What is the average discharge of the mississippi river




















This both accelerated the development, and forever changed the ecology of the Mississippi Valley and the Great Lakes. The French built the small fort of La Balise there to control passage. In , about miles km upriver, New Orleans was established along the river crescent by Jean-Baptiste Le Moyne, Sieur de Bienville, with construction patterned after the resettlement on Mobile Bay of Mobile, the capital of French Louisiana at the time.

The first Treaty of Paris gave Great Britain rights to all land east of the Mississippi and Spain rights to land west of the Mississippi. Spain also ceded Florida to Britain to regain Cuba, which the British occupied during the war. Britain then divided the territory into East and West Florida.

Article 8 of the second Treaty of Paris states:. The navigation of the river Mississippi, from its source to the ocean, shall forever remain free and open to the subjects of Great Britain and the citizens of the United States. With this treaty, which ended the American Revolutionary War , Britain also ceded West Florida back to Spain to regain the Bahamas, which Spain had occupied during the war. In , the U. The colonization of the area was barely slowed by the three earthquakes in and , estimated at approximately 8 on the Richter magnitude scale, that were centered near New Madrid, Missouri.

Its maiden voyage occurred during the series of New Madrid earthquakes in — Steamboat transport remained a viable industry, both in terms of passengers and freight until the end of the first decade of the 20th century. Among the several Mississippi River system steamboat companies was the noted Anchor Line, which, from to , operated a luxurious fleet of steamers between St. Louis and New Orleans.

The full version, including a passage from the unfinished Adventures of Huckleberry Finn and works from other authors, was published by James R. Control of the river was a strategic objective of both sides in the American Civil War. In Union forces coming down the river successfully cleared Confederate defenses at Island Number 10 and Memphis, Tennessee, while Naval forces coming upriver from the Gulf of Mexico captured New Orleans, Louisiana.

The Mississippi River — Fun Facts. Width At Lake Itasca, the river is between 20 and 30 feet wide, the narrowest stretch for its entire length. Speed At the headwaters of the Mississippi, the average surface speed of the water is near 1. Map of watershed distribution for the Mississippi River. Volume At Lake Itasca, the average flow rate is 6 cubic feet per second. There are 7. One cubic foot of water weighs A 48 foot semi-truck trailer is a 3, cubic foot container.

At Lake Itasca, it would take 10 minutes for one semi-trailer of water to flow out of the lake into the Mississippi. At St. Anthony Falls, the equivalent of 3 semi-trailers full of water go over the falls every second. At New Orleans, the equivalent of semi-trailers of water flow past Algiers Point each second. Water Supply Communities up and down the river use the Mississippi to obtain freshwater and to discharge their industrial and municipal waste.

Photograph of Barges on the Mississippi near Ste. Representing million tons of shipped goods per year according to the Port of New Orleans , the Mississippi River barge port system is significant to national trade. Shipping at the lower end of the Mississippi is focused on petroleum and petroleum products, iron and steel, grain, rubber, paper, wood, coffee, coal, chemicals, and edible oils. To move goods up and down the Mississippi, the U. There are 7. One cubic foot of water weighs A 48 foot semi-truck trailer is a 3, cubic foot container.

Learn more about selected fish species of the Mississippi in the Minnesota area. Forty percent of the nation's migratory waterfowl use the river corridor during their spring and fall migration.

Sixty percent of all North American birds species use the Mississippi River Basin as their migratory flyway. Learn more about birds of the Mississippi River in the Minnesota area. On the Lower Mississippi, there may be as many as 60 separate species of mussel.

Learn more about mussels of the upper Mississippi River. Find out more about our wildlife. Army Corps of Engineers, St. Paul U. More information about water quality within the Mississippi National River and Recreation Area Minnesota may be found in the State of the River report. The River of History discusses the history represented within the 72 mile corridor of the Mississippi National River and Recreation Area, including the history of Native Americans and dispossession, exploration, transportation, commerce, navigation, and other topics.

The River of History is provided online. Kellogg Blvd. Please leave a voicemail if we miss your call and expect a return call within 1 day, often sooner. Explore This Park. Info Alerts Maps Calendar Reserve. Alerts In Effect Dismiss. Dismiss View all alerts. Mississippi River Facts. Width At Lake Itasca, the river is between 20 and 30 feet wide, the narrowest stretch for its entire length.

Speed At the headwaters of the Mississippi, the average surface speed of the water is about 1. The data was then processed, scrubbed and compiled for mapping. Annual discharge rates were averaged over a year period to calculate the desired rates. Gage stations were chosen based on its proximity to the confluence and in addition to the requirement for constant annual discharge recording. Thus, chosen stations had to be constructed before Annual discharge rates were averaged for the period between Approximate station locations were subsequently mapped using ArcMap Corresponding year averages were mapped as proportional symbols.



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