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Example of land loss in coastal Louisiana between 1932 and 2011; detail of Port Fourchon area. Coastal erosion in Louisiana is the process of steady depletion of wetlands along the state's coastline in marshes, swamps, and barrier islands, particularly affecting the alluvial basin surrounding the mouth of the Mississippi River.
Land loss in coastal Louisiana 1932 vs 2011 Population density and low elevation coastal zones in Louisiana Aftermath of Hurricane Laura, Lake Charles. According to the EPA: "Rising sea level is likely to accelerate coastal erosion caused today by sinking land and human activities. The sediment washing down the Mississippi River created the ...
Wind gusts of 60 to 80 mph pounded south-central and southeast Louisiana Wednesday evening, downing trees and power lines in multiple parishes, including Terrebonne, Lafourche and St. James.
The levees were originally designed to prevent damage caused by seasonal flooding. Today, the floodwalls atop the 17th Street and London Avenue Canals are used for drainage, to pump water from the city streets out to Lake Pontchartrain. These floodwalls are one foot (300 mm) wide at the top and widened to two feet (600 mm) at the base.
Restoration of an island in Louisiana's fragile coastal area is proving wildly popular with the birds it was rebuilt for, their numbers exploding on the recently added land, authorities said ...
Louisiana bore the brunt of the outages, with more than 58,000. The South has been battered by several rounds of rain and severe thunderstorms over the past week.
On non-rocky coasts, coastal erosion results in rock formations in areas where the coastline contains rock layers or fracture zones with varying resistance to erosion. Softer areas become eroded much faster than harder ones, which typically result in landforms such as tunnels, bridges, columns, and pillars. Over time the coast generally evens out.
"Between 2019 and 2021, Louisiana had eight tropical storms or hurricane landfalls, including major hurricanes Laura and Ida," noted Alyssa Glenny, AccuWeather meteorologist, in an online report.