<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.934504</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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    <marc:controlfield tag="008">240226s1971    oncda   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">En57-58/763-1971E-PDF</marc:subfield>
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      <marc:subfield code="a">Morgan, M. R., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="4">
      <marc:subfield code="a">The analysis and forecasting of sea and swell conditions in deep water / </marc:subfield>
      <marc:subfield code="c">by M.R. Morgan = Analyse et prévision des conditions de la mer et de la houle en eau profonde / par M.R. Morgan.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="3">
      <marc:subfield code="a">Analyse et prévision des conditions de la mer et de la houle en eau profonde</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Downsview, Ontario : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Atmospheric Environment Service, </marc:subfield>
      <marc:subfield code="c">1971.</marc:subfield>
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      <marc:subfield code="a">1 online resource (32 pages) : </marc:subfield>
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      <marc:subfield code="b">txt</marc:subfield>
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      <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>
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      <marc:subfield code="a">Technical memoranda ; </marc:subfield>
      <marc:subfield code="v">TEC 763</marc:subfield>
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      <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">"16 August, 1971."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Cover title.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 18).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"A description of the principles and practices used in the preparation of wave data analyses and forecasts at the MFWC Halifax is presented. The method makes maximum use of the available reported wave data, and allows one to fill in the areas of inadequate data by using the persistence of waves from an historical sequence of charts, modified according to the classical patterns of development or decay using duration and fetch considerations and the wind field. While computer produced wave forecasts provide useful values, and may be expected to achieve the best results in due course, a combination of the objective and subjective procedures is currently proving more reliable"--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">Ocean waves</marc:subfield>
      <marc:subfield code="x">Forecasting.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Waves</marc:subfield>
      <marc:subfield code="x">Forecasting.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Vagues</marc:subfield>
      <marc:subfield code="x">Prévision.</marc:subfield>
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      <marc:subfield code="a">Ondes</marc:subfield>
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      <marc:subfield code="a">Rapports techniques</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>
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      <marc:subfield code="w">(CaOODSP)9.934501</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.15 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2024/eccc/en57/En57-58-763-1971-eng.pdf</marc:subfield>
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