@prefix : .
@prefix qb: .
@prefix dct: .
@prefix owl: .
@prefix rdf: .
@prefix xml: .
@prefix xsd: .
@prefix dcat: .
@prefix foaf: .
@prefix qudt: .
@prefix prov: .
@prefix rdfs: .
@prefix skos: .
@prefix stat: .
@prefix schema: .
@prefix af-inspire: .
@prefix act-inspire: .
@prefix foodie: .
@prefix saref4agri: .
@prefix common: .
@prefix fiware: .
@prefix fiware-agrifood: .
@prefix fiware-weather: .
@prefix iso19109: .
@prefix iso19150-2: .
@prefix iso19103: .
@prefix geo: .
@prefix ssn: .
@prefix sosa: .
@prefix saref: .
@prefix cf-feature: .
@prefix quantity: .
@prefix cf: .
@prefix qu: .
@prefix dim: .
@base .
a owl:Ontology ;
owl:versionIRI ;
dct:contributor [ schema:affiliation [ foaf:name "OGC"
] ;
foaf:name "Rob Atkinson"
] ,
[ schema:affiliation [ foaf:name "ICCS"
] ;
foaf:name "Ioanna Roussaki"
] ,
[ schema:affiliation [ foaf:name "ICCS"
] ;
foaf:name "George Routis"
] ;
dct:creator [ schema:affiliation [ foaf:name "PSNC"
] ;
rdfs:seeAlso ;
foaf:name "Raul Palma"
] ;
owl:imports ;
dct:description "The DEMETER AgriProperty is one of the agri profiles of DEMETER AIM. This profile was created by reusing and aligning well-known ontologies and vocabularies"@en ;
dct:rights "This vocabulary is distributed under Creative Commons Attribution 4.0 License - http://creativecommons.org/licenses/by/4.0"@en ;
dct:title "DEMETER AgriProperty"@en ;
rdfs:label "DEMETER AgriProperty" ;
rdfs:comment "The DEMETER Agriculture Information Model (AIM) is the common vocabulary in DEMETER project providing the basis for semantic interoperability across smart farming solutions"@en ;
owl:versionInfo "3.0" ;
foaf:maker [ foaf:homepage ;
foaf:name "DEMETER project"
] .
#################################################################
# Annotation properties
#################################################################
#################################################################
# Datatypes
#################################################################
#################################################################
# Object Properties
#################################################################
### https://saref.etsi.org/core/isControlledByDevice
saref:isControlledByDevice a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship specifying the devices that can control a certain property" ;
rdfs:label "is controlled by device"@en .
### https://saref.etsi.org/core/isMeasuredByDevice
saref:isMeasuredByDevice a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship specifying the devices that can measure a certain property" ;
rdfs:label "is measured by device"@en .
### https://saref.etsi.org/core/relatesToMeasurement
saref:relatesToMeasurement a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship between a property and the measurements it relates to" ;
rdfs:label "relates to measurement"@en .
### https://saref.etsi.org/core/isMeasuredIn
saref:isMeasuredIn a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship identifying the unit of measure used for a certain entity." ;
rdfs:label "is measured in"@en .
### https://saref.etsi.org/core/relatesToProperty
saref:relatesToProperty a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship between a measurement and the property it relates to" ;
rdfs:label "relates to property"@en .
### https://saref.etsi.org/core/makesMeasurement
saref:makesMeasurement a owl:ObjectProperty ;
owl:inverseOf saref:measurementMadeBy ;
rdfs:isDefinedBy ;
rdfs:comment "A relation between a device and the measurements it makes. Such measurement will link together the value of the measurement, its unit of measure and the property to which it relates." ;
rdfs:label "makes measurement"@en .
### https://saref.etsi.org/core/measurementMadeBy
saref:measurementMadeBy a owl:ObjectProperty ;
rdfs:comment "Relation between a measurement and the device that made it."@en ;
rdfs:isDefinedBy ;
rdfs:label "measurement made by"@en .
### https://saref.etsi.org/core/controlsProperty
saref:controlsProperty a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship specifying the Property that can be controlled by a certain Device";
rdfs:label "controls property"@en .
### https://saref.etsi.org/core/measuresProperty
saref:measuresProperty a owl:ObjectProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship specifying the Property that can be measured by a certain Device" ;
rdfs:label "measures property"@en .
### https://saref.etsi.org/core/hasFeatureOfInterest
saref:hasFeatureOfInterest a owl:ObjectProperty ;
owl:inverseOf saref:isFeatureOfInterestOf ;
rdfs:comment "Relation between a measurement and the feature of interest being measured."@en ;
rdfs:isDefinedBy ;
rdfs:label "has feature of interest"@en .
### https://saref.etsi.org/core/isFeatureOfInterestOf
saref:isFeatureOfInterestOf a owl:ObjectProperty ;
rdfs:comment "Relation betwwen a feature of interest and the measurments that are about it."@en ;
rdfs:isDefinedBy ;
rdfs:label "is feature of interest of"@en .
### https://saref.etsi.org/core/hasProperty
saref:hasProperty a owl:ObjectProperty ;
owl:inverseOf saref:isPropertyOf ;
rdfs:comment "Relation between a feature of interest and its properties."@en ;
rdfs:isDefinedBy ;
rdfs:label "has property"@en .
### https://saref.etsi.org/core/isPropertyOf
saref:isPropertyOf a owl:ObjectProperty ;
rdfs:comment "Relation between a property and a feature of interest in which such property appears."@en ;
rdfs:isDefinedBy ;
rdfs:label "is property of"@en .
### http://foodie-cloud.com/model/foodie#quantitativeProperty
foodie:quantitativeProperty a owl:ObjectProperty ;
rdfs:range iso19103:Measure ;
skos:prefLabel "quantitativeProperty"@en ;
rdfs:label "quantitativeProperty" ;
rdfs:comment "Relation between a PropertyType and Measure" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#propertyType
foodie:propertyType a owl:ObjectProperty ;
rdfs:range foodie:PropertyTypeValue ;
skos:prefLabel "propertyType"@en ;
rdfs:label "propertyType" ;
rdfs:comment "Relation between a PropertyType and PropertyTypeValue" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#productionProperty
foodie:productionProperty a owl:ObjectProperty ;
rdfs:range foodie:PropertyType ;
skos:prefLabel "productionProperty"@en ;
rdfs:label "productionProperty" ;
rdfs:comment "Relation between a ProductionType and PropertyType" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#soilProperty
foodie:soilProperty a owl:ObjectProperty ;
rdfs:range foodie:PropertyType ;
skos:prefLabel "soilProperty"@en ;
rdfs:label "soilProperty" ;
rdfs:comment "Relation between a ManagementZone and PropertyType" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/hasAgriParcel
fiware-agrifood:hasAgriParcel a owl:ObjectProperty ;
rdfs:label "hasAgriParcel"@en ;
rdfs:comment "A reference to the AgriParcel" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/refDevice
fiware-weather:refDevice a owl:ObjectProperty ;
rdfs:label "refDevice"@en ;
rdfs:comment "A reference to the device(s) which captured this observation." ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/refPointOfInterest
fiware-weather:refPointOfInterest a owl:ObjectProperty ;
rdfs:label "refPointOfInterest"@en ;
rdfs:comment "Point of interest related to the item" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/hasDevice
fiware-agrifood:hasDevice a owl:ObjectProperty ;
rdfs:label "hasDevice"@en ;
rdfs:comment "Reference to the IoT devices associated with this [entity] i.e. sensors, controls." ;
rdfs:isDefinedBy , .
