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Measurements of Ice Roughness and the Effect of Ice Cover on Water Levels in Three Norwegian Rivers

Author(s): Einar Tesaker

Linked Author(s): Einar Tesaker

Keywords: No Keywords

Abstract: Some results from a field study of ice damming and ice roughness in three Norwe­gian rivers are discussed. Average ice roughness values of n~O. 013-0.020 (Manning's n) have been found, which is much less than the bed roughness, but still significant for the flow. The difficulties involved in the use of average slope as an aid to estimate winter discharges are discussed.

DOI:

Year: 1970

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