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      <marc:subfield code="a">r------</marc:subfield>
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      <marc:subfield code="a">En3-6/30E-PDF</marc:subfield>
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      <marc:subfield code="a">Ramseier, René O., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Distribution of the ice thickness in the Beaufort Sea / </marc:subfield>
      <marc:subfield code="c">Rene O. Ramseier [and five others].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="3" ind2="4">
      <marc:subfield code="a">Distribution of sea ice thickness in the Beaufort Sea</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Victoria, B.C. : </marc:subfield>
      <marc:subfield code="b">Beaufort Sea Project, Dept. of the Environment, </marc:subfield>
      <marc:subfield code="c">December 1975.</marc:subfield>
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    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (98 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea technical report ; </marc:subfield>
      <marc:subfield code="v">#30</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:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 24-28).</marc:subfield>
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      <marc:subfield code="a">"Although it was not possible to measure sea ice thickness directly, monthly maps indicating the distribution of first-year and multi year ice for the entire Beaufort Sea region were prepared from Nimbus 5 passive microwave imagery. Detailed investigation of the shear zone was performed using 13.4 GHz scatterometer and X-band SLR imagery for April 1975. A description of the various sensors employed and an outline of the development of a UHF radar for direct measurement of sea ice thickness are included"--Summary.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea Project (Canada)</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea technical report ;</marc:subfield>
      <marc:subfield code="v">#30.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.867527</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">19.64 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En3-6-30-eng.pdf</marc:subfield>
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