Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the...

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Coastal Landforms Coastal Landforms Erosional Features

Transcript of Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the...

Page 1: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Coastal LandformsCoastal Landforms

Erosional Features

Page 2: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Cliff and Wave-cut Platform

Active wave erosion between the high water mark and low water markNotch

Page 3: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Cliff and Wave-cut platform

Basal undercutting;notch enlarge

Rock above notch collapse

Cliff retreats

Page 4: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Cliff

Cliff retreats

Wave-cut platform enlarges

Cliff and Wave-cut platform

Wave-built terrace

Page 5: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, blow hole and geo

Active erosion

Line of weakness

Page 6: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, blow hole and geo

Sea caveat the base of the cliff

Sea cave

Cliff

Page 7: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, blow hole and geo

Lines of weakness

Sea caveenlarges

Hydraulic action continues

Page 8: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, blow hole and geo

Blow hole

Sea cave

Blow hole

Sea cave

A tunnel is formed

Page 9: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, blow hole and geo

Roof of cave collapses

Geo (a steep-sided narrow inlet)

Page 10: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, sea arch and sea stack

Line of weakness

CavesCaves

Page 11: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, sea arch and sea stack

ArchA tunnel formed

Page 12: Coastal Landforms Erosional Features Cliff and Wave-cut Platform Active wave erosion between the high water mark and low water mark Notch.

Sea cave, sea arch and sea stack

Arch collapsesSea stack

Arch collapses