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Atchafalaya River
The Atchafalaya River ( french: La Rivière Atchafalaya, es, Río Atchafalaya) is a distributary of the Mississippi River and Red River in south central Louisiana in the United States. It flows south, just west of the Mississippi River, and is the fifth largest river in North America, by discharge. The name ''Atchafalaya'' comes from Choctaw for 'long river', from , 'river', and , 'long'. Atchafalaya Basin The Atchafalaya River is navigable and provides a significant industrial shipping channel for the state of Louisiana. It is the cultural heart of the Cajun Country. The maintenance of the river as a navigable channel of the Mississippi River has been a significant project of the U.S. Army Corps of Engineers for more than a century. Natural development of the river channel, coupled with channel training and maintenance for flood control and navigation, have combined to isolate the river from the swamp. The river valley forms the Atchafalaya Basin and Atchafalaya Swamp lo ...
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Choctaw
The Choctaw (in the Choctaw language, Chahta) are a Native American people originally based in the Southeastern Woodlands, in what is now Alabama and Mississippi. Their Choctaw language is a Western Muskogean language. Today, Choctaw people are enrolled in three federally recognized tribes: the Choctaw Nation of Oklahoma, Mississippi Band of Choctaw Indians, and Jena Band of Choctaw Indians in Louisiana. The Choctaw were first noted by Europeans in French written records of 1675. Their mother mound is Nanih Waiya, a great earthwork platform mound located in central-east Mississippi. Early Spanish explorers of the mid-16th century in the Southeast encountered ancestral Mississippian culture villages and chiefs. The Choctaw coalesced as a people in the 17th century and developed at least three distinct political and geographical divisions: eastern, western, and southern. These different groups sometimes created distinct, independent alliances with nearby European powers. These i ...
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Geomorphology Of Old River
Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or near Earth's surface. Geomorphologists seek to understand why landscapes look the way they do, to understand landform and terrain history and dynamics and to predict changes through a combination of field observations, physical experiments and numerical modeling. Geomorphologists work within disciplines such as physical geography, geology, geodesy, engineering geology, archaeology, climatology, and geotechnical engineering. This broad base of interests contributes to many research styles and interests within the field. Overview Earth's surface is modified by a combination of surface processes that shape landscapes, and geologic processes that cause tectonic uplift and subsidence, and shape the coastal geography. Surface processes compr ...
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Atchafalaya Basin Bridge
The Atchafalaya Basin Bridge, also known as the Louisiana Airborne Memorial Bridge, is a pair of parallel bridges in the U.S. state of Louisiana between Baton Rouge and Lafayette which carries Interstate 10 over the Atchafalaya Basin. With a total length of , it is the 3rd longest bridge in the US, the 2nd longest on the interstate system, and 14th-longest in the world by total length. The bridge was opened to the public in 1973, construction was said to have begun in 1971. At the time of its completion, it was the second longest bridge in the United States, behind the Lake Pontchartrain Causeway Bridge. The bridge includes two exits: one for Whiskey Bay ( Louisiana Highway 975) and another for Butte La Rose (LA 3177). While the bridges run parallel for most of their length, they merge when crossing the Whiskey Bay Pilot Channel and the Atchafalaya River. The average daily traffic count is (as of 2015) 30,420 vehicles. Accidents occur frequently near the two river crossings as ...
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Atchafalaya National Heritage Area
Atchafalaya National Heritage Area is a federally designated National Heritage Area encompassing parts of fourteen parishes along the Atchafalaya River in the U.S. State of Louisiana. The heritage area extends the length of the Atchafalaya Basin from the area of Ferriday in the north to the river's mouth beyond Morgan City. The National Heritage Area is divided into four regions: Upper, Between 2 Rivers, Bayou Teche Corridor and the Coastal Zone. The designation provides a framework for the promotion and interpretation of the area's cultural and historic character, and the preservation of the natural and built environment. The heritage area designation recognizes the area's unique environment and culture, and its contributions to music, English and French language, literature, and cuisine. Major locales included in the Heritage Area include Avery Island, New Iberia, Morgan City, Lafayette, Opelousas, Baton Rouge, Plaquemine and Houma. Jean Lafitte National Historical Park, Lon ...
