Groundwater sustainability: a review of the interactions between science and policy

Elshall, Ahmed S.; Arik, Aida; El‐Kadi, Aly I.; Pierce, Suzanne A.; Ye, Ming; Burnett, Kimberly; Wada, Christopher A.; Bremer, Leah L.; Chun, Gregory

doi:10.1088/1748-9326/ab8e8c

Cited by 121 publications

(76 citation statements)

References 385 publications

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“…Other actions include densifying and improving the efficiency of observation and registration networks of basic parameters related to water quantity and quality [53]. Finally, it would be useful to further investigate the practice of combining surface water and groundwater, attempting to apply the adequate specific weight to an aquifer as natural infrastructure that is not always properly understood or optimally used [54].…”

Section: Discussionmentioning

confidence: 99%

Groundwater Sustainability Strategies in the Sierra de Gador-Campo de Dalias System, Southeast Spain

Pulido−Bosch

Vallejos

Sola

et al. 2020

Water

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Maintaining sustainable development in semi-arid regions is a complex task due to scarce precipitation, with notable temporal and spatial variations that complicate planning and proper management of water resources. Most of the water extractions from the aquifers in southeast Spain are carried out to supply a growing agricultural sector and increasingly successful tourism, which is the case of the Sierra de Gador-Campo de Dalias system. Savings, reutilization and awareness among water users are essential elements in any sustainable water policy. Some of the possible solutions proposed that offer low environmental impacts include certain infrastructure works, such as dams, ditches or recharge in gravel pits. Also, desalinization plants constitute a technical alternative in theory but involve high costs. The integration of all these resources, together with their proper management, is necessary to ensure the future water supply and economic growth in the region, safeguarding the state of its aquifers that are currently intensely overexploited.

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Section: Discussionmentioning

confidence: 99%

Groundwater Sustainability Strategies in the Sierra de Gador-Campo de Dalias System, Southeast Spain

Pulido−Bosch

Vallejos

Sola

et al. 2020

Water

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“…They have embraced relevant rural developments while transforming the health and the entire way of life in rural areas [2]. Today, irrigated agriculture must cope with several threats and challenges such as water scarcity, mitigation of negative environmental impacts associated with conventional agriculture, climate change effects [3], and groundwater bodies' deterioration [4][5][6]. In this context, site-specific approaches associated with improvements in the operation and management of irrigation and fertigation practices can represent feasible solutions.…”

Section: Introductionmentioning

confidence: 99%

A Path Model of the Intention to Adopt Variable Rate Irrigation in Northeast Italy

et al. 2021

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Irrigated agriculture determines large blue water withdrawals, and it is considered a key intervention area to reach sustainable development objectives. Precision agriculture technologies have the potential to mitigate water resource depletion that often characterises conventional agricultural approaches. This study investigates the factors influencing farmers’ intentions to adopt variable rate irrigation (VRI) technology. The Technology Acceptance Model 3 (TAM-3) was employed as a theoretical framework to design a survey to identify the factors influencing farmers’ decision-making process when adopting VRI. Data were gathered through quantitative face-to-face interviews with a sample of 138 fruit and grapevine producers from the Northeast of Italy (Veneto, Emilia-Romagna, Trentino-Alto Adige, Friuli-Venezia Giulia). Data were analysed using partial least squares path modelling (PLS-PM). The results highlight that personal attitudes, such as perceived usefulness and subjective norm, positively influence the intention to adopt VRI. Additionally, the perceived ease of use positively affects intention, but it is moderated by subject experience.

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“…Accordingly, this study used the current climate as a low-range potential future climate, and RCP 8.5 mid-century a mid-to upper-range projection. This study applied a sequential approach where a surfacewater model was used to estimate recharge for the groundwater model, also known as loose-coupling (Elshall et al 2020). Elshall et al (2020) provides a detailed discussion of the pros and cons of loose-coupling versus coupled or integrated hydrologic modeling approaches.…”

Section: Groundwater Recharge and Sustainable Yield Estimatesmentioning

confidence: 99%

“…Planning for water security in a context of global environmental change is one of the most pressing challenges worldwide (Taylor et al 2013;Wheater and Gober 2015;Elshall et al 2020;Gleeson et al 2020). Groundwater is an essential component of water security, supplying nearly half of drinking and irrigation water globally (Cross et al 2016;Giordano 2009).…”

Section: Introductionmentioning

confidence: 99%

“…A range of groundwater sustainability policies have emerged in response to current and projected water resource degradation (Gleeson et al 2012;Elshall et al 2020). This includes sustainable yield and related policies, which limit groundwater pumping to levels that can be sustained over the long-term without compromising societally defined human and ecological uses of the resource (Hansen 2012;Pierce et al 2013;Rudestam and Langridge 2014;Elshall et al 2020). Second, watershed protection programs focused on maintaining or enhancing hydrologic ecosystem services, including groundwater recharge, are rapidly growing, particularly in the tropics (Abell et al 2017;Salzman et al 2018;Brauman et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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Effects of land-cover and watershed protection futures on sustainable groundwater management in a heavily utilized aquifer in Hawai‘i (USA)

et al. 2021

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Groundwater sustainability initiatives, including sustainable yield and watershed policy protection policies, are growing globally in response to increasing demand for groundwater, coupled with concerns about the effects of climate and land-cover change on groundwater supply. Improved understanding of the impacts of watershed management on groundwater yields and management costs—particularly in the broader context of climate and land-cover change—is critical to inform these initiatives and facilitate integrated land and water management. This study develops a novel, spatially explicit groundwater hydrologic ecosystem services framework, which combines stakeholder-defined land-cover scenarios, sustainable yield estimation using a groundwater simulation optimization approach, and economic valuation, and applies it in the most heavily utilized aquifer Hawai‘i (USA). Sustainable yield estimates and resulting differences in replacement costs are estimated for six land-cover scenarios (with varying levels of urban development and watershed management) crossed with two water demand scenarios in a context of a dry future climate (Representative Concentration Pathway [RCP] 8.5 mid-century). Land-cover change is found to be an important, though less significant drive of changes in groundwater recharge than climate change. The degree of watershed protection, through preventing the spread of high-water-use, invasive plant species, is projected to be a much stronger land-cover signal than urban development. Specifically, full forest protection increases sustainable yield by 7–11% (30–45 million liters per day) and substantially decreases treatment costs compared with no forest protection. Collectively, this study demonstrates the hydrologic and economic value of watershed protection in a context of a dry future climate, providing insights for integrated land and water policy and management in Hawai‘i and other regions, particularly where species invasions threaten source watersheds.

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Groundwater sustainability: a review of the interactions between science and policy

Cited by 121 publications

References 385 publications

Groundwater Sustainability Strategies in the Sierra de Gador-Campo de Dalias System, Southeast Spain

Groundwater Sustainability Strategies in the Sierra de Gador-Campo de Dalias System, Southeast Spain

A Path Model of the Intention to Adopt Variable Rate Irrigation in Northeast Italy

Effects of land-cover and watershed protection futures on sustainable groundwater management in a heavily utilized aquifer in Hawai‘i (USA)

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