<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.911803</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20220721085854</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">220517s1986    bcca    ob   f000 0 eng d</marc:controlfield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn---</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En14-492/1986E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">McNeill, Roger, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Water use optimization model : </marc:subfield>
      <marc:subfield code="b">basic concepts in model development / </marc:subfield>
      <marc:subfield code="c">prepared by R. McNeill.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Vancouver, B.C. : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Environmental Conservation Service, </marc:subfield>
      <marc:subfield code="c">[1986]</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (37 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Draft."</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>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"In a recent Departmental Discussion Paper, emphasis was placed on methods of addressing the growing imbalance of water supply and demand in a number of regions in Canada. The paper outlined the need for Inland Waters Directorate to develop programs to facilitate water management and policies aimed at resolving water shortages. A number of national and regional programs are now being developed in order to meet this need. One of these programs in Pacific and Yukon Region is the development of a water use optimization model. This model will provide a framework for analyzing current and future water supply and demand within a river basin. It will identify water use conflicts, optimal use of available supply and economic values associated with increasing or decreasing water supply. As such, the model will provide information useful for water management and planning and for water demand forecasting. The basic problems, concepts and methodology used in developing the model are described in this paper"--Introduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water-supply</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Mathematical models.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water consumption</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Mathematical models.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Watershed management</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Approvisionnement</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Modèles mathématiques.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Consommation</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Modèles mathématiques.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Bassins hydrographiques</marc:subfield>
      <marc:subfield code="x">Gestion</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environmental Conservation Service, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Inland Waters Directorate. </marc:subfield>
      <marc:subfield code="b">Pacific and Yukon Region, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.55 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/eccc/En14-492-1986-eng.pdf</marc:subfield>
    </marc:datafield>
  </marc:record>
</marc:collection>
