Flood and Storm Surge Computations for the Oujiang River Estuary and East China Sea Area
OuJiang River estuary and WenZhou bay are located in the southeast coast of Zhejiang province, China. At OuJiang river estuary, the storm surges are usually accompanied with flood. In this paper, the one-dimensional and two-dimensional coupling flood and storm surge model of the OuJiang river estuary and East China Sea area is used to examine the flood and storm surge dynamics in the region. The one-dimensional model is used for simulating the flood of the upstream of OuJiang River, the unstructured two-dimensional finite volume model is used for simulating the storm surge. The one-dimensional model and two-dimensional model are coupling at the estuary. The storm surges caused by 199417, 199608 and 200505 typhoons are simulated and the surge elevations at the nearshore, estuary and river are compared with the field observation results, which show that the coupling model can be good simulated the flood and storm surge process.
KeywordsStorm surge Flood WenZhou Bay Coupling Model East China Sea
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This research was funded by the National Key Research and Development Program of China (No. 2017YFC1404200), National Natural Science Foundation of China (No. 51779150).
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