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CPESC EXAM Newest Updated Questions and Answers (2024 / 2025) (Verified Answers)
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CPESC EXAM Newest Updated Questions and Answers (2024 / 2025) (Verified Answers)
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By: marriottshanthi • 4 months ago
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CPESC Exam1.Erosion: process in which, by the actions of wind and/or water, soil
particles detached and transported
2.Sediment: eroded material suspended in wind or water
3.Sedimentation: deposition of eroded material
4.Types of Erosion: splash sheet
rill gull
y
channel
5.Splash erosion: raindrop impact energy is enough to dislodge surface sediments
6.sheet erosion: caused by rain splash detaching soil particles lifting them up and removing them by shallow "sheets" of water flowing down the sloped soil surface
7.Rill Erosion: as flow concentrates, small channels begin to form in the soil surface .Gully Erosion: Formed when runoff cuts rills deeper and wider or when flows from several rills come together and form a large channels
9.Channel Erosion: may become unstable due to increased flows or changes in upstream sediment load
10.Natural erosion: generally considered due to the influences of climate on the surface of the earth
11.Accelerated erosion: natural erosion plus human activities
12.What problems can accelerated erosion cause?: Unrestricted development removal of surface cover
increased imperviousness poor stewardship
13.Problems associated with construction related erosion: problems for down slope property owners
nuisance problems on streets clog streams and storm drains increased turbidity downstream cover sensitive habitat with sediment
14.Identify instream damages of sediment: destruction of spawning areas,
food sources, habitat
direct toxicity to wildlife lake degradation
filling of navigation channels impacts to commercial fisheries
reduction of water storage capacities
15.Suspended material: sediment can affect light penetration, channel stability, fisheries and habitat .Name Off stream damages: Increased flood hazards increased water treatment costs
decreased capacity in conveyance facilities higher infrastructure maintenance costs
17.What has increased the amount of impervious surface in our watersheds?-
: Urbanization and development
18.priority pollutants include: nutrients pathogens
heavy metals toxics sediment salts detergents hydro carbons
19.Clean Water Act (CWA): Federal Water Pollution Control Act enacted to
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