b. Meander scars along the side of
the Eagle River.
Figure 4 (cont'd).
Table 1. Summer erosional processes.
Table 2. Winter erosional processes.
Morphological
Morphological
unit
Processes
unit
Processes
Marshes
Ice plucking
Marshes
Currents (rare)
Wind waves (rare)
Ponds
Freeze-on and ice plucking
Ponds
Wind waves
Tidal currents
Ice shove
Wind currents
Debris impacts (e.g., logs)
Ice scour
Ducks and other
Bioturbation
Gullies
Plunge pool undercutting
bottom-feeding
Freezethaw cycling
organisms
Ice segregation and thaw
Gullies
Currents
Ground water
Ice directed current scour
tidal
piping
Mudflats
Ice plucking
runoff
sapping
Ice shove (floatingexpansion)
Overland flow
Gravitational slope processes
Ice scour
sheet
slump
Ice cover confined scour
rill
block collapse
Freezethaw cycling
Wind waves
sediment gravity flow
Levees
Ice scour
Mudflats
Currents
Debris impacts (e.g., logs)
Freezethaw cycling
wind
Rain drop impact
Ice shove
tidal
Bioturbation
Ice-directed current scour
Overland flow
Coast
Ice plucking
sheet
Ice shove (floatingexpansion)
rill
Ice scour
Levees
Currents
Debris impacts
Ice block confined scour
tidal
Wind waves
Freezethaw cycling
river
Current scour
Coast
Current scour
Debris impacts
Wind waves
Wind waves
Overland flow
5
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