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Temporal CRS URIs for OGC-NA

Preface

In this page we show (+ discuss?) the initial set of URIs for temporal coordinate reference systems (and subcomponents) that has been submitted to OGC Naming Authority. This is first set of well-known temporal coordinate reference systems, which does not want to be exhaustive but a starting point: future new of URIs and resources will hopefully be established alongside the development of the Temporal DWG.

Here is a list or the URIs (every CRS resource will be an instance of crsnts:ParameterizedCRSType pointing to a template definition of type gml:TemporalCRSType, shown in silver):

-- PieroCampalani - 25 Nov 2013

RDF descriptions

As by OGC-NA guidelines and project description (content is not public), concept definitions URIs require an RDF description to be submitted to the naming authority (either Turtle or XML syntax). Turtle syntax is hereby proposed, for conversion to XML syntax or validation see the online RDF Validator and Converter.

The following namespaces are used in the proposed descriptions: 

@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dct: <http://purl.org/dc/terms/> .
@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 xsd: <http://www.w3.org/2001/XMLSchema> .

Coordinate Reference Systems

UNIX TIME 

<http://www.opengis.net/def/crs/OGC/0/_UnixTime_template>
    rdf:type skos:Concept ;
    rdfs:label "Unix Time"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Concrete temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalCRS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"unix-time-crs\">
    <description>Concrete temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/_UnixTime_template</identifier>
    <name>Unix Time</name>
    <name>POSIX Time</name>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <timeCS>
        <TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"seconds-cs\">
            <description>1D coordinate system containing a time axis measuring seconds [s].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Seconds</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axis>
                <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"second\" uom=\"http://www.opengis.net/def/uom/UCUM/0/s\">
                    <description>Coordinate system axis for the recording of seconds [s].</description>
                    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/seconds</identifier>
                    <remarks>Initial version (0.1)</remarks>
                    <axisAbbrev>second</axisAbbrev>
                    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
                </CoordinateSystemAxis>
            </axis>
        </TimeCS>
    </timeCS>
    <temporalDatum>
        <TemporalDatum xmlns=\"http://www.opengis.net/gml/3.2\" id=\"unix-td\">
            <description>Origin of Unix time (1-Jan-1970, 00h00 UTC).</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/UnixTimeDatum</identifier>
            <remarks>Initial version (0.1)</remarks>
            <scope>not known</scope>
            <origin>1970-01-01T00:00:00Z</origin>
        </TemporalDatum>
    </temporalDatum>
</TemporalCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Concrete temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Unix Time"@en .


<http://www.opengis.net/def/crs/OGC/0/UnixTime>
    rdf:type skos:Concept ;
    rdfs:label "Parametrized Unix Time"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Parametrized temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<ParameterizedCRS xmlns:gml=\"http://www.opengis.net/gml/3.2\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.opengis.net/crs-nts/1.0\" gml:id=\"param-julian-date-crs\">
  <gml:description>Parametrized temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC).</gml:description>
  <gml:identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/UnixTime</gml:identifier>
  <gml:name>Parametrized Unix time</gml:name>
  <gml:remarks>Initial version (0.1)</gml:remarks>
  <parameters>
    <parameter name=\"axis-label\">
      <value>\"unix\"</value>
      <target>//gml:CoordinateSystemAxis/gml:axisAbbrev</target>
    </parameter>
  </parameters>
  <targetCRS xlink:href=\"http://www.opengis.net/def/crs/OGC/0/_UnixTime_template\"/>
</ParameterizedCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Parametrized temporal CRS of seconds elapsed from 1-Jan-1970 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Parametrized Unix Time"@en .

