Hydroelectric dams

Background and context
Dams have existed for thousands of years for various purposes, such as irrigation and flood-control. In the 19th century, they began to be used for hydroelectricity, and by the 20th century, they had become a mainstay of electricity generation. As of 2005, hydroelectric power, mostly from dams, supplied 19% of the world's electricity, and over 63% of renewable energy. Yet, dams have been the subject of significant controversy among environmentalists in recent decades, mainly due to the ....etc

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The environmental impacts of dams have come under renewed examination in recent years.

Dam proponents have historically understood that dams largely improve the status of water-related energy and environmental issues by, for example, producing hydroelectric power and increasing the water supply for irrigation. Recently however, the negative impacts of dams have come increasingly into focus. Discussion over whether dam projects are ultimately beneficial or detrimental--to both the environment and surrounding human populations--has emerged wi ....etc

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application of gis in site selection for dams ppt ....etc

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Presented By:ABHINAV ANKURDAMS

Dams
Dam is a solid barrier constructed at a suitable location across a river valley to store flowing water.
Storage of water is utilized for following objectives:
Hydropower
Irrigation
Water for domestic consumption
Drought and flood control
For navigational facilities
Other additional utilization is to develop fisheries
TYPES OF DAMS
Gravity Dams:
These dams ....etc

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aA detailed report on the topic HYDROELECTRIC POWER PLANTS IN INDIA.... ....etc

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sir/madam,i would like to do a seminar on this topic.since i don't have sufficient data regarding this topic.so kindly give me the material regarding the topic. ....etc

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Seminar On Dams
Dams
Definition:-
Dam is a solid barrier constructed at a suitable location across a river valley to store flowing water.
Storage of water is utilized for following objectives:
• Hydropower
• Irrigation
• Water for domestic consumption
• Drought and flood control
• For navigational facilities
• Other additional utilization is to develop fisheries
TYPES OF DAMS
GRAVITY DAMS:
These dams are heavy and massive wall-like structures of concrete in which the whole weight acts ....etc

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