<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000cam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.958338</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20251217120758</marc:controlfield>
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    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">251217e19770516oncbd   obt  f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">n-cn-sn</marc:subfield>
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      <marc:subfield code="a">En57-58/849-1977E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Cork, H. F., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Effect of length of averaging period of input data on computed evaporation / </marc:subfield>
      <marc:subfield code="c">by H.F. Cork = Influence sur l'évaluation calculée de la longueur de la période de calcul des moyennes des données / par H.F. Cork.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="3" ind2="1">
      <marc:subfield code="a">Influence sur l'évaluation calculée de la longueur de la période de calcul des moyennes des données</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Downsview, Ontario : </marc:subfield>
      <marc:subfield code="b">Fisheries and Environment Canada, Atmospheric Environment Service, </marc:subfield>
      <marc:subfield code="c">16 May 1977.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (14 pages, 2 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">maps, graphs.</marc:subfield>
    </marc:datafield>
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      <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>
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      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Technical memoranda, </marc:subfield>
      <marc:subfield code="x">0708-2878 ; </marc:subfield>
      <marc:subfield code="v">TEC 849</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">ISSN of series supplied from ISSN Portal. Incorrect ISSN (0068-7804) printed in this publication.</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="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 7).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Errors in evaporation due to extended computation periods are found to be usually overestimates and generally small. Analysis of the errors in the component factors of the evaporation formula indicate that they are generally larger than errors in the computed evaporation, but tend to be compensatory. For other lakes the degree of compensation may be less, resulting in errors in computed evaporation which are larger than for Lake Diefenbaker. Either overestimates or underestimates can occur"--Abstract.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Evaporation (Meteorology)</marc:subfield>
      <marc:subfield code="z">Saskatchewan</marc:subfield>
      <marc:subfield code="z">Diefenbaker, Lake</marc:subfield>
      <marc:subfield code="x">Statistical methods.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Évaporation (Météorologie)</marc:subfield>
      <marc:subfield code="z">Saskatchewan</marc:subfield>
      <marc:subfield code="z">Diefenbaker, Lac</marc:subfield>
      <marc:subfield code="x">Méthodes statistiques.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="655" ind1=" " ind2="7">
      <marc:subfield code="a">Technical reports</marc:subfield>
      <marc:subfield code="2">lcgft</marc:subfield>
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    <marc:datafield tag="655" ind1=" " ind2="7">
      <marc:subfield code="a">Rapports techniques</marc:subfield>
      <marc:subfield code="2">rvmgf</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Atmospheric Environment Service, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Technical memoranda (Canada. Atmospheric Environment Service)</marc:subfield>
      <marc:subfield code="x">0708-2878 ; </marc:subfield>
      <marc:subfield code="v">TEC 849.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.934501</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">630 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-58-849-1977-eng.pdf</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="986" ind1=" " ind2=" ">
      <marc:subfield code="a">U.D.C.: 551.573</marc:subfield>
      <marc:subfield code="a">672672428</marc:subfield>
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