標題: Induced Groundwater Flux by Increases in the Aquifer\'s Total Stress
作者: Chang, Ching-Min
Yeh, Hund-Der
環境工程研究所
Institute of Environmental Engineering
公開日期: 1-Jan-2015
摘要: Fluid-filled granular soils experience changes in total stress because of earth and oceanic tides, earthquakes, erosion, sedimentation, and changes in atmospheric pressure. The pore volume may deform in response to the changes in stress and this may lead to changes in pore fluid pressure. The transient fluid flow can therefore be induced by the gradient in excess pressure in a fluid-saturated porous medium. This work demonstrates the use of stochastic methodology in prediction of induced one-dimensional field-scale groundwater flow through a heterogeneous aquifer. A closed-form of mean groundwater flux is developed to quantify the induced field-scale mean behavior of groundwater flow and analyze the impacts of the spatial correlation length scale of log hydraulic conductivity and the pore compressibility. The findings provided here could be useful for the rational planning and management of groundwater resources in aquifers that contain lenses with large vertical aquifer matrix compressibility values.
URI: http://dx.doi.org/10.1111/gwat.12252
http://hdl.handle.net/11536/124226
ISSN: 0017-467X
DOI: 10.1111/gwat.12252
期刊: GROUNDWATER
Volume: 53
起始頁: 10
結束頁: 16
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