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GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

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Page 1: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

GEOL 1307 Physical Geology

Exercise #16Evolution of Coastal Landforms

Page 2: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms
Page 3: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Waves

WavelengthCrestTroughAmplitude

Period

Frequency

Page 4: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Ocean Waves

The Water Isn’t Moving (how ocean waves work)

Refraction (why ocean waves break)

Page 5: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Wave Erosion

Wave-Cut Notch

Sea-Cliffs

Wave-Cut Platforms

Sea-Stacks

Page 6: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Sediment Transport

Waves

Longshore Current

Tides

Page 7: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Depositional Features

BeachesBarrier IslandsPeninsulasSpitsBarsHummocks

Page 8: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Barrier Island Formation

Page 9: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Bays and Wetlands

EstuariesBaysLagoons

MarshesSalt MarshBrackish MarshFresh Marsh

SwampsCoastal Prairie

Page 10: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Evolution of Coastal Landscapes

Emergent Coasts

Submergent Coasts

Page 11: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Types of Coastlines

Siliciclastic CoastsHumidSediment Supply

Carbonate CoastsAridEvaporation

Page 12: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Stages of Coastal Modification

Initial Stage of Shoreline Modification\

Intermediate Stage of Shoreline Modification

Terminal Stage of Shoreline Modification

Page 13: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

Sequence Stratigraphy

Transgressive Sea-LevelSubmergent CoastlinesErosional Features

Regressive Sea-LevelEmergent CoastlinesAggradation

Page 14: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms

The Future of the Gulf Coast

Global Warming

Sea-Level Rise

Barrier Island Migration

Environmental Engineering

Page 15: GEOL 1307 Physical Geology Exercise #16 Evolution of Coastal Landforms