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Landforms made by running water

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by

Vanina ODG

on 27 August 2013

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Transcript of Landforms made by running water

APPROACHES
Landforms made by running water

Chapter 15

Introducing Physical Geography
by Alan Strahler

SLOPE
EROSION
FLUVIAL
LANDSCAPES

THE WORK
OF STREAMS
AND STREAM
GRADATION

CAUSES
Fluvial processes
- overland flow
(size of particles)

- stream flow
Landforms
- erosional
- depositional
Erosion rate (geologic norm)
vs.
Accelerated soil erosion
- causes
- splash erosion
- sheet erosion
- rill erosion
Colluvim
vs.
Alluvium
In (semi)arid
environments
(badlands)
Stream erosion
- hydraulic action
- abrasion
- corrosion
Stream transportation
(stream capacity)
Stream
gradation
Landscape evolution
of a graded stream
Great
waterfalls
Aggration
and
alluvial terraces
Alluvial rivers
and
floodplains
Entrenched
meanders
Fluvial processes
in arid climates
The landscape of
mountainous deserts
The Geographic Cycle
William Morris:
- youthful stage
- mature stage
- old age
- rejuvenation
Equilibrium
approach
Full transcript