyword": ["earth-science", "snow-ice", "terrestrial-hydrosphere"], "landingPage": "https://doi.org/10.5067/LJ6SLXNJB2CQ", "language": ["en-US"], "modified": "2025-07-17", "programCode": ["026:001"], "publisher": {"@type": "org:Organization", "name": "NASA NSIDC DAAC"}, "spatial": "-179.9999 -86.7167 179.9999 86.7167", "temporal": "1979-01-01T00:00:00Z/2021-12-31T23:59:59.999Z", "theme": ["geospatial"], "title": "MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status V005"}