期刊
NEUROCOMPUTING
卷 72, 期 13-15, 页码 2873-2883出版社
ELSEVIER
DOI: 10.1016/j.neucom.2008.12.032
关键词
Rainfall-runoff simulations; BP neural network; Data partitioning; Xinanjiang model; Flood period
The application of artificial neural network (ANN) to rainfall-runoff simulations has provided promising results in recent years. However, it is difficult to obtain satisfying results by using raw data for the direct prediction of the time series of streamflows. To improve simulating daily streamflow with back-propagation (BP) neural networks, the whole data set in this study is divided into two independent groups, flood period and non-flood period. The approaches and techniques of applying the division-based BP (DBP) in runoff simulation are presented in this paper. A comparison of the DBP model to the primitive BP model and the Xinanjiang model was also conducted to evaluate the effectiveness of the improvement. The numerical experimental results indicate that DBP model still overestimated flow peak, but improved considerably the streamflow simulation in the non-flood period. (C) 2009 Elsevier B.V. All rights reserved.
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