Abstract

Flood routing is an important step in any flood modelling study. When the upstream river station data is available the flow of flood water can be routed to downstream and flood inundation studies can be carried out. Flood hydrograph forms the crucial part of any flood routing study. But in certain cases the upstream flow data may not be available where one can use reverse flood routing technique to determine the upstream flood hydrograph, from the available downstream flow data. Reverse flood routing studies involve errors due to its inversing nature and any such reversing techniques are seldom available. Artificial intelligent techniques like genetic algorithm is a better resort where there is data deficiency to perform normal routing or reverse routing techniques. In the present study reverse routing model solved using genetic algorithm, is applied to one of the most flood affected river in Kerala, India during the flood in 2018.

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