About This Chapter
Basics of Coastal Hazards - Chapter Summary
Whether you have a little or a lot of knowledge about the basics of coastal hazards, this chapter can help you gain full comprehension. Review fun video lessons to enhance your understanding of hurricanes, tsunamis and coastal erosion. Also, strengthen your knowledge of deposition and hard stabilization. When finished, you will be ready to:
- Define and discuss the formation of a hurricane
- List categories and describe the effects of hurricanes
- Share the causes and effects of a tsunami
- Describe the impact of coastal erosion and deposition on shoreline features
- Discuss the use of hard stabilization on shorelines
- Identify and describe alternatives to hard stabilization
Lessons are accessible as entertaining videos that average 8 minutes each and full transcripts that you can read online or print out. Use one or both formats when reviewing the lessons based on your learning and study preferences. If you need additional information about any topics covered in the lessons, don't hesitate to send questions to our experts. Find out how much you understand about the basics of coastal hazards by taking mini lesson quizzes and a practice chapter exam.
1. What Is a Hurricane? - Definition and Formation
Hurricanes are powerful storms with sustained winds over 74 miles per hour. They form over warm ocean waters. Learn facts about hurricanes, including how they form, why they rotate and how they get stronger.
2. Hurricanes: Categories and Effects
Hurricanes are strong storms with sustained winds of more than 74 mph. There are 5 categories based on wind speed, with a Category 1 hurricane creating the least damage and a Category 5 creating the most. Learn about hurricanes and their destruction.
3. The Causes & Effects of a Tsunami
A tsunami is a powerful series of waves that result due to an abrupt disturbance, such as an earthquake. Learn how tsunamis form and grow and discover the devastating effects they can have on people and the environment.
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. 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.
7. 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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