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San Francisco Estuary and Watershed Science is a quarterly peer-reviewed open access scientific journal published by the California Digital Library covering research about the science and resource management of the San Francisco Bay, the Sacramento–San Joaquin River Delta, and the upstream watersheds.
The California Water Documents collection in the Claremont Colleges Digital Library is a valuable online resource of archived materials related to California's water history. Additionally, the collection has digitized materials relating to the creation and operation of both the Central Valley Project and the California State Water Project as ...
With the increased flood protection afforded by the Prado Dam, major industrial development migrating south from the Los Angeles Basin, and the Southern California housing boom in the 1950s and 1960s, the Santa Ana River watershed began its third and final transition—from agricultural to urban. [55]
California region, with its 10 4-digit subregion hydrologic unit boundaries. The California water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey in the United States hydrologic unit system, which is used to divide and sub-divide the United States into successively smaller hydrologic units.
The California Trail became the first important land link between San Francisco Bay and the eastern United States during the gold rush and became the route of the First transcontinental railroad in 1869. The gold rush brought approximately 200,000 new residents to California, and 36% of Californians lived around San Francisco Bay by 1870. [2]
The 10-digit watersheds were delineated to be between 40,000 and 250,000 acres in size, and the 12-digit subwatersheds between 10,000 and 40,000 acres. [5] In addition to the hydrologic unit codes, each hydrologic unit was assigned a name corresponding to the unit's principal hydrologic feature or to a cultural or political feature within the ...
The Watershed Project is an environmental nonprofit organization based in the University of California’s Richmond Field Station. Its mission is "to inspire Bay Area communities to understand, appreciate and protect our local watersheds."
It has been calculated that a 100-year flood in the watershed would only affect a roughly 0.5 mi (0.80 km) wide area for the lower reaches of San Juan Creek inside San Juan Capistrano, while for Arroyo Trabuco, only a 0.2 mi (0.32 km) wide area would be affected, mainly due to considerable entrenchment of the river bed. [25]