2004•Hydro-Science and EngineeringRequires access

Calculation formula of widening rate of estuarine regulation line

Luo Zhao-sen

Abstract

Based on the morphological characteristics of river-bed of tidal estuaries, a calculation formula for the widening rate of the estuarine regulation line is derived. By use of the morphological coefficients of estuarine river-bed and the relevant data of the north channel of the Yangtze River Estuary, the widening rate of the regulation line of the north deep-water channel of the Yangtze River Estuary is calculated, and the calculation result is in agreement with that of the fixed bed model test.

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Key concepts: Estuary, Yangtze river, Channel (broadcasting), Hydrology (agriculture), River regime, Environmental science, Oceanography, Line (geometry)