JULIAN DATE 

<http://www.opengis.net/def/crs/OGC/0/_JulianDate_template>
    rdf:type skos:Concept ;
    rdfs:label "Julian Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Concrete temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalCRS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"julian-date-crs\">
    <description>Concrete temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/_JulianDate_template</identifier>
    <name>Julian Date</name>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <timeCS>
        <TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"days-cs\">
            <description>1D coordinate system containing a time axis measuring days [d].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Days</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axis>
                <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"day\" uom=\"http://www.opengis.net/def/uom/UCUM/0/d\">
                    <description>Coordinate system axis for the recording of days [d].</description>
                    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/days</identifier>
                    <remarks>Initial version (0.1)</remarks>
                    <axisAbbrev>day</axisAbbrev>
                    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
                </CoordinateSystemAxis>
            </axis>
        </TimeCS>
    </timeCS>
    <temporalDatum>
        <TemporalDatum xmlns=\"http://www.opengis.net/gml/3.2\" id=\"jd-td\">
            <description>The beginning of the Julian period (24-Nov-4714 BC, 12h00 UTC — proleptic Gregorian calendar). The origin date is expressed in the proleptic Gregorian calendar: it corresponds to 1-Jan-4713 BC in the proleptic Julian calendar. The year 0000 is not a valid year in the Gregorian calendar.</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/JulianDateDatum</identifier>
            <remarks>Initial version (0.1)</remarks>
            <scope>not known</scope>
            <origin>-4714-11-24T12:00:00Z</origin>
        </TemporalDatum>
    </temporalDatum>
</TemporalCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Concrete temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Julian Date"@en .


<http://www.opengis.net/def/crs/OGC/0/JulianDate>
    rdf:type skos:Concept ;
    rdfs:label "Parametrized Julian Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Parametrized temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<ParameterizedCRS xmlns:gml=\"http://www.opengis.net/gml/3.2\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.opengis.net/crs-nts/1.0\" gml:id=\"param-julian-date-crs\">
  <gml:description>Parametrized temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar.</gml:description>
  <gml:identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/JulianDate</gml:identifier>
  <gml:name>Parametrized Julian date</gml:name>
  <gml:remarks>Initial version (0.1)</gml:remarks>
  <parameters>
    <parameter name=\"axis-label\">
      <value>\"jd\"</value>
      <target>//gml:CoordinateSystemAxis/gml:axisAbbrev</target>
    </parameter>
  </parameters>
  <targetCRS xlink:href=\"http://www.opengis.net/def/crs/OGC/0/_JulianDate_template\"/>
</ParameterizedCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Parametrized temporal CRS of days elapsed from 24-Nov-4714 BC (12h00 UTC), proleptic Gregorian calendar."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Parametrized Julian Date"@en .

TRUNCATED JULIAN DATE 

<http://www.opengis.net/def/crs/OGC/0/_TruncatedJulianDate_template>
    rdf:type skos:Concept ;
    rdfs:label "Truncated Julian Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Concrete temporal CRS of days elapsed from 24-May-1968 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalCRS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"tr-julian-date-crs\">
    <description>Concrete temporal CRS of days elapsed from 24-May-1968 (00h00 UTC).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/_TruncatedJulianDate_template</identifier>
    <name>Truncated Julian Date</name>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <timeCS>
        <TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"days-cs\">
            <description>1D coordinate system containing a time axis measuring days [d].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Days</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axis>
                <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"day\" uom=\"http://www.opengis.net/def/uom/UCUM/0/d\">
                    <description>Coordinate system axis for the recording of days [d].</description>
                    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/days</identifier>
                    <remarks>Initial version (0.1)</remarks>
                    <axisAbbrev>day</axisAbbrev>
                    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
                </CoordinateSystemAxis>
            </axis>
        </TimeCS>
    </timeCS>
    <temporalDatum>
        <TemporalDatum xmlns=\"http://www.opengis.net/gml/3.2\" id=\"tjd-td\">
            <description>Epoch time for the Truncated Julian Date (24-May-1968, 00h00 UTC).</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/TruncatedJulianDateDatum</identifier>
            <remarks>Initial version (0.1)</remarks>
            <scope>not known</scope>
            <origin>1968-05-24T00:00:00Z</origin>
        </TemporalDatum>
    </temporalDatum>
</TemporalCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Concrete temporal CRS of days elapsed from 24-May-1968 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Truncated Julian Date"@en .


