{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Earthdata Forum", "hasEmail": "mailto:earthdata-support@nasa.gov"}, "description": "These data were collected as part of a validation study for the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E). Data were collected in crop fields using a variety of methods and sensors: manual soil samples for gravimetric and bulk density data, infrared pyrometers for soil moisture, and hydra probes for soil moisture and temperature.", "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/C1386204041-NSIDCV0.iso19115", "format": "ISO", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "downloadURL": "https://daacdata.apps.nsidc.org/pub/DATASETS/AVDM/data/soil_moisture/SMEX02/ground_soil_moisture/regional_GSM/", "format": "BIN", "mediaType": "application/octet-stream"}, {"@type": "dcat:Distribution", "downloadURL": "https://doi.org/10.5067/602254K8XDBX", "format": "HTML", "mediaType": "text/html"}], "identifier": "10.5067/602254K8XDBX", "keyword": ["earth-science-soils-agriculture-soil-bulk-density", "earth-science-soils-agriculture-soil-moisture-water-content", "earth-science-soils-agriculture-soil-temperature", "earth-science-soils-land-surface-soil-bulk-density", "earth-science-soils-land-surface-soil-moisture-water-content", "earth-science-soils-land-surface-soil-temperature"], "license": "https://www.usa.gov/government-works", "modified": "2026-05-11", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA NSIDC DAAC;NSIDC"}, "spatial": "[\"CARTESIAN\",[{\"WestBoundingCoordinate\":-93.8,\"NorthBoundingCoordinate\":42.7,\"EastBoundingCoordinate\":-93.2,\"SouthBoundingCoordinate\":41.7}]]", "temporal": "2002-06-25/2002-07-12", "theme": ["Earth Science"], "title": "SMEX02 Iowa Regional Ground Soil Moisture Data, Version 1"}