#################################################################
# Data properties
#################################################################
### https://saref.etsi.org/core/hasValue
saref:hasValue a owl:DatatypeProperty ;
rdfs:isDefinedBy ;
rdfs:comment "A relationship defining the value of a certain property, e.g., energy or power" ;
rdfs:label "has value"@en .
### http://foodie-cloud.com/model/foodie#propertyName
foodie:propertyName a owl:DatatypeProperty ;
rdfs:range xsd:string ;
skos:prefLabel "propertyName"@en ;
rdfs:label "propertyName" ;
rdfs:comment "The name of an agricultural property" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#nonQuantitativeProperty
foodie:nonQuantitativeProperty a owl:DatatypeProperty ;
rdfs:range xsd:string ;
skos:prefLabel "nonQuantitativeProperty"@en ;
rdfs:label "nonQuantitativeProperty" ;
rdfs:comment "The name of a non quantitative property " ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#analysisDate
foodie:analysisDate a owl:DatatypeProperty ;
rdfs:range xsd:dateTime ;
skos:prefLabel "analysisDate"@en ;
rdfs:label "analysisDate" ;
rdfs:comment "The date/time of a recorded analysis" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/soilTemperature
fiware-agrifood:soilTemperature a owl:DatatypeProperty ;
rdfs:label "soilTemperature"@en ;
rdfs:comment "TThe observed soil temperature nominally in degrees centigrade. Units:'degrees centigrade'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/soilMoistureVwc
fiware-agrifood:soilMoistureVwc a owl:DatatypeProperty ;
rdfs:label "soilMoistureVwc"@en ;
rdfs:comment "Measured as Volumetric Water Content, VWC as a percentage. 0 ≤soilMoistureVwc ≤ 1" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/soilMoistureEc
fiware-agrifood:soilMoistureEc a owl:DatatypeProperty ;
rdfs:label "soilMoistureEC"@en ;
rdfs:comment "Measured as Electrical Conductivity, EC nominally in units of Siemens per meter. Units:'siemens / m'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/temperature
fiware-weather:temperature a owl:DatatypeProperty ;
rdfs:label "temperature"@en ;
rdfs:comment "Temperature of the item. Prev: The observed air temperature (in the shade) nominally in degrees centigrade." ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/solarRadiation
fiware-agrifood:solarRadiation a owl:DatatypeProperty ;
rdfs:label "solarRadiation"@en ;
rdfs:comment "Instantaneous solar radiation measured in kW/m2. Units:'kW/m2'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/relativeHumidity
fiware-agrifood:relativeHumidity a owl:DatatypeProperty ;
rdfs:label "relativeHumidity"@en ;
rdfs:comment "Relative Humidity a number between 0 and 1 representing the range of 0% to 100%. 0 ≤ relativeHumidity ≤ 1" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dateObserved
fiware:dateObserved a owl:DatatypeProperty ;
rdfs:range xsd:dateTime ;
rdfs:label "date observed"@en ;
rdfs:comment "Date of the observed entity defined by the user" ;
rdfs:isDefinedBy .
### https://uri.fiware.org/ns/data-models#dateObserved
# fiware:dateObserved a owl:DatatypeProperty ;
# rdfs:range xsd:dateTime ;
# rdfs:label "dateObserved"@en ;
# rdfs:comment "The date and time of this observation in ISO8601 UTCformat. It can be represented by an specific time instant or by an ISO8601 interval." ;
# rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/weatherType
fiware-weather:weatherType a owl:DatatypeProperty ;
rdfs:label "weatherType"@en ;
rdfs:comment "Text description of the weather. Prev: The observed weather type. It is represented by a comma separated list of weather statuses, for instance overcast, lightRain." ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/dewPoint
fiware-weather:dewPoint a owl:DatatypeProperty ;
rdfs:label "dewPoint"@en ;
rdfs:comment "The dew point encoded as a number. Observed temperature to which air must be cooled to become saturated with water vapor" ;
rdfs:isDefinedBy .
### https://uri.fiware.org/ns/data-models#visibility
fiware-weather:visibility a owl:DatatypeProperty ;
rdfs:label "visibility"@en ;
rdfs:comment "Categories of visibility. Prev: Visibility reported (veryPoor, poor, moderate, good, veryGood, excellent)" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/airTemperatureForecast
fiware-weather:airTemperatureForecast a owl:DatatypeProperty ;
rdfs:label "airTemperatureForecast"@en ;
rdfs:comment "Forecasted value of air temperature over a certain duration in future" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/relativeHumidity
fiware-weather:relativeHumidity a owl:DatatypeProperty ;
rdfs:label "relativeHumidity"@en ;
rdfs:comment "Humidity in the Air. Observed instantaneous relative humidity (water vapour in air)" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/precipitation
fiware-weather:precipitation a owl:DatatypeProperty ;
rdfs:label "precipitation"@en ;
rdfs:comment "Amount of water rain registered. Units:'Liters per square meter'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/windDirection
fiware-weather:windDirection a owl:DatatypeProperty ;
rdfs:label "windDirection"@en ;
rdfs:comment "Direction of the wind bet" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/windSpeed
fiware-weather:windSpeed a owl:DatatypeProperty ;
rdfs:label "windSpeed"@en ;
rdfs:comment "Intensity of the wind." ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/atmosphericPressure
fiware-weather:atmosphericPressure a owl:DatatypeProperty ;
rdfs:label "atmosphericPressure"@en ;
rdfs:comment "The atmospheric pressure observed measured in Hecto Pascals. Units:'Hecto pascals'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/pressureTendency
fiware-weather:pressureTendency a owl:DatatypeProperty ;
rdfs:label "pressureTendency"@en ;
rdfs:comment "Is the pressure rising or falling? It can be expressed in quantitative terms or qualitative terms (raising, falling, steady)" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/solarRadiation
fiware-weather:solarRadiation a owl:DatatypeProperty ;
rdfs:label "solarRadiation"@en ;
rdfs:comment "The solar radiation observed measured in Watts per square. Units:'w/m2'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/illuminance
fiware-weather:illuminance a owl:DatatypeProperty ;
rdfs:label "illuminance"@en ;
rdfs:comment "The illumninance observed measured in lux (lx) or lumens per square metre (cd·sr·m−2)" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/streamGauge
fiware-weather:streamGauge a owl:DatatypeProperty ;
rdfs:label "streamGauge"@en ;
rdfs:comment "The water level surface elevation observed by Hydrometric measurement sensors, namely a Stream Gauge expressed in centimeters. Units:'centimeters'" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/snowHeight
fiware-weather:snowHeight a owl:DatatypeProperty ;
rdfs:label "snowHeight"@en ;
rdfs:comment "The snow height observed by generic snow depth measurement sensors, expressed in centimeters. Units:'centimeters'" ;
rdfs:isDefinedBy .