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Geology (journal)
''Geology'' is a peer-reviewed publication of the Geological Society of America (GSA). GSA says (ISSN 0091-7613) that it is the most widely read scientific journal in the field of earth science. It is published monthly, with each issue containing 20 or more articles. One of the goals of the journal is to provide a forum for shorter articles (four pages each) and less focus on purely academic research–type articles. According to the ''Journal Citation Reports'', the journal had a 2020 impact factor of 5.399. The editorial board is very diverse. The journal is indexed in Scopus and SCImago. See also *List of scientific journals *List of scientific journals in earth and atmospheric sciences A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ... References External links *
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Atchafalaya Bay
The Atchafalaya Basin, or Atchafalaya Swamp (; Louisiana French: ''L'Atchafalaya'', ), is the largest wetland and swamp in the United States. Located in south central Louisiana, it is a combination of wetlands and river delta area where the Atchafalaya River and the Gulf of Mexico converge. The river stretches from near Simmesport in the north through parts of eight parishes to the Morgan City southern area. The Atchafalaya is different among Louisiana basins because it has a growing delta system (''see illustration'') with wetlands that are almost stable. The basin contains about 70% forest habitat and about 30% marsh and open water. It contains the largest contiguous block of forested wetlands remaining (about 35%) in the lower Mississippi River valley and the largest block of floodplain forest in the United States. Best known for its iconic cypress-tupelo swamps, at , this block of forest represents the largest remaining contiguous tract of coastal cypress in the United ...
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Levee
A levee (), dike (American English), dyke (English in the Commonwealth of Nations, Commonwealth English), embankment, floodbank, or stop bank is a structure that is usually soil, earthen and that often runs parallel (geometry), parallel to the course of a river in its floodplain or along low-lying coastlines. The purpose of a levee is to keep the course of rivers from changing and to protect against flooding of the area adjoining the river or coast. Levees can be naturally occurring ridge structures that form next to the bank of a river, or be an artificially constructed fill dirt, fill or wall that regulates water levels. Ancient civilizations in the Indus Valley civilisation, Indus Valley, ancient Egypt, Mesopotamia and China all built levees. Today, levees can be found around the world, and failures of levees due to erosion or other causes can be major disasters. Etymology Speakers of American English (notably in the Midwestern United States, Midwest and Deep South) u ...
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Meander
A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex bank which is typically a point bar. The result of this coupled erosion and sedimentation is the formation of a sinuous course as the channel migrates back and forth across the axis of a floodplain. The zone within which a meandering stream periodically shifts its channel is known as a meander belt. It typically ranges from 15 to 18 times the width of the channel. Over time, meanders migrate downstream, sometimes in such a short time as to create civil engineering challenges for local municipalities attempting to maintain stable roads and bridges.Neuendorf, K.K.E., J.P. Mehl Jr., and J.A. Jackson, J.A., eds. (2005) ''Glossary of Geology'' (5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. Charlton, R., 2007. ''Fundamentals ...
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New Orleans
New Orleans ( , ,New Orleans
Merriam-Webster.
; french: La Nouvelle-Orléans , es, Nueva Orleans) is a Consolidated city-county, consolidated city-parish located along the Mississippi River in the southeastern region of the U.S. state of Louisiana. With a population of 383,997 according to the 2020 U.S. census, it is the List of municipalities in Louisiana, most populous city in Louisiana and the twelfth-most populous city in the southeastern United States. Serving as a List of ports in the United States, major port, New Orleans is considered an economic and commercial hub for the broader Gulf Coast of the United States, Gulf Coast region of the United States. New Orleans is world-renowned for its Music of New Orleans, distinctive music, Louisiana Creole cuisine, Creole cuisine, New Orleans English, uniq ...
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Baton Rouge, Louisiana
Baton Rouge ( ; ) is a city in and the capital of the U.S. state of Louisiana. Located the eastern bank of the Mississippi River, it is the parish seat of East Baton Rouge Parish, Louisiana's most populous parish—the equivalent of counties in other U.S. states. Since 2020, it has been the 99th-most-populous city in the United States and the second-largest city in Louisiana, after New Orleans; Baton Rouge is the 18th-most-populous state capital. According to the 2020 United States census, the city-proper had a population of 227,470; its consolidated population was 456,781 in 2020. The city is the center of the Greater Baton Rouge area—Louisiana's second-largest metropolitan area—with a population of 870,569 as of 2020, up from 802,484 in 2010. 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. This allowed development of a business qu ...
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2011 Mississippi River Floods
Major floods along the Mississippi River in April and May 2011 were among the largest and most damaging recorded along the U.S. waterway in the past century, comparable in extent to the Great Mississippi Flood of 1927 and Great Flood of 1993. In April 2011, two large storm systems deposited record levels of rainfall on the Mississippi River drainage basin. When that additional water combined with the springtime snowmelt, the river and many of its tributaries began to swell to record levels by the beginning of May. Flooding occurred in Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana. U.S. President Barack Obama declared the western counties of Kentucky, Tennessee, and Mississippi disaster area, federal disaster areas. For the first time in 37 years, the Morganza Spillway was opened on May 14, deliberately flooding of rural Louisiana to save most of Baton Rouge, Louisiana, Baton Rouge and New Orleans.
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