Articles | Volume 372
Proc. IAHS, 372, 13–15, 2015
https://doi.org/10.5194/piahs-372-13-2015
Proc. IAHS, 372, 13–15, 2015
https://doi.org/10.5194/piahs-372-13-2015
 
12 Nov 2015
12 Nov 2015

Investigation of alternative mechanisms of aquifer-system compaction and land subsidence in Shanghai

Y. Yuan et al.

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Latest update: 05 Jul 2022
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Short summary
Two additional alternative mechanistic models are proposed that involve principles of load transfer considering the temporally and spatially redistributed stresses associated with groundwater extraction: i) Cosserat continuum mechanism, considering shear force in the aquifer due to hydraulic gradients in the aquifer; and ii) internal erosion of fine-grained (clay and silt) particles within the aquifer. Initial results based on simulations incorporating Cosserat mechanics look promising.