{
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  "accessLevel": "public",
  "bureauCode": [
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  "contactPoint": {
    "@type": "vcard:Contact",
    "fn": "Earthdata Forum",
    "hasEmail": "mailto:earthdata-support@nasa.gov"
  },
  "description": "This data set includes radiosonde measurements of upper air temperature and pressure, relative humidity, and wind direction and speed during the balloons' ascent to the upper atmosphere.",
  "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/C1386204166-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/meteorological/radiosonde/",
      "format": "BIN",
      "mediaType": "application/octet-stream"
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    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://doi.org/10.5067/UKOUWG8EP6N3",
      "format": "HTML",
      "mediaType": "text/html"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://nsidc.org/sites/default/files/amsr-e20soil20moisture20validation20data.pdf",
      "format": "PDF",
      "mediaType": "application/pdf"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://nsidc.org/sites/default/files/nsidc-0231-v001-userguide.pdf",
      "format": "PDF",
      "mediaType": "application/pdf"
    }
  ],
  "identifier": "10.5067/UKOUWG8EP6N3",
  "keyword": [
    "earth-science-altitude-atmosphere-station-height",
    "earth-science-atmospheric-pressure-atmosphere-atmospheric-pressure-measurements",
    "earth-science-atmospheric-temperature-atmosphere-surface-temperature",
    "earth-science-atmospheric-water-vapor-atmosphere-water-vapor-indicators",
    "earth-science-atmospheric-winds-atmosphere-upper-level-winds",
    "earth-science-atmospheric-winds-atmosphere-wind-profiles",
    "earth-science-ocean-winds-oceans-vertical-wind-motion"
  ],
  "license": "https://www.usa.gov/government-works",
  "modified": "2026-09-08",
  "programCode": [
    "026:000"
  ],
  "publisher": {
    "@type": "org:Organization",
    "name": "NASA NSIDC DAAC"
  },
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  "temporal": "2002-06-15/2002-07-09",
  "theme": [
    "Earth Science"
  ],
  "title": "SMEX02 Balloon-borne Radiosonde Data, Iowa, Version 1"
}