thermocline

listen to the pronunciation of thermocline
Englisch - Türkisch
(Denizbilim,Meteoroloji) termoklin
Englisch - Englisch
A layer within a body of water or air where the temperature changes rapidly with depth
A vertical negative temperature gradient in some layer of a body of water which is appreciably greater than the gradients above and below it In the ocean, this may be seasonal, due to the heating of the surface water in the summer, or permanent
As one descends from the surface of the ocean, the temperature remains nearly the same as it was at the surface, but at a certain depth temperature starts decreasing rapidly with depth This boundary is called the thermocline In studying the tropical Pacific Ocean, the depth of 20oC water ("the 20oC isotherm") is often used as a proxy for the depth of the thermocline Along the equator, the 20oC isotherm is typically located at about 50m depth in the eastern Pacific, sloping downwards to about 150 m in the western Pacific
fairly thin zone in a lake that separates an upper warmer zone (epilimnion) from a lower colder zone (hypolimnion)
In water, a distinctive temperature transition zone that separates an upper layer that is mixed by the wind (the epilimnion) and a colder, deep layer that is not mixed (the hypolimnion)
The thermocline is a plane within the metalimnion of lentic ecosystems at which the temperature drops most rapidly
a depth at which the temperature gradient (cooling with water depth) is at a maximum
The middle layer in a thermally stratified lake or reservoir In this layer there is a rapid decrease in temperature with depth Also called the metalimnion
These are areas underwater where warmer layers of water meet cooler layers, and where fish are often active Generally, baitfish hang just above the thermocline, while larger game fish are found suspended in or just below it Lowrance units will display thermoclines when used in the manual mode, showing actual sonar returns, and with the sensitivity set correctly
Two layers of water in the ocean that consists of warm, less dense water on top and, dense colder water underneath Trace gases: Gases ocurring in minute quantities such as water, carbon dioxide, methane and nitrous oxide Trophic levels: The levels or order of energy passing through an ecosystem, by way of organisms consuming each other Toxicity: The potency of a poison
The layer of water in a lake between the epilimnion and hypo-limnion in which the temperature exhibits the greatest difference in Minimum level of exposure to a specific pollutant which results in a detectable effect The important factor is to differentiate between visible and non-visible (physio-logical-internal) effects
Boundary in a body of water that where the greater vertical change in temperature occurs
Layer of ocean water a few tens of meters thick that divides the mixed layer (a layer of relatively warm water just below the surface) from colder, deeper water If one were to descend from the surface in a submarine, water temperature would remain almost constant through the mixed layer and then drop rapidly as one passed through the thermocline The depth of the thermocline varies in space and in time Along the equator it is usually only a few tens of meters below the surface in the eastern Pacific, compared to 100 meters or more below the surface in the western Pacific During the onset of El Niño, the thermocline flattens out as the water in the mixed layer surges eastward in response to the weakening of the easterlies When the thermocline is shallow it is easier for cold, nutrient-rich waters to reach the surface to fertilize the food web
Depth zone within which temperature gradient is at a maximum
Oceanic water layer in which temperature decreases rapidly with increasing depth This phenomenon is accompanied by an increase in the nitrate concentration (nitracline) and by an increase in salinity
A transition layer of water in the ocean, with a steeper vertical temperature gradient than that found in the layers of ocean above and below The permanent thermocline separates the warm mixed surface layer of the ocean from the cold deep ocean water, and is found between 100- and 1000-m depths The thermocline first appears at the 55\(em60° N and S latitudes, where it forms a horizontal separation between temperate and polar waters The thermocline reaches its maximum depth at mid-latitudes and is shallowest at the equator and at its northern and southern limits The thermocline is stably stratified, and transfer of water and carbon dioxide across this zone occurs very slowly Thus, the thermocline acts as a barrier to the downward mixing of carbon dioxide (Source: Carbon Dioxide Information Analysis Center, 1990)
The depth at which an inflection point occurs in a lake temperature profile
The plane or surface of maximum rate of decrease of temperature with respect to depth in a waterbody
The middle layer of a thermally stratified lake or reservoir In this layer there is a rapid decrease in temperature with depth Also called the metalimnion
A vertical temperature gradient in some layer of a body of water, which is appreciably greater than the gradients above and below it; also a layer in which such a gradient occurs = The principal thermoclines in the ocean are either seasonal, due to heating of the surface water in summer, or permanent thermohaline circulation - Circulation in water caused by changes in density brought about by the combined effect of variations in temperature and salinity
A layer in which the temperature decreases significantly (relative to the layers above and below) with depth The principal ones are designated diurnal, seasonal, and main thermocline
{i} layer of water in some oceans and lakes which is characterized by a greater temperature gradient than the layers above and below it (Geophysics)
A layer of water in deep lakes separating the cool hypolimnion (lower layer) from the warm epilimnion (surface layer)
Zone of temperature decrease See metalimnion
the level dividing a lake into two layers, an upper warmer one (epilimnion) and a lower colder one (hypolimnion) The temperature usually drops several degrees centigrade over just a few meters at this level
The middle layer of a thermally stratified lake or reservoir In this layer, there is a rapid decrease in temperatures in a lake or reservoir
a region below a water surface in which temperature increases upward