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en.wikipedia.org/wiki/Dam

A dam is a barrier that stops or restricts the flow of water or underground streams. Reservoirs created by dams not only suppress floods but also provide water .... Repairs were carried out during various periods, most important around 750 BC,  ...

www.fema.gov/benefits-dams

Oct 24, 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 ...

www.teachengineering.org/lessons/view/cub_dams_lesson01

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

www.icold-cigb.net/GB/dams/role_of_dams.asp

Therefore, dams are constructed for a specific purpose such as water supply, flood ... The multipurpose dam is a very important project for developing countries , ...

www.nationalgeographic.org/media/why-do-we-build-dams

Feb 27, 2013 ... Dams play an important role in the American West, especially in states such as California, which has many large urban areas and a vast ...

www.dsmh2o.com/the-importance-of-dams-reservoirs

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 ...

www.internationalrivers.org/dams-what-they-are-and-what-they-do

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'.

www.internationalrivers.org/node/8326

May 27, 2014 ... 3. Dams Provide Important Services: Dams generate 16% of the world's electricity and irrigate food crops for 12-15% of the world's population.

www.napocor.gov.ph/NPCDams/index.php/about-us2/purposes-of-dams

Irrigation Presently, irrigated land covers about 277 million hectares i.e. about 18 % of world's arable land but is responsible for around 40% of crop output and ...

www.damsafety.org/community/kids/?p=3e83ea84-8035-4bac-b5ce-47fbd1ebc27c

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  ...