#################################################################
# Classes
#################################################################
### https://saref.etsi.org/core/Property
saref:Property a owl:Class ;
rdfs:subClassOf [ a owl:Restriction ;
owl:onProperty saref:isControlledByDevice ;
owl:allValuesFrom saref:Device
] ,
[ a owl:Restriction ;
owl:onProperty saref:isMeasuredByDevice ;
owl:allValuesFrom saref:Device
] ,
[ a owl:Restriction ;
owl:onProperty saref:isPropertyOf ;
owl:allValuesFrom saref:FeatureOfInterest
] ,
[ a owl:Restriction ;
owl:onProperty saref:relatesToMeasurement ;
owl:allValuesFrom saref:Measurement
] ;
owl:disjointWith saref:UnitOfMeasure ;
rdfs:comment "An aspect of an entity that can be observable by a sensor."@en ,
"Anything that can be sensed, measured or controlled in households, common public buildings or offices. We propose here a list of properties that are relevant for the purpose of SAREF, but this list can be extended." ;
rdfs:isDefinedBy ;
rdfs:label "Property"@en ,
"Property" .
### https://saref.etsi.org/core/Measurement
saref:Measurement a owl:Class ;
rdfs:subClassOf [ a owl:Restriction ;
owl:onProperty saref:hasFeatureOfInterest ;
owl:allValuesFrom saref:FeatureOfInterest
] ,
[ a owl:Restriction ;
owl:onProperty saref:isMeasuredIn ;
owl:allValuesFrom saref:UnitOfMeasure
] ,
[ a owl:Restriction ;
owl:onProperty saref:relatesToProperty ;
owl:allValuesFrom saref:Property
] ,
[ a owl:Restriction ;
owl:onProperty saref:isMeasuredIn ;
owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
owl:onClass saref:UnitOfMeasure
] ,
[ a owl:Restriction ;
owl:onProperty saref:relatesToProperty ;
owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
owl:onClass saref:Property
] ,
[ a owl:Restriction ;
owl:onProperty saref:hasTimestamp ;
owl:allValuesFrom xsd:dateTime
] ,
[ a owl:Restriction ;
owl:onProperty saref:hasValue ;
owl:cardinality "1"^^xsd:nonNegativeInteger
] ,
[ a owl:Restriction ;
owl:onProperty saref:hasValue ;
owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
owl:onDataRange xsd:float
] ;
owl:disjointWith saref:Property ,
saref:UnitOfMeasure ;
rdfs:comment "Represents the measured value made over a property. It is also linked to the unit of measure in which the value is expressed and the timestamp of the measurement."@en ;
rdfs:isDefinedBy ;
rdfs:label "Measurement"@en .
### https://saref.etsi.org/core/UnitOfMeasure
saref:UnitOfMeasure a owl:Class ;
rdfs:comment "The unit of measure is a standard for measurement of a quantity, such as a Property. For example, Power is a property and Watt is a unit of power that represents a definite predetermined power: when we say 10 Watt, we actually mean 10 times the definite predetermined power called \"watt\". Our definition is based on the definition of unit of measure in the Ontology of units of Measure (OM). We propose here a list of some units of measure that are relevant for the purpose of the Smart Appliances ontology, but this list can be extended."@en ,
"The unit of measure is a standard for measurement of a quantity, such as a Property. For example, Power is a property and Watt is a unit of power that represents a definite predetermined power: when we say 10 Watt, we actually mean 10 times the definite predetermined power called \"watt\". Our definition is based on the definition of unit of measure in the Ontology of units of Measure (OM). We propose here a list of some units of measure that are relevant for the purpose of SAREF, but this list can be extended, also using some other ontologies rather than the Ontology of units of Measure (OM)." ;
rdfs:isDefinedBy ,
;
rdfs:label "Unit of measure"@en .
### https://saref.etsi.org/core/FeatureOfInterest
saref:FeatureOfInterest a owl:Class ;
rdfs:subClassOf [ a owl:Restriction ;
owl:onProperty saref:hasProperty ;
owl:allValuesFrom saref:Property
] ,
[ a owl:Restriction ;
owl:onProperty saref:isFeatureOfInterestOf ;
owl:allValuesFrom saref:Measurement
] ;
rdfs:comment "A feature of interest represents any real world entity from which a property is measured" ;
rdfs:label "Feature of interest"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/core/Humidity
saref:Humidity a owl:Class ;
rdfs:subClassOf saref:Property ;
rdfs:comment "A saref:Property related to some measurements that are characterized by a certain value that is measured in a humidity unit" ;
rdfs:label "Humidity"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/core/Temperature
saref:Temperature a owl:Class ;
rdfs:subClassOf saref:Property ;
rdfs:comment "A saref:Property related to some measurements that are characterized by a certain value that is measured in a temperature unit (degree_Celsius, degree_Fahrenheit, or degree_kelvin)" ;
rdfs:label "Temperature"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/Soil
saref4agri:Soil a owl:Class ;
rdfs:subClassOf saref:FeatureOfInterest ;
rdfs:comment "Upper layer of the earth in which plants grow." ;
rdfs:label "Soil" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#PropertyType
foodie:PropertyType a owl:Class ;
rdfs:subClassOf [ a owl:Restriction ;
owl:maxCardinality "1"^^xsd:int ;
owl:onProperty foodie:quantitativeProperty
] ;
rdfs:subClassOf [ a owl:Restriction ;
owl:maxCardinality "1"^^xsd:int ;
owl:onProperty foodie:propertyType
] ;
rdfs:subClassOf [ a owl:Restriction ;
owl:cardinality "1"^^xsd:int ;
owl:onProperty foodie:propertyName
] ;
rdfs:subClassOf [ a owl:Restriction ;
owl:maxCardinality "1"^^xsd:int ;
owl:onProperty foodie:nonQuantitativeProperty
] ;
rdfs:subClassOf [ a owl:Restriction ;
owl:cardinality "1"^^xsd:int ;
owl:onProperty foodie:analysisDate
] ;
skos:prefLabel "PropertyType"@en ;
rdfs:label "PropertyType" ;
rdfs:comment "An entity class for the Measured Properties" ;
rdfs:isDefinedBy .
