Abstract
Reservoirs are one of the most efficient projects for water resources management, and also play an important role in flood control and conservation. Dynamic control of the reservoir flood limited water level (FLWL) is considered as an effective factor to ensure safety of the flood control during the flood season. The maximum allowed water level of cascade reservoirs is also a fundamental key element for implementing reservoir water level dynamic control operation. In this paper, we discussed and improved “Dynamic Control Operation Module for Cascade Reservoirs” (DCOMR). Therefore, a set of new formulas and new methodologies were proposed (NDCOMR) which considers intermediate variables forecast information, the release of the upstream reservoir and interval flow forecast information in effective lead times, which is applied to the dynamic operation of the maximum allowed water level of cascade reservoirs. The Bikou and Miaojiaba cascade reservoirs were selected as a case study. Based on numerical experiment results, the maximum allowed water level of cascade reservoirs at current time determined by NDCOMR was much safer than that determined by DCOMR. The NDCOMR is more rational and safer than DCOMR for flood control, without the need of reducing flood control standard.
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Acknowledgements
This research was funded by Project: Flood Forecasting, Controlling and Flood Prevention Aided Software Development-Flood Control Early Warning Communication System and Flood Forecasting, Controlling and Flood Prevention Aided Software Development for Poyang Lake Area of Jiangxi Province (0628-136006104242, JZ0205A432013, SLXMB200902), and the IWHR Research & Development Support Program (JZ0145B052016) IWHR Scientific Research Projects, Specific Research of China Institute of Water Resources and Hydropower Research (Grant Nos. Fangji 1240).
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Appendix
Appendix
(1) Jul.4, 2007 flood event.
(2) Jun.30, 2008 flood event.
(3) Jul.17, 2009 flood event.
(4) Jul.26, 2010 flood event.
(5) Jul.6, 2011 flood event.
(6) Jun.29, 2012 flood event.
(7) May 24, 2013 flood event.
(8) Sept.18, 2014 flood event.
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Zhang, Z., He, X., Geng, S. et al. An Improved “Dynamic Control Operation Module” for Cascade Reservoirs. Water Resour Manage 32, 449–464 (2018). https://doi.org/10.1007/s11269-017-1820-5
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DOI: https://doi.org/10.1007/s11269-017-1820-5