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      <marc:subfield code="a">Wolfe, Stephen Andrew, </marc:subfield>
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      <marc:subfield code="a">A database of thermokarst and related landform observations in Canada (1961 to 2024) / </marc:subfield>
      <marc:subfield code="c">S.A. Wolfe, C. Duchesne, H.B. O'Neill, R.J.H. Parker, J.M. Young, A.C.A. Rudy, A.E. Steedman, T.C. Lantz, and S.V. Kokelj.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Natural Resources Canada = Ressources naturelles Canada, </marc:subfield>
      <marc:subfield code="c">2025.</marc:subfield>
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      <marc:subfield code="c">©2025</marc:subfield>
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      <marc:subfield code="a">1 online resource (ii, 31 pages) : </marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada open file, </marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Une base de données d'observations de thermokarst et de formes de relief connexes au Canada (de 1961 à 2024).</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 11-31).</marc:subfield>
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      <marc:subfield code="a">"This Open File provides a compilation of thermokarst and related landform observations from remote-sensing and field-based studies across Canada. Observations of 13 thermokarst landforms are compiled mainly from published literature. The database includes 15,999 thermokarst landform observations; 15,512 from remote-sensing studies and 487 from field-based studies. The data is provided in a comma-separated value (.csv) file. Observations are sub-divided into hillslope, wedge, lake, and wetland thermokarst landforms and their distribution across Canada is mapped"--Summary, page i.</marc:subfield>
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      <marc:subfield code="a">Includes summaries in English and French.</marc:subfield>
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      <marc:subfield code="a">Thermokarst</marc:subfield>
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      <marc:subfield code="a">Periglacial processes</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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      <marc:subfield code="t">Une base de données d'observations de thermokarst et de formes de relief connexes au Canada (de 1961 à 2024) / </marc:subfield>
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      <marc:subfield code="a">Open file (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_2026/rncan-nrcan/m183-2/M183-2-9296-eng.pdf</marc:subfield>
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