Articles | Volume 21, issue 2
https://doi.org/10.5194/hess-21-1251-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-1251-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
On the coupled unsaturated–saturated flow process induced by vertical, horizontal, and slant wells in unconfined aquifers
School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
Hongbin Zhan
CORRESPONDING AUTHOR
Department of Geology & Geophysics, Texas A & M University, College Station, TX 77843-3115, USA
You-Kuan Zhang
School of Environmental Sciences and Engineering, South University of Science and Technology of China, Shenzhen, Guangdong 518055, P. R. China
Jin Liu
School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
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The error or uncertainty in head, obtained with an analytical or numerical solution, at an early time is mainly caused by the random initial condition. The error reduces with time, later reaching a constant error. The constant error at a later time is mainly due to the effects of the uncertain source/sink. The error caused by the uncertain boundary is limited to a narrow zone. Temporal scaling of head exists in most parts of a low permeable aquifer, mainly caused by recharge fluctuation.
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