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      <marc:subfield code="a">Chian, Deping, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Atlas of sonobuoy velocity analyses in Canada Basin / </marc:subfield>
      <marc:subfield code="c">D. Chian and N. Lebedeva-Ivanova.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="c">2015.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2015</marc:subfield>
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      <marc:subfield code="a">1 online resource (35 pages) : </marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 36-37).</marc:subfield>
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      <marc:subfield code="a">"Canada Basin of the Arctic Ocean is located in one of the most remote, ice-covered regions on Earth. This Atlas presents the data and velocity models for 144 out of 174 sonobuoys launched throughout and north of the Canada Basin between 2007 and 2011. The data, which are coincident with multichannel seismic reflection profiles, were acquired to map p-wave velocities and thicknesses of the sedimentary column. The refraction and wide-angle reflection data provide the basis for transformation of seismic reflection travel time data to the depth domain"--Abstract, page 5.</marc:subfield>
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      <marc:subfield code="a">Oceanographic buoys</marc:subfield>
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      <marc:subfield code="a">Seismic waves.</marc:subfield>
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      <marc:subfield code="a">Bouées océanographiques</marc:subfield>
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      <marc:subfield code="a">Ondes sismiques.</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-7661-eng.pdf</marc:subfield>
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      <marc:subfield code="u">https://doi.org/10.4095/295857</marc:subfield>
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