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The Mississippi River Delta is the confluence of the Mississippi River with the Gulf of Mexico in Louisiana, southeastern United States. The river delta is a three-million-acre (4,700 sq mi; 12,000 km 2 ) area of land that stretches from Vermilion Bay on the west, to the Chandeleur Islands in the east, on Louisiana's southeastern coast. [ 1 ]
The shifting river delta at the mouth of the Mississippi on the Gulf Coast lies some 300 miles south of this area in Louisiana, and is referred to as the Mississippi River Delta. Rather, the Mississippi Delta is part of an alluvial plain, created by regular flooding of the Mississippi and Yazoo rivers over thousands of years. The climate is ...
Mississippi River Delta and Sediment Plume. The Mississippi River Delta was created from thousands of years of sand, clay and organic material being deposited by the Mississippi River into the northern parts of the Gulf of Mexico. The delta is home to massive amounts of wildlife, and attributed to the U.S. success as a superpower because of the ...
While the majority of the discharge of the Mississippi River flows through these mouths, a portion of the river flows out of the Atchafalaya River mouth, and a small portion continues to seep out of the 200 miles (300 km) of the Delta shoreline. [3] During the American Civil War, Head of Passes was the site of several naval battles.
The Mississippi River [b] is the primary river of the largest drainage basin in the United States. [c] [15] [16] From its traditional source of Lake Itasca in northern Minnesota, it flows generally south for 2,340 miles (3,766 km) [16] to the Mississippi River Delta in the Gulf of Mexico.
Mississippi River-Gulf Outlet Canal The Mississippi River Alluvial Plain is an alluvial plain created by the Mississippi River on which lie parts of seven U.S. states , from southern Louisiana to southern Illinois (Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, Louisiana).
The modern Mississippi River delta is a good example of a fluvial-dominated delta whose outflow is buoyancy-dominated. Channel abandonment has been frequent, with seven distinct channels active over the last 5000 years. Other fluvial-dominated deltas include the Mackenzie delta and the Alta delta. [14]
An example of a deltaic lobe is the bird's-foot delta of the Mississippi River, pictured at right with its sediment plumes. As the deltaic lobe advances, the slope of the river channel becomes lower, as the river channel is longer but has the same change in elevation. As the slope of the river channel decreases, it becomes unstable for two reasons.