In this example, multiple processing levels are found in the timeseries
 <wml2:processing xlink:href="#qclevel-0" />

Source: MultipleProcessingLevels.xml

Local Dictionary:
<wml2:localDictionary>
    <gml:Dictionary gml:id="quality">
      <gml:identifier codeSpace="http://www.cuahsi.org/waterml2/dictionaries/">quality</gml:identifier>
      <gml:dictionaryEntry>
        <gml:Definition gml:id="qclevel-0">
          <gml:identifier codeSpace="http://hiscentral.cuahsi.org/wml/qualityControlLevelCode">0</gml:identifier>
          <gml:name codeSpace="http://hiscentral.cuahsi.org/wml/qualityControlLevelCode">Raw Data</gml:name>
          <gml:remarks></gml:remarks>
        </gml:Definition>
      </gml:dictionaryEntry>
      <gml:dictionaryEntry>
        <gml:Definition gml:id="qclevel-1">
          <gml:identifier codeSpace="http://hiscentral.cuahsi.org/wml/qualityControlLevelCode">1</gml:identifier>
          <gml:name codeSpace="http://hiscentral.cuahsi.org/wml/qualityControlLevelCode">Quality controlled data</gml:name>
          <gml:remarks>Quality controlled data that have passed quality assurance procedures such as routine estimation of timing and sensor calibration or visual inspection and removal of obvious errors. An example is USGS published streamflow records following parsing through USGS quality control procedures.</gml:remarks>
        </gml:Definition>
      </gml:dictionaryEntry>
    </gml:Dictionary>
  </wml2:localDictionary>

Values
        <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:time>2007-11-13T12:30:00-07:00</wml2:time>
              <wml2:value>2.5</wml2:value>
              <wml2:metadata>
                <wml2:TVPMeasurementMetadata>
                  <!--link not functional.
                                                  relatedObservation for sample 9398-->
                  <wml2:relatedObservation>
                    <om:ObservationContext>
                      <om:role xlink:href="http://www.opengis.net/def/relatedObservation/WaterML/2.0/analyticalSample" xlink:title="Analytical Sample Observation" />
                      <om:relatedObservation xlink:href="http://example.com/wqx/9398" xlink:title="LabCode:9398" />
                    </om:ObservationContext>
                  </wml2:relatedObservation>
                  <wml2:processing xlink:href="#qclevel-0" />
                </wml2:TVPMeasurementMetadata>
              </wml2:metadata>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:time>2007-11-21T14:00:00-07:00</wml2:time>
              <wml2:value>7.2</wml2:value>
              <wml2:metadata>
                <wml2:TVPMeasurementMetadata>
                  <!-- relatedObservation for sample 9509-->
                  <wml2:relatedObservation>
                    <om:ObservationContext>
                      <om:role xlink:href="http://www.opengis.net/def/relatedObservation/WaterML/2.0/analyticalSample" 
                        xlink:title="Analytical Sample Observation" />
                      <om:relatedObservation xlink:href="http://example.com/wqx/9509" xlink:title="LabCode:9509" />
                    </om:ObservationContext>
                  </wml2:relatedObservation>
                  <wml2:processing xlink:href="#qclevel-1" />
                </wml2:TVPMeasurementMetadata>
              </wml2:metadata>
            </wml2:MeasurementTVP>
          </wml2:point>
<verbatim>
-- Main.DavidValentine - 26 Jun 2012</verbatim>
Topic revision: r1 - 26 Jun 2012, DavidValentine
 

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