{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "Thaw depths and water depths were monitored at 1 m to 2 m intervals along a 255-m transect across an area of discontinuous and degrading permafrost on the Tanana Flats south of Fairbanks, Alaska. Measurements were taken once a year in late August from 1995 to 2002 to show effects of winter snow depths, climate warming, and vegetation and wetland creation-surface subsidence. Data are in a single tab-delimited ASCII text file, available via FTP.", "distribution": [{"@type": "dcat:Distribution", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C1386206575-NSIDCV0.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "http://nsidc.org/data/docs/fgdc/ggd249_activlayer_svalbard/index.html", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.7265/z443-zx80", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "downloadURL": "https://nsidc.org/forms/GGD249_or.html?major_version=1", "format": "BIN", "mediaType": "application/octet-stream"}], "identifier": "10.7265/tabj-z790", "keyword": ["earth-science-frozen-ground-cryosphere-permafrost", "earth-science-frozen-ground-land-surface-permafrost", "earth-science-ground-water-terrestrial-hydrosphere-water-table", "earth-science-snow-ice-cryosphere-permafrost", "earth-science-snow-ice-terrestrial-hydrosphere-permafrost", "earth-science-soils-land-surface-permafrost"], "license": "https://www.usa.gov/government-works", "modified": "2026-06-23", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NSIDC"}, "spatial": "[\"CARTESIAN\", [{\"WestBoundingCoordinate\": -147.9, \"NorthBoundingCoordinate\": 64.7, \"EastBoundingCoordinate\": -147.9, \"SouthBoundingCoordinate\": 64.7}]]", "temporal": "1995-08-01/2002-08-01", "theme": ["Earth Science"], "title": "Annual Thaw Depths and Water Depths in Tanana Flats, Alaska, Version 1"}