Articles | Volume 24, issue 7
https://doi.org/10.5194/hess-24-3603-2020
https://doi.org/10.5194/hess-24-3603-2020
Research article
 | 
17 Jul 2020
Research article |  | 17 Jul 2020

Hydrological evaluation of open-access precipitation data using SWAT at multiple temporal and spatial scales

Jianzhuang Pang, Huilan Zhang, Quanxi Xu, Yujie Wang, Yunqi Wang, Ouyang Zhang, and Jiaxin Hao

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Latest update: 18 Apr 2024
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Short summary
As frequently used precipitation products, Gauge, CPC, and CHIRPS presented different behaviors in describing precipitation on different spatial and temporal scales, yet these dissimilarities could be concealed in hydrological modeling by parameter calibration and validation. Parameter adjustment in hydrologic modeling, however, would yield different water balance components and thus alter hydrologic mechanisms, demonstrating the complexity in physically describing natural hydrologic processes.