Bonnet Carre Spillway

May 9, 2011 by USA Post 

Bonnet Carre SpillwayBonnet Carre Spillway, U.S. Army Corps of Engineers will open the bonnet Carre Spillway to relieve some pressure on the Mississippi River. Crews will begin their work at 8 am According to the Corps, which will take about 30 minutes to open 10 bays of the flood control structure is sent river water into Lake Pontchartrain. A coastal scientist says FOX 8, will open several changes in the lake, including algae blooms and fish kills.

Many families enjoyed the Mother’s Day along the banks of the lake from New Orleans on Sunday. “We come here with our fishing poles, drink some wine, watch the sun. It’s just a good place to relax,” said Vicki Roberts, Harvey.

“We take sea bass and drum, small red fish. Occasional speckled trout,” said Stephen Fisher, also of Harvey.

After Monday when the body starts to send fresh river water in the brackish water lake fishery that are used to seeing on the lake migrate to areas that are more accustomed to the coast according to scientist John Lopez, Ph.D. D., the quality of Foundation Executive Director of the Lake Pontchartrain Basin. “That’s going to be around Chef and Rigolets passes. Some may come out in the swamps in the North or the South Coast,” said Lopez.

While some fisheries will be displaced, Lopez said that the species found in the river would take over as the freshwater catfish, carp and some low, probably along the edges of the marshes.

That is not the only change we see in the lake. Lopez said that the food enters the freshwater lake, is more than the proliferation of algae is likely to form and could be extended. It’s something that happened in 1997; the last time there was a complete opening of the Bonnet Carre spillway. “The lake, literally, a good part of what looked like pea soup. Dark. Really dull green waves breaking on the coast,” said Lopez. “It sounds terrible, but it is a relatively transient phenomenon. From the Lake of changing of the tides, nutrients are recycled out and salinity is cycled back into the lake,” he said.

It may take four to six months for the lake return to its normal state and in the meantime, Lopez said it could be the death of fish. “There is very little movement in kind from the pockets of the coast and in ports, and oxygen can be very low, and if the fish could not leave fast enough, they will die,” said Lopez.

Fisher understands why the body is the opening of the landfill, and what might change, but says it will not prevent the casting along the shore. “They will open the landfill. It is in poor condition for some time, and will clean it. He always does,” Fisher said.

Whenever you see a bloom of algae, coastal scientists recommend that you avoid swimming or water skiing. Lopez said some of the algae produce a neuro-toxin that can affect the nervous system of a person depending on the quantity produced.

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