$schema: https://json-schema.org/draft/2020-12/schema
title: OIM Variable Observation
description: 'OIM/SOSA observation profile for numeric variable and indicator values.
  The observedProperty field identifies the variable concept, such as indp:reef-aggregation-index,
  while hasResult carries the numeric value.

  '
$defs:
  GeoJSONPoint:
    type: object
    required:
    - type
    - coordinates
    properties:
      type:
        type: string
        const: Point
        x-jsonld-id: '@type'
      coordinates:
        type: array
        minItems: 2
        items:
          type: number
        x-jsonld-id: https://purl.org/geojson/vocab#coordinates
        x-jsonld-container: '@list'
      bbox:
        type: array
        items:
          type: number
  VariableObservationResult:
    type: object
    required:
    - value
    properties:
      type:
        oneOf:
        - type: string
        - type: array
          items:
            type: string
        x-jsonld-id: '@type'
      value:
        type: number
        x-jsonld-id: http://qudt.org/schema/qudt/numericValue
      unit:
        type: string
        format: uri-reference
        x-jsonld-id: http://qudt.org/schema/qudt/unit
        x-jsonld-type: '@id'
      taxon:
        type: string
        x-jsonld-id: https://schema.org/taxon
      taxonConcept:
        type: string
        format: uri-reference
        x-jsonld-id: https://schema.org/taxon
        x-jsonld-type: '@id'
      method:
        type: string
        x-jsonld-id: https://schema.org/measurementTechnique
      evidence:
        type: string
        format: uri-reference
        x-jsonld-id: https://schema.org/citation
        x-jsonld-type: '@id'
    additionalProperties: true
  OIMVariableObservationProps:
    type: object
    required:
    - observedProperty
    - hasResult
    properties:
      label:
        oneOf:
        - type: string
        - type: object
        x-jsonld-id: http://www.w3.org/2000/01/rdf-schema#label
        x-jsonld-container: '@language'
      observedProperty:
        type: string
        format: uri-reference
        x-jsonld-id: http://www.w3.org/ns/sosa/observedProperty
        x-jsonld-type: '@id'
      hasResult:
        $ref: '#/$defs/VariableObservationResult'
        x-jsonld-id: http://www.w3.org/ns/sosa/hasResult
        x-jsonld-type: '@id'
      phenomenonTime:
        type: string
        format: date-time
        x-jsonld-id: http://www.w3.org/ns/sosa/phenomenonTime
        x-jsonld-type: http://www.w3.org/2001/XMLSchema#dateTime
      resultTime:
        type: string
        format: date-time
        x-jsonld-id: http://www.w3.org/ns/sosa/resultTime
        x-jsonld-type: http://www.w3.org/2001/XMLSchema#dateTime
    additionalProperties: true
  OIMVariableObservationFeature:
    type: object
    required:
    - type
    - geometry
    - properties
    properties:
      '@context': true
      '@id':
        type: string
        format: uri-reference
      id:
        type: string
        format: uri-reference
        x-jsonld-id: '@id'
      type:
        type: string
        const: Feature
        x-jsonld-id: '@type'
      geometry:
        oneOf:
        - type: 'null'
        - $ref: '#/$defs/GeoJSONPoint'
        x-jsonld-id: https://purl.org/geojson/vocab#geometry
