<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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      <marc:subfield code="a">En37-307/1987E-PDF</marc:subfield>
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    <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">Optimal allocation of water in the Okanagan River Basin / </marc:subfield>
      <marc:subfield code="c">prepared by Roger McNeill.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Vancouver, British Columbia : </marc:subfield>
      <marc:subfield code="b">Inland Waters and Lands, Pacific and Yukon Region, </marc:subfield>
      <marc:subfield code="c">March 1987.</marc:subfield>
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      <marc:subfield code="a">1 online resource (viii, 136, 1, 49 pages) : </marc:subfield>
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      <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>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"The objective of this study is to demonstrate the use of linear programming as a planning tool in the allocation of water within a river basin. A linear programming model is developed which maximizes economic benefits from water use in the Okanagan River Basin of British Columbia. Many activities including agriculture, recreation, domestic use and sport fishing compete for the sometimes scarce water supplies in this Basin. The model allocates water among these activities subject to water supply, storage and resource constraints. An average water supply year, broken down into seven time periods is represented by the model. The solution represents a sustainable allocation of water over time in that no long term depletion of stored water is allowed"--Abstract, page i.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water use</marc:subfield>
      <marc:subfield code="z">Okanagan River Watershed (B.C. and Wash.)</marc:subfield>
      <marc:subfield code="x">Planning</marc:subfield>
      <marc:subfield code="x">Linear programming.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Water supply</marc:subfield>
      <marc:subfield code="z">Okanagan River Watershed (B.C. and Wash.)</marc:subfield>
      <marc:subfield code="x">Linear programming.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Eau</marc:subfield>
      <marc:subfield code="x">Utilisation</marc:subfield>
      <marc:subfield code="z">Okanagan, Bassin de l' (C.-B. et Wash.)</marc:subfield>
      <marc:subfield code="x">Planification</marc:subfield>
      <marc:subfield code="x">Programmation linéaire.</marc:subfield>
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    <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">Okanagan, Bassin de l' (C.-B. et Wash.)</marc:subfield>
      <marc:subfield code="x">Programmation linéaire.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Inland Waters and Lands Directorate. </marc:subfield>
      <marc:subfield code="b">Pacific and Yukon Region, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">6.25 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/eccc/en37/En37-307-1987-eng.pdf</marc:subfield>
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