Tag Archive 'levees'

Another good reason for protecting the health of natural flood plains is the high cost of flooding. The New York Times reports that when the Army Corps of Engineers declared last year that the levees in certain places, like East St. Louis, Ill. were ‘unacceptable,’ the rating kicked up a storm of protest along the [...]

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Floodwaters are rising to record heights in the lower Mississippi, weeks before they’re expected to crest. Ira Flatow and guests discuss how engineers have boxed in the river with dams, levees and spillways, and whether human-induced climate change might bring more frequent floods. >More via ScienceFriday Tweet

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A stream or river is constantly adjusting itself. This is nature’s balancing act between the amount of water and gradient in the channel, and the amount and size of the sediment within the system. Any disturbance, either natural or human-caused, will change this balance. Activities such as building within the floodplain, constructing roads in riparian [...]

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