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    <marc:controlfield tag="008">190523e198911##oncbd   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">En13-5/89-45E-PDF</marc:subfield>
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      <marc:subfield code="a">Lee, Daesoo, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Comparison of bottom and surface cooling withdrawals in a harbour / </marc:subfield>
      <marc:subfield code="c">Daesoo Lee [and three others].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, </marc:subfield>
      <marc:subfield code="c">November 1989.</marc:subfield>
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      <marc:subfield code="a">1 online resource (11 pages) : </marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">no. 89-45</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>
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      <marc:subfield code="a">Includes bibliographical references (page 7).</marc:subfield>
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      <marc:subfield code="a">"Hamilton Harbour has been identified as an area of persistent excedance of water quality standards for several parameters. At present, there is much interest by industries onthe shorelines of the harbour in drawing in their cooling water supplies from the colder hypolimnetic region. Specifically, the study considers the sensitivity of the thermal structure to bottom withdrawal of cooling water in comparison to the current practice of surface withdrawal"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes management perspective and abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 89-45.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">909 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-89-45-eng.pdf</marc:subfield>
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