The Multi‐Scale Dynamics of Groundwater Depletion

17787 8 96806 2 298314 document 96806 Water Resources Research - 2021 - Sahu - The Multi‐Scale Dynamics of Groundwater Depletion.pdf application/pdf ef3bd30bd39dc39e23c992fc49afea1f MD5 3100308 2022-02-03 09:30:21 https://pure.iiasa.ac.at/id/eprint/17787/1/Water%20Resources%20Research%20-%202021%20-%20Sahu%20-%20The%20Multi%E2%80%90Scale%20Dynamics%20of%20Groundwater%20Depletion.pdf 17787 1 1 application/pdf text en public cc_by_4

Water Resources Research - 2021 - Sahu - The Multi‐Scale Dynamics of Groundwater Depletion.pdf

published 96807 2 298317 document 96807 2020wr029402-sup-0001-supporting information si-s01.docx application/vnd.openxmlformats-officedocument.wordprocessingml.document 44eae8b704a164d1da1e2ab47aab20c0 MD5 3044438 2022-02-03 09:31:54 https://pure.iiasa.ac.at/id/eprint/17787/2/2020wr029402-sup-0001-supporting%20information%20si-s01.docx 17787 2 2 application/vnd.openxmlformats-officedocument.wordprocessingml.document text en public cc_by_4

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/96807 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/96807 http://eprints.org/relation/isIndexCodesVersionOf https://pure.iiasa.ac.at/id/document/96807 96810 2 298325 document 96810 lightbox.jpg image/png f9971e0894cc3ece2eaf9d09097efe4e MD5 64622 2022-02-03 09:40:43 https://pure.iiasa.ac.at/id/eprint/17787/5/lightbox.jpg 17787 5 5 image/png other Thumbnails conversion from text to thumbnail_lightbox en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/96806 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/96806 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/96806 archive 353 disk0/00/01/77/87 2022-02-03 09:32:55 2022-02-03 09:32:55 2022-02-03 09:32:55 article show Sahu R.K. 2309 0000-0003-0681-0509 McLaughlin D.B. The Multi‐Scale Dynamics of Groundwater Depletion pub BNR WAT Unsustainable depletion of aquifer storage and diversion of groundwater from downstream users continue to be serious problems, even though their adverse effects are widely recognized. Groundwater depletion involves interactions between economically motivated pumping decisions and physical constraints. Here, we investigate these interactions by using optimal control techniques to describe the pumping decisions of economic agents who share an aquifer. Our approach relies on a multi-scale description of unconfined groundwater flow, applied to a computational experiment that illustrates some important impacts of aquifer development. We show that cooperative groundwater management can provide higher economic benefits, with less storage depletion, than an uncooperative alternative. However, demand for water still drives pumping decisions, even when users cooperate. In many aquifers the benefits of pumping are necessarily accompanied by a reduction in aquifer outflow and by depletion of the groundwater reserve, for both cooperative and uncooperative management. These benefits decrease significantly when pumping is limited by well yield constraints or when the diversion of aquifer outflow is restricted. Our overall analysis emphasizes the importance of viewing aquifer management as part of a larger resource allocation problem that considers the conflicting needs of well operators, downstream users, and future consumers of the resource. 2021-11-17 published American Geophysical Union 10.1029/2020WR029402 3198 public Water Resources Research 57 12 e2020WR029402 TRUE 00431397 no info:eu-repo/semantics/article