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      <marc:subfield code="a">Drennan, William M., </marc:subfield>
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      <marc:subfield code="a">Evolving velocity fields under coalescing wave groups / </marc:subfield>
      <marc:subfield code="c">W.M. Drennan and M.A. Donelan.</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 (page 6).</marc:subfield>
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      <marc:subfield code="a">"Much of ocean wave theory is built upon the assumption that the ocean surface is made up of a field of random waves, each propagating independently according to the laws of linear theory. Increasingly, however, as more accurate prediction models are required, attention has been focussed on the understanding of phenomena - such as wave group propagation - which are inherently nonlinear. For instance, it is now known that nonlinear interactions among components in a wave group can have important consequences on the growth and evolution of individual waves"--Abstract.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="a">Donelan, M. A. </marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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