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Questions and Answers
Which of the following is the most significant cause of coastal erosion?
Which of the following is the most significant cause of coastal erosion?
- Human activities along the coast
- Sea level rise (correct)
- Strong winds blowing inland
- Flooding caused by heavy rainfall
How much does the US government spend annually on erosion control measures?
How much does the US government spend annually on erosion control measures?
- $50 million
- $150 million (correct)
- $100 million
- $200 million
What is the most common method to mitigate coastal erosion?
What is the most common method to mitigate coastal erosion?
- Beach nourishment (correct)
- Dredging and excavation
- Building seawalls
- Relocating buildings away from the coast
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Study Notes
- Coastal erosion is caused by sea level rise, strong waves, and flooding.
- All coastlines are affected by erosion, worsened by global sea level rise.
- Storm surge and strong waves from tropical storms cause the most damage.
- Coastal erosion costs the US roughly $500 million per year in property loss.
- The federal government spends $150 million annually on erosion control measures.
- More than 80,000 acres of coastal wetlands are lost every year in the US.
- The US lost an area of wetlands larger than Rhode Island between 1998 and 2009.
- Beach nourishment is a common method to mitigate coastal erosion.
- There is no one-size-fits-all solution to coastal erosion.
- Long Island's South Shore experienced severe beach erosion and damage from a nor'easter in November.
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