<http://www.opengis.net/def/crs/OGC/0/TruncatedJulianDate>
    rdf:type skos:Concept ;
    rdfs:label "Parametrized Truncated Julian Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Parametrized temporal CRS of days elapsed from 24-May-1968 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<ParameterizedCRS xmlns:gml=\"http://www.opengis.net/gml/3.2\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.opengis.net/crs-nts/1.0\" gml:id=\"param-trunc-julian-date-crs\">
  <gml:description>Parametrized temporal CRS of days elapsed from 24-May-1968 (00h00 UTC).</gml:description>
  <gml:identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/TruncatedJulianDate</gml:identifier>
  <gml:name>Parametrized truncated Julian date</gml:name>
  <gml:remarks>Initial version (0.1)</gml:remarks>
  <parameters>
    <parameter name=\"axis-label\">
      <value>\"tjd\"</value>
      <target>//gml:CoordinateSystemAxis/gml:axisAbbrev</target>
    </parameter>
  </parameters>
  <targetCRS xlink:href=\"http://www.opengis.net/def/crs/OGC/0/_TruncatedJulianDate_template\"/>
</ParameterizedCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Parametrized temporal CRS of days elapsed from 24-May-1968 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Parametrized Truncated Julian Date"@en .

ANSI DATE 

<http://www.opengis.net/def/crs/OGC/0/_AnsiDate_template>
    rdf:type skos:Concept ;
    rdfs:label "ANSI Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Concrete temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalCRS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"ansi-date-crs\">
    <description>Concrete temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/_AnsiDate_template</identifier>
    <name>Julian Date</name>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <timeCS>
        <TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"days-cs\">
            <description>1D coordinate system containing a time axis measuring days [d].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Days</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axis>
                <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"day\" uom=\"http://www.opengis.net/def/uom/UCUM/0/d\">
                    <description>Coordinate system axis for the recording of days [d].</description>
                    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/days</identifier>
                    <remarks>Initial version (0.1)</remarks>
                    <axisAbbrev>day</axisAbbrev>
                    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
                </CoordinateSystemAxis>
            </axis>
        </TimeCS>
    </timeCS>
    <temporalDatum>
        <TemporalDatum xmlns=\"http://www.opengis.net/gml/3.2\" id=\"ansi-td\">
            <description>Epoch time for the ANSI date (1-Jan-1601, 00h00 UTC) as day 1.</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/AnsiDateDatum</identifier>
            <remarks>Initial version (0.1)</remarks>
            <scope>not known</scope>
            <origin>1600-12-31T00:00:00Z</origin>
        </TemporalDatum>
    </temporalDatum>
</TemporalCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Concrete temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "ANSI Date"@en .


<http://www.opengis.net/def/crs/OGC/0/AnsiDate>
    rdf:type skos:Concept ;
    rdfs:label "Parametrized ANSI Date"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Parametrized temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<ParameterizedCRS xmlns:gml=\"http://www.opengis.net/gml/3.2\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.opengis.net/crs-nts/1.0\" gml:id=\"param-ansi-date-crs\">
  <gml:description>Parametrized temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC) as day 1.</gml:description>
  <gml:identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/AnsiDate</gml:identifier>
  <gml:name>Parametrized ANSI date</gml:name>
  <gml:remarks>Initial version (0.1)</gml:remarks>
  <parameters>
    <parameter name=\"axis-label\">
      <value>\"ansi\"</value>
      <target>//gml:CoordinateSystemAxis/gml:axisAbbrev</target>
    </parameter>
  </parameters>
  <targetCRS xlink:href=\"http://www.opengis.net/def/crs/OGC/0/_AnsiDate_template\"/>
</ParameterizedCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Parametrized temporal CRS of days elapsed from 1-Jan-1601 (00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Parametrized ANSI Date"@en .