      properties:
        $ref: '#/$defs/OIMVariableObservationProps'
        x-jsonld-id: '@nest'
      links:
        type: array
    additionalProperties: true
  OIMVariableObservationCollection:
    type: object
    required:
    - type
    - features
    properties:
      '@context': true
      '@id':
        type: string
        format: uri-reference
      id:
        type: string
        format: uri-reference
        x-jsonld-id: '@id'
      type:
        type: string
        const: FeatureCollection
        x-jsonld-id: '@type'
      features:
        type: array
        items:
          $ref: '#/$defs/OIMVariableObservationFeature'
      links:
        type: array
    additionalProperties: true
anyOf:
- $ref: '#/$defs/OIMVariableObservationProps'
- $ref: '#/$defs/OIMVariableObservationFeature'
- $ref: '#/$defs/OIMVariableObservationCollection'
x-jsonld-extra-terms:
  PhotonFluxDensity: http://purl.oclc.org/NET/ssnx/qu/dim#PhotonFluxDensity
  implements:
    x-jsonld-id: http://www.w3.org/ns/ssn/implements
    x-jsonld-type: '@id'
  invalidatedAtTime:
    x-jsonld-id: http://www.w3.org/ns/prov#invalidatedAtTime
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#dateTime
  MultiLineString: http://www.opengis.net/ont/sf#MultiLineString
  Attachable: http://purl.org/linked-data/cube#Attachable
  QuantityValue: http://qudt.org/schema/qudt/QuantityValue
  affiliation: https://schema.org/affiliation
  Unit: http://qudt.org/schema/qudt/Unit
  Line: http://www.opengis.net/ont/sf#Line
  member:
    x-jsonld-id: http://xmlns.com/foaf/0.1/member
    x-jsonld-type: '@id'
  versionInfo: http://www.w3.org/2002/07/owl#versionInfo
  generatedAtTime:
    x-jsonld-id: http://www.w3.org/ns/prov#generatedAtTime
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#dateTime
  example: http://www.w3.org/2004/02/skos/core#example
  Slice: http://purl.org/linked-data/cube#Slice
  Concentration: http://purl.oclc.org/NET/ssnx/qu/dim#Concentration
  dataSet:
    x-jsonld-id: http://purl.org/linked-data/cube#dataSet
    x-jsonld-type: '@id'
  componentAttachment:
    x-jsonld-id: http://purl.org/linked-data/cube#componentAttachment
    x-jsonld-type: '@id'
  Platform: http://www.w3.org/ns/sosa/Platform
  concept:
    x-jsonld-id: http://purl.org/linked-data/cube#concept
    x-jsonld-type: '@id'
  Deployment: http://www.w3.org/ns/ssn/Deployment
  MultiSurface: http://www.opengis.net/ont/sf#MultiSurface
  TemporalDuration: http://www.w3.org/2006/time#TemporalDuration
  Procedure: http://www.w3.org/ns/sosa/Procedure
  DiffusionCoefficient: http://purl.oclc.org/NET/ssnx/qu/dim#DiffusionCoefficient
  asGeoJSON:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#asGeoJSON
    x-jsonld-type: http://www.opengis.net/ont/geosparql#geoJSONLiteral
  Organization: https://schema.org/Organization
  Volume: http://purl.oclc.org/NET/ssnx/qu/dim#Volume
  Thing: http://www.w3.org/2002/07/owl#Thing
  GFI_Feature: http://def.isotc211.org/iso19156/2011/GeneralFeatureInstance#GFI_Feature
  AttributeProperty: http://purl.org/linked-data/cube#AttributeProperty
  quantityValue:
    x-jsonld-id: http://qudt.org/schema/qudt/quantityValue
    x-jsonld-type: '@id'
  TemporalUnit: http://www.w3.org/2006/time#TemporalUnit
  hosts:
    x-jsonld-id: http://www.w3.org/ns/sosa/hosts
