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An oxbow lake is a U-shaped lake or pool that forms when a wide meander of a river is cut off, creating a free-standing body of water. The word "oxbow" can also refer to a U-shaped bend in a river or stream, whether or not it is cut off from the main stream. [1] [2] In South Texas, oxbows left by the Rio Grande are called resacas.
Historically, the Oxbow was connected directly to the Connecticut river as a large U-shaped bend. [1] In 1840, flood waters cut through the narrow section, separating the Oxbow from the main river and the current. In the early 1900s, the Oxbow was used extensively for logging operations, as a holding area for logs sent down river.
Either a river or stream forms a sinuous channel as the outer side of its bends are eroded away and sediments accumulate on the inner side, which forms a meandering horseshoe-shaped bend. Eventually as the result of its meandering, the fluvial channel cuts through the narrow neck of the meander and forms a cutoff meander.
Horseshoe Bend (Arizona) Coordinates: 36°52′46″N 111°30′50″W. Horseshoe Bend. Horseshoe Bend at sunset. Horseshoe Bend is a horseshoe-shaped incised meander of the Colorado River located near the town of Page, Arizona, United States. [ 1] It is also referred to as the "east rim of the Grand Canyon." [ 2]
Trap (plumbing) Water seal in drain pipe under a sink. Water enters at right, fills the trap, and continues left. Inverted siphoning occurs below the line "A". In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials ...
Limestone pavement – Natural karst landform consisting of a flat, incised surface of exposed limestone. Mesa – Elevated area of land with a flat top and sides, usually much wider than buttes. Mushroom rock – Naturally occurring rock whose shape resembles a mushroom. Natural arch – Arch-shaped natural rock formation.
The Kentucky River basin, including North Fork and its tributaries, suffered a major flood in January and February 1957. [ 22] Hazard was the worst hit place in the entire basin, with all highways blocked, all utilities out of operation, and the main streets under anywhere up to 17 feet (5.2 m) of floodwater. [ 23]
Meander cutoff. A meander cutoff is a natural form of a cutting or cut in a river occurs when a pronounced meander (hook) in a river is breached by a flow that connects the two closest parts of the hook to form a new channel, a full loop. The steeper drop in gradient (slope) causes the river flow gradually to abandon the meander which will silt ...