CHRONOMETRIC GEOLOGIC TIME 

<http://www.opengis.net/def/crs/OGC/0/_ChronometricGeologicTime_template>
    rdf:type skos:Concept ;
    rdfs:label "Chronometric Geologic Time"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Concrete temporal CRS of millions of years elapsed from the present, positive backwards."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalCRS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"geologic-time-crs\">
    <description>Concrete temporal CRS of millions of years elapsed from the present, positive backwards.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/_ChronometricGeologicTime_template</identifier>
    <name>Chronometric Geologic Time</name>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <timeCS>
        <TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"mya-cs\">
            <description>1D coordinate system containing a time axis measuring millions of (Julian) years [Ma], backwards in time.</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Mya</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axis>
                <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"geologic-ma\" uom=\"http://www.opengis.net/def/uom/UCUM/0/Ma\">
                    <description>Coordinate system axis for the recording of millions of years [Ma], backwards in time.</description>
                    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/mya</identifier>
                    <remarks>Initial version (0.1)</remarks>
                    <axisAbbrev>mya</axisAbbrev>
                    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/past</axisDirection>
                </CoordinateSystemAxis>
            </axis>
        </TimeCS>
    </timeCS>
    <temporalDatum>
        <TemporalDatum xmlns=\"http://www.opengis.net/gml/3.2\" id=\"yz-td\">
            <description>The year zero, as by astronomical year numbering (1 BC in the proleptic Gregorian calendar).</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/YearZeroDatum</identifier>
            <remarks>The year 0000 is not a valid year in the Gregorian calendar.</remarks>
            <remarks>Initial version (0.1)</remarks>
            <scope>not known</scope>
            <origin>-0001-01-01T00:00:00Z</origin>
        </TemporalDatum>
    </temporalDatum>
</TemporalCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Concrete temporal CRS of millions of years elapsed from the present, positive backwards."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Chronometric Geologic Time"@en .


<http://www.opengis.net/def/crs/OGC/0/ChronometricGeologicTime>
    rdf:type skos:Concept ;
    rdfs:label "Parametrized Chronometric Geologic Time"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Parametrized temporal CRS of millions of years elapsed from the present, positive backwards."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<ParameterizedCRS xmlns:gml=\"http://www.opengis.net/gml/3.2\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.opengis.net/crs-nts/1.0\" gml:id=\"param-geologic-time-crs\">
  <gml:description>Parametrized temporal CRS of millions of years elapsed from the present, positive backwards.</gml:description>
  <gml:identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/crs/OGC/0/ChronometricGeologicTime</gml:identifier>
  <gml:name>Parametrized chronometric geologic time</gml:name>
  <gml:remarks>Initial version (0.1)</gml:remarks>
  <parameters>
    <parameter name=\"axis-label\">
      <value>\"mya\"</value>
      <target>//gml:CoordinateSystemAxis/gml:axisAbbrev</target>
    </parameter>
  </parameters>
  <targetCRS xlink:href=\"http://www.opengis.net/def/crs/OGC/0/_ChronometricGeologicTime_template\"/>
</ParameterizedCRS>"""::^^rdf:XMLLiteral ;
    skos:definition "Parametrized temporal CRS of millions of years elapsed from the present, positive backwards."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Parametrized Chronometric Geologic Time"@en .

Coordinate Systems

Seconds 

<http://www.opengis.net/def/cs/OGC/0/Seconds>
    rdf:type skos:Concept ;
    rdfs:label "Seconds Coordinate System"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "1D coordinate system containing a time axis measuring seconds [s]."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"seconds-cs\">
    <description>1D coordinate system containing a time axis measuring seconds [s].</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Seconds</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axis>
        <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"second\" uom=\"http://www.opengis.net/def/uom/UCUM/0/s\">
            <description>Coordinate system axis for the recording of seconds [s].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/seconds</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axisAbbrev>second</axisAbbrev>
            <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
        </CoordinateSystemAxis>
    </axis>
</TimeCS>"""::^^rdf:XMLLiteral ;
    skos:definition "1D coordinate system containing a time axis measuring seconds [s]."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Seconds Coordinate System"@en .

Days 

<http://www.opengis.net/def/cs/OGC/0/Days>
    rdf:type skos:Concept ;
    rdfs:label "Days Coordinate System"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "1D coordinate system containing a time axis measuring days [d]."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"days-cs\">
    <description>1D coordinate system containing a time axis measuring days [d].</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Days</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axis>
        <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"day\" uom=\"http://www.opengis.net/def/uom/UCUM/0/d\">
            <description>Coordinate system axis for the recording of days [d].</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/days</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axisAbbrev>day</axisAbbrev>
            <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
        </CoordinateSystemAxis>
    </axis>
</TimeCS>"""::^^rdf:XMLLiteral ;
    skos:definition "1D coordinate system containing a time axis measuring days [d]."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Days Coordinate System"@en .