    x-jsonld-type: '@id'
  asWKT:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#asWKT
    x-jsonld-type: http://www.opengis.net/ont/geosparql#wktLiteral
  hasOutput:
    x-jsonld-id: http://www.w3.org/ns/ssn/hasOutput
    x-jsonld-type: '@id'
  Angle: http://purl.oclc.org/NET/ssnx/qu/dim#Angle
  TemperatureDrift: http://purl.oclc.org/NET/ssnx/qu/dim#TemperatureDrift
  RotationalSpeed: http://purl.oclc.org/NET/ssnx/qu/dim#RotationalSpeed
  FeatureOfInterest: http://www.w3.org/ns/sosa/FeatureOfInterest
  ComponentProperty: http://purl.org/linked-data/cube#ComponentProperty
  Class: http://www.w3.org/2000/01/rdf-schema#Class
  ObservationCollection: http://www.w3.org/ns/sosa/ObservationCollection
  Geometry: http://www.opengis.net/ont/geosparql#Geometry
  NumberPerArea: http://purl.oclc.org/NET/ssnx/qu/dim#NumberPerArea
  depiction: http://xmlns.com/foaf/0.1/depiction
  Curve: http://www.opengis.net/ont/sf#Curve
  Instant: http://www.w3.org/2006/time#Instant
  maker: http://xmlns.com/foaf/0.1/maker
  sfWithin:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#sfWithin
    x-jsonld-type: '@id'
  hasBoundingBox:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#hasBoundingBox
    x-jsonld-type: '@id'
  ThermalConductivity: http://purl.oclc.org/NET/ssnx/qu/dim#ThermalConductivity
  hasUltimateFeatureOfInterest:
    x-jsonld-id: http://www.w3.org/ns/sosa/hasUltimateFeatureOfInterest
    x-jsonld-type: '@id'
  domainIncludes: https://schema.org/domainIncludes
  madeBySensor:
    x-jsonld-id: http://www.w3.org/ns/sosa/madeBySensor
    x-jsonld-type: '@id'
  long: http://www.w3.org/2003/01/geo/wgs84_pos#long
  ActuatableProperty: http://www.w3.org/ns/sosa/ActuatableProperty
  Feature: https://purl.org/geojson/vocab#Feature
  LineString: http://www.opengis.net/ont/sf#LineString
  numericValue: http://qudt.org/schema/qudt/numericValue
  Concept: http://www.w3.org/2004/02/skos/core#Concept
  component:
    x-jsonld-id: http://purl.org/linked-data/cube#component
    x-jsonld-type: '@id'
  measure:
    x-jsonld-id: http://purl.org/linked-data/cube#measure
    x-jsonld-type: '@id'
  attribute:
    x-jsonld-id: http://purl.org/linked-data/cube#attribute
    x-jsonld-type: '@id'
  structure:
    x-jsonld-id: http://purl.org/linked-data/cube#structure
    x-jsonld-type: '@id'
  SliceKey: http://purl.org/linked-data/cube#SliceKey
  Result: http://www.w3.org/ns/sosa/Result
  isHostedBy:
    x-jsonld-id: http://www.w3.org/ns/sosa/isHostedBy
    x-jsonld-type: '@id'
  Compressibility: http://purl.oclc.org/NET/ssnx/qu/dim#Compressibility
  inDeployment:
    x-jsonld-id: http://www.w3.org/ns/ssn/inDeployment
    x-jsonld-type: '@id'
  ComponentSet: http://purl.org/linked-data/cube#ComponentSet
  MassPerTimePerArea: http://purl.oclc.org/NET/ssnx/qu/dim#MassPerTimePerArea
  numericDuration:
    x-jsonld-id: http://www.w3.org/2006/time#numericDuration
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#decimal
  ElectricConductivity: http://purl.oclc.org/NET/ssnx/qu/dim#ElectricConductivity
  Temperature: http://purl.oclc.org/NET/ssnx/qu/dim#Temperature
  homepage: http://xmlns.com/foaf/0.1/homepage
  hasProperty:
    x-jsonld-id: http://www.w3.org/ns/ssn/hasProperty
    x-jsonld-type: '@id'
  Measure: http://def.seegrid.csiro.au/isotc211/iso19103/2005/basic#Measure
  Person: http://xmlns.com/foaf/0.1/Person
  Triangle: http://www.opengis.net/ont/sf#Triangle
  note: http://www.w3.org/2004/02/skos/core#note
  observationGroup:
    x-jsonld-id: http://purl.org/linked-data/cube#observationGroup
    x-jsonld-type: '@id'
  Interval: http://www.w3.org/2006/time#Interval
  EnergyFlux: http://purl.oclc.org/NET/ssnx/qu/dim#EnergyFlux
  StressOrPressure: http://purl.oclc.org/NET/ssnx/qu/dim#StressOrPressure
  VolumeDensityRate: http://purl.oclc.org/NET/ssnx/qu/dim#VolumeDensityRate
  Agent: http://xmlns.com/foaf/0.1/Agent
  creator: http://purl.org/dc/terms/creator
  Energy: http://purl.oclc.org/NET/ssnx/qu/dim#Energy
  foaf.name: http://xmlns.com/foaf/0.1/name
  Role: https://schema.org/Role
  hasSerialization:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#hasSerialization
    x-jsonld-type: http://www.w3.org/2000/01/rdf-schema#Literal
  hasTime:
    x-jsonld-id: http://www.w3.org/2006/time#hasTime
    x-jsonld-type: '@id'
  SF_SamplingFeature.sampledFeature:
    x-jsonld-id: http://def.isotc211.org/iso19156/2011/SamplingFeature#SF_SamplingFeature.sampledFeature
    x-jsonld-type: '@id'
  hasMember:
    x-jsonld-id: http://www.w3.org/ns/sosa/hasMember
    x-jsonld-type: '@id'
  rangeIncludes: https://schema.org/rangeIncludes
  hasInput:
    x-jsonld-id: http://www.w3.org/ns/ssn/hasInput
    x-jsonld-type: '@id'
  Mass: http://purl.oclc.org/NET/ssnx/qu/dim#Mass
  implementedBy:
    x-jsonld-id: http://www.w3.org/ns/ssn/implementedBy
    x-jsonld-type: '@id'
  location:
    x-jsonld-id: http://www.w3.org/2003/01/geo/wgs84_pos#location
    x-jsonld-type: '@id'
  ComponentSpecification: http://purl.org/linked-data/cube#ComponentSpecification
  Scheme: http://www.w3.org/2004/02/skos/core#Scheme
  hasEnd:
    x-jsonld-id: http://www.w3.org/2006/time#hasEnd
    x-jsonld-type: '@id'
  GeometryCollection: http://www.opengis.net/ont/sf#GeometryCollection
  rights: http://purl.org/dc/terms/rights
  TemporalEntity: http://www.w3.org/2006/time#TemporalEntity
  hasBeginning:
    x-jsonld-id: http://www.w3.org/2006/time#hasBeginning
    x-jsonld-type: '@id'
  isResultOf:
    x-jsonld-id: http://www.w3.org/ns/sosa/isResultOf
    x-jsonld-type: '@id'
  SF_SamplingFeature: http://def.isotc211.org/iso19156/2011/SamplingFeature#SF_SamplingFeature
  DimensionProperty: http://purl.org/linked-data/cube#DimensionProperty
  alt: http://www.w3.org/2003/01/geo/wgs84_pos#alt
  Acceleration: http://purl.oclc.org/NET/ssnx/qu/dim#Acceleration
  identifier: http://purl.org/dc/terms/identifier
  hasSubSystem:
    x-jsonld-id: http://www.w3.org/ns/ssn/hasSubSystem
    x-jsonld-type: '@id'
  Quantity: http://qudt.org/schema/qudt/Quantity
  MassFlowRate: http://purl.oclc.org/NET/ssnx/qu/dim#MassFlowRate
  qu.QuantityKind: http://purl.oclc.org/NET/ssnx/qu/qu#QuantityKind
  SpatialObjectCollection: http://www.opengis.net/ont/geosparql#SpatialObjectCollection
  Distance: http://purl.oclc.org/NET/ssnx/qu/dim#Distance
  deprecated: http://www.w3.org/2002/07/owl#deprecated
  Radiance: http://purl.oclc.org/NET/ssnx/qu/dim#Radiance
  Duration: http://www.w3.org/2006/time#Duration
  TIN: http://www.opengis.net/ont/sf#TIN
  SurfaceDensity: http://purl.oclc.org/NET/ssnx/qu/dim#SurfaceDensity