### http://foodie-cloud.com/model/foodie#PropertyTypeValue
foodie:PropertyTypeValue
a owl:Class ;
rdfs:subClassOf skos:Concept ;
skos:prefLabel "PropertyTypeValue"@en ;
rdfs:label "PropertyTypeValue" ;
rdfs:comment "An entity class for the values of the measured properties" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Agrifood/AgriParcelRecord
fiware-agrifood:AgriParcelRecord a owl:Class ;
rdfs:label "AgriParcelRecord" ;
rdfs:comment "This entity contains a harmonised description of the conditions recorded on a generic parcel of land. This entity is primarily associated with the agricultural vertical and related IoT applications." ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/WeatherObserved
fiware-weather:WeatherObserved a owl:Class ;
rdfs:label "WeatherObserved" ;
rdfs:comment "An observation of weather conditions at a certain place and time" ;
rdfs:isDefinedBy .
### https://smartdatamodels.org/dataModel.Weather/WeatherForecast
fiware-weather:WeatherForecast a owl:Class ;
rdfs:label "WeatherForecast" ;
rdfs:comment "A harmonised description of a Weather Forecast" ;
rdfs:isDefinedBy .
##### Features of Interest subclasses
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#Layer
cf-feature:Layer a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Layer" ;
rdfs:comment "A cf-feature:Layer is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#Medium
cf-feature:Medium a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Medium" ;
rdfs:comment "A cf-feature:Medium is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#Precipitation
cf-feature:Precipitation a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Precipitation" ;
rdfs:comment "A cf-feature:Precipitation is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#Surface
cf-feature:Surface a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Surface" ;
rdfs:comment "A cf-feature:Surface is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#SurfaceLayer
cf-feature:SurfaceLayer a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Surface Layer" ;
rdfs:comment "A cf-feature:SurfaceLayer is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#Wind
cf-feature:Wind a owl:Class ;
rdfs:subClassOf sosa:FeatureOfInterest ;
rdfs:label "Wind" ;
rdfs:comment "A cf-feature:Wind is something that is a ssn:FeatureOfInterest" ;
rdfs:isDefinedBy .
#################################################################
# Alignments
#################################################################
ssn:hasProperty owl:equivalentProperty saref:hasProperty .
ssn:isPropertyOf owl:equivalentProperty saref:isPropertyOf .
#ssn:Property owl:equivalentClass saref:Property .
sosa:ObservableProperty owl:equivalentClass saref:Property . #(sosa:ObservableProperty subclassOf ssn:Property)
saref:hasFeatureOfInterest owl:equivalentProperty sosa:hasFeatureOfInterest .
saref:isFeatureOfInterestOf owl:equivalentProperty sosa:isFeatureOfInterestOf .
saref:FeatureOfInterest owl:equivalentClass sosa:FeatureOfInterest .
saref:measurementMadeBy owl:equivalentProperty sosa:madeBySensor .
saref:makesMeasurement owl:equivalentProperty sosa:madeObservation .
#saref:Property owl:equivalentClass foodie:PropertyType .
saref:Property owl:equivalentClass foodie:PropertyTypeValue .
saref:Property owl:equivalentClass qu:QuantityKind .
saref:Temperature owl:equivalentClass dim:Temperature .
#saref:Measurement owl:equivalentClass iso19103:Measure .
saref:Measurement owl:equivalentClass sosa:Observation .
saref:relatesToProperty owl:equivalentProperty sosa:observedProperty .
saref:hasTimestamp owl:equivalentProperty sosa:resultTime .
saref:hasValue owl:equivalentProperty sosa:hasSimpleResult .
saref:isMeasuredIn owl:equivalentProperty qudt:unit .
saref:UnitOfMeasure owl:equivalentClass qudt:Unit .
foodie:propertyType owl:equivalentProperty saref:relatesToProperty .
#foodie:productionProperty rdfs:subPropertyOf saref:hasProperty .
#foodie:soilProperty rdfs:subPropertyOf saref:hasProperty .
#foodie:quantitativeProperty rdfs:subPropertyOf saref:relatesToMeasurement .
foodie:quantitativeProperty owl:equivalentProperty sosa:hasResult .
foodie:nonQuantitativeProperty rdfs:subPropertyOf saref:hasValue .
#foodie:productionAmount rdfs:subPropertyOf saref:relatesToMeasurement .
foodie:productionAmount rdfs:subPropertyOf sosa:hasResult .
foodie:analysisDate rdfs:subPropertyOf saref:hasTimestamp .
fiware:dateObserved rdfs:subPropertyOf saref:hasTimestamp .
foodie:propertyName rdfs:subPropertyOf fiware:name .
fiware-weather:temperature rdfs:subPropertyOf saref:hasValue .
fiware-agrifood:soilTemperature rdfs:subPropertyOf saref:hasValue .
fiware-agrifood:soilMoistureVwc rdfs:subPropertyOf saref:hasValue .
fiware-agrifood:soilMoistureEc rdfs:subPropertyOf saref:hasValue .
fiware-agrifood:solarRadiation rdfs:subPropertyOf saref:hasValue .
fiware-agrifood:relativeHumidity rdfs:subPropertyOf saref:hasValue .
fiware-weather:atmosphericPressure rdfs:subPropertyOf saref:hasValue .
fiware-weather:WeatherObserved rdfs:subClassOf saref:FeatureOfInterest .
fiware-weather:dewPoint rdfs:subPropertyOf saref:hasValue .
fiware-weather:visibility rdfs:subPropertyOf saref:hasValue .
fiware-weather:airTemperatureForecast rdfs:subPropertyOf saref:hasValue .
fiware-weather:relativeHumidity rdfs:subPropertyOf saref:hasValue .
fiware-weather:precipitation rdfs:subPropertyOf saref:hasValue .
fiware-weather:windDirection rdfs:subPropertyOf saref:hasValue .
fiware-weather:windSpeed rdfs:subPropertyOf saref:hasValue .
fiware-weather:pressureTendency rdfs:subPropertyOf saref:hasValue .
fiware-weather:solarRadiation rdfs:subPropertyOf saref:hasValue .
fiware-weather:illuminance rdfs:subPropertyOf saref:hasValue .
fiware-weather:streamGauge rdfs:subPropertyOf saref:hasValue .
fiware-weather:snowHeight rdfs:subPropertyOf saref:hasValue .
fiware-weather:refDevice owl:equivalentProperty saref:measurementMadeBy .
fiware-weather:WeatherForecast rdfs:subClassOf saref:FeatureOfInterest .
a saref:Property .
a saref:Property .
a saref:Property .
a saref:Property .
a saref:Property .
saref4agri:SoilTemperature owl:sameAs cf:soil_temperature .
