A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability. Hydropower is often used in conjunction with dams to generate electricity. A ...

A dam is a large wall or barrier that blocks or stops the flow of water, forming a reservoir or a lake. [1] Most dams have a section called a spillway or weir over which, or through which, water flows, either sometimes or always.

Parker Dam is a concrete arch-gravity dam that crosses the Colorado River 155 miles (249 km) downstream of Hoover Dam. Built between 1934 and 1938 by the Bureau of Reclamation , it is 320 feet (98 m) high, 235 feet (72 m) of which are below the riverbed (the deep excavation was necessary in order to reach the bedrock on which the foundation of ...

水壩（英語：Dam）是建築在溪流、河流和河口的屏障，用來防止洪水泛濫、生產水力發電、儲水作飲食或灌溉、工商業之用。 在河流中上游建造的短距離人工高聳河堤的主要作用或功能並非防止水患，而是為了集結河水，把水匯集在 堤 前，將河谷淹沒後形成 ...

Bagnell Dam (informally, the Osage Dam [6]) impounds the Osage River in the U.S. state of Missouri, creating the Lake of the Ozarks.The dam is located in the city of Lakeside in Miller County, near the Camden-Miller County line.The 148-foot (45 m) tall concrete gravity dam was built by the Union Electric Company (now Ameren) to …

大古力水坝（Grand Coulee Dam）美国西北部華盛頓州 哥伦比亚河上的重力壩。主要功能為進行水力發電並實施灌溉。是美國最大的電力設施 [3] ， 同時也是世界上最大的混凝土結構之一。 [1]

阿斯旺水坝 （阿拉伯语： السد العالي ‎），分為 阿斯旺低坝 （又稱阿斯旺旧坝、小阿斯旺坝）和 阿斯旺高坝 （又稱阿斯旺大坝）， 阿斯旺 是位于 埃及 的 尼罗河 第一瀑布下的城市，两座大坝在此跨过尼罗河，由于旧坝的设计不足以控制洪水，興建新的高坝來保护沿河居住的人口、农田及棉田。 英国 在1898年興建了旧坝，於1902年完工，长1900米，高54米，屬於中型 重力坝，由于原设计的不足，旧坝已於1907－1912年和1929－1933年两次加高，但在1946年時洪水卻几乎漫坝，使 …

A dam is a barrier that impoonds watter or unnergrund streams. Reservoirs creatit bi dams nae anly suppress fluids but an aa provide watter for activities such as irrigation , human consumption , industrial uise , aquacultur , an navigability .

Glen Canyon Dam is a concrete arch-gravity dam in the southwestern United States, located on the Colorado River in northern Arizona, near the city of Page.The 710-foot-high (220 m) dam was built by the Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powell, one of the largest man-made reservoirs in the U.S. with a capacity of …

2025年1月16日 · dam, structure built across a stream, a river, or an estuary to retain water. Dams are built to provide water for human consumption, for irrigating arid and semiarid lands, or for use in industrial processes.