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Topic: Atchafalaya River

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	The Old River Control Structure on the Lower Mississippi River (Site not responding. Last check: 2007-11-03)
		The Atchafalaya River has already capture the Red River which flows from the west and used to be a tributary of the Mississipi.
		The configuration is roughly in the form of an H in which the the Atchafalaya-Red Rivers form the left leg and the Mississippi the other with the Old River being the cross branch.
		The Red River had been a direct tributary of the Mississippi for two millenia, but due to the clearing of the Atchafalaya it was captured by the Atchafalaya in the 1940s.
	www2.sjsu.edu /faculty/watkins/oldriver.htm (569 words)

	Old River Control (Site not responding. Last check: 2007-11-03)
		When Henry was finished, the Red River flowed into the Atchafalaya and Old River, which used to be the bottom half of the loop, flowed out of the Mississippi and into the Atchafalaya.
		Morgan City at the mouth of the Atchafalaya needed that water as did the rural economy in the Atchafalaya basin.
		The river claimed the southern wing wall of the structure, and nearly undermined its foundation which is sunk ninety feet into the river bottom.
	users.stlcc.edu /jangert/oldriver/oldriver.html (1657 words)

	Atchafalaya River. The Columbia Gazetteer of North America. 2000
		Atchafalaya River (uh-CHA-fuh-lei-uh), navigable river, c.170 mi/270 km long, S central La.; 30°17'N 91°40'W; rises in N at confluence of Red and Miss.
		rivers; meanders S, in a former channel of the Mississippi, to Atchafalaya Bay in the Gulf of Mexico.
		A distributary of the Red and Mississippi rivers, the Atchafalaya flows to the gulf through an extensive system of guide levees and floodways.
	www.bartleby.com /69/96/A07996.html (174 words)

	Atchafalaya Basin - Wikipedia, the free encyclopedia
		The Atchafalaya Basin, or Atchafalaya Swamp, in south central Louisiana is a combination of wetlands and river delta area where the Atchafalaya River and the Gulf of Mexico converge.
		The Atchafalaya Basin, the surrounding plain of the river, is filled with bayous, bald cypress swamps, and marshes that give way to more brackish conditions and end in the Spartina grass marshes, near and at where it meets the Gulf of Mexico.
		It is now widely suspected that the channeling of the river and subsequent lowering of siltation rates has resulted in severe degradation of the surrounding saltmarsh wetlands as well as widespread submerging of populated and agricultural lands of the bayou country.
	en.wikipedia.org /wiki/Atchafalaya_Basin (665 words)

	Center for Environmental Communications
		It intercepted the RR, which became a tributary of the MR and the Atchafalaya River (AR) was formed as a distributary of the MR.
		The Atchafalaya would be a rushing, raging river, even during the fall for a period of time until it scoured the channel and filled in the lower reaches so that the flow would diminish.
		In the Atchafalaya, this occurs between the internal levees that are along the margins of the river above the latitude of Baton Rouge, then the water spreads to cover the entire floodway between the guide levees that extend southward all the way to the Atchafalaya Bay.
	www.loyno.edu /lucec/mrdcontrol.html (2192 words)

	Atchafalaya Basin
		Delta growth in Atchafalaya Bay is a recent occurrence, with subaqueous delta, or land underwater, forming in the decade from 1952 to 1962 and subaerial delta, or land above the water, forming during the 1973 flood.
		The majority of sediments conveyed by the Lower Atchafalaya River do not reach the delta; sands fall out in the navigation channel where they are dredged to maintain navigation; silts and clays are conveyed out of the bay.
		The lack of sediments available for delta growth in the Lower Atchafalaya River delta is evident when the growth rate of this delta is compared to that of the Wax Lake Outlet delta.
	www.lacoast.gov /geography/basins/at (523 words)

	Red River
		The lower Red River and Atchafalaya basin flow through the relatively flat terrain of Louisiana, into some of the most striking swampland in the country.
		The navigable portion of the Red River is from Shreveport/Bossier City to the confluence with "Old River" a historic channel of the Mississippi that now flows into the Atchafalaya Basin.
		Continuing down the Atchafalaya Basin main channel, it is a another 127 miles to Morgan City and the Gulf Intracoastal Waterway.
	members.aol.com /americacruising/red.html (512 words)

	The Ultimate Mississippi River - American History Information Guide and Reference (Site not responding. Last check: 2007-11-03)
		The Mississippi River is the second-longest river in the United States; the longest is the Missouri River, which flows into the Mississippi.
		The Mississippi is joined by the Illinois River and the Missouri River at Saint Louis, and by the Ohio at Cairo, Illinois.
		Since a canal was built in the early nineteenth century, the river has been seeking the Atchafalaya River mouth, some 60 miles (95 km) from New Orleans.
	www.historymania.com /american_history/Mississippi_River (2027 words)

	Task Force < Mississippi River Basin
		Scientific evidence indicates that excess nitrogen from the Mississippi and Atchafalaya River drainage basins drives the onset and duration of hypoxia in the Gulf of Mexico.
		Excess nutrients in the Mississippi and Atchafalaya river basins come from human activities such as discharges from sewage treatment and industrial wastewater treatment plants and stormwater runoff from city streets and farms.
		States, tribes and the relevant federal agencies along the Mississippi and Atchafalaya river basins and the Gulf agreed to the actions in the plan including preparing watershed strategies to reduce the amount of nutrients, particularly nitrogen, entering their waters.
	www.epa.gov /msbasin/taskforce/factsheet.htm (973 words)

	Sierra Club Delta (Louisiana) Chapter Atchafalaya Basin page (Site not responding. Last check: 2007-11-03)
		The Atchafalaya River lies at the southern end of the Mississippi Valley and is the principle distributary of the Mississippi River.
		For the volume of water it carries, it is one of the shortest rivers in the world.
		This control is accomplished by movable structures at the river's head and a series of levees running roughly parallel with the center channel of the river.
	louisiana.sierraclub.org /atchafalaya.asp (1666 words)

	AGU Web Site: The Great Flood of Summer 1993: Mississippi River Discharge Studied
		River discharge into the Gulf of Mexico is distinctly seasonal, with highest flow occurring between March and May and lowest flow occurring between August and October.
		Generally, much of the river water discharged into the northern Gulf of Mexico by the Mississippi and Atchafalaya Rivers moves westward along the Louisiana and Texas coasts, driven primarily by the prevailing easterly winds.
		River water discharged on the western side of the delta flowed eastward around the south side of the delta, joining additional river water discharged from passes on the south and east sides of the delta.
	www.agu.org /sci_soc/walker.html (1974 words)

	January 6, 2006 - FYI - The University of Texas at Dallas
		The Mississippi Delta is the roughly triangular plain whose apex is the head of the Atchafalaya River and whose broad curved base is the Gulf coastline.
		The Atchafalaya is the upstream-most distributary of the Mississippi that discharges to the Gulf of Mexico.
		The widths of the rivers in the diagram are proportional to the estimated (1700) or measured (1980–1990) suspended sediment loads (in millions of metric tons per year).
	www.utdallas.edu /research/fyi/060106/commentary.html (4249 words)

	Atchafalaya River - Wikipedia, the free encyclopedia
		It is navigable and provides a significant industrial shipping channel for the state of Louisiana, as well as the cultural heart of the Cajun Country.
		It receives the water of the Red as well as part of the water of the Mississippi, which itself continues in its main channel to the southeast.
		It meanders south as a channel of the Mississippi, through extensive levees and floodways, past Morgan City, and empties into the Gulf of Mexico in Atchafalaya Bay approximately 15 miles (25 km) south of Morgan City.
	en.wikipedia.org /wiki/Atchafalaya_River (256 words)

	Comeback Bassing In The Atchafalaya Basin (Site not responding. Last check: 2007-11-03)
		In fact, seasoned bass fishermen on the Atchafalaya Basin will be quick to tell you that the water level is the single most important factor that determines how successful a fishing trip to the basin will be — and how to approach the fish.
		Most of the basin is east of the Atchafalaya River channel, making most of the overflow from the basin on the east side of the river channel.
		When the river drops, the river exposes the bottom, which is a collection of sediment and organic material deposited by the overflow.
	www.lagameandfish.com /fishing/la040501/index.html (847 words)

	Bike Tours
		The Atchafalaya Trace loops around the Atchafalaya basin, a scenic semi-wilderness area of hardwood-forests, cypress swamps, marshes, and bayous.
		As a distributary of the Mississippi River, bayou Plaquemine was used as a navigable artery centuries before the age of European exploration.
		On the west-side of the Atchafalaya Tracethe towns of St. Martinville, New Iberia, Jeanerette, Charenton and Franklin were established along Bayou Teche.
	www.bikelouisiana.com /tours/trace.cfm (985 words)