#################################################################
# Individuals
#################################################################
### http://dbpedia.org/resource/DBM
a owl:NamedIndividual ,
saref:UnitOfMeasure ;
rdfs:isDefinedBy ;
rdfs:comment "a unit for power measurement" ;
rdfs:label "decibel-milliwatts"@en .
### http://www.ontology-of-units-of-measure.org/resource/om-2/degreeCelsius
a owl:NamedIndividual ,
saref:UnitOfMeasure ;
rdfs:isDefinedBy ;
rdfs:comment "The degree Celsius is a unit of temperature defined as 1 kelvin." ;
rdfs:label "degree Celsius"@en .
### http://www.ontology-of-units-of-measure.org/resource/om-2/millibar
a owl:NamedIndividual ,
saref:UnitOfMeasure ;
rdfs:isDefinedBy ;
rdfs:comment "The millibar is a unit of pressure defined as 1.0e-3 bar." ;
rdfs:label "millibar"@en .
### http://www.ontology-of-units-of-measure.org/resource/om-2/millimetre
a owl:NamedIndividual ,
saref:UnitOfMeasure ;
rdfs:isDefinedBy ;
rdfs:comment "The millimetre is a unit of length defined as 1.0e-3 metre." ;
rdfs:label "millimetre"@en .
### http://www.ontology-of-units-of-measure.org/resource/om-2/millivolt
a owl:NamedIndividual ,
saref:UnitOfMeasure ;
rdfs:isDefinedBy ;
rdfs:comment "The millivolt is a unit of Voltage" ;
rdfs:label "millivolt"@en .
### https://saref.etsi.org/saref4agri/AirTemperature
saref4agri:AirTemperature a owl:NamedIndividual ,
saref:Temperature ;
rdfs:comment "The degree or intensity of heat present in the air." ;
rdfs:label "Air temperature"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/AmbientHumidity
saref4agri:AmbientHumidity a owl:NamedIndividual ,
saref:Humidity ;
rdfs:comment "The amount of water vapour in the air." ;
rdfs:label "Ambient huidity"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/IrrigationWater
saref4agri:IrrigationWater a owl:NamedIndividual ,
saref:Property ;
rdfs:comment "The amount of water falling in the soil by irrigation methods." ;
rdfs:label "Irrigation water"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/PlantGrowthStage
saref4agri:PlantGrowthStage a owl:NamedIndividual ,
saref:Property ;
rdfs:comment "The level or stage of growth of the plant." ;
rdfs:label "Plant growth stage"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/Precipitation
saref4agri:Precipitation a owl:NamedIndividual ,
saref:Property ;
rdfs:comment "The amount of water falling in the soil by natural process (e.g. rain)." ;
rdfs:label "Precipitation"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/SoilMoisture
saref4agri:SoilMoisture a owl:NamedIndividual ,
saref:Property ;
rdfs:comment "The amount of water or humidity contained in the soil." ;
rdfs:label "Soil moisture"@en ;
rdfs:isDefinedBy .
### https://saref.etsi.org/saref4agri/SoilTemperature
saref4agri:SoilTemperature a owl:NamedIndividual ,
saref:Temperature ;
rdfs:comment "The degree or intensity of heat present in the soil." ;
rdfs:label "Soil temperature"@en ;
rdfs:isDefinedBy .
a skos:Concept ;
skos:inScheme ;
rdfs:comment "An organic matter in the components of soil." ;
rdfs:label "organicMatter"@en ;
skos:prefLabel "organicMatter"@en ;
rdfs:isDefinedBy .
a skos:Concept ;
skos:inScheme ;
skos:prefLabel "electricConductivity"@en ;
rdfs:comment "Electric conductivity is a physical property of any material (e.g. Soil)." ;
rdfs:label "electricConductivity"@en ;
rdfs:isDefinedBy .
a skos:Concept ;
skos:inScheme ;
skos:prefLabel "soilType"@en ;
rdfs:comment "Defines the type of soil" ;
rdfs:label "soilType"@en ;
rdfs:isDefinedBy .
a skos:Concept ;
skos:inScheme ;
skos:prefLabel "soilTexture"@en ;
rdfs:comment "Defines the texture of soil" ;
rdfs:label "soilTexture"@en ;
rdfs:isDefinedBy .
a skos:Concept ;
skos:inScheme ;
skos:prefLabel "pH"@en ;
rdfs:comment "Hydrogen potential of soil" ;
rdfs:label "pH"@en ;
rdfs:isDefinedBy .
