<schemes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://gcmd.earthdata.nasa.gov/static/kms/kms.xsd">
  <scheme updateDate="2025-07-25" longName="Chronostratigraphic Units" name="chronounits" csvHeaders="Eon,Era,Period,Epoch,Age,Sub-Age,UUID"/>
  <scheme updateDate="2025-07-25" longName="Locations" name="locations" csvHeaders="Location_Category,Location_Type,Location_Subregion1,Location_Subregion2,Location_Subregion3,Location_Subregion4,UUID"/>
  <scheme updateDate="2025-07-28" longName="Providers" name="providers" csvHeaders="Bucket_Level0,Bucket_Level1,Bucket_Level2,Bucket_Level3,Short_Name,Long_Name,Data_Center_URL,UUID"/>
  <scheme updateDate="2025-07-25" longName="Platforms" name="platforms" csvHeaders="Basis,Category,Sub_Category,Short_Name,Long_Name,UUID"/>
  <scheme updateDate="2025-07-28" longName="Instruments" name="instruments" csvHeaders="Category,Class,Type,Subtype,Short_Name,Long_Name,UUID"/>
  <scheme updateDate="2025-07-28" longName="Projects" name="projects" csvHeaders="Bucket,Short_Name,Long_Name,UUID"/>
  <scheme updateDate="2025-07-25" longName="Disciplines" name="discipline" csvHeaders="Discipline_Name,Subdiscipline,UUID"/>
  <scheme updateDate="2025-07-25" longName="IDN Nodes" name="idnnode" csvHeaders="Short_Name,Long_Name,UUID"/>
  <scheme updateDate="2025-07-25" longName="ISO Topic Categories" name="isotopiccategory" csvHeaders="ISO_Topic_Category,UUID"/>
  <scheme updateDate="2025-07-25" longName="Temporal Resolution Ranges" name="temporalresolutionrange" csvHeaders="Temporal_Resolution_Range,UUID"/>
  <scheme updateDate="2025-07-25" longName="Vertical Resolution Ranges" name="verticalresolutionrange" csvHeaders="Vertical_Resolution_Range,UUID"/>
  <scheme updateDate="2025-07-25" longName="Horizontal Resolution Ranges" name="horizontalresolutionrange" csvHeaders="Horizontal_Resolution_Range,UUID"/>
  <scheme updateDate="2025-07-25" longName="Personnel Role" name="PersonnelRole"/>
  <scheme updateDate="2025-07-25" longName="Dataset Language" name="DatasetLanguage"/>
  <scheme updateDate="2025-07-25" longName="Product Flag" name="ProductFlag"/>
  <scheme updateDate="2025-07-25" longName="Dataset Progress" name="DatasetProgress"/>
  <scheme updateDate="2025-07-25" longName="Collection Data Type" name="CollectionDataType"/>
  <scheme updateDate="2025-07-25" longName="Platform Type" name="PlatformType"/>
  <scheme updateDate="2025-07-25" longName="Private" name="Private"/>
  <scheme updateDate="2025-07-25" longName="Metadata Association Type" name="MetadataAssociationType"/>
  <scheme updateDate="2025-07-25" longName="Organization Personnel Role" name="OrganizationPersonnelRole"/>
  <scheme updateDate="2025-07-25" longName="Duration Unit" name="DurationUnit"/>
  <scheme updateDate="2025-07-25" longName="Phone Type" name="PhoneType"/>
  <scheme updateDate="2025-07-25" longName="Persistent Identifier" name="PersistentIdentifier"/>
  <scheme updateDate="2025-07-25" longName="Organization Type" name="OrganizationType"/>
  <scheme updateDate="2025-07-25" longName="Granule Spatial Representation" name="GranuleSpatialRepresentation"/>
  <scheme updateDate="2025-07-25" longName="Coordinate System" name="CoordinateSystem"/>
  <scheme updateDate="2025-07-25" longName="Product Level Id" name="ProductLevelId"/>
  <scheme updateDate="2025-07-25" longName="Spatial Coverage Type" name="SpatialCoverageType"/>
  <scheme updateDate="2025-07-25" longName="Contact Type" name="ContactType"/>
  <scheme updateDate="2025-07-25" longName="Multimedia Format" name="MultimediaFormat"/>
  <scheme updateDate="2025-07-25" longName="Mime Type" name="MimeType"/>
  <scheme updateDate="2025-07-25" longName="Distribution Size Unit" name="DistributionSizeUnit"/>
  <scheme updateDate="2025-07-25" longName="Related URL Content Types" name="rucontenttype" csvHeaders="URLContentType,Type,Subtype,UUID"/>
  <scheme updateDate="2025-07-25" longName="Metadata Language" name="MetadataLanguage"/>
  <scheme updateDate="2025-07-25" longName="Data Format" name="DataFormat" csvHeaders="Short_Name,Long_Name,UUID"/>
  <scheme updateDate="2025-07-25" longName="Measurement Name" name="MeasurementName" csvHeaders="Context_Medium,Object,Quantity,UUID"/>
  <scheme updateDate="2025-07-25" longName="Projection Name" name="ProjectionName"/>
  <scheme updateDate="2025-07-25" longName="Science Keywords" name="sciencekeywords" csvHeaders="Category,Topic,Term,Variable_Level_1,Variable_Level_2,Variable_Level_3,Detailed_Variable,UUID"/>
  <scheme updateDate="2025-07-25" longName="Operations" name="Operations"/>
  <scheme updateDate="2025-07-25" longName="Projection Authority" name="ProjectionAuthority"/>
  <scheme updateDate="2025-07-25" longName="Chained Operations" name="ChainedOperations"/>
  <scheme updateDate="2025-07-25" longName="Projection Datum Names" name="ProjectionDatumNames"/>
</schemes>
