Preprint Article Version 1 This version is not peer-reviewed

Urban Flood Analysis Model for Plain Tidal River Network Region

Version 1 : Received: 8 January 2017 / Approved: 9 January 2017 / Online: 9 January 2017 (07:17:24 CET)

How to cite: Zhang, N.; Li, N.; Wang, J.; Chen, S.; Qiu, S. Urban Flood Analysis Model for Plain Tidal River Network Region. Preprints 2017, 2017010043 (doi: 10.20944/preprints201701.0043.v1). Zhang, N.; Li, N.; Wang, J.; Chen, S.; Qiu, S. Urban Flood Analysis Model for Plain Tidal River Network Region. Preprints 2017, 2017010043 (doi: 10.20944/preprints201701.0043.v1).

Abstract

Considering characteristics of high river density, special underlying surface in plain river network region, and municipal drainage system function, river network drainage unit model is proposed, which is defined as a region surrounded by main river or embankment. Flood storage variety and control projects regulation of small rivers in each unit is simulated. With drainage catchment as an object, according to its drainage capacity, simplified municipal drainage model was developed. Coupling river network drainage unit model, simplified municipal drainage model and 2D flood routing model, urban flood analysis model for plain tidal river network region was developed, which could be applied to analyzing flood from upstream river, storm surge and local rainfall. Demonstration research was carried out in Puxi flood protected area in Shanghai.

Subject Areas

plain river network; urban flood; flood analysis; Shanghai; Puxi Flood Protected Area

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