########## features of interest
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#snowfall
cf-feature:snowfall a owl:NamedIndividual ,
cf-feature:Precipitation ;
ssn:hasProperty cf:convective_snowfall_amount ,
cf:convective_snowfall_flux ,
cf:large_scale_snowfall_amount ,
cf:large_scale_snowfall_flux ,
cf:lwe_convective_snowfall_rate ,
cf:lwe_large_scale_snowfall_rate ,
cf:lwe_snowfall_rate ,
cf:lwe_thickness_of_convective_snowfall_amount ,
cf:lwe_thickness_of_large_scale_snowfall_amount ,
cf:lwe_thickness_of_snowfall_amount ,
cf:snowfall_amount ,
cf:snowfall_flux ,
cf:thickness_of_convective_snowfall_amount ,
cf:thickness_of_large_scale_snowfall_amount ,
cf:thickness_of_snowfall_amount ;
rdfs:label "snowfall" ;
rdfs:comment "Snowfall at a definite scale e.g. cm" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#soil
cf-feature:soil a owl:NamedIndividual ,
cf-feature:Medium ;
ssn:hasProperty cf:downward_heat_flux_in_soil ,
cf:lwe_thickness_of_soil_moisture_content ,
cf:mass_concentration_of_condensed_water_in_soil ,
cf:soil_albedo ,
cf:soil_carbon_content ,
cf:soil_frozen_water_content ,
cf:soil_hydraulic_conductivity_at_saturation ,
cf:soil_moisture_content ,
cf:soil_moisture_content_at_field_capacity ,
cf:soil_porosity ,
cf:soil_suction_at_saturation ,
cf:soil_temperature ,
cf:soil_thermal_capacity ,
cf:soil_thermal_conductivity ,
cf:soil_type ,
cf:volume_fraction_of_clay_in_soil ,
cf:volume_fraction_of_condensed_water_in_soil ,
cf:volume_fraction_of_condensed_water_in_soil_at_critical_point ,
cf:volume_fraction_of_condensed_water_in_soil_at_field_capacity ,
cf:volume_fraction_of_condensed_water_in_soil_at_wilting_point ,
cf:volume_fraction_of_frozen_water_in_soil ,
cf:volume_fraction_of_sand_in_soil ,
cf:volume_fraction_of_silt_in_soil ,
cf:water_evaporation_flux_from_soil ;
rdfs:label "soil" ;
rdfs:comment "The top layer of earth's crust" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#soil_layer
cf-feature:soil_layer a owl:NamedIndividual ,
cf-feature:Layer ;
ssn:hasProperty cf:frozen_water_content_of_soil_layer ,
cf:liquid_water_content_of_soil_layer ,
cf:lwe_thickness_of_frozen_water_content_of_soil_layer ,
cf:lwe_thickness_of_moisture_content_of_soil_layer ,
cf:moisture_content_of_soil_layer ,
cf:moisture_content_of_soil_layer_at_field_capacity ;
rdfs:label "soil layer" ;
rdfs:comment "The top layer of soil" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#soil_pores
cf-feature:soil_pores a owl:NamedIndividual ,
cf-feature:Medium ;
ssn:hasProperty cf:volume_fraction_of_condensed_water_in_soil_pores ;
rdfs:label "soil pores" ;
rdfs:comment "the pores on the layer of soil for water to pass" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#vegetation
cf-feature:vegetation a owl:NamedIndividual ,
cf-feature:Layer ;
ssn:hasProperty cf:vegetation_area_fraction ,
cf:vegetation_carbon_content ;
rdfs:label "vegetation" ;
rdfs:comment "The collective species of plants on a given area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-feature#water
cf-feature:water a owl:NamedIndividual ,
cf-feature:Medium ;
rdfs:label "water" ;
rdfs:comment "water" ;
rdfs:isDefinedBy .
########## observed properties
### http://purl.oclc.org/NET/ssnx/cf/cf-property#air_density
cf:air_density a owl:NamedIndividual ,
dim:Density ;
rdfs:label "air density" ;
rdfs:comment "The amount of air in per cubic volume" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#atmosphere_mass_content_of_carbon_dioxide
cf:atmosphere_mass_content_of_carbon_dioxide a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "atmosphere mass content of carbon dioxide" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. The chemical formula for carbon dioxide is CO2" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#atmosphere_mass_content_of_carbon_monoxide
cf:atmosphere_mass_content_of_carbon_monoxide a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "atmosphere mass content of carbon monoxide" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. The chemical formula of carbon monoxide is CO" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#atmosphere_water_vapor_content
cf:atmosphere_water_vapor_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "atmosphere water vapor content" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. Atmosphere water vapor content is sometimes referred to as \"precipitable water\", although this term does not imply the water could all be precipitated" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#convective_snowfall_amount
cf:convective_snowfall_amount a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "convective snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. Convective snow bands develop in response to a cold air outbreak from the continent or the frozen sea over the open water surface of lakes or seas." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#convective_snowfall_flux
cf:convective_snowfall_flux a owl:NamedIndividual ,
dim:MassPerTimePerArea ;
rdfs:label "convective snowfall flux" ;
rdfs:comment "In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#downward_heat_flux_in_soil
cf:downward_heat_flux_in_soil a owl:NamedIndividual ,
dim:EnergyFlux ;
rdfs:label "downward heat flux in soil" ;
rdfs:comment "\"Downward\" indicates a vector component which is positive when directed downward (negative upward). In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#frozen_water_content_of_soil_layer
cf:frozen_water_content_of_soil_layer a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "frozen water content of soil layer" ;
rdfs:comment "\"frozen_water\" means ice. \"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s)." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#large_scale_snowfall_amount
cf:large_scale_snowfall_amount a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "large scale snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#large_scale_snowfall_flux
cf:large_scale_snowfall_flux a owl:NamedIndividual ,
dim:MassPerTimePerArea ;
rdfs:label "large scale snowfall flux" ;
rdfs:comment "In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#liquid_water_content_of_soil_layer
cf:liquid_water_content_of_soil_layer a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "liquid water content of soil layer" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s)." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_convective_snowfall_rate
cf:lwe_convective_snowfall_rate a owl:NamedIndividual ,
dim:VelocityOrSpeed ;
rdfs:label "lwe convective snowfall rate" ;
rdfs:comment "\"lwe\" means liquid water equivalent" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_large_scale_snowfall_rate
cf:lwe_large_scale_snowfall_rate a owl:NamedIndividual ,
dim:VelocityOrSpeed ;
rdfs:label "lwe large scale snowfall rate" ;
rdfs:comment "\"lwe\" means liquid water equivalent" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_snowfall_rate
cf:lwe_snowfall_rate a owl:NamedIndividual ,
dim:VelocityOrSpeed ;
rdfs:label "lwe snowfall rate" ;
rdfs:comment "\"lwe\" means liquid water equivalent" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_convective_snowfall_amount
cf:lwe_thickness_of_convective_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of convective snowfall amount" ;
rdfs:comment "\"lwe\" means liquid water equivalent. \"Amount\" means mass per unit area. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_frozen_water_content_of_soil_layer
cf:lwe_thickness_of_frozen_water_content_of_soil_layer a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of frozen water content of soil layer" ;
rdfs:comment "\"frozen_water\" means ice. \"lwe\" means liquid water equivalent. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area. \"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s)" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_large_scale_snowfall_amount
cf:lwe_thickness_of_large_scale_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of large scale snowfall amount" ;
rdfs:comment "\"lwe\" means liquid water equivalent. \"Amount\" means mass per unit area. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area." ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_moisture_content_of_soil_layer
cf:lwe_thickness_of_moisture_content_of_soil_layer a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of moisture content of soil layer" ;
rdfs:comment "\"lwe\" means liquid water equivalent. \"moisture\" means water in all phases contained in soil. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area. \"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s)" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_snowfall_amount
cf:lwe_thickness_of_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of snowfall amount" ;