  isDefinedBy: http://www.w3.org/2000/01/rdf-schema#isDefinedBy
  wgs84.Point: http://www.w3.org/2003/01/geo/wgs84_pos#Point
  definition: http://www.w3.org/2004/02/skos/core#definition
  editorialNote: http://www.w3.org/2004/02/skos/core#editorialNote
  observes:
    x-jsonld-id: http://www.w3.org/ns/sosa/observes
    x-jsonld-type: '@id'
  hasDeployment:
    x-jsonld-id: http://www.w3.org/ns/ssn/hasDeployment
    x-jsonld-type: '@id'
  order:
    x-jsonld-id: http://purl.org/linked-data/cube#order
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#int
  hasGeometry:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#hasGeometry
    x-jsonld-type: '@id'
  usedProcedure:
    x-jsonld-id: http://www.w3.org/ns/sosa/usedProcedure
    x-jsonld-type: '@id'
  ssn.Property: http://www.w3.org/ns/ssn/Property
  sfContains:
    x-jsonld-id: http://www.opengis.net/ont/geosparql#sfContains
    x-jsonld-type: '@id'
  title: http://purl.org/dc/terms/title
  Density: http://purl.oclc.org/NET/ssnx/qu/dim#Density
  LinearRing: http://www.opengis.net/ont/sf#LinearRing
  Molality: http://purl.oclc.org/NET/ssnx/qu/dim#Molality
  inXSDDateTimeStamp:
    x-jsonld-id: http://www.w3.org/2006/time#inXSDDateTimeStamp
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#dateTimeStamp
  MeasureProperty: http://purl.org/linked-data/cube#MeasureProperty
  PropertyKind: http://purl.oclc.org/NET/ssnx/qu/qu#PropertyKind
  SpatialObject: http://www.opengis.net/ont/geosparql#SpatialObject
  sliceStructure:
    x-jsonld-id: http://purl.org/linked-data/cube#sliceStructure
    x-jsonld-type: '@id'
  hasFeatureOfInterest:
    x-jsonld-id: http://www.w3.org/ns/sosa/hasFeatureOfInterest
    x-jsonld-type: '@id'
  NumberPerLength: http://purl.oclc.org/NET/ssnx/qu/dim#NumberPerLength
  lat: http://www.w3.org/2003/01/geo/wgs84_pos#lat
  VolumeFlowRate: http://purl.oclc.org/NET/ssnx/qu/dim#VolumeFlowRate
  SpecificEntropy: http://purl.oclc.org/NET/ssnx/qu/dim#SpecificEntropy
  CodedProperty: http://purl.org/linked-data/cube#CodedProperty
  slice:
    x-jsonld-id: http://purl.org/linked-data/cube#slice
    x-jsonld-type: '@id'
  madeObservation:
    x-jsonld-id: http://www.w3.org/ns/sosa/madeObservation
    x-jsonld-type: '@id'
  FeatureCollection: https://purl.org/geojson/vocab#FeatureCollection
  unit:
    x-jsonld-id: http://qudt.org/schema/qudt/unit
    x-jsonld-type: '@id'
  date: http://purl.org/dc/terms/date
  isPropertyOf:
    x-jsonld-id: http://www.w3.org/ns/ssn/isPropertyOf
    x-jsonld-type: '@id'
  seeAlso: http://www.w3.org/2000/01/rdf-schema#seeAlso
  ObservationGroup: http://purl.org/linked-data/cube#ObservationGroup
  Sample: http://www.w3.org/ns/sosa/Sample
  DataSet: http://purl.org/linked-data/cube#DataSet
  comment: http://www.w3.org/2000/01/rdf-schema#comment
  PolyhedralSurface: http://www.opengis.net/ont/sf#PolyhedralSurface
  Polygon: http://www.opengis.net/ont/sf#Polygon
  MultiPolygon: http://www.opengis.net/ont/sf#MultiPolygon
  ObservableProperty: http://www.w3.org/ns/sosa/ObservableProperty
  contributor: http://purl.org/dc/terms/contributor
  deployedSystem:
    x-jsonld-id: http://www.w3.org/ns/ssn/deployedSystem
    x-jsonld-type: '@id'
  System: http://www.w3.org/ns/ssn/System
  unitKind:
    x-jsonld-id: http://purl.oclc.org/NET/ssnx/qu/qu#unitKind
