Articles | Volume 382
https://doi.org/10.5194/piahs-382-387-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-382-387-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Experimental study on mechanism for pumping-induced land subsidence
Yun Zhang
CORRESPONDING AUTHOR
School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
Guofeng He
School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
Jichun Wu
School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
Zhiduo Zhu
Institute of Geotechnical Engineering, Southeast University, Nanjing 211189, China
Xuexin Yan
Shanghai Institute of Geological Survey, Shanghai 200072, China
Tianliang Yang
Shanghai Institute of Geological Survey, Shanghai 200072, China
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Short summary
Groundwater pumping can cause severe land subsidence and decrease ground surface level. A physical model test were conducted to mimic this process. An interesting phenomenon is that, due to their low permeability, aquitard units may expand in a period when groundwater is withdrawn from the neighboring aquifer units, and they may compact when groundwater is recharged into the neighbor aquifer units.
Groundwater pumping can cause severe land subsidence and decrease ground surface level. A...