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The San Jose-San Francisco-Oakland, CA Combined Statistical Area is a 12-county Combined Statistical Area (CSA) designated by the United States Office of Management and Budget in Northern California that includes the San Francisco Bay Area. The CSA is more extensive than the popular local definition of the Bay Area, which consists of only the nine counties bordering San Francisco and San Pablo Bays: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. 〔(【引用サイトリンク】url=http://www.bayareavision.org/bayarea/index.html )〕〔(【引用サイトリンク】url=http://www.abag.ca.gov/ )〕 The CSA also includes the three counties of San Joaquin, Santa Cruz, and San Benito that do not border San Francisco or San Pablo Bay, but are economically tied to the nine counties that do. The CSA ranks as the fifth most populous metropolitan area of the United States, and second in California.〔 ==Geography== The CSA includes the vast geographic diversity of the traditional nine-county region, composed of at least six terranes (continental, seabed, or island arc fragments with distinct characteristics) pushed together over many millions of years by the forces of plate tectonics. These landscapes range from cool foggy mountains and temperate forests on the San Francisco Peninsula and Marin County, to the semi-arid, near-desert terrain in the easternmost portions of the East Bay. San Joaquin County extends the CSA further east into the agricultural lands of the San Joaquin Valley, the southern half of the larger California Central Valley. The county includes portions of the Sacramento–San Joaquin River Delta, formed by the confluence of the Sacramento and San Joaquin rivers before they eventually flow west into the Bay Area. Several cities and communities in the county like Tracy and Mountain House have become exurbs of the Bay Area because of population growth. Santa Cruz and San Benito counties lie to the south of the traditional nine-county region, in the northernmost part of the California Central Coast. Santa Cruz County is a strip between the Pacific coast and the crest of the Santa Cruz Mountains at the northern end of the Monterey Bay. San Benito County lies more inland along the California Coast Ranges. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「San Jose-San Francisco-Oakland, CA Combined Statistical Area」の詳細全文を読む スポンサード リンク
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