Conceptual rainfall–runoff (CRR) model calibration is a global optimization problem with the main objective to find a set of optimal model parameter values that attain a best fit between observed and simulated flow. In this paper, a novel hybrid genetic algorithm (GA), which combines chaos and simulated annealing (SA) method, is proposed to exploit their advantages in a collaborative manner. It takes advantage of the ergodic and stochastic properties of chaotic variables, the global search capability of GA and the local optimal search capability of SA method. First, the single criterion of the mode calibration is employed to compare the performance of the evolutionary process of iteration with GA and chaos genetic algorithm (CGA). Then, the novel method together with fuzzy optimal model (FOM) is investigated for solving the multi-objective Xinanjiang model parameters calibration. Thirty-six historical floods with one-hour routing period for 5 years (2000–2004) in Shuangpai reservoir are employed to calibrate the model parameters whilst 12 floods in two recent years (2005–2006) are utilized to verify these parameters. The performance of the presented algorithm is compared with GA and CGA. The results show that the proposed hybrid algorithm performs better than GA and CGA.
Skip Nav Destination
Article navigation
Research Article|
November 07 2011
Calibration of Xinanjiang model parameters using hybrid genetic algorithm based fuzzy optimal model
Wen-Chuan Wang;
1Faculty of Water Conservancy Engineering, North China Institute of Water Conservancy and Hydroelectric Power, ZhengZhou 450011, China
E-mail: [email protected]
Search for other works by this author on:
Chun-Tian Cheng;
Chun-Tian Cheng
2Institute of Hydropower System & Hydroinformatics, Dalian University of Technology, Dalian 116085, China
Search for other works by this author on:
Kwok-Wing Chau;
Kwok-Wing Chau
3Department of Civil and Structural Engineering, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Search for other works by this author on:
Dong-Mei Xu
Dong-Mei Xu
1Faculty of Water Conservancy Engineering, North China Institute of Water Conservancy and Hydroelectric Power, ZhengZhou 450011, China
4Institute of Water Resources & Flood Control, Dalian University of Technology, Dalian 116085, China
Search for other works by this author on:
Journal of Hydroinformatics (2012) 14 (3): 784–799.
Article history
Received:
March 04 2011
Accepted:
July 11 2011
Citation
Wen-Chuan Wang, Chun-Tian Cheng, Kwok-Wing Chau, Dong-Mei Xu; Calibration of Xinanjiang model parameters using hybrid genetic algorithm based fuzzy optimal model. Journal of Hydroinformatics 1 July 2012; 14 (3): 784–799. doi: https://doi.org/10.2166/hydro.2011.027
Download citation file: