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Integrated water operations in Calif...

Dogan, Mustafa Sahin.

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Integrated water operations in California: Hydropower, overdraft, and climate change.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Integrated water operations in California: Hydropower, overdraft, and climate change./
作者:	Dogan, Mustafa Sahin.
面頁冊數:	121 p.
附註:	Source: Masters Abstracts International, Volume: 55-02.
Contained By:	Masters Abstracts International55-02(E).
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1604077
ISBN:	9781339261171

Integrated water operations in California: Hydropower, overdraft, and climate change.
Dogan, Mustafa Sahin.

Integrated water operations in California: Hydropower, overdraft, and climate change. - 121 p.

Source: Masters Abstracts International, Volume: 55-02.

Thesis (M.S.)--University of California, Davis, 2015.

Several management and climate cases are evaluated with the updated CALVIN, a hydro-economic optimization model of California's inter-tied water supply infrastructure. Updates to the CALVIN model include new projected 2050 agricultural target demands and scarcity penalties, improvements to network-flow representation, especially agricultural, urban, and wildlife refuge demands, and extended surface and ground water hydrology, now covering an 82-year historical inflow hydrology. A new energy price scheme is applied to CALVIN, which incorporates hourly energy price variations into monthly CALVIN operations. Using one constant average price for a month underestimates hydropower revenue and overestimates pumping costs. Hourly-varying moving average prices improved representation of hydropower revenue without creating significant scarcities to agricultural and urban water users. Effects of ending long-term groundwater overdraft in the Central Valley are evaluated with several management cases using CALVIN. The cases include effects of Delta outflow and Delta exports from a "no overdraft" policy. The least cost overdraft that minimizes groundwater pumping and scarcity costs is calculated for the 82-year period. Prohibiting Delta exports result in severe water scarcities south of the Delta. Water operations are more economical when overdraft is ended with adaptations, such as more Delta exports, increased groundwater banking, and water trades, than historical operations with overdraft. Finally, climate change effects under a warmer and drier climate scenario are studied and results are compared to historical hydrology. A drier and warmer climate shifts the timing and magnitude of stream flows. Spring snowmelt decreases and winter flows increase. Modelled reduction in rim inflows averages about 28%. This warmer-drier climate increases water scarcities, but adverse effects can be diminished with water sales, higher Delta exports, more conjunctive use, and wastewater recycling.

ISBN: 9781339261171Subjects--Topical Terms:

860360
Civil engineering.

Integrated water operations in California: Hydropower, overdraft, and climate change.
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