Millions of years 

<http://www.opengis.net/def/cs/OGC/0/Mya>
    rdf:type skos:Concept ;
    rdfs:label "Mya Coordinate System"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "1D coordinate system containing a time axis measuring millions of (Julian) years [Ma], backwards in time."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TimeCS xmlns=\"http://www.opengis.net/gml/3.2\" id=\"mya-cs\">
    <description>1D coordinate system containing a time axis measuring millions of (Julian) years [Ma], backwards in time.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/cs/OGC/0/Mya</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axis>
        <CoordinateSystemAxis xmlns=\"http://www.opengis.net/gml/3.2\" id=\"geologic-ma\" uom=\"http://www.opengis.net/def/uom/UCUM/0/Ma\">
            <description>Coordinate system axis for the recording of millions of years [Ma], backwards in time.</description>
            <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/mya</identifier>
            <remarks>Initial version (0.1)</remarks>
            <axisAbbrev>mya</axisAbbrev>
            <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/past</axisDirection>
        </CoordinateSystemAxis>
    </axis>
</TimeCS>"""::^^rdf:XMLLiteral ;
    skos:definition "1D coordinate system containing a time axis measuring millions of (Julian) years [Ma], backwards in time."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Mya Coordinate System"@en .

Coordinate System Axes

Seconds 

<http://www.opengis.net/def/axis/OGC/0/seconds>
    rdf:type skos:Concept ;
    rdfs:label "Seconds Coordinate System Axis"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Coordinate system axis for the recording of seconds [s]."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<CoordinateSystemAxis id=\"second\" uom=\"http://www.opengis.net/def/uom/UCUM/0/s\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Coordinate system axis for the recording of seconds [s].</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/seconds</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axisAbbrev>second</axisAbbrev>
    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
</CoordinateSystemAxis>"""::^^rdf:XMLLiteral ;
    skos:definition "Coordinate system axis for the recording of seconds [s]."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Seconds Coordinate System Axis"@en .

Days 

<http://www.opengis.net/def/axis/OGC/0/days>
    rdf:type skos:Concept ;
    rdfs:label "Days Coordinate System Axis"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Coordinate system axis for the recording of days [d]."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<CoordinateSystemAxis id=\"day\" uom=\"http://www.opengis.net/def/uom/UCUM/0/d\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Coordinate system axis for the recording of days [d].</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/days</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axisAbbrev>day</axisAbbrev>
    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/future</axisDirection>
</CoordinateSystemAxis>"""::^^rdf:XMLLiteral ;
    skos:definition "Coordinate system axis for the recording of days [d]."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Days Coordinate System Axis"@en .

Millions of years 

<http://www.opengis.net/def/axis/OGC/0/mya>
    rdf:type skos:Concept ;
    rdfs:label "Mya Coordinate System Axis"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Coordinate system axis for the recording of millions of years [Ma], backwards in time."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<CoordinateSystemAxis id=\"geologic-ma\" uom=\"http://www.opengis.net/def/uom/UCUM/0/Ma\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Coordinate system axis for the recording of millions of years [Ma], backwards in time.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axis/OGC/0/mya</identifier>
    <remarks>Initial version (0.1)</remarks>
    <axisAbbrev>mya</axisAbbrev>
    <axisDirection codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/axisDirection/OGC/1.0/past</axisDirection>
</CoordinateSystemAxis>"""::^^rdf:XMLLiteral ;
    skos:definition "Coordinate system axis for the recording of millions of years [Ma], backwards in time."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Mya Coordinate System Axis"@en .

Temporal Datums

Unix Time Datum 

<http://www.opengis.net/def/datum/OGC/0/UnixTimeDatum>
    rdf:type skos:Concept ;
    rdfs:label "Unix Time Datum"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Origin of Unix time (1-Jan-1970, 00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalDatum id=\"unix-td\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Origin of Unix time (1-Jan-1970, 00h00 UTC).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/UnixTimeDatum</identifier>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <origin>1970-01-01T00:00:00Z</origin>
</TemporalDatum>"""::^^rdf:XMLLiteral ;
    skos:definition "Origin of Unix time (1-Jan-1970, 00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Unix Time Datum"@en .

