List_of_rivers_that_have_reversed_direction

List of rivers that have reversed direction

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A number of rivers are known to have reversed the direction of their flow, either permanently or temporarily, in response to geological activity, weather events, climate change, or direct human intervention.

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[10] These reversals represent a return to the Chicago River's original natural outlet in Lake Michigan.

[12] Reversals of the Chicago River have been increasing in frequency in association with global warming, and may soon occur at least once each year.^[10]

[Borneman-1] [1]
Borneman, Elizabeth (November 24, 2014). "Rivers that Flow Backwards". Geo Lounge. Retrieved 18 March 2019.

[2] [2]
"When the Wisconsin River Flowed East". 11 September 2018.

[NY-DEC-3] [3]
"The Hudson Estuary: A River That Flows Two Ways". New York State Department of Environmental Conservation. Retrieved 19 March 2019.

[NB-4] [4]
"Reversing Falls". New-Brunswick.net. Retrieved 18 March 2019.

[Salmon-Truro-5] [5]
Dinshaw, Fram (June 19, 2018). "What a bore! Truro's 'marvellous' tidal event a daily tourist draw | SaltWire". www.saltwire.com. Retrieved 2023-02-06.

[6] [6]
Krupa River Retrieved 30 August 2022.

[7] [7]
The Petexbatún eco-system (in Spanish) Retrieved 30 January 2021.

[8] [8]
The Bore Tides of the Qiantang River Retrieved 30 January 2021.

[Jennings-9] [9]
Jennings, Ken (February 2, 2015). "Why the Tonle Sap River Is Unlike Any Other River in the World". Condé Nast Traveler. Retrieved 18 March 2019.

[EcoWatch-11] [10]
"How Climate Change Is Making This River Run Backwards". EcoWatch. Natural Resources Defense Council. June 4, 2017. Retrieved 19 March 2019.

[Soniak-13] [11]
Soniak, Matt (January 25, 2013). "Has a U.S. River Run Backwards Before?". Mental Floss. Retrieved 18 March 2019.

[USGS-Isaac-14] [12]
"Mississippi River Flows Backwards Due to Isaac". USGS Newsroom. United States Geological Survey. August 29, 2012. Retrieved 19 March 2019.

[15] [13]
"Hurricane Ida Is So Strong It Reversed the Mississippi's Current". interestingengineering.com. 2021-08-30. Retrieved 2021-08-30.

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River	Original outlet	Current outlet	Continent	Date of reversal	Cause of reversal	References
Amazon River	Pacific Ocean	Atlantic Ocean	South America	Cretaceous period	Formation of Andes Mountains	^[1]
Wisconsin River	Great Lakes Basin	Mississippi River	North America	Pleistocene Epoch	Pre-Illinoian glaciers	^[2]

River	Outlet	Continent	References
Hudson River	Upper New York Bay	North America	^[3]
Saint John River (Reversing Falls)	Bay of Fundy	North America	^[4]
Salmon River	Bay of Fundy	North America	^[5]

River	Outlet	Continent	Cause of reversal	References
Krupa River	Neretva River	Europe	High water levels of the Neretva River	^[6]
Petexbatún River	Pasión River	Central America	Winter rain flooding of the Pasión River	^[7]
Qiantang River	Hangzhou Bay	Asia	Tidal bore in Hangzhou Bay	^[8]
Tonlé Sap River	Mekong River	Asia	Monsoon flooding of the Mekong River	^[9]

River	Outlet	Continent	Date of reversal	Cause of reversal	References
Chicago River^{[lower-alpha 1]}	Mississippi River	North America	2017 and others^{[lower-alpha 2]}	Storm surge	^[10]
Mississippi River	Gulf of Mexico	North America	1812	Tectonic uplift caused by New Madrid earthquakes	^[11]
			2005	Storm surge from Hurricane Katrina	^[1]
			2012	Storm surge from Hurricane Isaac	^[1]^[12]
			2021	Storm surge from Hurricane Ida	^[13]

List_of_rivers_that_have_reversed_direction

List of rivers that have reversed direction

Permanent reversals

Natural

Artificial

Temporary reversals

Daily

Annual

Intermittent

See also

References

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