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CPESC EXAM Newest 2025 Updated Questions and Answers (2025 / 2026) (Verified Answers)
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Exam of 70 pages for the course CPESC at CPESC
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By: marriottshanthi • 10 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
,8. 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
, 16.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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