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Effects Of Dam Building - Example Papers

Effects Of Dam Building

Grade 10 Geography
Units 12, 13, 14
Essay - Effects of Dam Building

Many people have already dammed a small stream using sticks and mud by the
time they become adults. Humans have used dams since early civilization,
because four-thousand years ago they became aware that floods and droughts
affected their well-being and so they began to build dams to protect themselves
from these effects.1 The basic principles of dams still apply today as they did
before; a dam must prevent water from being passed. Since then, people have
been continuing to build and perfect these structures, not knowing the full
intensity of their side effects. The hindering effects of dams on ...

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are created to collect or hold water for
periods of time when there is a surplus supply. The water is then used when
there is a lack of supply. For example many small dams impound water in the
spring, for use in the summer dry months. Storage dams also supply a water
supply, or an improved habitat for fish and wildlife; they may store water for
hydroelectricity as well.

A diversion dam is a generation of a commonly constructed dam which is built
to provide sufficient water pressure for pushing water into ditches, canals or
other systems. These dams, which are normally shorter than storage dams are
used for irrigation developments and for diversion the of water from a stream
to a reservoir. Diversion dams are mainly built to lessen the effects of floods
and to trap sediment.

Overflow dams are designed to carry water which flow over thier crests,
because of this they must be made of materials which do not erode. Non-overflow
dams are built not to be overtopped, and they may ...

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Effects Of Dam Building. (2005, April 24). Retrieved November 28, 2024, from http://www.essayworld.com/essays/Effects-Of-Dam-Building/25833

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PAPER DETAILS

Added: 4/24/2005 09:23:08 AM
Category: Science & Nature
Type: Free Paper
Words: 1220
Pages: 5

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