Multi-model ensemble hydrological simulation using a BP Neural Network for the upper Yalongjiang River Basin, China
2018
Z. Li | Z. Li | J. Yu | J. Yu | X. Xu | W. Sun | W. Sun | B. Pang | B. Pang | J. Yue
Hydrological models are important and effective tools for detecting complex hydrological processes. Different models have different strengths when capturing the various aspects of hydrological processes. Relying on a single model usually leads to simulation uncertainties. Ensemble approaches, based on multi-model hydrological simulations, can improve application performance over single models. In this study, the upper Yalongjiang River Basin was selected for a case study. Three commonly used hydrological models (SWAT, VIC, and BTOPMC) were selected and used for independent simulations with the same input and initial values. Then, the BP neural network method was employed to combine the results from the three models. The results show that the accuracy of BP ensemble simulation is better than that of the single models.
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