From the US Geological Survey website, some info about coastal erosion:
Intense storms and higher seas create more winds, waves, and floods, leading to increased coastal erosion. Hurricanes can wash away sandy barrier islands, leaving coastlines and islands unprotected from storm surge. Waves and winds can carry away beach sand little by little, shrinking scenic beaches. Erosion also exposes human infrastructure and sensitive archeological sites to tides and storms. Many beaches along the Nation’s coastline have lost more than six feet of shoreline a year over the last century. Coastal erosion estimates for much of the country are expected to increase in coming decades. (Source: USGS)
Here’s another fact: The State of Louisiana, home to New Orleans, is losing land faster than any other state in the USA. It has the highest rate wetlands loss in the USA, accounting for 80 percent of the nation’s coastal wetland loss. The USGS estimates that Louisiana has lost approximately 1,900 square miles (almost 5,000 square km) of its coast since 1932. (Source: https://ready.nola.gov/hazard-mitigation/home/)
1. Intense storms and higher seas create more winds, waves, and floods, leading to increased coastal erosion.
2. Hurricanes can wash away sandy barrier islands, leaving coastlines and islands unprotected from storm surge.
3. Waves and winds can carry away beach sand little by little, shrinking scenic beaches.
4. Erosion also exposes human infrastructure and sensitive archeological sites to tides and storms.
5. Many beaches along the Nation’s coastline have lost more than six feet of shoreline a year over the last century.
6/ Coastal erosion estimates for much of the country are expected to increase in coming decades.
7. Here’s another fact: The State of Louisiana, home to New Orleans, is losing land faster than any other state in the USA.
8. It has the highest rate wetlands loss in the USA, accounting for 80 percent of the nation’s coastal wetland loss.
9. The USGS estimates that Louisiana has lost approximately 1,900 square miles (almost 5,000 square km) of its coast since 1932.
Source: https://www.usgs.gov/science/science-explorer/climate/coasts-storms-and-sea-level-rise
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