rdfs:comment "\"lwe\" means liquid water equivalent. \"Amount\" means mass per unit area. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#lwe_thickness_of_soil_moisture_content
cf:lwe_thickness_of_soil_moisture_content a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "lwe thickness of soil moisture content" ;
rdfs:comment "\"lwe\" means liquid water equivalent. \"moisture\" means water in all phases contained in soil. The construction lwe_thickness_of_X_amount or _content means the vertical extent of a layer of liquid water having the same mass per unit area. \"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#mass_concentration_of_condensed_water_in_soil
cf:mass_concentration_of_condensed_water_in_soil a owl:NamedIndividual ,
dim:Density ;
rdfs:label "mass concentration of condensed water in soil" ;
rdfs:comment "Mass concentration means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. Condensed water means liquid and ice" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#moisture_content_of_soil_layer
cf:moisture_content_of_soil_layer a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "moisture content of soil layer" ;
rdfs:comment "\"moisture\" means water in all phases contained in soil. \"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s)" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#moisture_content_of_soil_layer_at_field_capacity
cf:moisture_content_of_soil_layer_at_field_capacity a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "moisture content of soil layer at field capacity" ;
rdfs:comment "\"moisture\" means water in all phases contained in soil. \"Content\" indicates a quantity per unit area. \"Layer\" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Quantities defined for a soil layer must have a vertical coordinate variable with boundaries indicating the extent of the layer(s). The field capacity of soil is the maximum content of water it can retain against gravitational drainage" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#normalized_difference_vegetation_index
cf:normalized_difference_vegetation_index a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "normalized difference vegetation index" ;
rdfs:comment "\"Normalized_difference_vegetation_index\", usually abbreviated to NDVI, is an index calculated from reflectances measured in the visible and near infrared channels. It is calculated as NDVI = (NIR - R) / (NIR + R) where NIR is the reflectance in the near-infrared band and R is the reflectance in the red visible band. Reflectance is the ratio of the reflected over the incoming radiation in each spectral band. The calculated value of NDVI depends on the precise definitions of the spectral bands and these definitions may vary between different models and remote sensing instruments" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_moisture_content
cf:soil_moisture_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "soil moisture content" ;
rdfs:comment "\"moisture\" means water in all phases contained in soil. \"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_type
cf:soil_type a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "soil type" ;
rdfs:comment "A variable with the standard name of soil_type contains strings which indicate the character of the soil e.g. clay. These strings have not yet been standardised. Alternatively, the data variable may contain integers which can be translated to strings using flag_values and flag_meanings attributes" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snow_density
cf:snow_density a owl:NamedIndividual ,
dim:Density ;
rdfs:label "snow density" ;
rdfs:comment "the amount of snow in per meter cube" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snow_grain_size
cf:snow_grain_size a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "snow grain size" ;
rdfs:comment "the size of a snow grain " ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snow_soot_content
cf:snow_soot_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "snow soot content" ;
rdfs:comment "\"Content\" indicates a quantity per unit area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snow_temperature
cf:snow_temperature a owl:NamedIndividual ,
dim:Temperature ;
rdfs:label "snow temperature" ;
rdfs:comment "Snow temperature is the bulk temperature of the snow, not the surface (skin) temperature" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snowfall_amount
cf:snowfall_amount a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#snowfall_flux
cf:snowfall_flux a owl:NamedIndividual ,
dim:MassPerTimePerArea ;
rdfs:label "snowfall flux" ;
rdfs:comment "In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_albedo
cf:soil_albedo a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "soil albedo" ;
rdfs:comment "Soil albedo is the albedo of the soil surface assuming no snow" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_carbon_content
cf:soil_carbon_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "soil carbon content" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_frozen_water_content
cf:soil_frozen_water_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "soil frozen water content" ;
rdfs:comment "\"frozen_water\" means ice. \"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_hydraulic_conductivity_at_saturation
cf:soil_hydraulic_conductivity_at_saturation a owl:NamedIndividual ,
dim:VelocityOrSpeed ;
rdfs:label "soil hydraulic conductivity at saturation" ;
rdfs:comment "Hydraulic conductivity is the constant k in Darcy's Law q=-k grad h for fluid flow q (volume transport per unit area i.e. velocity) through a porous medium, where h is the hydraulic head (pressure expressed as an equivalent depth of water)" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_moisture_content
cf:soil_moisture_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "soil moisture content" ;
rdfs:comment "\"moisture\" means water in all phases contained in soil. \"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_moisture_content_at_field_capacity
cf:soil_moisture_content_at_field_capacity a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "soil moisture content at field capacity" ;
rdfs:comment "\"moisture\" means water in all phases contained in soil. \"Content\" indicates a quantity per unit area. The \"soil content\" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including content_of_soil_layer are used. The field capacity of soil is the maximum content of water it can retain against gravitational drainage" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_porosity
cf:soil_porosity a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "soil porosity" ;
rdfs:comment "The soil porosity is the proportion of its total volume not occupied by soil solids" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_respiration_carbon_flux
cf:soil_respiration_carbon_flux a owl:NamedIndividual ,
dim:MassPerTimePerArea ;
rdfs:label "soil respiration carbon flux" ;
rdfs:comment "\"Respiration carbon\" refers to the rate at which biomass is respired expressed as the mass of carbon which it contains. Soil respiration is the sum of respiration in the soil by animals and decomposers of litter (heterotrophs or \"consumers\"), which have not produced the biomass they respire, and respiration by the roots of plants (autotrophs or \"producers\"), which have themselves produced the biomass they respire. In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_suction_at_saturation
cf:soil_suction_at_saturation a owl:NamedIndividual ,
dim:StressOrPressure ;
rdfs:label "soil suction at saturation" ;
rdfs:comment "Soil suction is the tensile stress on water in soil due to molecular forces acting at the water-soil particle boundary. The forces may cause water to be drawn into the spaces within the soil matrix or cause it to be held in the soil without draining. Soil suction occurs in soil above the water table" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_temperature
cf:soil_temperature a owl:NamedIndividual ,
dim:Temperature ;
rdfs:label "soil temperature" ;
rdfs:comment "Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_thermal_capacity
cf:soil_thermal_capacity a owl:NamedIndividual ,
dim:SpecificEntropy ;
rdfs:label "soil thermal capacity" ;
rdfs:comment "Thermal capacity, or heat capacity, is the amount of heat energy required to increase the temperature of 1 kg of material by 1 K. It is a property of the material" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#soil_thermal_conductivity
cf:soil_thermal_conductivity a owl:NamedIndividual ,
dim:ThermalConductivity ;
rdfs:label "soil thermal conductivity" ;
