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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 water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a prac ...
.
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
An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth.
Features
Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial ...
does not shift as erosion proceeds, a narrows is developed". Like a dam
A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...
, this "raises the water level for a short distance upriver". A narrows is also typically a good location for trapping migrating fish
Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousan ...
. 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
A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a prac ...
* Buffalo Narrows
Buffalo Narrows is a northern village in Saskatchewan, Canada. It is a community of 1,110 people. Located at the "Narrows" between Peter Pond Lake and Churchill Lake, tourism and resource extraction (logging, fishing) are its main economic a ...
* The Narrows
__NOTOC__
The Narrows is the tidal strait separating the boroughs of Staten Island and Brooklyn in New York City, United States. It connects the Upper New York Bay and Lower New York Bay and forms the principal channel by which the Hudson Riv ...
, which separates Staten 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
Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York. Kings County is the most populous county in the State of New York, and the second-most densely populated county in the United States, be ...
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
__NOTOC__
The Narrows is the tidal strait separating the boroughs of Staten Island and Brooklyn in New York City, United States. It connects the Upper New York Bay and Lower New York Bay and forms the principal channel by which the Hudson Riv ...
, 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
Zion National Park is an American national park located in southwestern Utah near the town of Springdale. Located at the junction of the Colorado Plateau, Great Basin, and Mojave Desert regions, the park has a unique geography and a variety ...
, Utah
Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
.
References
Fluvial landforms Coastal and oceanic landforms {{Topography-stub