CPESC EXAM GUIDE WITH GUARANTEED ACCURATE ANSWERS |VERIFIED
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Course
CPESC
Institution
CPESC
Erosion - ACCURATE ANSWERS process in which, by the actions of wind and/or water, soil particles detached and transported
Sediment - ACCURATE ANSWERS eroded material suspended in wind or water
Sedimentation - ACCURATE ANSWERS deposition of eroded material
Types of Erosion - ACCURATE ANSWER...
CPESC EXAM GUIDE 2024\2025
CPESC EXAM GUIDE 2024\2025 WITH GUARANTEED ACCURATE ANSWERS |
VERIFIED
Erosion - ACCURATE ANSWERS✔✔ process in which, by the actions
of wind and/or water, soil particles detached and transported
Sediment - ACCURATE ANSWERS✔✔ eroded material suspended in
wind or water
Sedimentation - ACCURATE ANSWERS✔✔ deposition of eroded
material
Types of Erosion - ACCURATE ANSWERS✔✔ splash
sheet
rill
,gully
channel
Splash erosion - ACCURATE ANSWERS✔✔ raindrop impact energy is
enough to dislodge surface sediments
sheet erosion - ACCURATE ANSWERS✔✔ caused by rain splash
detaching soil particles lifting them up and removing them by shallow
"sheets" of water flowing down the sloped soil surface
Rill Erosion - ACCURATE ANSWERS✔✔ as flow concentrates, small
channels begin to form in the soil surface
Gully Erosion - ACCURATE ANSWERS✔✔ Formed when runoff cuts
rills deeper and wider or when flows from several rills come together
and form a large channels
Channel Erosion - ACCURATE ANSWERS✔✔ may become unstable
due to increased flows or changes in upstream sediment load
Natural erosion - ACCURATE ANSWERS✔✔ generally considered due
to the influences of climate on the surface of the earth
Accelerated erosion - ACCURATE ANSWERS✔✔ natural erosion plus
human activities
,What problems can accelerated erosion cause? - ACCURATE
ANSWERS✔✔ Unrestricted development
removal of surface cover
increased imperviousness
poor stewardship
Problems associated with construction related erosion - ACCURATE
ANSWERS✔✔ problems for down slope property owners
nuisance problems on streets
clog streams and storm drains
increased turbidity downstream
cover sensitive habitat with sediment
Identify instream damages of sediment - ACCURATE ANSWERS✔✔
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
Suspended material - ACCURATE ANSWERS✔✔ sediment can affect
light penetration, channel stability, fisheries and habitat
, Name Off stream damages - ACCURATE ANSWERS✔✔ Increased
flood hazards
increased water treatment costs
decreased capacity in conveyance facilities
higher infrastructure maintenance costs
What has increased the amount of impervious surface in our watersheds?
- ACCURATE ANSWERS✔✔ Urbanization and development
priority pollutants include - ACCURATE ANSWERS✔✔ nutrients
pathogens
heavy metals
toxics
sediment
salts
detergents
hydro carbons
Clean Water Act (CWA) - ACCURATE ANSWERS✔✔ Federal Water
Pollution Control Act enacted to restore and maintain the chemical,
physical and biological integrity of the waters of the US
administered by USEPA
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