Mississippi Sound

noun

1. an arm of the Gulf of Mexico, extending from Lake Borgne, SE Louisiana, to Mobile Bay, SW Alabama: part of the Intracoastal Waterway. About 100 miles (160 km) long.

Example Sentences

“The massive volumes of polluted fresh water diverted through the Bonnet Carré Spillway and into the Mississippi Sound caused direct and indirect mortality of resident bottlenose dolphins,” the lawsuit says.

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Opening the spillway diverts Mississippi River water to Lake Pontchartrain and Lake Borgne, after which it flows to the Mississippi Sound in the Gulf of Mexico.

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However, opening the spillway also carries pollutants and nutrients into the Mississippi Sound and reduces salinity.

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“The Coast finally has a foot in the door through the National Marine Fisheries Service for our voices and scientific facts to be heard to prevent the death of the Mississippi Sound,” Gilich said.

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That state’s oyster stocks, already in sharp decline, collapsed after the Mississippi Sound was swamped by Mississippi River floodwaters released through the Bonnet Carre Spillway in 2019.

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