Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems

Critical groundwater overdraft is one of the greatest water issues of our time. In California, decades of overdraft have resulted in the passage of the 2014 Sustainable Groundwater Management Act, which requires critically overdrafted groundwater basins to create groundwater sustainability plans for...

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Main Authors: Alisha Rodriguez, Andrew Calderwood, Brad T. Gooch, Maribeth Kniffin, Laura Foglia
Format: Article
Language:English
Published: PAGEPress Publications 2021-06-01
Series:Acque Sotterranee
Subjects:
Online Access:https://acquesotterranee.net/index.php/acque/article/view/500
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author Alisha Rodriguez
Andrew Calderwood
Brad T. Gooch
Maribeth Kniffin
Laura Foglia
author_facet Alisha Rodriguez
Andrew Calderwood
Brad T. Gooch
Maribeth Kniffin
Laura Foglia
author_sort Alisha Rodriguez
collection DOAJ
description Critical groundwater overdraft is one of the greatest water issues of our time. In California, decades of overdraft have resulted in the passage of the 2014 Sustainable Groundwater Management Act, which requires critically overdrafted groundwater basins to create groundwater sustainability plans for future groundwater management. Many managers are using managed aquifer recharge (MAR) in their overall sustainability portfolio, in an attempt to balance groundwater use. Soil maps have been used in the past to determine viability of managed aquifer recharge sites. However, soil maps do not account for the high permeability pathways that exist in the subsurface, which have the potential to provide high efficiency recharge to the water table. This paper emphasizes the utility of creating data dense fine resolution geostatistical models and generating many realizations of the subsurface, which can then be used for analysis to understand the variability in recharge potential for specific recharge sites. These geostatistical realizations were investigated using connectivity metrics to evaluate the spread of highly conductive pathways throughout the subsurface. Connectivity analyses of high conductivity pathways show confidence that the study site- three vineyards located in the floodplain between the Cosumnes River and Deer Creek in Elk Grove, CA - has the potential to provide efficient recharge to the water table. These connectivity analyses can be completed prior to running computationally expensive and time intensive groundwater models and can be used as a way to understand variance between realizations of these geostatistical models.
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spelling doaj.art-bff29f28793045779c034c33e8cfd2572022-12-21T20:13:17ZengPAGEPress PublicationsAcque Sotterranee1828-454X2280-64582021-06-0110210.7343/as-2021-500Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systemsAlisha Rodriguez0Andrew Calderwood1Brad T. Gooch2Maribeth Kniffin3Laura Foglia4Department of Land, Air and Water Resources, University of California, DavisDepartment of Land, Air and Water Resources, University of California, DavisDepartment of Land, Air and Water Resources, University of California, Davis; Larry Walker AssociatesDepartment of Land, Air and Water Resources, University of California, DavisDepartment of Land, Air and Water Resources, University of California, Davis; Larry Walker AssociatesCritical groundwater overdraft is one of the greatest water issues of our time. In California, decades of overdraft have resulted in the passage of the 2014 Sustainable Groundwater Management Act, which requires critically overdrafted groundwater basins to create groundwater sustainability plans for future groundwater management. Many managers are using managed aquifer recharge (MAR) in their overall sustainability portfolio, in an attempt to balance groundwater use. Soil maps have been used in the past to determine viability of managed aquifer recharge sites. However, soil maps do not account for the high permeability pathways that exist in the subsurface, which have the potential to provide high efficiency recharge to the water table. This paper emphasizes the utility of creating data dense fine resolution geostatistical models and generating many realizations of the subsurface, which can then be used for analysis to understand the variability in recharge potential for specific recharge sites. These geostatistical realizations were investigated using connectivity metrics to evaluate the spread of highly conductive pathways throughout the subsurface. Connectivity analyses of high conductivity pathways show confidence that the study site- three vineyards located in the floodplain between the Cosumnes River and Deer Creek in Elk Grove, CA - has the potential to provide efficient recharge to the water table. These connectivity analyses can be completed prior to running computationally expensive and time intensive groundwater models and can be used as a way to understand variance between realizations of these geostatistical models.https://acquesotterranee.net/index.php/acque/article/view/500groundwater flowgroundwater rechargeManaged Aquifer Rechargeheterogeneity
spellingShingle Alisha Rodriguez
Andrew Calderwood
Brad T. Gooch
Maribeth Kniffin
Laura Foglia
Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
Acque Sotterranee
groundwater flow
groundwater recharge
Managed Aquifer Recharge
heterogeneity
title Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
title_full Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
title_fullStr Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
title_full_unstemmed Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
title_short Determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
title_sort determining initial viability of local scale managed aquifer recharge projects in alluvial deposition systems
topic groundwater flow
groundwater recharge
Managed Aquifer Recharge
heterogeneity
url https://acquesotterranee.net/index.php/acque/article/view/500
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AT bradtgooch determininginitialviabilityoflocalscalemanagedaquiferrechargeprojectsinalluvialdepositionsystems
AT maribethkniffin determininginitialviabilityoflocalscalemanagedaquiferrechargeprojectsinalluvialdepositionsystems
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