Forecasting the Intrawater Ice Formation and Ice Jams in the Neva River

V. A. Buzin and N. Yu. D’yachenko

Considered is a dangerous ice phenomenon developing in the Neva River during its freezing, the formation of the intrawater ice resulting in the corking of water intakes, and ice jams causing a sharp water runoff decrease downstream of them and floods. Described are the forecasting techniques of the intrawater ice formation intensity, peak ice jam water levels, and thickness of ice jams.

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