The Bonnet Carré Spillway directs floodwaters into. To help protect the region, the spillway is. Louisiana’s levee system also includes dams, reservoirs, and. One unintended effect of flood control is the loss of.

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain.