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Cheng Lin and Yunting Lin
Recently, metaheuristic algorithms have been recognized as applicable techniques for solving various computational complexities in energy problems. In this work, a powerful metaheuristic technique called the water cycle algorithm (WCA) is assessed for an...
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Hesheng Tang, Xueyuan Guo, Liyu Xie and Songtao Xue
The uncertainty in parameter estimation arises from structural systems? input and output measured errors and from structural model errors. An experimental verification of the shuffled complex evolution metropolis algorithm (SCEM-UA) for identifying the o...
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Linxian Huang, Lichun Wang, Yongyong Zhang, Liting Xing, Qichen Hao, Yong Xiao, Lizhi Yang and Henghua Zhu
Prevention and remediation strategies for groundwater pollution can be successfully carried out if the location, concentration, and release history of contaminants can be accurately identified. This, however, presents a challenge due to complex groundwat...
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Jungwook Kim, Deokhwan Kim, Hongjun Joo, Huiseong Noh, Jongso Lee and Hung Soo Kim
The objective function is usually used for verification of the optimization process between observed and simulated flows for the parameter estimation of rainfall?runoff model. However, it does not focus on peak flow and on representative parameter for va...
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Gang Zhang, Tuo Xie, Lei Zhang, Xia Hua and Fuchao Liu
The Sacramento model is widely utilized in hydrological forecast, of which the accuracy and performance are primarily determined by the model parameters, indicating the key role of parameter estimation. This paper presents a multi-step parameter estimati...
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Chounghyun Seong, Younggu Her and Brian L. Benham
Hydrologic Simulation Program-Fortran (HSPF) model calibration is typically done manually due to the lack of an automated calibration tool as well as the difficulty of balancing objective functions to be considered. This paper discusses the development a...
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Shailesh Kumar Singh and András Bárdossy
It is always a dream of hydrologists to model the mystery of complex hydrological processes in a precise way. If parameterized correctly, a simple hydrological model can represent nature very accurately. In this study, a simple and effective optimization...
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Ji-Hong Jeon, Kyoung Jae Lim and Bernard A. Engel
Estimating surface runoff for ungauged watershed is an important issue. The Soil Conservation Service Curve Number (SCS-CN) method developed from long-term experimental data is widely used to estimate surface runoff from gaged or ungauged watersheds. Man...
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Ji-Hong Jeon, Chan-Gi Park and Bernard A. Engel
Global optimization methods linked with simulation models are widely used for automated calibration and serve as useful tools for searching for cost-effective alternatives for environmental management. A genetic algorithm (GA) and shuffled complex evolut...
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