Water Science and Engineering 2008, 1(3) 24-35  DOI:   10.3882/j.issn.1674-2370.2008.03.003  ISSN: 1674-2370 CN: 32-1785/TV

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Keywords
ainfall-runoff simulation
Xin anjiang model
Muskingum method
channel routing
real-time forecasting
flood diversion and retarding area
Authors
Zhi-jia LI
Li-li WANG
Hong-jun BAO
Yu SONG
Zhong-bo YU
PubMed
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Rainfall-runoff simulation and flood forecasting for Huaihe Basin

Zhi-jia LI*1, Li-li WANG1, Hong-jun BAO1, Yu SONG2, Zhong-bo YU1, 3

1. College of Hydrology and Water Resources, Hohai University, Nanjing 210098, P. R. China
2. Flood Control and Drought Relief Office of Jiangsu Province, Nanjing 210024, P. R. China
3. Department of Geoscience, University of Nevada Las Vegas, Las Vegas, NV 89154, U.S.A.

Abstract

The main purpose of this study was to forecast the inflow to Hongze Lake using the Xin anjiang rainfall-runoff model. The upper area of Hongze Lake in the Huaihe Basin was divided into 23 sub-basins, including the surface of Hongze Lake. The influence of reservoirs and gates on flood forecasting was considered in a practical and simple way. With a one-day time step, the linear and non-linear Muskingum method was used for channel flood routing, and the least-square regression model was used for real-time correction in flood forecasting. Representative historical data were collected for the model calibration. The hydrological model parameters for each sub-basin were calibrated individually, so the parameters of the Xin anjiang model were different for different sub-basins. This flood forecasting system was used in the real-time simulation of the large flood in 2005 and the results are satisfactory when compared with measured data from the flood.

Keywords ainfall-runoff simulation   Xin anjiang model   Muskingum method   channel routing   real-time forecasting   flood diversion and retarding area  
Received 2008-01-02 Revised 2008-07-02 Online:  
DOI: 10.3882/j.issn.1674-2370.2008.03.003
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