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Effects Of Dam Building
Beginning of essay
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 ....
Middle of essay
....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 .... |
| Number of words: 1220 |
Approximate pages: 5 |
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