@prefix iop: <https://w3id.org/iadopt/ont/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ex: <http://example.org/iadopt/HFR> .
@prefix iopp: <https://w3id.org/iadopt/pattern/> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix uom: <http://www.ontology-of-units-of-measure.org/resource/om-2/> .
@prefix patt: <http://example.org/iadopt/pattern> .

ex:EWCT
    a 
        iop:Variable ;
    rdfs:label 
        "EWCT Eastward velocity of water current in the water body by high frequency radar" ;
    rdfs:comment 
        """Component of the sea surface current velocity that is directed eastward (positive values) or westward (negative values)""" ;
    ex:issue "https://github.com/mabablue/I-ADOPT-examples-playground/issues/37" ;
    iop:hasObjectOfInterest 
        <https://www.wikidata.org/entity/Q184395> ;
    iop:hasProperty 
        <https://qudt.org/vocab/quantitykind/LinearVelocity> ;
    iop:hasConstraint 
        [ a iop:Constraint ;
             rdfs:label "direction: eastward" ;
             iop:constrains <https://qudt.org/vocab/quantitykind/LinearVelocity> ;
        ] ,
        [ a iop:Constraint ;
             rdfs:label "part: surface level" ;
             iop:constrains <https://www.wikidata.org/entity/Q184395> ;
        ] .

<https://www.wikidata.org/entity/Q184395>
    a 
        iop:Entity ;
    rdfs:label 
        "sea water" .

<https://qudt.org/vocab/quantitykind/LinearVelocity>
    a 
        iop:Property ;
    rdfs:label 
        "linear velocity" .