| 词条 | Clifton Court Forebay |
| 释义 |
| name = Clifton Court Forebay | image = | caption = | location = San Joaquin River Delta Contra Costa County, California | coords = {{coord|37.8299|-121.5568| region:US-CA_type:waterbody|display=inline,title|notes=[1]}} | type = Reservoir | inflow = Old River | outflow = California Aqueduct Delta–Mendota Canal | catchment = {{Convert|6|sqmi}}[2] | basin_countries = United States | length = {{Convert|2.5|mi}} | width = {{Convert|2|mi}} | area = {{Convert|2500|acres}}[2] | depth = {{convert|10|m|abbr=on}} | max-depth = {{convert|20|m|abbr=on}} | volume = {{Convert|29000|acre.ft|hm3|abbr=on}}[2] | residence_time = 4 months | elevation = {{Convert|3|ft}}[1] | reference = }} Clifton Court Forebay is a reservoir in the San Joaquin River Delta region of eastern Contra Costa County, California, {{convert|17|mi|km|abbr=on}} southwest of Stockton. The estuary region the forebay is located in is only 1m to 3m above mean sea level. HistoryThe body of water was created in 1969 by inundating a {{Convert|2200|acre|adj=on}} tract as part of the California State Water Project.[3] It serves as the intake point of the California Aqueduct for transport to Southern California, and feeds the Delta–Mendota Canal (a part of the Central Valley Project) to recharge San Joaquin Valley river systems.[4] Geological contextIf a large enough earthquake happens near or at the Clifton Court Forebay, the California water system for irrigation and municipal use will be adversely affected. Several earthquakes have nearly shut down the Forebay. The 2014 South Napa earthquake and the 1989 Loma Prieta earthquake came very close to shutting down the Forebay intake system. The Clifton Forebay is a wetland system that drained nearby small rivers into the Pacific Ocean. Only in recent times was its freshwater drainage functions turned into a gateway to water storage. The Central Valley region that this forebay interfaces with is very gradually filling in the central valley with sediments. The region may be rebounding from recent run ins with glaciations that affected North America. In popular cultureA documentary about the decline of the United States' infrastructure, The Crumbling of America,[5] was commissioned by the U.S. A&E network in the late 2000s. The documentary is typically shown on the History television channel in the United States, although other educational broadcasters globally have shown it. It features the Clifton Court Forebay as a "strategic piece of California freshwater infrastructure" subject to shutdown for up to two years if struck by an earthquake of magnitude 7.5 or greater. See also
Related sites
References1. ^1 {{Cite gnis|253867|Clifton Court Forebay}} {{Central Valley Project infrastructure}}{{State Water Project}}{{San Francisco Bay watershed}}2. ^1 2 {{Cite web|url=http://www.water.ca.gov/damsafety/docs/Juris(A-G)1.pdf|title=Dams Within the Jurisdiction of the State of California (A-G)|publisher=California Department of Water Resources, Division of Safety of Dams|accessdate=November 1, 2012}} 3. ^{{cite journal |author1=Kevin W. Clark |author2=Mark D. Bowen |author3=Ryan B. Mayfield |author4=Katherine P. Zehfuss |author5=Justin D. Taplin |author6=Charles H. Hanson | title=Quantification of Pre-Screen Loss of Juvenile Steelhead in Clifton Court Forebay | pages=1–3 | format=.PDF | publisher=California Natural Resources Agency, Department of Water Resources, State of California | url=http://baydeltaoffice.water.ca.gov/ndelta/fishery/documents/2009_clark_et_al_quantification_of_steelhead_pre-screen_loss.pdf | date=March 2009 | accessdate=2009-09-29}} 4. ^[https://www.theatlantic.com/features/archive/2014/02/american-aqueduct-the-great-california-water-saga/284009/ The Atlantic.com: "The American Aqueduct and the Great California Water Saga"], February 2014. 5. ^{{cite web | url=https://www.youtube.com/watch?v=zBSPcIGGcIc | title=The Crumbling of America (2:49 introductory clip) | accessdate=2013-09-11}} 6 : California State Water Project|Reservoirs in Contra Costa County, California|Sacramento–San Joaquin River Delta|Infrastructure completed in 1969|1969 establishments in California|Reservoirs in Northern California |
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