<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.894441</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107173734</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr |n|||||||||</marc:controlfield>
    <marc:controlfield tag="008">201208q1984    bccd    ob   f000 0 eng d</marc:controlfield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
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    <marc:datafield tag="041" ind1=" " ind2=" ">
      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">fre</marc:subfield>
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      <marc:subfield code="a">n-cn-yk</marc:subfield>
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    <marc:datafield tag="086" ind1=" " ind2=" ">
      <marc:subfield code="a">En36-532/2E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Whitfield, Paul H.,</marc:subfield>
      <marc:subfield code="d">1950- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Optimization of water quality monitoring in the Yukon River Basin / </marc:subfield>
      <marc:subfield code="c">Paul. H. Whitfield.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Vancouver, B.C. : </marc:subfield>
      <marc:subfield code="b">Water Quality Branch, Inland Waters Directorate, Environment Canada, Pacific and Yukon Region, </marc:subfield>
      <marc:subfield code="c">[1984]</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (27 pages, 519 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">charts.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Water quality report ; </marc:subfield>
      <marc:subfield code="v">no. 2</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Yukon River Basin Study Water Quality Work Group Report #2."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Page 26 missing.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 23-25).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"A method for determining optimum sampling frequencies for the determination of long term trends is described. This method uses the following approach: using data collected at regular intervals determine the coherence of that series, and the redundancy of that series. An optimized sampling frequency maximizes the coherence of the series while minimizing the amount of redundant data gathered. The theoretical basis for the approach and the application to data collected in the Yukon River Basin Study is described"--Abstract.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Environmental monitoring</marc:subfield>
      <marc:subfield code="z">Yukon River Watershed (Yukon and Alaska)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water quality management</marc:subfield>
      <marc:subfield code="z">Yukon</marc:subfield>
      <marc:subfield code="x">Technique.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water quality monitoring stations</marc:subfield>
      <marc:subfield code="z">Yukon.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Environnement</marc:subfield>
      <marc:subfield code="x">Surveillance </marc:subfield>
      <marc:subfield code="z">Yukon, Bassin du (Yukon et Alaska)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Qualité</marc:subfield>
      <marc:subfield code="x">Gestion</marc:subfield>
      <marc:subfield code="z">Yukon</marc:subfield>
      <marc:subfield code="x">Technique.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Qualité</marc:subfield>
      <marc:subfield code="x">Postes de surveillance</marc:subfield>
      <marc:subfield code="z">Yukon.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="651" ind1=" " ind2="0">
      <marc:subfield code="a">Yukon River Watershed (Yukon and Alaska)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="651" ind1=" " ind2="6">
      <marc:subfield code="a">Yukon, Bassin du (Yukon et Alaska)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Inland Waters Directorate. </marc:subfield>
      <marc:subfield code="b">Pacific and Yukon Region. </marc:subfield>
      <marc:subfield code="b">Water Quality Branch, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Environment Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Conservation, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Yukon River Basin Committee‏. </marc:subfield>
      <marc:subfield code="b">Water Quality Work Group, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Yukon River Basin Study water quality report ;</marc:subfield>
      <marc:subfield code="v">no. 2</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.895368</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">9.91 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/eccc/En36-532-2-eng.pdf</marc:subfield>
    </marc:datafield>
  </marc:record>
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