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Uplift vs. Erosion Stuffs
There are three stages (youth/stage I, mature/stage II, and old age/stage III) as well as rejuvenation. Each of the following is an identifying characteristic of one of these. Identify by description.
16
Geology
Undergraduate 1
10/02/2012

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Term
lateral cutting
Definition
stage II/Mature
Term
well-developed floodplain over which the river meanders in broad loops. The floodplain will be several times the width of the meander belt; HIGHLY MEANDERING!
Definition
Stage III/Old Age
Term
Stream channel meanders as in old age.
Definition
Rejuvenation
Term
Valleys have v-shaped cross-sections
Definition
Stage I/Youth
Term
Downcutting, since well above base level
Definition
Stage I/Youth
Term
Valleys extended by erosion to produce a well-integrated drainage system. Slopes dominate.
Definition
Stage II/Mature
Term
Waterfalls; steep, irregular gradient
Definition
Stage I/Youth
Term
The meandering river channel will occupy steep-walled valleys with little or no floodplains called incised or entrenched meanders.
Definition
Rejuvenation
Term
Residual hills not eroded yet=monadnock
Definition
Stage III/Old age
Term
Slow lateral cutting, closer to base level
Definition
Stage III/Old age
Term
Upland areas (divides) will be sharp and ridge-like. This is as time of maximum relief.
Definition
Stage II/Mature
Term
Narrow floodplains with meandering rare or absent
Definition
Stage I/Youth
Term
Interrupted by uplift
Definition
Rejuvenation
Term
Uplift << Erosion
Definition
Stage III/Old age
Term
Uplift > Erosion
Definition
Stage I/Youth
Term
Uplift~=~Erosion
Definition
Stage II/Mature
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