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Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/se-7-457-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/se-7-457-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 7, issue 2
Research article
 | 
29 Mar 2016
Research article |  | 29 Mar 2016

Delineating small karst watersheds based on digital elevation model and eco-hydrogeological principles

Guang Jie Luo, Shi Jie Wang, Xiao Yong Bai, Xiu Ming Liu, and An Yun Cheng

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Short summary
For accurately reflecting the eco-hydrological process of the dual structure of the surface and subsurface, we propose a new method for the extraction of small watersheds in karst regions. In this study, we think that the minimum karst watershed has an exit at the corrosion–erosion datum, and the further karst sub-watershed division may cause an eco-hydrological fault. The watersheds delineated by our method accurately reflect the hydrological process in the Sancha River.
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