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The Upper Mississippi River covers approximately half of the Mississippi River's length. About 850 miles (1,370 km) of the river is navigable from Minneapolis-St. Paul (specifically, the Coon Rapids Dam in the City of Coon Rapids, MN) to the Ohio River. The river sustains a large variety of aquatic life, including 127 species of fish and 30 ...
At its source at Lake Itasca, the Mississippi River is about 3 feet (0.91 m) deep. The average depth of the Mississippi River between Saint Paul and Saint Louis is between 9 and 12 feet (2.7–3.7 m) deep, the deepest part being Lake Pepin, which averages 20–32 feet (6–10 m) deep and has a maximum depth of 60 feet (18 m). Between where the ...
The world average river reach slope is 2.6 m/km or 0.26%; [2] a slope smaller than 1% and greater than 4% is considered gentle and steep, respectively. [3] Stream gradient may change along the stream course. An average gradient can be defined, known as the relief ratio, which gives the average drop in elevation per unit length of river. [4]
The Mississippi River is a unique creature. It’s an inland sea perpetually on the move. It drains a continent. It gathers other great rivers into its fold and flows forever on. It has countless ...
Three—the Milk River, the Red River of the North, and the Saint Lawrence River—begin in the United States and flow into Canada; two do the opposite (Yukon and Columbia). Also a segment of the Saint Lawrence River forms the international border between part of the province of Ontario, Canada, and the U.S. state of New York.
For example, due to 18 cutoffs created between 1766 and 1885, the length of the Mississippi River from Cairo, Illinois, to New Orleans, Louisiana, was reduced by 351 kilometres (218 miles). [10] These points make it difficult, if not impossible, to get an accurate measurement of the length of a river.
The list of rivers in Mississippi includes any rivers that flow through part of the State of Mississippi.The major rivers in Mississippi are the Mississippi River, Pearl River, Pascagoula River and the Tombigbee River, along with their main tributaries: the Tallahatchie River, Yazoo River, Big Black River, Leaf River, and the Chickasawhay River.
The term is equally used to describe the actual incidence of and potential tendency of a river to curve or meander over its length. [3] It is expressed as the ratio of the distance between two distant points in a river following the middle-of-the-river course of the river as compared with the straight distance between those points. [4]