Integrated Hydrologic and Reservoir Routing Model for Real-Time Water Level Forecasts
Publication: Journal of Hydrologic Engineering
Volume 20, Issue 9
Abstract
Reliable forecasts of reservoir water levels are important for reservoir operations and water resources management. A reservoir water level forecasting model was developed by integrating the Xinanjiang model and a reservoir routing model. The integrated model, of which the hydrologic parameters are calibrated based on the observed water level directly, is used to forecast the reservoir water levels, while that of the conventional method calibrates the hydrologic model using the estimated reservoir inflows from water balance. Through an application to the China’s Shuibuya Reservoir, the integrated model shows a much higher accuracy than the conventional method, with an average RMS error of 0.10 m, whereas that of the conventional method is 5.13 m. The presented model provides a reliable tool for real-time forecasts of reservoir water levels.
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Acknowledgments
The research reported in this paper was supported by the Excellent Young Scientist Foundation of the National Natural Science Foundation of China (NSFC; 51422907) and the Program for New Century Excellent Talents (NCET) in University (NCET-11-0401).
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Published In
Journal of Hydrologic Engineering
Volume 20 • Issue 9 • September 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jun 13, 2014
Accepted: Oct 30, 2014
Published online: Dec 4, 2014
Discussion open until: May 4, 2015
Published in print: Sep 1, 2015
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