Mississippi River Delta

deltaMississippi DeltaBirdfoot DeltaPlaquemines-Balize deltaBalize DeltaDelta CountryLouisiana DeltaMississippiMississippi floodplainsMississippi Regional Watershed
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States.wikipedia
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Mississippi River

MississippiMississippi ValleyMississippi Basin
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States. The Mississippi River Delta is the 7th largest river delta on Earth (USGS) and is an important coastal region for the United States, containing more than 2.7 e6acre of coastal wetlands and 37% of the estuarine marsh in the conterminous U.S. The coastal area is the nation's largest drainage basin and drains about 41% of the contiguous United States into the Gulf of Mexico at an average rate of 470000 cuft/s.
From its traditional source of Lake Itasca in northern Minnesota, it flows generally south for 2320 mi to the Mississippi River Delta in the Gulf of Mexico.

Gulf of Mexico

GulfGulf CoastMexican Gulf
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States.

Mississippi embayment

Mississippi River ValleyMississippidelta
The formation of the Mississippi River Delta can be traced back to the late Cretaceous Period, approximately 100 million years ago, with the creation of the Mississippi embayment.
It is essentially a northward continuation of the fluvial sediments of the Mississippi River Delta to its confluence with the Ohio River at Cairo, Illinois.

Plaquemines Parish, Louisiana

Plaquemines ParishPlaqueminesPlaquemine
The Mississippi River Delta of Plaquemines is also a base for assistance to offshore oil rigs.

River delta

deltadeltaicdeltas
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States. The Mississippi River Delta is the 7th largest river delta on Earth (USGS) and is an important coastal region for the United States, containing more than 2.7 e6acre of coastal wetlands and 37% of the estuarine marsh in the conterminous U.S. The coastal area is the nation's largest drainage basin and drains about 41% of the contiguous United States into the Gulf of Mexico at an average rate of 470000 cuft/s.

Land loss

wetland losslossLoss of green space
As the river changed course, the natural flow of freshwater and sediment changed as well, resulting in periods of land building and land loss in different areas of the delta.
The large delta plains of the world, including the Danube, Ganges, Brahmaputra, Indus, Mahanadi, Mangoky, McKenzie, Mississippi, Niger, Nile, Shatt el Arab, Volga, Yellow, Yukon, and Zambezi deltas, have all suffered significant land loss as the result of either coastal erosion, internal conversion of wetlands to open water, or a combination of both.

La Balize, Louisiana

La BalizeBalizeFort de la Balize
In 1699 the French built their first crude fort at La Balize, on the Southeast Pass in Pass á Loutre, to control passage on the Mississippi.
The active delta lobe of the river's mouth is called the Balize Delta, after the settlement, or the Birdfoot Delta, because of its shape.

Atchafalaya River

AtchafalayaAtchafalaya Basin ProjectAtchafalaya Basin
The Atchafalaya River is the largest distributary of the Mississippi River and is also considered to be an influential part of the continual land-building processes within the Mississippi River Delta.

Baton Rouge, Louisiana

Baton RougeBaton Rouge, LABâton Rouge
The Baton Rouge area owes its historical importance to its strategic site upon the Istrouma Bluff, the first natural bluff upriver from the Mississippi River Delta at the Gulf of Mexico.

New Orleans

New Orleans, LouisianaNew Orleans, LAOrleans Parish
From 1910 to 1920, New Orleans became the birthplace of jazz and since has continued its legacy of being home to budding musicians and new musical experiences, tying music directly to its unique culture and diverse heritage.
New Orleans is located in the Mississippi River Delta, south of Lake Pontchartrain, on the banks of the Mississippi River, approximately 105 mi upriver from the Gulf of Mexico.

Wax Lake

Wax Lake Delta
The 1973 growth is known as the Wax Lake Outlet.
In the time since Hurricane Katrina, it has also served and as a model for delta regrowth in the Mississippi River Delta region in order to restore habitat and protect against storm surge.

Mississippi Valley Division

Mississippi River CommissionMississippi River and Tributaries ProjectU.S. Army Corps of Engineers, Memphis Office
Levees were built prior to 1927, but a majority came after the 1927 river flood when the Flood Control Act of 1928 authorized the Mississippi River and Tributaries Project.
The MR&T project provides for control of floods of the Mississippi River from Head of Passes to vicinity of Cape Girardeau, Missouri, control of floods of the tributaries and outlets of the Mississippi River as they are affected by its backwaters, and improvement for navigation of the Mississippi River from Baton Rouge, Louisiana, to Cairo, Illinois.

Louisiana

LAState of LouisianaLouisiana, USA
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States.

Southeastern United States

SoutheastSoutheasternSoutheast United States
The Mississippi River Delta is the river delta at the confluence of the Mississippi River with the Gulf of Mexico, in Louisiana in the southeastern United States.

Vermilion Bay (Louisiana)

Vermilion BayVermilion Bay, LouisianaVermillion Bay
It is a 3 e6acre area of land that stretches from Vermilion Bay on the west, to the Chandeleur Islands in the east, on Louisiana's southeastern coast.

Chandeleur Islands

ChandeleurChandeleur Chain
It is a 3 e6acre area of land that stretches from Vermilion Bay on the west, to the Chandeleur Islands in the east, on Louisiana's southeastern coast.

American Mediterranean Sea

It is part of the American Mediterranean Sea and the Louisiana coastal plain, one of the largest areas of coastal wetlands in the United States.

United States Geological Survey

USGSU.S. Geological SurveyUSGS 7.5' topographic map
The Mississippi River Delta is the 7th largest river delta on Earth (USGS) and is an important coastal region for the United States, containing more than 2.7 e6acre of coastal wetlands and 37% of the estuarine marsh in the conterminous U.S. The coastal area is the nation's largest drainage basin and drains about 41% of the contiguous United States into the Gulf of Mexico at an average rate of 470000 cuft/s.

Tidal marsh

coastal marshestuarine marshtidal salt marshes
The Mississippi River Delta is the 7th largest river delta on Earth (USGS) and is an important coastal region for the United States, containing more than 2.7 e6acre of coastal wetlands and 37% of the estuarine marsh in the conterminous U.S. The coastal area is the nation's largest drainage basin and drains about 41% of the contiguous United States into the Gulf of Mexico at an average rate of 470000 cuft/s.

Levee

dikedikesdyke
Prior to the extensive leveeing of the Mississippi River that began in the 1930s, the river avulsed its course in search of a shorter route to the Gulf of Mexico approximately every 1,000–1,500 years.

Avulsion (river)

avulsionavulsedavulse
This process by which the river changes course is known as avulsion, or delta-switching, and forms the variety of landscapes that make up the Mississippi River Delta.

Distributary

distributariesdelta channelbifurcates
The Atchafalaya River is the largest distributary of the Mississippi River and is also considered to be an influential part of the continual land-building processes within the Mississippi River Delta.

Cretaceous

Cretaceous PeriodMiddle CretaceousEarly Cretaceous
The formation of the Mississippi River Delta can be traced back to the late Cretaceous Period, approximately 100 million years ago, with the creation of the Mississippi embayment.

Paleogene

PalaeogenePaleogene PeriodLower Tertiary
During the Paleogene Period (approx.