{
  "Spase": {
    "xmlns": "http://www.spase-group.org/data/schema",
    "xmlns:xsi": "http://www.w3.org/2001/XMLSchema-instance",
    "xsi:schemaLocation": "https://www.spase-group.org/data/schema https://www.spase-group.org/data/schema/spase-2.7.1.xsd",
    "Version": "2.7.1",
    "MetadataRightsList": {
      "Rights": {
        "SchemeURI": "https://spdx.org/licenses/",
        "RightsIdentifierScheme": "SPDX",
        "RightsIdentifier": "CC0-1.0",
        "RightsURI": "https://spdx.org/licenses/CC0-1.0.html",
        "RightsName": "Creative Commons Zero v1.0 Universal",
        "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions"
      }
    },
    "NumericalData": {
      "ResourceID": "spase://NASA/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2",
      "NamingAuthority": "NASA",
      "ResourceType": "NumericalData",
      "ResourceHeader": {
        "ResourceName": "TIMED GUVI L3 Thermospheric O/N2",
        "ReleaseDate": "2025-12-04T13:32:04Z",
        "RevisionHistory": {
          "RevisionEvent": [
            {
              "ReleaseDate": "2020-07-07T21:15:38Z",
              "Note": "Only known prior ReleaseDate of the metadata"
            },
            {
              "ReleaseDate": "2025-11-14T16:01:51Z",
              "Note": "Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB"
            },
            {
              "ReleaseDate": "2025-12-04T13:32:04Z",
              "Note": "Added MetadataRightsList. Updated to 2.7.1. ZCB"
            }
          ]
        },
        "Description": "Daily maps of the thermospheric column number density ratio of O and N2 referenced at N2 column number density level of 10e17 cm-2.",
        "Acknowledgement": "NASA, Andrew B. Christensen",
        "PublicationInfo": {
          "Authors": "Christensen, Andrew B.",
          "PublicationDate": "2025-11-14T16:01:51Z",
          "PublishedBy": "Johns Hopkins University Applied Physics Laboratory"
        },
        "Contact": {
          "PersonID": "spase://SMWG/Person/Andrew.B.Christensen",
          "Role": "PrincipalInvestigator"
        },
        "InformationURL": {
          "Name": "O/N2 Data Information",
          "URL": "http://guvitimed.jhuapl.edu/data_on2_info"
        },
        "PriorID": [
          "spase://VITMO/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2",
          "spase://VSPO/NumericalData/TIMED/GUVI/L3_Thermospheric_O-N2"
        ]
      },
      "AccessInformation": {
        "RepositoryID": "spase://SMWG/Repository/TIMED/GUVI_POC",
        "Availability": "Online",
        "AccessRights": "Open",
        "AccessURL": {
          "Name": "GUVI POC L3 Thermospheric O/N2 (IDLsave) Data Request",
          "URL": "http://guvitimed.jhuapl.edu/data_fetch_l3_on2_idlsave",
          "Description": "This web page allows the request of data files for this product.  To request data: select the year and day then press display."
        },
        "Format": "IDL",
        "Encoding": "None",
        "Acknowledgement": "NASA, Andrew B. Christensen"
      },
      "ProcessingLevel": "Calibrated",
      "ProviderResourceName": "GUVI L3 Thermospheric O/N2",
      "ProviderProcessingLevel": "Level 3",
      "ProviderVersion": "001",
      "InstrumentID": "spase://SMWG/Instrument/TIMED/GUVI",
      "MeasurementType": "Profile",
      "TemporalDescription": {
        "TimeSpan": {
          "StartDate": "2002-01-07T00:00:00.000Z",
          "RelativeStopDate": "P14D"
        }
      },
      "ObservedRegion": "Earth.NearSurface.Thermosphere",
      "Keyword": [
        "TIMED",
        "GUVI",
        "lower thermosphere",
        "MLTI"
      ],
      "Parameter": {
        "Name": "Thermospheric O/N2 Data",
        "ParameterKey": "O/N2 ratio",
        "Description": "The thermospheric column number density ratio of O and N2.",
        "Units": "unitless",
        "Particle": {
          "ParticleType": "Molecule",
          "Qualifier": "Ratio",
          "ParticleQuantity": "NumberDensity"
        }
      }
    }
  }
}