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Transcript
Erosion
and
Deposition
Agent: Moving Water
Moving water is the
major agent of
erosion that has
shaped Earth’s land
surface (p. 73)
Runoff is water that
moves across Earth’s
surface (p. 73)
If you think about it, it is
part of the rock cycle!
http://www.dkimages.com/discover/DKIMAGES/Discover/Home/Science/Earth-Sciences/Geology/Rocks/Rock-Cycle/Diagrams/Diagrams-6.html
Amount of runoff
There are 5 main factors that affect
how much runoff there is in an area.
1. The amount of rain
2. The amount of plants
and vegetation
3. The type of soil
5. How people use the
land: parking lot or park
large (streams!
RunoffRivers:
= erosion
usually)
Types of water channels
Gully:
a large
groove
Streams: a channel
• Rills:where
the running
water creates
water
is little
grooves in the soil
flowing downward
Erosion by Rivers
Under-
Groundwater
Erosion
Caves
Stalactites and
Stalagmites
Chemical
Weathering
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