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      <marc:subfield code="a">Manning, Philip G., </marc:subfield>
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      <marc:subfield code="a">Field evaluation of PEST : </marc:subfield>
      <marc:subfield code="b">a profiler for estuarine sediment transport / </marc:subfield>
      <marc:subfield code="c">P.G. Manning and J. Valdmanis.</marc:subfield>
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      <marc:subfield code="a">Burlington, Ontario : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute = Institut national de recherche sur les eaux, </marc:subfield>
      <marc:subfield code="c">[1991]</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">no. 91-22</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:subfield code="a">Includes bibliographical references (pages 14-15).</marc:subfield>
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      <marc:subfield code="a">"This paper is a summary of a detailed report on an assessment of the field performance of PEST, a profiler for estuarine sediment transport and was prepared for the Canadian Hydrological Society's symposium on fluvial sediments in Burlington, October 30th to November 1st, 1990. Previous attempts at measurement of suspended sediment flux have not been well resolved in time or very accurate as sediment and currents have been observed on different time scales and different water parcels. This instrument is the first to combine various estuarine parameters into one device … "--Management perspective.</marc:subfield>
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      <marc:subfield code="a">Includes management perspective and abstract in French.</marc:subfield>
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      <marc:subfield code="a">Valdmanis, J., </marc:subfield>
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      <marc:subfield code="a">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">National Water Research Institute (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. 91-22.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-91-22-eng.pdf</marc:subfield>
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