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Economic Tradeoffs in Groundwater Ma...

Stone, Kathleen Marie.

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Economic Tradeoffs in Groundwater Management During Drought: Tulare County, California.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Economic Tradeoffs in Groundwater Management During Drought: Tulare County, California./
Author:	Stone, Kathleen Marie.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	38 p.
Notes:	Source: Masters Abstracts International, Volume: 81-04.
Contained By:	Masters Abstracts International81-04.
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13882657
ISBN:	9781085796057

Economic Tradeoffs in Groundwater Management During Drought: Tulare County, California.
Stone, Kathleen Marie.

Economic Tradeoffs in Groundwater Management During Drought: Tulare County, California. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 38 p.

Source: Masters Abstracts International, Volume: 81-04.

Thesis (M.S.)--University of California, Davis, 2019.

This item must not be sold to any third party vendors.

The 2014 Sustainable Groundwater Management Act (SGMA) requires local groundwater management plans and policies to achieve future sustainability. But, defining groundwater sustainability can be challenging given the various sustainability criteria. Establishing policies in a large existing system of competing users brings further complexity. Before implementing change to current groundwater practices, the effects of proposed policies on users should be evaluated. Policy-makers also may need to consider the needs and interests of different water users.This thesis focuses on a local groundwater system and evaluates the economic impacts of policy alternatives on two somewhat conflicting user groups. The study analyzes agricultural and domestic groundwater use in Tulare County, California during the 2012-2016 drought. Using hydrologic and crop production data from the drought, agricultural surface water deliveries, crop water demands, and groundwater usage were estimated for the study area. With these data, an agricultural-groundwater profit maximization model was created to relate groundwater use, agricultural profit, and resulting agricultural opportunity costs from water use regulation. An analogous relationship for domestic groundwater users was obtained from an existing domestic well costs model (Gailey et al., 2019). By defining alternative groundwater policies as depth-to-groundwater pumping limits, the models estimated agricultural opportunity and domestic well costs, respectively. The collection of these policy economic impacts on users form a Pareto curve. The groundwater policy which maximizes the total welfare of the two groups was then identified. The additional agricultural groundwater pumping during the drought greatly impacted domestic well users. Since agricultural profit greatly exceeds domestic well costs incurred during drought, an opportunity for negotiating compensation for domestic costs from agricultural users is presented. SGMA policy implementation will require groundwater drawdown recovery by reducing agricultural groundwater pumping and fallowing lower-valued crops following future droughts. Including these recovery costs reduced drought drawdown by agriculture. Limitations of the study, policy implications, and future work also are discussed.

ISBN: 9781085796057Subjects--Topical Terms:

860360
Civil engineering.
Subjects--Index Terms:

California

Economic Tradeoffs in Groundwater Management During Drought: Tulare County, California.
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500 $a Source: Masters Abstracts International, Volume: 81-04.
500 $a Advisor: Lund, Jay R.
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506 $a This item must not be sold to any third party vendors.
520 $a The 2014 Sustainable Groundwater Management Act (SGMA) requires local groundwater management plans and policies to achieve future sustainability. But, defining groundwater sustainability can be challenging given the various sustainability criteria. Establishing policies in a large existing system of competing users brings further complexity. Before implementing change to current groundwater practices, the effects of proposed policies on users should be evaluated. Policy-makers also may need to consider the needs and interests of different water users.This thesis focuses on a local groundwater system and evaluates the economic impacts of policy alternatives on two somewhat conflicting user groups. The study analyzes agricultural and domestic groundwater use in Tulare County, California during the 2012-2016 drought. Using hydrologic and crop production data from the drought, agricultural surface water deliveries, crop water demands, and groundwater usage were estimated for the study area. With these data, an agricultural-groundwater profit maximization model was created to relate groundwater use, agricultural profit, and resulting agricultural opportunity costs from water use regulation. An analogous relationship for domestic groundwater users was obtained from an existing domestic well costs model (Gailey et al., 2019). By defining alternative groundwater policies as depth-to-groundwater pumping limits, the models estimated agricultural opportunity and domestic well costs, respectively. The collection of these policy economic impacts on users form a Pareto curve. The groundwater policy which maximizes the total welfare of the two groups was then identified. The additional agricultural groundwater pumping during the drought greatly impacted domestic well users. Since agricultural profit greatly exceeds domestic well costs incurred during drought, an opportunity for negotiating compensation for domestic costs from agricultural users is presented. SGMA policy implementation will require groundwater drawdown recovery by reducing agricultural groundwater pumping and fallowing lower-valued crops following future droughts. Including these recovery costs reduced drought drawdown by agriculture. Limitations of the study, policy implications, and future work also are discussed.
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