Julian Date Datum 

<http://www.opengis.net/def/datum/OGC/0/JulianDateDatum>
    rdf:type skos:Concept ;
    rdfs:label "Julian Date Datum"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "The beginning of the Julian period (24-Nov-4714 BC, 12h00 UTC — proleptic Gregorian calendar)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalDatum id=\"jd-td\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>The beginning of the Julian period (24-Nov-4714 BC, 12h00 UTC — proleptic Gregorian calendar). The origin date is expressed in the proleptic Gregorian calendar: it corresponds to 1-Jan-4713 BC in the proleptic Julian calendar. The year 0000 is not a valid year in the Gregorian calendar.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/JulianDateDatum</identifier>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <origin>-4714-11-24T12:00:00Z</origin>
</TemporalDatum>"""::^^rdf:XMLLiteral ;
    skos:definition "The beginning of the Julian period (24-Nov-4714 BC, 12h00 UTC — proleptic Gregorian calendar)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Julian Date Datum"@en .

Truncated Julian Date Datum 

<http://www.opengis.net/def/datum/OGC/0/TruncatedJulianDateDatum>
    rdf:type skos:Concept ;
    rdfs:label "Truncated Julian Date Datum"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Epoch time for the Truncated Julian Date (24-May-1968, 00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalDatum id=\"tjd-td\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Epoch time for the Truncated Julian Date (24-May-1968, 00h00 UTC).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/TruncatedJulianDateDatum</identifier>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <origin>1968-05-24T00:00:00Z</origin>
</TemporalDatum>"""::^^rdf:XMLLiteral ;
    skos:definition "Epoch time for the Truncated Julian Date (24-May-1968, 00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Truncated Julian Date Datum"@en .

ANSI Date Datum 

<http://www.opengis.net/def/datum/OGC/0/AnsiDateDatum>
    rdf:type skos:Concept ;
    rdfs:label "ANSI Date Datum"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "Epoch time for the ANSI date (1-Jan-1601, 00h00 UTC)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalDatum id=\"ansi-td\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>Epoch time for the ANSI date (1-Jan-1601, 00h00 UTC) as day 1.</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/AnsiDateDatum</identifier>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <origin>1600-12-31T00:00:00Z</origin>
</TemporalDatum>"""::^^rdf:XMLLiteral ;
    skos:definition "Epoch time for the ANSI date (1-Jan-1601, 00h00 UTC)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "ANSI Date Datum"@en .

Chronometric Geologic Time Datum 

<http://www.opengis.net/def/datum/OGC/0/YearZeroDatum>
    rdf:type skos:Concept ;
    rdfs:label "Year Zero Datum"@en ;
    rdfs:seeAlso <http://www.opengis.net/doc/IS/gml/3.2.1#clause-12.3> ;
    dc:description "The year zero, as by astronomical year numbering (1 BC in the proleptic Gregorian calendar)."@en ;
    dc:source "Name type specification - Time and index coordinate reference system definitions [OGC 13-102r2]"^^xsd:string ;
    dct:contributor <mailto:p.campalani@jacobs-university.de> ;
    dct:created "2014-05-27" ;
    dct:dateSubmitted "2014-05-27"^^xsd:date ;
    dct:hasFormat """<TemporalDatum id=\"yz-td\" xmlns=\"http://www.opengis.net/gml/3.2\">
    <description>The year zero, as by astronomical year numbering (1 BC in the proleptic Gregorian calendar).</description>
    <identifier codeSpace=\"http://www.ietf.org/rfc/rfc3986\">http://www.opengis.net/def/datum/OGC/0/YearZeroDatum</identifier>
    <remarks>The year 0000 is not a valid year in the Gregorian calendar.</remarks>
    <remarks>Initial version (0.1)</remarks>
    <scope>not known</scope>
    <origin>-0001-01-01T00:00:00Z</origin>
</TemporalDatum>"""::^^rdf:XMLLiteral ;
    skos:definition "The year zero, as by astronomical year numbering (1 BC in the proleptic Gregorian calendar)."@en ;
    skos:inScheme <http://www.opengis.net/def> ;
    skos:prefLabel "Year Zero Datum"@en .

Definitions are submitted to the OGC-NA submission folder, and are meant to be backed-up by an ad-hoc NTS document, currently pending for evaluation at the OGC TC meeting in Geneva (May 2014). For a first (partial) preview see http://kahlua.eecs.jacobs-university.de:8080/def/crs/OGC/0/.

-- PieroCampalani - 22 Mar 2014
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Topic revision: r5 - 01 Jul 2014, PieroCampalani
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