Drought Resilience Of The California Central Valley Surface Groundwater Conveyance System PDF Download
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Release | : 2009 |
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Download Drought Resilience of the California Central Valley Surface-groundwater-conveyance System Book in PDF, ePub and Kindle
A series of drought simulations were performed for the California Central Valley using computer applications developed by the California Department of Water Resources and historical datasets representing a range of droughts from mild to severe for time periods lasting up to 60 years. Land use, agricultural cropping patterns, and water demand were held fixed at the 2003 level and water supply was decreased by amounts ranging between 25 and 50%, representing light to severe drought types. Impacts were examined for four hydrologic subbasins, the Sacramento Basin, the San Joaquin Basin, the Tulare Basin, and the Eastside Drainage. Results suggest the greatest impacts are in the San Joaquin and Tulare Basins, regions that are heavily irrigated and are presently overdrafted in most years. Regional surface water diversions decrease by as much as 70%. Stream-to-aquifer flows and aquifer storage declines were proportional to drought severity. Most significant was the decline in ground water head for the severe drought cases, where results suggest that under these scenarios the water table is unlikely to recover within the 30-year model-simulated future. However, the overall response to such droughts is not as severe as anticipated and the Sacramento Basin may act as ground-water insurance to sustain California during extended dry periods.
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Total Pages | : 44 |
Release | : 2011 |
Genre | : Central Valley (Calif. : Valley) |
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Download Drought Analyses of the California Central Valley Surface-groundwater Conveyance System Book in PDF, ePub and Kindle
Author | : Tim Stroshane |
Publisher | : University of Nevada Press |
Total Pages | : 429 |
Release | : 2016-10-27 |
Genre | : Nature |
ISBN | : 087417001X |
Download Drought, Water Law, and the Origins of California's Central Valley Project Book in PDF, ePub and Kindle
This book is an account of how water rights were designed as a key part of the state’s largest public water system, the Central Valley Project. Along sixty miles of the San Joaquin River, from Gustine to Mendota, four corporate entities called “exchange contractors” retain paramount water rights to the river. Their rights descend from the days of the Miller & Lux Cattle Company, which amassed an empire of land and water from the 1850s through the 1920s and protected these assets through business deals and prolific litigation. Miller & Lux’s dominance of the river relied on what many in the San Joaquin Valley regarded as wasteful irrigation practices and unreasonable water usage. Economic and political power in California’s present water system was born of this monopoly on water control. Stroshane tells how drought and legal conflict shaped statewide economic development and how the grand bargain of a San Joaquin River water exchange was struck from this monopoly legacy, setting the stage for future water wars. His analysis will appeal to readers interested in environmental studies and public policy.
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Total Pages | : 12 |
Release | : 1991 |
Genre | : Crops and water |
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Download Water in California Book in PDF, ePub and Kindle
Author | : Betsy A. Cody |
Publisher | : DIANE Publishing |
Total Pages | : 31 |
Release | : 2010-10 |
Genre | : Technology & Engineering |
ISBN | : 1437927572 |
Download California Drought Book in PDF, ePub and Kindle
California experienced severe water supply shortages in 2009, which led to economic disruption across the state, incl. losses in agricultural areas in the western portion of the Central Valley ¿ areas already experiencing declines in the housing industry and the economic downturn in general. At the same time, several fish species whose habitat lie at the heart of California¿s water supply system and throughout its northern rivers are in decline and some face the possibility of extinction. This situation too has had economic implications, resulting in job and income losses in northern California. Contents of this report: (1) Intro.; (2) What is Drought?; (3) Drought in California; (4) Regulatory Restrictions Affecting Water Deliveries; (5) California Water Rights. Illus.
Author | : Ellen Hanak |
Publisher | : Public Policy Instit. of CA |
Total Pages | : 500 |
Release | : 2011 |
Genre | : Business & Economics |
ISBN | : 1582131414 |
Download Managing California's Water Book in PDF, ePub and Kindle
Author | : Laurene Park |
Publisher | : |
Total Pages | : 364 |
Release | : 2019 |
Genre | : Drought management |
ISBN | : |
Download Accelerating Drought Resilience Through Innovative Technologies Book in PDF, ePub and Kindle
Author | : Benedykt Dziegielewski |
Publisher | : DIANE Publishing |
Total Pages | : 282 |
Release | : 1997-04 |
Genre | : |
ISBN | : 0788141635 |
Download Lessons Learned from the California Drought (1987-1992) Book in PDF, ePub and Kindle
Describes the lessons learned of the six-year California drought (1987-1992). This report will improve the mgmt. of water resources during future droughts in California & other states. These lessons capture the views of some 100 interviewed participants representing 57 organizations in California that manage or influence the mgmt. of water. The participating organizations represented Fed., state, regional, & local water supply agencies as well as environmental, private & governmental entities that influence water management in the state.
Author | : Sarfaraz Alam |
Publisher | : |
Total Pages | : 182 |
Release | : 2021 |
Genre | : |
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Download Improved Understanding of the Climatic and Anthropogenic Drivers of Groundwater Depletion and Recovery in California's Central Valley Book in PDF, ePub and Kindle
The role of climatic and anthropogenic drivers in groundwater storage depletion and recovery in California's Central Valley has been investigated. Specifically, the dissertation addresses three research questions: (1) How does climate change impact the groundwater storage? (2) Can managed aquifer recharge (MAR) mitigate groundwater overdraft? (3) How much of the drought-caused groundwater overdraft in Central Valley has recovered during the post-drought years and what is the role of climate and water management in the fast versus slow post-drought overdraft recovery? In the first part of the dissertation, integrated hydrologic models have been simulated to predict future groundwater storage changes under multiple climate change scenarios and to evaluate the relative contribution of crop water use and surface water inflow to Central Valley regions. It is shown that climate change will accelerate groundwater depletion in the future and an increase in future crop water use will be the dominant cause of future groundwater decline without mitigation measure. In the second part, the impact of large-scale MAR implementation on groundwater overdraft recovery, flood peak, and low flow have been investigated via numerical experiments. It is shown that MAR has limited capacity to recovery historical groundwater overdraft due to lack of surface water availability in the southern Central Valley (i.e., San Joaquin and Tulare regions). Delivering excess surface water from the delta to the Tulare and San Joaquin region can significantly solve the groundwater overdraft problem. Moreover, MAR can reduce flood peaks, and increase dry season flow. Finally, an ensemble of groundwater storage change estimates has been made using multiple methods and numerical experiments conducted to understand the role of climate and water management to recover drought-caused groundwater overdraft during post-drought years. The result shows that the Central Valley aquifer is not resilient to drought under existing conditions, and it is very challenging to recover drought-caused groundwater overdraft. However, water management measures that restrict groundwater extraction can significantly reduce the groundwater overdraft recovery time.
Author | : United States. Bureau of Reclamation |
Publisher | : |
Total Pages | : 464 |
Release | : 1949 |
Genre | : Agriculture |
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Download Central Valley Basin Book in PDF, ePub and Kindle