Coastlines

I. Waves

A. Wave anatomy

A. Wave anatomy

I. Waves

A. Wave anatomy

B. Wave Erosion

• Corrosion, 2) Abrasion, 3) Hydraulic Action

I. Waves

A. Wave anatomy

B. Wave Erosion

• Corrosion, 2) Abrasion, 3) Hydraulic Action

C. Wave Refraction & Longshore Currents

C. Wave Refraction & Longshore Currents

C. Wave Refraction & Longshore Currents

C. Wave Refraction & Longshore Currents

DEMO

I. Waves

A. Wave anatomy

B. Wave Erosion

• Corrosion, 2) Abrasion, 3) Hydraulic Action

C. Wave Refraction & Longshore Currents

D. Rip Currents

D. Rip Currents

Rip currents

II. Beach Morphology A. The profile

B. Summer vs. Winter profiles

III. Shoreline Features

A. Erosional

III. Shoreline Features

A. Erosional

1. wave cut platforms

1. wave cut benches and sea cliffs

1. wave cut benches and sea cliffs

1. wave cut benches and sea cliffs

III. Shoreline Features

A. Erosional

1. wave cut platforms

2. sea arches and sea caves

2. sea arches and sea caves

sea archsea cave

headland

2. sea arches and sea caves

III. Shoreline Features

A. Erosional

1. wave cut platforms

2. sea arches and sea caves

3. sea stacks

3. Sea stacks

3. Sea stacks

III. Shoreline Features

A. Erosional

1. wave cut platforms

2. sea arches and sea caves

3. sea stack

4. fjord

fjord

fjord

III. Shoreline Features

B. Depositional

III. Shoreline Features

B. Depositional

1. Spit

2. Baymouth Bar

1. Spit

2. Baymouth Bar

Spits and Baymouth Bars

Spits and Baymouth Bars

III. Shoreline Features

B. Depositional

1. Spit

2. Baymouth Bar

3. Tombolo

3. Tombolo

3. Tombolo

III. Shoreline Features

B. Depositional

1. Spit

2. Baymouth Bar

3. Tombolo

4. Barrier Islands

4. Barrier Islands

4. Barrier Islands

CapeHatteras

CapeLookout

4. Barrier Islands

Hatteras Island between the villages of Hatteras (ahead) and Frisco

Hatteras Island between the villages of Hatteras (ahead) and Frisco

Aerial view of development in Kitty Hawk, N.C., on the Outer Banks.

IV. Emerging and Submerging Coastlines

Emerging

Submerging

Estuaries

Submerging Salt water marsh

V. Coastal Erosion

1. groins

2. jetties

Jetties

3. breakwater

4. Sea wall

E. Beach Nourishment

E. Beach Nourishment

E. Beach Nourishment