	GORP - Atchafalaya National Wildlife Refuge - Louisiana
		America's Great River Swamp Deep in the heart of Cajun country, at the southern end of the Lower Mississippi River Valley in south-central Louisiana, lies the nation's largest complex of forested wetlands; the Atchafalaya River Basin.
		It is an immense natural floodplain of the Atchafalaya River, which flows for 140 miles south from its junction with the Mississippi River to the Gulf of Mexico.
		The combined fish, wildlife, and related recreational and commercial values of the Atchafalaya River Basin are so high that a major cooperative state and federal effort is underway to preserve and manage the natural resources of the area.
	gorp.away.com /gorp/resource/us_nwr/la_atcha.htm (1141 words)

	Cactus Clyde
		Atchafalaya: America’s Largest River Basin Swamp is a stunning journey through the eyes of a true Swamp lover as he uses the camera and pen to show the reader a wonderous wetland habitat.
		As the major distributary of the Mississippi River, the Atchafalaya serves as South Louisiana’s protection from the floodwaters of the Mighty Mississippi.
		Actually, thought, this river basin swamp can be divided into four distinct landscapes: hardwood bottomlands, cypress-tupelo swamp, coastal marsh, and the bay with its newly created islands.
	www.cclockwood.com /books/descriptions/atchafalaya.htm (341 words)

	AUDUBON: ATCHAFALAYA BASIN
		Louisiana’s Atchafalaya Basin, at 595,000 acres, is the nation’s largest swamp wilderness, containing nationally significant expanses of bottomland hardwoods, swamplands, bayous and back-water lakes.
		The Atchafalaya River is one of five major distributaries of the Mississippi River, which discharges 30 percent of its flow into the Atchafalaya.
		Beginning in the late 1920’s, the Corps turned the Atchafalaya River into a floodway between levees that diverts water from Baton Rouge and New Orleans.
	www.audubon.org /campaign/wetland/atcha.html (673 words)

	The New Yorker: PRINTABLES (Site not responding. Last check: 2007-11-03)
		By the route of the Atchafalaya, the distance across the delta plain was a hundred and forty-five miles—well under half the length of the route of the master stream.
		Among navigable rivers, the Atchafalaya is widely described as one of the most treacherous in the world, but it just lies there quiet and smooth.
		River stages, in their wide variations, became generally higher through time, as the water was presented with fewer outlets.
	www.newyorker.com /printables/archive/050912fr_archive01 (21187 words)

	A Swamp for the Senses - January/February 2001 - Sierra Magazine - Sierra Club (Site not responding. Last check: 2007-11-03)
		Though the river eventually would move again, always seeking the shortest and steepest route to the gulf, they could have kept her confined for another few centuries.
		The first (in the form of elaborate maps) is the humbling magnitude of the Atchafalaya Basin itself, and its crucial role in venting the Mississippi River.
		The Atchafalaya River has a main channel, dredged and confined in locks for large-scale navigation, but it occupies only a narrow ribbon of the whole basin.
	www.sierraclub.org /sierra/200101/Swamp.asp (3713 words)

	Area 6 - Fishing Louisiana
		To fish the basin you should become familiar with local river stages as the Atchafalaya River's coinciding fall with the Mississippi River dictates which areas to fish, and the best time to fish them.
		Henderson Lake is located in the West Atchafalaya Basin Floodway between Ramah and Henderson, La. It is a shallow backwater lake that was formed in the 1930's when the U.S. Army Corps of Engineers dammed Bayou Berard and other backwater streams.
		Located in the upper Atchafalaya Basin, this beautiful bayou is home to some of the oldest cypress trees in the south.
	www.fishinglouisiana.com /area6 (1257 words)

	PROJECT1.HTML
		The Red River flows into the Mississippi and the Atchafalaya was a distributary connecting to lower Old River.
		It was titled the Old River Control Project and it involved a system of control structures (locks) that would distribute approximately 30 percent of the flow from the Red River and Mississippi.
		The rivers have all the time in the world to achieve their "goal" and water has the distinct ability to erode and desolve obstacles in its way.
	www.personal.psu.edu /faculty/j/e/jea4/earth/a1proj/PROJECT.HTML (977 words)

	BTNEP - Trip #20
		The river has often changed course over time and this change to follow the Atchafalaya River channel would be a natural development, if it were allowed to happen.
		If the Mississippi were allowed to change course, it would turn the present river channel into a saltwater estuary and the effects on the effects on the economy and fabric of life in southern Louisiana would be catastrophic.
		The Atchafalaya Basin could not accept the Mississippi flow without massive flooding, extensive relocations of communities, businesses and industries, and the upheaval of the social and economic patterns of that area.
	www.btnep.org /minis/fieldtrip/trip20.htm (893 words)

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