Lake CECs is a

subglacial lake A subglacial lake is a lake that is found under a glacier, typically beneath an ice cap or ice sheet. Subglacial lakes form at the boundary between ice and the underlying bedrock, where liquid water can exist above the lower melting point of ic ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

at approximately

latitude In geography, latitude is a geographic coordinate system, geographic coordinate that specifies the north-south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from −90° at t ...

80°S. It has an estimated area of 18 km². The territory where the lake is located, some 160 km from Union Glacier, is

claimed "Claimed" is the eleventh episode of the The Walking Dead season 4, fourth season of the Apocalyptic and post-apocalyptic fiction, post-apocalyptic Horror fiction, horror television series ''The Walking Dead (TV series), The Walking Dead'', wh ...

only by

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. The lake is located in a buffer zone of three major West Antarctic glaciers. The movement of the ice is almost nonexistent and the area is in a situation of low disturbance. This allows the

body of water A body of water or waterbody is any significant accumulation of water on the surface of Earth or another planet. The term most often refers to oceans, seas, and lakes, but it includes smaller pools of water such as ponds, wetlands, or more rare ...

to be extremely stable, with minimal mass exchanges with its environment. This favors the

hypothesis A hypothesis (: hypotheses) is a proposed explanation for a phenomenon. A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess o ...

that the lake could support

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

life, which would have developed in extreme isolation. Lake CECs was discovered by the Chilean

research center Center or centre may refer to: Mathematics *Center (geometry), the middle of an object * Center (algebra), used in various contexts ** Center (group theory) ** Center (ring theory) * Graph center, the set of all vertices of minimum eccentric ...

Centro de Estudios Científicos (CECs). The first signs of the lake were detected during Antarctic

summer Summer or summertime is the hottest and brightest of the four temperate seasons, occurring after spring and before autumn. At or centred on the summer solstice, daylight hours are the longest and darkness hours are the shortest, with day ...

in January 2014, when a mobile research station team journeyed through the central

plateau In geology and physical geography, a plateau (; ; : plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. ...

of West Antarctica. Measurements showed unusual subglacial radar returns, indicating the presence of a waterbody at some 2.6 km depth under the ice. An initial mapping with an ice-penetrating radar confirmed the finding. The research team returned in summer of 2015 and the mapping was completed. The findings were published in a ''

Geophysical Research Letters ''Geophysical Research Letters'' is a biweekly peer-reviewed scientific journal of geoscience published by the American Geophysical Union that was established in 1974. The editor-in-chief iKristopher Karnauskas Aims and scope The journal aims for ...

'' report by four members of the CECs Glaciology Laboratory.

References

Further reading