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      <marc:subfield code="a">Thompson, Mary E.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Factor analysis applied to water chemistry data </marc:subfield>
      <marc:subfield code="h">[electronic resource] : </marc:subfield>
      <marc:subfield code="b">its usefulness and limitations / </marc:subfield>
      <marc:subfield code="c">by Mary E. Thompson.</marc:subfield>
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    <marc:datafield tag="246" ind1="1" ind2=" ">
      <marc:subfield code="i">Short title: </marc:subfield>
      <marc:subfield code="a">Factor analysis of water chemistry data</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Burlington, Ont. : </marc:subfield>
      <marc:subfield code="b">Environment Canada, National Water Research Institute,</marc:subfield>
      <marc:subfield code="c">1983.</marc:subfield>
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      <marc:subfield code="a">25, [4] p. : </marc:subfield>
      <marc:subfield code="b">ill. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute contribution  ; </marc:subfield>
      <marc:subfield code="v">#83-19</marc:subfield>
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      <marc:subfield code="a">"April 1983".</marc:subfield>
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      <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.</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Results of factor analysis applied to data for rivers, lakes, and precipitation chemistry are presented. The major factors affecting the chemistry of surface waters are sea salt (near the coast), chemical weathering, and acidic precipitation. Similarly, the major factors affecting precipitation chemistry are sea salt (near the coast), acidic precipitation, and continental dust"--Abstract. </marc:subfield>
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      <marc:subfield code="a">Includes abstracts in French.</marc:subfield>
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      <marc:subfield code="2">gccst</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>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 83-19</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">2.28 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/eccc/En13-5-83-19-eng.pdf</marc:subfield>
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