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Article

Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms

1
IHE Delft Institute for Water Education, 2611 AX Delft, The Netherlands
2
POWERCHINA Beijing Corp. Ltd, Beijing 100024, China
3
Information Center, Ministry of Water Resources, Beijing 100053, China
4
Yellow River Engineering Consulting Corp., Ltd., Zhengzhou 450003, China
*
Author to whom correspondence should be addressed.
Geosciences 2019, 9(12), 509; https://doi.org/10.3390/geosciences9120509
Received: 30 October 2019 / Revised: 29 November 2019 / Accepted: 5 December 2019 / Published: 6 December 2019
(This article belongs to the Special Issue Impacts of Compound Hydrological Hazards or Extremes)
This article addresses the issue of flood management using four flood storage areas in the middle section of Huai River in China which protect the important downstream city of Bengbu. The same areas are also used by the local population as residential and agricultural zones. An optimization problem is therefore posed, with two objectives of simultaneously minimizing the downstream flood risk in Bengbu city and the storage areas’ economic damages. The methodology involved development of river flood models using HEC-RAS, with varying complexity, such as 1-dimensional (1D) model with storage areas represented as lumped conceptual reservoirs, and 2-dimensional (2D) models with detailed representation of the terrain, land-use and hydrodynamics in the storage areas. Experiments of coupling these models with global optimization algorithms (NSGA-II, PESA-II and SPEA-II) were performed (using the HEC-RAS Controller), in which the two objective functions were minimized, while using stage differences between the river and the storage areas as decision variables for controlling the opening/closing of the gates at the lateral structures that link the river with the storage areas. The comparative analysis of the results indicate that more refined optimal operational strategies that spread the damages across all storage areas can be obtained only with the detailed flood simulation models, regardless of the optimization algorithm used. View Full-Text
Keywords: flood storage area; global optimization; Huai River; HEC-RAS; HEC-RAS controller flood storage area; global optimization; Huai River; HEC-RAS; HEC-RAS controller
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MDPI and ACS Style

Jonoski, A.; Popescu, I.; Zhe, S.; Mu, Y.; He, Y. Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms. Geosciences 2019, 9, 509. https://doi.org/10.3390/geosciences9120509

AMA Style

Jonoski A, Popescu I, Zhe S, Mu Y, He Y. Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms. Geosciences. 2019; 9(12):509. https://doi.org/10.3390/geosciences9120509

Chicago/Turabian Style

Jonoski, Andreja, Ioana Popescu, Sun Zhe, Yuhan Mu, and Yiqing He. 2019. "Analysis of Flood Storage Area Operations in Huai River Using 1D and 2D River Simulation Models Coupled with Global Optimization Algorithms" Geosciences 9, no. 12: 509. https://doi.org/10.3390/geosciences9120509

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