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

Yuan, Y.; Xu, Y.-S.; Shen, S.-L.; Zhang, N.

doi:10.5194/piahs-372-13-2015

Articles | Volume 372

https://doi.org/10.5194/piahs-372-13-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/piahs-372-13-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 372

12 Nov 2015

| 12 Nov 2015

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

Y. Yuan, Y.-S. Xu, S.-L. Shen, and N. Zhang

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Cumulative views and downloads (calculated since 12 Nov 2015)

Month	HTML	PDF	XML	Total
Nov 2015	2	7	1	10
Dec 2015	4	20	0	24
Jan 2016	22	30	1	53
Feb 2016	10	1	0	11
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Jan 2026	0

Latest update: 03 Jan 2026

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.