rdfs:comment "Thermal conductivity is the constant k in the formula q = -k grad T where q is the heat transfer per unit time per unit area of a surface normal to the direction of transfer and grad T is the temperature gradient. Thermal conductivity is a property of the material" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#sound_intensity_in_air
cf:sound_intensity_in_air a owl:NamedIndividual ,
dim:EnergyFlux ;
rdfs:label "sound intensity in air" ;
rdfs:comment "Sound intensity is the sound energy per unit time per unit area" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#sound_pressure_in_air
cf:sound_pressure_in_air a owl:NamedIndividual ,
dim:StressOrPressure ;
rdfs:label "sound pressure in air" ;
rdfs:comment "Sound pressure is the difference from the local ambient pressure caused by a sound wave at a particular location and time" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#thickness_of_convective_snowfall_amount
cf:thickness_of_convective_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "thickness of convective snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. The construction thickness_of_[X_]snowfall_amount means the accumulated \"depth\" of snow which fell i.e. the thickness of the layer of snow at its own density. There are corresponding standard names for liquid water equivalent (lwe) thickness" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#thickness_of_large_scale_rainfall_amount
cf:thickness_of_large_scale_rainfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "thickness of large scale rainfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. The construction thickness_of_[X_]rainfall_amount means the accumulated \"depth\" of rainfall i.e. the thickness of a layer of liquid water having the same mass per unit area as the rainfall amount" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#thickness_of_large_scale_snowfall_amount
cf:thickness_of_large_scale_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "thickness of large scale snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. The construction thickness_of_[X_]snowfall_amount means the accumulated \"depth\" of snow which fell i.e. the thickness of the layer of snow at its own density. There are corresponding standard names for liquid water equivalent (lwe) thickness" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#thickness_of_rainfall_amount
cf:thickness_of_rainfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "thickness of rainfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. The construction thickness_of_[X_]rainfall_amount means the accumulated \"depth\" of rainfall i.e. the thickness of a layer of liquid water having the same mass per unit area as the rainfall amount" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#thickness_of_snowfall_amount
cf:thickness_of_snowfall_amount a owl:NamedIndividual ,
dim:Distance ;
rdfs:label "thickness of snowfall amount" ;
rdfs:comment "\"Amount\" means mass per unit area. The construction thickness_of_[X_]snowfall_amount means the accumulated \"depth\" of snow which fell i.e. the thickness of the layer of snow at its own density. There are corresponding standard names for liquid water equivalent (lwe) thickness" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#vegetation_area_fraction
cf:vegetation_area_fraction a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "vegetation area fraction" ;
rdfs:comment "\"X_area_fraction\" means the fraction of horizontal area occupied by X. \"X_area\" means the horizontal area occupied by X within the grid cell. \"Vegetation\" means any plants e.g. trees, shrubs, grass" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#vegetation_carbon_content
cf:vegetation_carbon_content a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "vegetation carbon content" ;
rdfs:comment "\"Content\" indicates a quantity per unit area. \"Vegetation\" means any plants e.g. trees, shrubs, grass" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_clay_in_soil
cf:volume_fraction_of_clay_in_soil a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of clay in soil" ;
rdfs:comment "\"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_condensed_water_in_soil
cf:volume_fraction_of_condensed_water_in_soil a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of condensed water in soil" ;
rdfs:comment "\"Condensed water\" means liquid and ice. \"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_condensed_water_in_soil_at_critical_point
cf:volume_fraction_of_condensed_water_in_soil_at_critical_point a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of condensed water in soil at critical point" ;
rdfs:comment "\"Condensed water\" means liquid and ice. \"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y. When soil moisture equals or exceeds the critical point evapotranspiration takes place at the potential rate and is controlled by the ambient meteorological conditions (temperature, wind, relative humidity). Evapotranspiration is the sum of evaporation and plant transpiration. Potential evapotranspiration is the rate at which evapotranspiration would occur under ambient conditions from a uniformly vegetated area when the water supply is not limiting" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_condensed_water_in_soil_at_field_capacity
cf:volume_fraction_of_condensed_water_in_soil_at_field_capacity a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of condensed water in soil at field capacity" ;
rdfs:comment "\"Condensed water\" means liquid and ice. \"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y. The field capacity of soil is the maximum content of water it can retain against gravitational drainage" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_condensed_water_in_soil_at_wilting_point
cf:volume_fraction_of_condensed_water_in_soil_at_wilting_point a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of condensed water in soil at wilting point" ;
rdfs:comment "\"Condensed water\" means liquid and ice. \"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y. The wilting point of soil is the water content below which plants cannot extract sufficient water to balance their loss through transpiration" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_condensed_water_in_soil_pores
cf:volume_fraction_of_condensed_water_in_soil_pores a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of condensed water in soil pores" ;
rdfs:comment "\"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y. \"Condensed water\" means liquid and ice. \"Volume_fraction_of_condensed_water_in_soil_pores\" is the ratio of the volume of condensed water in soil pores to the volume of the pores themselves" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_frozen_water_in_soil
cf:volume_fraction_of_frozen_water_in_soil a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of frozen water in soil" ;
rdfs:comment "\"frozen_water\" means ice. \"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_sand_in_soil
cf:volume_fraction_of_sand_in_soil a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of sand in soil" ;
rdfs:comment "\"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#volume_fraction_of_silt_in_soil
cf:volume_fraction_of_silt_in_soil a owl:NamedIndividual ,
dim:Dimensionless ;
rdfs:label "volume fraction of silt in soil" ;
rdfs:comment "\"Volume fraction\" is used in the construction volume_fraction_of_X_in_Y, where X is a material constituent of Y" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#water_evaporation_flux_from_soil
cf:water_evaporation_flux_from_soil a owl:NamedIndividual ,
dim:MassPerTimePerArea ;
rdfs:label "water evaporation flux from soil" ;
rdfs:comment "\"Water\" means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called \"sublimation\".) In accordance with common usage in geophysical disciplines, \"flux\" implies per unit area, called \"flux density\" in physics" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#wind_speed
cf:wind_speed a owl:NamedIndividual ,
dim:VelocityOrSpeed ;
rdfs:label "wind speed" ;
rdfs:comment "Speed is the magnitude of velocity. Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.) The wind speed is the magnitude of the wind velocity" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#air_temperature
cf:air_temperature a owl:NamedIndividual ,
dim:Temperature ;
rdfs:label "air temperature" ;
rdfs:comment "Air temperature is the bulk temperature of the air, not the surface (skin) temperature" ;
rdfs:isDefinedBy .
### http://purl.oclc.org/NET/ssnx/cf/cf-property#precipitation_amount
cf:precipitation_amount a owl:NamedIndividual ,
dim:SurfaceDensity ;
rdfs:label "precipitation amount" ;
rdfs:comment "\"Amount\" means mass per unit area" ;
rdfs:isDefinedBy .