Level 64
Level 65

Fluvial Erosion, Transportation & Deposition Featu


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abrasion
the wearing down of rock particles by friction due to water or wind or ice
Attrition
the load carried by the river collides with itself causing it to break into smaller pieces
ATP
adenosine triphosphate
hydraulic action
The water forces air to be trapped and pressured into cracks in the rocks on the bank of the river. This constant pressure eventually causes the rocks to crack and break apart.
traction
The largest rocks in the river are slowly rolled along the bottom of the river by the force of the water. This primarily occurs in the upper reaches of the river.
saltation
Smaller rocks are bounced along the river bed. This occurs in the upper and middle sections of the river in general.
suspension
The water carries smaller particles of material. This process occurs throughout the course of the river, but increases the closer you are to the mouth of the river.
solution
Materialis dissolved within the water and carried along by it. Primarily this occurs in the middle and lower reaches of the river.
interlocking spurs
A river in the mid course follows the path of the easiest rock to erode. It tends to wind its way along, leaving the more resistant areas of rock.
meanders
Bends in the river that occur in the mid course and lower course of the river
Ox-Bow lakes
Lakes created at the lower course of a river when meanders connect.
V-shaped valleys
Vertical erosion in the upper course of the river.
waterfalls
Formed where a band of harder rock lies over a softer one. Primarily occur in the upper course of the river.
adjustment from a single event
a kink in a tree on a slope indicates
Climate
The average weather that occurs in a given region over a long period-typically over several decades
levee
a long wall made of dirt or concrete built next to a river or a lake to prevent flooding
Air Pressure
This is the measure of the force with which air molecules push on a surface. It is strongest at the Earth's surface because more air is above you. As you move farther away from…
Level 66