Author(s): J. L. Gotlib; F. F. Razorenov

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Keywords: No Keywords

Abstract: On rivers in areas with severe climatic conditions, great quantities of frazil occur in the autumn and in the winter. This frazil is contracting the river cross-section when accumulating be­neath the ice cover. Ice jams are formed in the spring after the ice break-up on rivers with thick ice cover, causing floods. Large storage reservoirs of hydroelectric stations and ra­tional flow control during rivers freeze-up and ice break-up in­fluence radically the thermal and ice conditions of rivers down­stream of hydroelectric stations and diminish adverse effects of ice which can occur on non-regulated rivers

DOI:

Year: 1970