Levees and other flood-control measures in Louisiana are causing the Mississippi delta to sink into the Gulf of Mexico.

Question

Quizplus · Accepted Answer

Levees and other flood-control measures prevent the natural deposition of sediment by the Mississippi River, which historically built up the delta. Without new sediment to replenish it, the land sinks or subsides, contributing to the delta's loss into the Gulf of Mexico.

Levees and Other Flood-Control Measures in Louisiana Are Causing the Mississippi