Factoid/2018/04/12
From Beachapedia
< Beachapedia:Factoid | 2018 | 04
Dams Cause Wetland Loss and Seafloor Erosion in Southeast
- "Scientists have discovered that the seafloor from the Mississippi River Delta to the Gulf of Mexico is eroding like the land loss that is occurring on the Louisiana coast. During the 20th century, thousands of dams were built on Mississippi River tributaries stopping the flow of fine silt, clay and other sediment from reaching the delta and seafloor to offset erosion. Without this sediment, land -- in the form of wetlands and the seafloor -- is lost, which threatens offshore and inland infrastructure in the face of waves, hurricanes and surge, or flooding, from storms. Land loss also affects marine plants and animals as well as how pollution is absorbed and broken down." - Excerpt from Louisiana State University.
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