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Essay - Effects Of Dam Building
Beginning of essay
Grade 10 Geography
Units 12, 13, 14
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 the ....
Middle of essay
....e 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 include earth
or rock in their body. Often, two types of.... |
| Number of words: 1215 |
Approximate pages: 5 |
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