EPSG:1030

parts per billion per year

Attributes

Data source: OGP

Information source: ISO 1000.

Revision date: 2015-06-24

Target unit: unity per second

Remarks: Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. Billion is internationally ambiguous, in different languages being 1E+9 and 1E+12. One billion taken here to be 1E+9.

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Definition: OGP XML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ConventionalUnit xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-uom-1030">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:alias alias="ppb/a" code="29301" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
      <epsg:alias alias="nm/m/a" code="29302" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:alias alias="ppb/yr" code="29303" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:informationSource>ISO 1000.</epsg:informationSource>
      <epsg:revisionDate>2015-06-24</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.021" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.042" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.067" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.036" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:uom:EPSG::1030</gml:identifier>
  <gml:name>parts per billion per year</gml:name>
  <gml:remarks>Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. Billion is internationally ambiguous, in different languages being 1E+9 and 1E+12. One billion taken here to be 1E+9.</gml:remarks>
  <gml:quantityType>scale</gml:quantityType>
  <gml:conversionToPreferredUnit uom="urn:ogc:def:uom:EPSG::1036">
    <gml:formula>
      <gml:b>1</gml:b>
      <gml:c>31556925445000000</gml:c>
    </gml:formula>
  </gml:conversionToPreferredUnit>
</gml:ConventionalUnit>
<?xml version="1.0" encoding="UTF-8"?>
 <gml:ConventionalUnit xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-uom-1030">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:alias alias="ppb/a" code="29301" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
      <epsg:alias alias="nm/m/a" code="29302" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:alias alias="ppb/yr" code="29303" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:informationSource>ISO 1000.</epsg:informationSource>
      <epsg:revisionDate>2015-06-24</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.021" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.042" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.067" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.036" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:uom:EPSG::1030</gml:identifier>
  <gml:name>parts per billion per year</gml:name>
  <gml:remarks>Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. Billion is internationally ambiguous, in different languages being 1E+9 and 1E+12. One billion taken here to be 1E+9.</gml:remarks>
  <gml:quantityType>scale</gml:quantityType>
  <gml:conversionToPreferredUnit uom="urn:ogc:def:uom:EPSG::1036">
    <gml:formula>
      <gml:b>1</gml:b>
      <gml:c>31556925445000000</gml:c>
    </gml:formula>
  </gml:conversionToPreferredUnit>
</gml:ConventionalUnit>