Articles | Volume 371
https://doi.org/10.5194/piahs-371-143-2015
https://doi.org/10.5194/piahs-371-143-2015
12 Jun 2015
 | 12 Jun 2015

Evaluation of drought impact on groundwater recharge rate using SWAT and Hydrus models on an agricultural island in western Japan

G. Jin, Y. Shimizu, S. Onodera, M. Saito, and K. Matsumori

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Short summary
In our research, we found the climate change has resulted in larger variation of groundwater recharge and surface runoff in mountainous catchment. The middle and downstream areas are considered to be the main groundwater recharge areas. The rainfall intensity had a great impact on the changes of the groundwater level. The recharge resources may will decrease and groundwater storage will decline under the trend of decreasing precipitation in the future.