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Littoral

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Littoral refers to the coast of an ocean or sea, or to the banks of a river, lake or estuary. It is usually used as an adjective, but may also be used as a noun. The littoral zone is defined as the area between the high water and low water marks. The word is derived from the Latin noun litus, litoris, meaning "shore". (The doubled 't' is a late mediaeval innovation and the word is sometimes seen in the more classical-looking spelling 'litoral'.)
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Dunes in littoral of Buenos Aires province, Argentina. 389 km altitude. Source: NASA


In lakes, where tides are usually negligibly small, other definitions of "littoral" must be used. The Minnesota Department of Natural Resources defines littoral as that portion of the lake that is less than 15 feet in depth.[1] This zone is home to most of the aquatic plantlife (both rooted and floating) in a pond or lake because the high amount of sunlight reaching it allows for significant photosynthetic activity.

The adjacency of water gives a number of distinctive characteristics to littoral regions. Water's erosive power results in particular types of landforms, such as sand dunes, and estuaries. The natural movement of the littoral along the coast is called the littoral drift. Biologically, the ready availability of water enables a greater variety of plant and animal life, and the additional local humidity due to evaporation usually creates a microclimate supporting unique types of organisms.

The littoral zone is bordered by the supra-littoral zone, also known as the "spray zone", and the sublittoral zone, which runs to the edge of the continental shelf.

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The United States Navy divides the littorals into several zones.

See also

References

1. ^ Fisheries lake surveys. Retrieved on 17 March, 2006.
Littoral or Litoral can mean:

Geographic

Current entities


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In grammar, an adjective is a word whose main syntactic role is to modify a noun or pronoun (called the adjective's subject), giving more information about what the noun or pronoun refers to.
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Examples
A proper or common noun can co-occur with an article or an attributive adjective. Verbs and adjectives can't. As usual, a `*' in front of an example means that this example is ungrammatical.
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Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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State of Minnesota

Flag of Minnesota Seal
Nickname(s): North Star State,
The Land of 10,000 Lakes, The Gopher State

Motto(s): L'Étoile du Nord (French: The Star of the North)

Capital Saint Paul

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Many sub-national governments have a Department of Natural Resources or similarly-named organization:
Australia
Canada

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1 foot =
SI units
0 m 0 mm
US customary / Imperial units
0 yd 0 in
A foot (plural: feet or foot;[1] symbol or abbreviation: ft or, sometimes,
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Erosion is displacement of solids (soil, mud, rock and other particles) usually by the agents of currents such as, wind, water, or ice by downward or down-slope movement in response to gravity or by living organisms (in the case of bioerosion).
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A landform comprises a geomorphological unit, and is largely defined by its surface form and location in the landscape, as part of the terrain, and as such, is typically an element of topography.
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dune is a hill of sand built by eolian processes. Dunes are subject to different forms and sizes based on their interaction with the wind. Most kinds of dune are longer on the windward side where the sand is pushed up the dune, and a shorter "slip face" in the lee of the wind.
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estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea.[1] Estuaries are often associated with high rates of biological productivity. An estuary is where the river meets the sea.
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Longshore drift (sometimes known as shore drift, LSD or littoral drift) is a geological process by which sediments such as sand or other materials, move along a beach shore.
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Humidity is the amount of water vapor in a sample of air compared to the maximum amount of water vapor the air can hold at any specific temperature. Absolute humidity, relative humidity and specific humidity are different ways to express the water content in a parcel of air.
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microclimate is a local atmospheric zone where the climate differs from the surrounding area. The term may refer to areas as small as a few square feet (for example a garden bed) or as large as many square miles (for example a valley).
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continental shelf is the extended perimeter of each continent and associated coastal plain, which is covered during interglacial periods such as the current epoch by relatively shallow seas (known as shelf seas) and gulfs.
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foreshore, also called the intertidal or littoral zone, is that part of a beach that is exposed by the low tides and submerged by high tides. This area can include many different types of habitats, including steep rocky cliffs, sandy beaches or vast mudflats.
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The supralittoral zone, also known as the spray zone, is the area above the spring high tide line that is regularly splashed, but not submerged by ocean water. <1>

See also

  • Littoral zone
  • Sublittoral zone

References

1. Thurman H.V.

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benthic zone is the lowest level of a body of water, such as an ocean or a lake. It is inhabited by organisms that live in close relationship with (if not physically attached to) the ground, called benthos or benthic organisms.
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The limnetic zone is the well-lit, open surface waters farther from shore in a lake. It is surrounded by the littoral zone and above the profundal zone.

It can be defined as the lighted surface waters in the area where the lake bottom is too deep to support rooted aquatic
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The profundal zone is a deep zone of a body of water, such as an ocean or a lake, located below the range of effective light penetration. This is typically below the thermocline, the vertical zone in the water through which temperature drops rapidly.
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intertidal zone, also known as the littoral zone, in marine aquatic environments is the area of the foreshore and seabed that is exposed to the air at low tide and submerged at high tide, i.e., the area between tide marks.
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The Littoral Combat Ship is the first of the U.S. Navy's next-generation surface combatants. Intended as a relatively small surface vessel for operations in the littoral region (close to shore), the LCS is smaller than the Navy's guided missile frigates, and have been compared to
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Littoral combat in military and naval warfare refers to operations in the littoral area, within a certain distance of shore, including surveillance, mine-clearing and support for landing operations and other types of shift from water to ground, and back.
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A shingle beach is a beach which is armoured with pebbles or small to medium sized cobbles. Typically the stone composition may grade from characteristic sizes ranging from two to 200 millimeters in diameter.
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