Lakes are stratified into three separate sections: I. The Epilimnion II. The Metalimnion III. The Hypolimnion The scales are used to associate each section of the stratification to their corresponding depths and temperatures. The arrow is used to show the movement of wind over the surface of the water which initiates the turnover in the epilimnion and the hypolimnion.
Lake zones
Littoral zone
Limnetic zone
Profundal zone
Benthic zone
Lake stratification
Epilimnion
Metalimnion
Hypolimnion
Destratification
Lake types
Holomictic lake
Monomictic lake
Dimictic lake
Polymictic lake
Meromictic lake
Amictic lake
See also
Aquatic ecosystems
Wild fisheries
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The epilimnion or surface layer is the top-most layer in a thermally stratified lake.
The epilimnion is the layer that is most affected by sunlight, its thermal energy heating the surface, thereby making it warmer and less dense. As a result, the epilimnion sits above the deeper metalimnion and hypolimnion, which are colder and denser. [1] Additionally, the epilimnion is typically has a higher pH and higher dissolved oxygen concentration than the hypolimnion.
^Haddout, Soufiane; Qanza, Hamid; Guennoun, Mohamed; Azidane, Hind; Karra, Rachid; Essaidi, Amine (31 July 2018). "Epilimnion and metalimnion thermal water temperature variables in Moroccan's Lakes using a one-dimensional fresh-water lake model". International Journal of River Basin Management. 18 (3): 321–333. doi:10.1080/15715124.2018.1498854. S2CID 134624630.
The epilimnion or surface layer is the top-most layer in a thermally stratified lake. The epilimnion is the layer that is most affected by sunlight, its...
warm weather. Typically stratified lakes show three distinct layers: the epilimnion, comprising the top warm layer; the thermocline (or metalimnion), the...
temperature gradients within the water itself producing distant layers; the epilimnion, metalimnion, and hypolimnion. Each zone has varied traits that sustain...
often have lower oxygen concentrations than the surface waters (i.e., epilimnion). While oxygen can typically exchange between surface waters and the atmosphere...
the year. The density difference between the warm surface waters (the epilimnion) and the colder bottom waters (the hypolimnion) prevents these lakes from...
metalimnion is a surface layer of warmer water with a lower density, called the epilimnion. This typical stratification sequence can vary widely, depending on the...
Generally, in a holomictic lake, during the fall, the cooling of the epilimnion reduces lake stratification, thereby allowing for mixing to occur. Winds...
temperature-derived density differences separate the warm surface waters (the epilimnion), from the colder bottom waters (the hypolimnion). In the spring and fall...
stratification in the water column keeps the P from circulating to the epilimnion, or upper layers. Gloeotrichia have been linked to the phosphorus (P)...
water with a thermocline separating them. The warm layer is called the epilimnion and the cold layer is called the hypolimnion. Because the warm water is...
temperature on Sulawesi Island does not change much during the year, the epilimnion never gets cold enough to mix with the hypolimnion. The environment in...
coldest and is called the hypolimnion. The upper warm zone is called the epilimnion. Between these zones is a band of rapid temperature change called the...
average thicknesses of the two layers separated by stratification (e.g. epilimnion and hypolimnion), ρ 1 , ρ 2 {\displaystyle \rho _{1},\rho _{2}} the densities...
"Storm-triggered, increased supply of sediment-derived phosphorus to the epilimnion in a small freshwater lake". Freshwater Biological Association. 18 November...
Boscán, Fausto Capote, José Farias (2021-08-25). "Salinidad del agua en el epilimnion del Lago de Maracaibo" (in Spanish). Observador del Conocimiento: 81–89...
below the surface. Although the epilimnion and DCM are neighbouring layers of water, the species composition of the epilimnion and the DCM differ almost entirely...
mesotrophic lake. Thermal stratification happens when each layer of a lake (epilimnion, metalimnion, and hypolimnion) is distinct enough to have different temperatures...
three main sections that define thermal stratification in a lake. The epilimnion is closest to the water surface and absorbs long- and shortwave radiation...
phosphorus universally within the lake, it may also be applied to the epilimnion or locally to point sources. This style of alum treatment is similar to...
soda lakes are strongly stratified, with a well-oxygenated upper layer (epilimnion) and an anoxic lower layer (hypolimnion), without oxygen and often high...
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