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008171109s1986    onca|||fo    f000 0 eng d
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn-on
0452 |b1982|b1983
0861 |aEn13-5/85-12E-PDF
1001 |aWong, J.
24510|aIce freeze-up and breakup observations in the Upper Grand River |h[electronic resource] : |b1982-83 observations / |cby J. Wong and S. Beltaos.
250 |aRev.
260 |a[Burlington, Ont.] : |bEnvironmental Hydraulics Section, Hydraulics Division, National Water Research Institute,|c1986.
300 |aiii, 23, [35] p. : |bill.
4901 |aNWRI contribution ; |v85-12
500 |aCover title.
500 |a"May 1985, Revised September 1986".
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
5203 |a"The third year's ice observations on the Upper Grand River are described and interpreted. The winter was mild, and a "mature" breakup was observed. Breakup initiation data for the Marsville gauge site are consistent with earlier findings on other rivers. However, this is not the case for the other two gauges, Upper Belwood and west Montrose. A possible cause of this discrepancy is the different manner of ice breakup and removal at these locations. Data from the freeze up process at Upper Belwood and west Montrose are analyzed and compared with the theory of equilibrium floating ice jams. The results are consistent with earlier findings on breakup jams but more data are needed before conclusions can be made"--Abstract, p. i.
546 |aIncludes abstracts in French.
69207|2gccst|aHydrology
69207|2gccst|aIce
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|vno. 85-12|w(CaOODSP)9.844121
85640|qPDF|s3.96 MB|uhttps://publications.gc.ca/collections/collection_2017/eccc/En13-5-85-12-eng.pdf