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2/10 NB Test

Keratin fibrous protein which forms the basic substance of nails, hair, horns, and hoofs.
Watershed (drainage basin) area of land that is drained by a water system
Continental Divide runs through the Rocky Mtns. separates flow of water into the Atlantic or Pacific
Divide higher ground that separates watersheds
Channel path that water flows
Tributary a stream that flows into a larger body of water
Stream narrow deep channel that is filled with water
River wider, deeper, larger stream
Gradient change in elevation
High Gradient high erosive energy
Low Gradient little erosive energy
Discharge Amount of water a river carries
Increased By major storms, melted snow
Increased Affects more erosive energy, gain speed, change its load
Load materials carried by a stream
Size affected by speed
If Fast larger particles
If Slow smaller particles
Bedload large rock
Suspended small rocks, sediment
Dissolved solutions, pollutants, byproducts
Youthful quick, erode deep not wide, steep gradient, waterfalls, strong rapid classes
Mature medium, erode wide, not deep, no waterfalls, small rapids, fed by many tributaries (French Broad)
Old low gradient, little erosive energy, floodplains
Rejuvenated land been raised by tectonic activity, cut deeply into valley floor forming step like formations called terraces
Alluvial Fan mass of material deposits by a stream to land
Deposition process where material is laid down or dropped
Sediment deposited where the water or current decreases, inside bank
Slows Down along the inside bank of the river
Placer Deposits heavy minerals that deposits @ a place in the river where the water slows down
Erosion occurs along the outside bank of the bend (faster)
Delta Forms in water, fan shaped mass of material deposited at the mouth of a stream
Dam barrier that can redirect the flow of water
Levee build up of sediment deposited along the channel of a river
Created by: 100000469569106