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A narrows or narrow (used interchangeably but usually in the plural form), is a restricted land or water passage. Most commonly a narrows is a
A narrows or narrow (used interchangeably but usually in the plural form), is a restricted land or water passage. Most commonly a narrows is a strait
A strait is an oceanic landform connecting two seas or two other large areas of water. The surface water generally flows at the same elevation on both sides and through the strait in either direction. Most commonly, it is a narrow ocean channe ...
, though it can also be a water gap.
A narrows may form where a stream passes through a tilted bed of hard rock
Hard rock or heavy rock is a loosely defined subgenre of rock music typified by aggressive vocals and distorted electric guitars. Hard rock began in the mid-1960s with the garage, psychedelic and blues rock movements. Some of the earliest hard ...
lying between two softer beds: " the hard beds are vertical, so that their outcrop does not shift as erosion proceeds, a narrows is developed". Like a dam, this "raises the water level for a short distance upriver". A narrows is also typically a good location for trapping migrating fish. Furthermore, a narrows is "an important topographical feature for wind mixing",Howard J. Freeland, David M. Farmer, Colin D. Levings, ''Fjord Oceanography'' (1980), p. 216. an effect where a wind chill
Wind chill or windchill (popularly wind chill factor) is the lowering of body temperature due to the passing-flow of lower-temperature air.
Wind chill numbers are always lower than the air temperature for values where the formula is valid. When ...
may form ice while the surrounding temperature remains above freezing.
See also
* Water gap * Buffalo Narrows * The Narrows, which separatesStaten Island
Staten Island ( ) is a borough of New York City, coextensive with Richmond County, in the U.S. state of New York. Located in the city's southwest portion, the borough is separated from New Jersey by the Arthur Kill and the Kill Van Kull an ...
from Brooklyn and connects the upper and lower sections of New York Bay
New York Bay is the large tidal body of water in the New York–New Jersey Harbor Estuary where the Hudson River, Raritan River, and Arthur Kill empty into the Atlantic Ocean between Sandy Hook and Rockaway Point.
Geography
New York Bay is usu ...
.
* The Narrows, which is the narrowest section of Zion Canyon
Zion Canyon (also called Little Zion, Mukuntuweap, Mu-Loon'-Tu-Weap, and Straight Cañon; ''weap'' is Paiute for canyon) is a deep and narrow gorge in southwestern Utah, United States, carved by the North Fork of the Virgin River. Nearly the entir ...
in Zion National Park, Utah.
References
Fluvial landforms Coastal and oceanic landforms {{Topography-stub