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what are three ways human activities increase the harmful effects of flooding?
Occasionally, floods occur unnaturally. These are usually the result of human activities. [ Such activities include: Blasting - this causes landslides in the slopes of hills and mountains which may result in the unintentional damming of rivers and streams. Construction of temporary dams - this produces an impediment to the flow of a river or stream which then results in an overflow; Failure
of hydraulic and other control structures - accidents like the breaking of a dike result in the entry of an enormous quantity of water in a protected area; and Mismanagement of hydraulic structures - control structures like dams which are utilized for various purposes are usually operated according to what is known as an "operation rule" and mismanagement which results in the violation of the rule may necessitate an untimely and sudden release of large amounts of excess water. ]
Expert answered|BambiDextrous|Points 229|
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Asked 4/28/2011 3:33:24 PM
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