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The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [2] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.
Nov 1, 2024 · The Ohio River contributes more water to the Mississippi than does any other tributary and drains an area of 203,900 square miles (528,100 square km). The river’s valley is narrow, with an average width of less than 0.5 mile (0.8 km) between Pittsburgh and Wheeling (West Virginia), a little more than 1 mile (1.6 km) from Cincinnati (Ohio) to Louisville (Kentucky) and somewhat greater below ...
- The Editors of Encyclopaedia Britannica
The great Ohio River, along with the Allegheny and the Monongahela Rivers, has experienced a rebirth. Ohio River Islands National Wildlife Refuge. The Ohio River and its tributaries represent one of the most diverse freshwater ecosystems on earth. The Ohio and its islands have been identified as one of the most important ecosystems for ...
Originating in the Appalachian Mountains, the Tennessee River, which flows into the Ohio at Paducah, Kentucky, is the longest tributary feeding into the Ohio River. Ohio River’s drainage basin is nearly 500 000 km² and forms the eastern parts of the Mississippi basin – the fourth largest river and basin in the world.
The largest tributary of the Mississippi-Missouri, the Ohio River served as an essential link in the exploration and development of America west of the Appalachian Mountains. Formed by the confluence of the Allegheny and Monongahela rivers in downtown Pittsburgh, Pennsylvania, the Ohio flows 981 miles to join the Mississippi at Cairo, Illinois ...
Apr 4, 2024 · The Ohio River (Seneca: ohi:yó[2]) is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi (Ohio at Cairo: 281,500 cu ft/s (7,960 m3/s);[3] Mississippi at Thebes: 208,200 cu ft/s (5,897 m3/s)[4]) and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream. It is ...
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The Ohio River is the largest tributary by volume of the Mississippi River. It is approximately 981 miles (1,579 km) long and is located in the eastern United States . Flowing through or along the border of six states, its drainage basin encompasses 14 states, including many of the states of the southeastern U.S. through its largest tributary, the Tennessee River .
