caa a22 4500 445814675 CHVBK 20180317145222.0 cr unu---uuuuu 170323e20110901xx s 000 0 eng 10.1007/s10040-011-0747-9 doi (NATIONALLICENCE)springer-10.1007/s10040-011-0747-9 Simulation of a groundwater fall caused by geological discontinuities [Elektronische Daten] [Wenping Li, Zhenying Liu, Haipeng Guo, Ning Li, Weidong Kang] Simulation d'un décrochement de nappe provoqué par des discontinuités géologiques In some areas close to a reverse fault with significant vertical displacement, or the boundary of a mining area in multi-layer rock and the boundary of perched water, the phreatic water-level changes abruptly from one side of the fault or boundary to the other. There is no direct hydraulic connection between the two sides and a groundwater fall occurs across the fault or boundary. This groundwater fall cannot be easily handled by the modules available in MODFLOW. Semi-analytical solutions were derived for water discharge from the upstream to the downstream side of the fault or boundary, and verified by air-water two-phase numerical simulation. The numerical results show that the derived semi-analytical solutions can be used to accurately estimate the groundwater flux at the fault even though the unsaturated zone is not considered. A module package, GWF, was developed to simulate the groundwater fall, which can be embedded directly into MODFLOW. A theoretical example is presented to show how the package GWF is used to simulate perched water. This package was also applied successfully to build a regional groundwater model of the Urumqi River Basin, Xinjiang, China, and the simulation results showed good agreement with the local hydrogeologic conditions. Springer-Verlag, 2011 Groundwater fall nationallicence Fault nationallicence MODFLOW nationallicence Unsaturated zone nationallicence China nationallicence Li Wenping China Institute of Geo-Environmental Monitoring, No. 20 Dahuisi Road, Haidian District, 100081, Beijing, PR China aut Liu Zhenying College of Engineering, Shijiazhuang University of Economics, 050031, Beijing, PR China aut Guo Haipeng China Institute of Geo-Environmental Monitoring, No. 20 Dahuisi Road, Haidian District, 100081, Beijing, PR China aut Li Ning Institute of Environmental Engineering (IfU), 8093, ETH Zurich, Switzerland aut Kang Weidong Department of Geology, Northwest University, 710069, Xi'an, PR China aut Hydrogeology Journal Springer-Verlag 19/6(2011-09-01), 1121-1133 1431-2174 19:6<1121 2011 19 10040 https://doi.org/10.1007/s10040-011-0747-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10040-011-0747-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Li Wenping China Institute of Geo-Environmental Monitoring, No. 20 Dahuisi Road, Haidian District, 100081, Beijing, PR China aut NATIONALLICENCE 700 1- Liu Zhenying College of Engineering, Shijiazhuang University of Economics, 050031, Beijing, PR China aut NATIONALLICENCE 700 1- Guo Haipeng China Institute of Geo-Environmental Monitoring, No. 20 Dahuisi Road, Haidian District, 100081, Beijing, PR China aut NATIONALLICENCE 700 1- Li Ning Institute of Environmental Engineering (IfU), 8093, ETH Zurich, Switzerland aut NATIONALLICENCE 700 1- Kang Weidong Department of Geology, Northwest University, 710069, Xi'an, PR China aut NATIONALLICENCE 773 0- Hydrogeology Journal Springer-Verlag 19/6(2011-09-01), 1121-1133 1431-2174 19:6<1121 2011 19 10040 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer