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Dam - Wikipedia


A dam is a barrier that impounds water or underground streams. Reservoirs created by dams .... Repairs were carried out during various periods, most important around 750 BC, and 250 years later the ...

Role of dams - ICOLD


In ancient times, dams were built for the single purpose of water supply or irrigation. ... The multipurpose dam is a very important project for developing countries, ...

Why are dams important? - USSD - United States Society on Dams


Dams are important because they help people have water to drink and provide water for industry, water for irrigation, water for fishing and recreation, water for ...

Dams: What They Are and What They Do | International Rivers


Silenced Rivers: The Ecology and Politics of Large Dams .... Donald Worster as ' the most important single piece of legislation in the history of the [US] West'.

Benefits of large dams


The dams and reservoirs world over have been playing dual role of harnessing ... to play a vital role in realizing large economic benefits of national importance.

Role of Dams for Irrigation, Drainage and Flood Control - ICID


still enormous. Societies for whom these dams are crucial for existence have therefore to be considered as the most important stakeholders. Large dams, distinct ...

Why do people build dams? - Association of State Dam Safety Officials


Most dams do more than one job! We fish, swim and boat on about 1 in every three lakes formed by dams. Lots of dams provide water for growing crops and for  ...

Dams - dam, building, river, sea, important, largest


Dams are structural barriers built to obstruct or control the flow of water in rivers and streams. They are designed to serve two broad functions. The first is the ...

The Role of Dams - ancold


Background on the Australian National Committee on Large Dams (ANCOLD) ... dams is an increasingly important aspect for the community and to our members.

Dams: Facts (Science Trek: Idaho Public Television)


But dams we're most familiar with are built on purpose, by beavers or humans. ... The most important load that a dam must support is the water behind it.

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Benefits of Dams | FEMA.gov


Jan 6, 2016 ... This page describes various important roles that dams play in the United States. It is geared toward general audiences that wish to learn more ...

Why Do We Build Dams? - Lesson - www.teachengineering.org


Human-made dams are important in our modern life. Civil engineers and city planners compare the benefits, cost and environmental impacts to determine ...

The Importance of Dams & Reservoirs | Des Moines Water Works


Sep 20, 2011 ... The Importance of Dams & Reservoirs. Water is the vital resource to support all forms of life. Unfortunately, water is not evenly distributed by ...