gml:temporalDatum is an association role to the temporal datum used by this CRS.
<gml:temporalDatum xlink:href="" nilReason="" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:TemporalDatum gml:id="">{1,1}</gml:TemporalDatum> </gml:temporalDatum>
<element name="temporalDatum" type="gml:TemporalDatumPropertyType"> <annotation> <documentation>gml:temporalDatum is an association role to the temporal datum used by this CRS.</documentation> </annotation> </element>