About This Chapter
Coastal Features & Adaptation - Chapter Summary
Coastal features and adaptation are discussed in this chapter. You'll be able to study the problems facing shorelines, as well as possible solutions. Our lessons will help you improve your understanding of:
- Waves, shorelines and beaches
- Longshore transport
- How coastal erosion and deposition affect shoreline features
- Causes and effects of changes in sea level
- Hard stabilization, beach nourishment and relocation
Familiarize yourself with the important features of coastlines by watching our engaging video lessons. You can test your understanding of this subject by completing the interactive quizzes that go with each lesson. If you have questions about dangers to the coastline, or possible solutions to these problems, you can contact our expert instructors for help.
1. Waves: Types, Features & Effect on Erosion
There are different types of ocean waves, including wind waves, tsunamis and tidal waves. Learn the features of waves and how their erosive effect creates the unique features found on the shoreline.
2. Characteristics of Shorelines & Beaches
Shorelines and beaches are constantly changing due to forces, such as waves, winds and currents. Learn about characteristics of shorelines, including headlands, bays, beach berms, sand dunes, spits, tombolos, barrier islands and lagoons.
3. Contributing Factors of Longshore Transport: Beach Drift & Longshore Current
The longshore transport is the process responsible for the movement of sand and sediment along the coastline. Sand and other particles are transported with the help of the longshore current and beach drift. Learn how these factors shape shorelines.
4. The Effects of Coastal Erosion on Shoreline Features
Shorelines constantly change due to the pounding of waves that erode coastal structures. Learn about shoreline features that are formed through coastal erosion, such as wave-cut cliffs, wave-cut platforms, sea arches and sea stacks.
5. The Effects of Deposition on Shoreline Features
Shorelines constantly change due to the depositing of sand and sediment, which is a process known as deposition. Learn about shoreline features that are created by deposition, such as spits, baymouth bars, tombolos and barrier islands.
6. Changes in Sea Level: Causes & the Effect on the Environment
Sea level rise is a natural process, but recent trends are concerning because it is increasing at an alarming rate. In this lesson, you'll learn what causes changes in sea level and what effect rising sea level has on humans and the environment.
7. Using Hard Stabilization on Shorelines
Shorelines erode under the force of waves. This changes beaches and can result in property damage. Learn about hard stabilization structures, such as groins, breakwaters and sea walls and how they are used to protect against erosion.
8. Alternatives to Hard Stabilization: Beach Nourishment & Relocation
Coastal areas are subject to erosion from waves and wind. Hard stabilization slows erosion but disturbs the aesthetic beauty of the shore and alters the natural ecosystem. Learn here about alternatives, including beach nourishment and relocation.
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