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blonde girl reveals outside at the river

Blonde Girl Reveals Outside At The River

Flooding is a natural part of a river's cycle. The majority of the erosion of river channels and the erosion and deposition on the associated floodplains occur during flood stage. In many developed areas, human activity has changed river channel form, altering different magnitudes and frequencies of flooding. Some examples of this are the building of levees, the straightening of channels, and the draining of natural wetlands. In many cases human activities in rivers and floodplains have dramatically increased the risk of flooding. Straightening rivers allows water to flow more rapidly downstream increasing the risk of flooding places further downstream. Building on flood plains removes flood storage which again exacerbates downstream flooding. The building of levees may only protect the area behind the levees and not those further downstream. Levees and flood-banks can also increase flooding upstream because of back-water pressure as the upstream water has to squeeze between the levees.
Flow
Studying the flows of rivers is one aspect of hydrology.

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Filename:412025.jpg
Album name:Babes
Rating (3 votes):55555
Keywords:#blonde #girl #reveals #outside #river
Filesize:56 KiB
Date added:Sep 07, 2011
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