How can we support the development of robust groundwater sustainability plans?

Mehta, Vishal K.; Young, Charles A.; Bresney, S.; Spivak, Daniel; Winter, Jonathan M.

doi:10.3733/ca.2018a0005

Cited by 7 publications

(5 citation statements)

References 29 publications

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“…The second cluster (yellow) focuses on groundwater resources and includes concepts such as "groundwater abstractions", "groundwater resources", or "groundwater recharge". The growing concern for conserving groundwater resources has led to the construction of more IPs on agricultural farms, giving rise to the development of a line of research based on the study of the contribution of the IPs to the recharging of aquifers [33,69] and the management and joint use of different water sources to guarantee the sustainability of groundwater without affecting the agricultural yields [70][71][72][73].…”

Section: Abstract Analysis In Ipsa Researchmentioning

confidence: 99%

Contribution of Irrigation Ponds to the Sustainability of Agriculture. A Review of Worldwide Research

et al. 2020

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The use of irrigation ponds has proved to be an efficient alternative for increasing the availability and quality of water resources for irrigation and contributing to the sustainability of agriculture. This article analyses the dynamics of worldwide research on this topic over the last two decades. To do this, a review including a qualitative systematic analysis and a quantitative bibliometric analysis was carried out on a sample of 951 articles. The results reveal that this line of research is becoming more relevant within agricultural research, particularly in recent years. The research in this topic has focused on the sustainable development of vulnerable regions, the contribution to the agronomic improvement of crops and farms, environmental impact assessment, the joint management of water resources, the restoration of groundwater bodies, and the use of rainfall. Gaps have been found in the literature with respect to the capacity of irrigation ponds to cover the irrigation needs in different agricultural contexts, the perceptions and attitudes of farmers towards the use of irrigation ponds, and the economic–financial feasibility of these systems.

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Section: Abstract Analysis In Ipsa Researchmentioning

confidence: 99%

Contribution of Irrigation Ponds to the Sustainability of Agriculture. A Review of Worldwide Research

et al. 2020

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“…In doing so, GSAs must carefully consider their own local hydrological, geographic, climatic and social context. Engaging with local water users is critically important to the success of the local SGMA process and a statutory requirement of the policy (Mehta et al 2018). For farmers, who are often part of local GSAs and management approaches, these efforts may have profound implications for the future of groundwater management in California.…”

Section: Methods and Datamentioning

confidence: 99%

The carrot or the stick? Drivers of California farmer support for varying groundwater management policies

Niles

Wagner

2019

Environ. Res. Commun.

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Growing demand for groundwater, coupled with the projected threats to groundwater supplies and impacts, has led to an increased focus on policy options for groundwater management. Globally, agriculture is the largest human-use of water, making farmers a critical stakeholder for policy engagement. In California, the Sustainable Groundwater Management Act (SGMA), a comprehensive groundwater policy, was signed into law in 2014. Here we explore farmer perspectives of groundwater availability and groundwater management policy preferences through a mail survey of farmers (n=137) in Yolo County, California, implemented in 2017. Overall, farmers expressed widespread concern for the five applicable 'undesirable results' considered under SGMA and the majority of farmers felt that these conditions were either occurring now or were likely to occur in the next ten years. The majority of farmers were supportive of individual or incentive-based policy options to address groundwater concerns (e.g. voluntary adoption of water management practices). However, a sizable group of farmers were also supportive of regulatory-based policy options (e.g. moratorium on drilling new wells). Multivariate regression models suggest that for both kinds of policies, individual support for SGMA positively predicts groundwater management policy support. However, for regulatory-based policies, subjective norms -a farmers' belief that the majority of other farmers support SGMA-is also an important predictor of regulatory policy approaches along with a number of other factors. These results suggest that, should regulatory approaches for SGMA implementation be necessary, fostering subjective norms among farmers may be an important mechanism to achieving farmer support.

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“…Groundwater contributes approximately 38 percent to the state's total water supply during an average year and up to 46 percent (or even more) during dry years (DWR, 2019c). Groundwater also supports California's 46 billion dollars agricultural economy (Mehta et al, 2018). Many rural and municipal communities depend on groundwater for up to 100 percent of their water supply (DWR, 2019c).…”

Section: Introductionmentioning

confidence: 99%

“…Many rural and municipal communities depend on groundwater for up to 100 percent of their water supply (DWR, 2019c). While groundwater use varies across the state and over time, it has overall largely increased from approximately 11 km 3 , or 9 million acre-feet 1 (MAF) in 1947 to about 24 km 3 (20 MAF) per year from 2005 to 2009 (Mehta et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…However, the ability to mitigate those impacts has significant implications: Overreliance on groundwater has led to significant overdraft, which reduces water supply reliability in the long term, increases groundwater pumping costs, causes subsidence and infrastructure damage, harms the 1 One acre-foot is equivalent to approximately 1233 cubic meters. groundwater-dependent ecosystems, and seriously threatens the sustainability of state's groundwater resources (Mehta et al, 2018;Moran et al, 2014). The Central Valley in California, with an area of approximately 52,000 km 2 (Famiglietti et al, 2011) and a population of 6.5 million, cultivates more than 250 different types of crops and claims more than 70% of state's groundwater supply (Ojha et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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