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Mobile Bay is an inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The Mobile River and Tensaw River empty into the northern end of the bay, making it an estuary. Several smaller rivers also empty into the bay: Dog River, Deer River, and Fowl River on the western side of the bay, and Fish River on the eastern side. Mobile Bay is the fourth largest estuary in the United States with a discharge of of water per second.〔(【引用サイトリンク】work="Dauphin Island Sea Lab" )〕 Annually, and often several times during the summer months, the fish and crustaceans will swarm the shallow coastline and shore of the bay. This event, appropriately named a jubilee, draws a large crowd because of the abundance of fresh, easily caught seafood it yields. Mobile Bay is the only place on earth where jubilees are a common occurrence. Mobile Bay is in area. It is long by a maximum width of .〔 The deepest areas of the bay are located within the shipping channel, sometimes in excess of deep, but the average depth of the bay is .〔 == History == Spanish explorers were sailing into the area of Mobile Bay as early as 1500, with the bay being marked on early maps as the ''Bahía del Espíritu Santo'' (Bay of the Holy Spirit). The area was explored in more detail in 1516 by Diego de Miruelo and in 1519 by Alonso Álvarez de Pineda. In 1528, Pánfilo de Narváez travelled through what was likely the Mobile Bay area, encountering Native Americans who fled and burned their towns at the approach of the expedition. This response was a prelude to the journeys of Hernando de Soto, more than eleven years later.〔Thomason, Michael. ''Mobile : the new history of Alabama's first city'', pages 7-14. Tuscaloosa : University of Alabama Press, 2001. ISBN 0-8173-1065-7〕 Hernando de Soto explored the area of Mobile Bay and beyond in 1540, finding the area inhabited by a Muscogee Native American people. During this expedition his forces destroyed the fortified town of Mauvila, also spelled Maubila, from which the name Mobile was later derived.〔(【引用サイトリンク】work="University of South Alabama Center for ArchaeologicalStudies" )〕 This battle with Chief Tuscaloosa and his warriors took place somewhere in inland Alabama, well to the north of the current site of Mobile. The next large expedition was that of Tristán de Luna y Arellano, in his unsuccessful attempt to establish a permanent colony for Spain nearby at Pensacola in 1559.〔 Although Spain's presence in the area had been sporadic, the French created a deep-sea port at Dauphin Island and founded French Louisiana's capital at Mobile, a few miles north of Mobile Bay on the Mobile River in 1702. The original settlement of ''Fort Louis de la Mobile'' was relocated in 1711 to the head of Mobile Bay following a series of floods.〔(【引用サイトリンク】 work=MuseumOfMobile.com )〕 During the American Civil War Mobile Bay was used as a major port for blockade runners bringing in badly needed supplies for the Confederacy. On August 5, 1864, Admiral David Farragut led a Union flotilla through Confederate defenses and sealed off one of the last major Southern ports of the bay in the Battle of Mobile Bay, effectively cutting off another port for receiving supplies. A number of Civil War-era shipwrecks remain in Mobile Bay, including ''American Diver'', CSS ''Gaines'', CSS ''Huntsville'', USS ''Philippi'', CSS ''Phoenix'', USS ''Rodolph'', USS ''Tecumseh'', and CSS ''Tuscaloosa''. Mobile's role as a seaport has continued to the present day, though the commodities have changed through time. Cotton was the chief commodity in the nineteenth century. During the Second World War, Mobile's shipbuilding industry expanded and the city's population surged. Growth has been rapid since then. The city has endured several devastating hurricanes in its history, the most recent being Hurricane Frederic in 1979 and Hurricane Katrina in 2005. Areas of low elevation, including the downtown business district, have been flooded repeatedly in hurricanes. However, much of the city is at an elevation exceeding above sea level, which is unusually high for the Gulf and Atlantic Coasts. On September 13, 1979, Hurricane Frederic entered the bay with winds reaching , destroying the bridge to Dauphin Island. On August 28–29, 2005, Hurricane Katrina pushed a massive storm surge into Mobile Bay, measuring high at Bayou La Batre (Alabama), with higher waves on top, and high at Mobile, at the far northern end of Mobile Bay. Thousands of boats, piers, and beach houses were damaged by waves exceeding high, and the battleship was pushed off her moorings, leaving her listing to port (tilted to the left). Downtown Mobile was flooded several feet, and the south-end towns of Bayou La Batre and Bon Secour were severely damaged. Dozens of vessels of various sizes were left stranded inland. 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「Mobile Bay」の詳細全文を読む スポンサード リンク
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