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CEPSCI Introduction – Questions & Complete Solutions
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CEPSCI Introduction – Questions & Complete Solutions
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CEPSCI Introduction – Questions & Complete SolutionsWhy is erosion prevention and sediment control important? Right Ans - -
Storm water runoff is the leading cause of impaired water in S.C.
-It protects downstream surface water and aquatic habitats
-It is the law!
What is erosion? Right Ans - The process by which the land surface is worn
away by the action of water, wind, ice, and gravity
Natural erosion is also known as ____________ Right Ans - Geologic erosion
What speed is natural/geologic erosion? Right Ans - Relatively slow
Where is natural erosion the fastest? Right Ans - Along shorelines and
stream channels
What percentage of eroded sediment is due to natural erosion? Right Ans -
30%
What is accelerated erosion? Right Ans - Erosion that happens at an
elevated level because of human activity
What are the primary contributors to accelerated erosion? Right Ans -
Agriculture, timber harvesting, and construction
What percentage of eroded sediment is due to accelerated erosion? Right
Ans - 70%
What is the expected erosion rate (in tons/acre/year) in forest land? Right
Ans - 1 or greater
What is the expected erosion rate (in tons/acre/year) in farm land? Right
Ans - 15 or greater
What is the expected erosion rate (in tons/acre/year) in construction sites?
Right Ans - 100 or greater
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