    x-jsonld-type: '@id'
  dimension:
    x-jsonld-id: http://purl.org/linked-data/cube#dimension
    x-jsonld-type: '@id'
  RadianceExposure: http://purl.oclc.org/NET/ssnx/qu/dim#RadianceExposure
  VelocityOrSpeed: http://purl.oclc.org/NET/ssnx/qu/dim#VelocityOrSpeed
  deployedOnPlatform:
    x-jsonld-id: http://www.w3.org/ns/ssn/deployedOnPlatform
    x-jsonld-type: '@id'
  inXSDDate:
    x-jsonld-id: http://www.w3.org/2006/time#inXSDDate
    x-jsonld-type: http://www.w3.org/2001/XMLSchema#date
  GFI_DomainFeature: http://def.isotc211.org/iso19156/2011/GeneralFeatureInstance#GFI_DomainFeature
  Actuation: http://www.w3.org/ns/sosa/Actuation
  observation:
    x-jsonld-id: http://purl.org/linked-data/cube#observation
    x-jsonld-type: '@id'
  Dimensionless: http://purl.oclc.org/NET/ssnx/qu/dim#Dimensionless
  Area: http://purl.oclc.org/NET/ssnx/qu/dim#Area
  Sampling: http://www.w3.org/ns/sosa/Sampling
  Power: http://purl.oclc.org/NET/ssnx/qu/dim#Power
  OM_Observation: http://def.isotc211.org/iso19156/2011/Observation#OM_Observation
  prefLabel: http://www.w3.org/2004/02/skos/core#prefLabel
  Surface: http://www.opengis.net/ont/sf#Surface
  sliceKey:
    x-jsonld-id: http://purl.org/linked-data/cube#sliceKey
    x-jsonld-type: '@id'
  inScheme: http://www.w3.org/2004/02/skos/core#inScheme
  dct.description: http://purl.org/dc/terms/description
  MultiCurve: http://www.opengis.net/ont/sf#MultiCurve
  hasQuantityKind:
    x-jsonld-id: http://qudt.org/schema/qudt/hasQuantityKind
    x-jsonld-type: '@id'
  DataStructureDefinition: http://purl.org/linked-data/cube#DataStructureDefinition
  MultiPoint: http://www.opengis.net/ont/sf#MultiPoint
  qb.Observation: http://purl.org/linked-data/cube#Observation
  EnergyDensity: http://purl.oclc.org/NET/ssnx/qu/dim#EnergyDensity
  Sensor: http://www.w3.org/ns/sosa/Sensor
  hasSimpleResult: http://www.w3.org/ns/sosa/hasSimpleResult
  unitType:
    x-jsonld-id: http://www.w3.org/2006/time#unitType
    x-jsonld-type: '@id'
  componentProperty:
    x-jsonld-id: http://purl.org/linked-data/cube#componentProperty
    x-jsonld-type: '@id'
  isFeatureOfInterestOf:
    x-jsonld-id: http://www.w3.org/ns/sosa/isFeatureOfInterestOf
    x-jsonld-type: '@id'
  sf.Geometry: http://www.opengis.net/ont/sf#Geometry
  schema.Person: https://schema.org/Person
  Observation: http://www.w3.org/ns/sosa/Observation
  Point: https://purl.org/geojson/vocab#Point
  schema.name: https://schema.org/name
  QuantityKind: http://qudt.org/schema/qudt/QuantityKind
  VariableObservationResult: https://w3id.org/iliad/oim/ext/variable-observation/VariableObservationResult
  coordinates:
    x-jsonld-id: https://purl.org/geojson/vocab#coordinates
    x-jsonld-container: '@list'
  value: http://qudt.org/schema/qudt/numericValue
  taxon: https://schema.org/taxon
  taxonConcept:
    x-jsonld-id: https://schema.org/taxon
    x-jsonld-type: '@id'
  method: https://schema.org/measurementTechnique
  evidence:
    x-jsonld-id: https://schema.org/citation
    x-jsonld-type: '@id'
x-jsonld-prefixes:
  qudt: http://qudt.org/schema/qudt/
  geojson: https://purl.org/geojson/vocab#
  sosa: http://www.w3.org/ns/sosa/
  schema: https://schema.org/
  indo: https://w3id.org/indicators/marine/obs/
  indp: https://w3id.org/indicators/marine/parameters/