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Lake. Lac Gentau in the Ossau Valley of the Pyrenees, France. Lake Michigan during a storm near the Ludington Lighthouse. A lake is an often naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. [ 1]
A lake ecosystem or lacustrine ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (non-living) physical and chemical interactions. [1] Lake ecosystems are a prime example of lentic ecosystems ( lentic refers to stationary or relatively still freshwater, from the Latin lentus, which means "sluggish ...
An open lake is a lake where water constantly flows out under almost all climatic circumstances. Because water does not remain in an open lake for any length of time, dissolved solids do not accumulate, and such lakes are usually fresh water. Open lakes form in areas where precipitation is greater than evaporation. Because most of the world's ...
Lake Superior is the largest freshwater lake in the world by area and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish . Lake Superior deepest point [ 4] on the bathymetric map.
Lake pigment. A lake pigment is a pigment made by precipitating a dye with an inert binder, or mordant, usually a metallic salt. Unlike vermilion, ultramarine, and other pigments made from ground minerals, lake pigments are organic. [1] Manufacturers and suppliers to artists and industry frequently omit the lake designation in the name.
Alpine lake. Blanca Lake in Washington, USA with the characteristic greenish water from glacial flour. The Columbia Glacier seen in the background is the main water source for this lake. An alpine lake is a high-altitude lake in a mountainous area, usually near or above the tree line, with extended periods of ice cover.
Lake stratification is the tendency of lakes to form separate and distinct thermal layers during warm weather. Typically stratified lakes show three distinct layers: the epilimnion, comprising the top warm layer; the thermocline (or metalimnion), the middle layer, whose depth may change throughout the day; and the colder hypolimnion, extending ...
The littoral zone, also called litoral or nearshore, is the part of a sea, lake, or river that is close to the shore. [1] In coastal ecology, the littoral zone includes the intertidal zone extending from the high water mark (which is rarely inundated), to coastal areas that are permanently submerged — known as the foreshore — and the terms are often used interchangeably.