<gml:UnitDefinition xmlns:gml="http://www.opengis.net/gml/3.2" gml:id="g" uuid="a65c97bf-a5f8-44df-86b4-5bc05aada2f2">
  <gml:description>
    Acceleration due to gravity
  </gml:description>
  <gml:descriptionReference/>
  <gml:identifier codeSpace="http://unitsofmeasure.org/ucum-essence.xml">
    g
  </gml:identifier>
  <gml:name>
    standard acceleration of free fall
  </gml:name>
  <gml:quantityType>
    acceleration
  </gml:quantityType>
</gml:UnitDefinition>