<?xml version="1.0" encoding="UTF-8"?>
<wml2:Collection xmlns:wml2="http://www.opengis.net/waterml/2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:om="http://www.opengis.net/om/2.0" xmlns:sa="http://www.opengis.net/sampling/2.0"
  xmlns:swe="http://www.opengis.net/swe/2.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sf="http://www.opengis.net/sampling/2.0"
  xmlns:sams="http://www.opengis.net/samplingSpatial/2.0" xsi:schemaLocation="http://www.opengis.net/waterml/2.0 
  http://schemas.opengis.net/waterml/2.0/waterml2.xsd"
  gml:id="observation_example_use_case">

  <gml:description>This is an example WaterML2.0 encoding of the minimum daily discharge for each month for a site (Nile River at Deddington in
    Tasmania, Australia). This is actual data. Auth: Pete Taylor, 25th October 2011, CSIRO. </gml:description>
  <wml2:metadata>
    <wml2:DocumentMetadata gml:id="doc_md">
      <wml2:generationDate>2011-10-25T15:39:00+10:00</wml2:generationDate>
      <wml2:version xlink:href="http://www.opengis.net/waterml/2.0"/>
      <wml2:generationSystem>Handcrafted</wml2:generationSystem>
    </wml2:DocumentMetadata>
  </wml2:metadata>
  <wml2:localDictionary>
    <gml:Dictionary gml:id="qualifier_dict">
      <gml:identifier codeSpace=""></gml:identifier>
      <gml:dictionaryEntry>
        <gml:Definition gml:id="qualifier_v_offset">
          <gml:identifier codeSpace="http://hiscentral.cuahsi.org/wml/">offsetValue</gml:identifier>
          <gml:name>Vertical offset</gml:name>
          <gml:remarks>Describes the vertical offset from the sampling point</gml:remarks>
        </gml:Definition>
      </gml:dictionaryEntry>
    </gml:Dictionary>
  </wml2:localDictionary>
  
  <wml2:samplingFeatureMember>
    <wml2:MonitoringPoint gml:id="monitoring_point_llewellyn_continuous">
      <gml:description>Nile river at Deddington, South Esk catchment, Tasmania</gml:description>
      <gml:name codeSpace="http://www.csiro.au/">Deddington</gml:name>
      <sf:sampledFeature xlink:href="http://csiro.au/features/rivers/south_esk/deddington"/>
      <sams:shape>
        <gml:Point gml:id="location_deddington">
          <gml:pos srsName="urn:ogc:def:crs:EPSG::4326">-41.814935 147.568517 </gml:pos>
        </gml:Point>
      </sams:shape>
      <wml2:verticalDatum xlink:href="urn:ogc:def:crs:EPSG::5711" xlink:title="Australian height datum"/>
      <wml2:timeZone>
        <wml2:TimeZone>
          <wml2:zoneOffset>+11:00</wml2:zoneOffset>
          <wml2:zoneAbbreviation>AEDT</wml2:zoneAbbreviation>
        </wml2:TimeZone>
      </wml2:timeZone>
    </wml2:MonitoringPoint>
  </wml2:samplingFeatureMember>

  <wml2:observationMember>
    <om:OM_Observation gml:id="series_1">
      <om:phenomenonTime>
        <gml:TimePeriod gml:id="period_of_rec">
          <!-- Note that the period of record is the start of October, but the actual first point
            is the end of October as the data describes the min value for a previous period -->
          <gml:beginPosition>2010-10-01T00:00:00</gml:beginPosition>
          <gml:endPosition>2011-10-31T00:00:00</gml:endPosition>
        </gml:TimePeriod>
      </om:phenomenonTime>
      <om:resultTime/>
      <om:procedure>
        <wml2:ObservationProcess gml:id="long_term_average">
          <wml2:processType xlink:href="http://www.opengis.net/def/waterml/2.0/processType/Algorithm"/>
          <wml2:aggregationDuration>P1D</wml2:aggregationDuration>
          <wml2:processReference xlink:href="http://kisters.de/tsm_agent/min_daily_mean_monthly"/>
        </wml2:ObservationProcess>
      </om:procedure>
      <om:observedProperty xlink:href="http://sweet.jpl.nasa.gov/2.2/phenHydro.owl#StreamDischarge"/>
      <om:featureOfInterest xlink:href="#monitoring_point_llewellyn_continuous"/>
      <om:result>
        <wml2:MeasurementTimeseries gml:id="timeseries_1">
          <wml2:metadata>
            <wml2:MeasurementTimeseriesMetadata>
              <wml2:temporalExtent xlink:href="#period_of_rec"/>
              <wml2:baseTime>2010-11-01T00:00:00</wml2:baseTime>
              <wml2:spacing>P1M</wml2:spacing>
              <!-- Anchor point to indicate where the previous minimum is calculated to -->
              <wml2:startAnchorPoint>2010-10-01T00:00:00</wml2:startAnchorPoint>
            </wml2:MeasurementTimeseriesMetadata>
          </wml2:metadata>
          <wml2:defaultPointMetadata>
            <wml2:DefaultTVPMeasurementMetadata>
              <wml2:uom code="cumecs"/>
              <wml2:interpolationType xlink:href="http://www.opengis.net/def/waterml/2.0/interpolationType/MaxPrec"
              xlink:title="Minimum in preceeding interval"/>
              <wml2:aggregationDuration>P1D</wml2:aggregationDuration>
            </wml2:DefaultTVPMeasurementMetadata>
          </wml2:defaultPointMetadata>
          <!-- November but data describes October -->
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.72</wml2:value>
              <wml2:metadata>
                <wml2:TVPMeasurementMetadata>
                  <wml2:qualifier>
                    <swe:Quantity definition="#qualifier_v_offset">
                      <swe:uom code="m"/>
                      <swe:value>3.0</swe:value>
                    </swe:Quantity>
                  </wml2:qualifier>
                </wml2:TVPMeasurementMetadata>
              </wml2:metadata>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.588</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.506</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.298</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.209</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value xsi:nil="true"/>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.529</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.524</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.791</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>1.102</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>2.901</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.827</wml2:value>
            </wml2:MeasurementTVP>
          </wml2:point>
          <wml2:point>
            <wml2:MeasurementTVP>
              <wml2:value>0.625</wml2:value>
              <wml2:metadata>
                <wml2:TVPMeasurementMetadata>
                  <wml2:comment>Only partial for this month - 5 days remain</wml2:comment>
                  <wml2:qualifier xlink:href="http://youragency.example.com/yourvocabularies/qualifier/partial_statistic" xlink:title="partial statistic"/>     </wml2:TVPMeasurementMetadata>
              </wml2:metadata>
            </wml2:MeasurementTVP>
          </wml2:point>
        </wml2:MeasurementTimeseries>
      </om:result>
    </om:OM_Observation>
  </wml2:observationMember>

</wml2:Collection>