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Lake

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A lake (from Latin lacus) is a terrain feature (or physical feature), a body of liquid on the surface of a world that is localized to the bottom of basin (another type of landform or terrain feature; that is, it is not global) and moves slowly if it moves at all. On Earth, a body of water is considered a lake when it is inland, not part of the ocean, is larger and deeper than a pond, and is fed by a river. The only world other than Earth known to harbor lakes is Titan, Saturn's largest moon, which has lakes of ethane, most likely mixed with methane. It is not known if Titan's lakes are fed by rivers, though Titan's surface is carved by numerous river beds.

Natural lakes on Earth are generally found in mountainous areas, rift zones, and areas with ongoing or recent glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers. In some parts of the world, there are many lakes because of chaotic drainage patterns left over from the last Ice Age. All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them.

For more information about Lake, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with lake

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Titan

Titan's lakes could be explored by boat

Space & Earth / Space Exploration

created Dec 22, 2009 | popularity 4.6 / 5 (10) | comments 1 weblog

(PhysOrg.com) -- If a suggestion to be made to NASA comes to fruition, vast lakes thought to be filled with liquid hydrocarbons near the north pole of Saturn's moon Titan, may one day be explored by boat.


Map - France - UK

'Super-river' formed the English Channel

Space & Earth / Earth Sciences

created Dec 02, 2009 | popularity 4.4 / 5 (18) | comments 0 weblog

(PhysOrg.com) -- A team of Anglo-French scientists studying sedimentary deposits in the Bay of Biscay have concluded that Britain and France were separated by a "super-river" during three periods of glaciations, ...


Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

Space & Earth / Earth Sciences

created Nov 23, 2009 | popularity 4.5 / 5 (17) | comments 3

A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...


Antarctic lake

Antarctic lake home to diverse community of viruses

Biology / Cell & Microbiology

created Nov 11, 2009 | popularity 4.9 / 5 (17) | comments 1 weblog

(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.


New evidence: AIDS-like disease in wild chimpanzees

New evidence: AIDS-like disease in wild chimpanzees

Biology / Plants & Animals

created Jul 22, 2009 | popularity not rated yet | comments 1

An international consortium has found that wild chimpanzees naturally infected with Simian Immunodeficiency Viruses (SIV) - long thought to be harmless to the apes - can contract an AIDS-like syndrome and ...


The first evidence of pre-industrial mercury pollution in the Andes

Space & Earth / Environment

created May 18, 2009 | popularity 4.4 / 5 (9) | comments 2

The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.


Scientists finding sink holes in Great Lakes

Biology / Ecology

created May 04, 2009 | popularity 4.8 / 5 (15) | comments 2

Scientists studying submerged sinkholes in the Great Lakes off the coast of northern Michigan have stumbled onto something they never expected to find: life forms akin to those found in some of Earth's most extreme environments.


Couple stranded 3 days after GPS leads them astray

Technology / Engineering

created Dec 28, 2009 | popularity 4.4 / 5 (5) | comments 1

(AP) -- A Nevada couple letting their SUV's navigation system guide them through the high desert of Eastern Oregon got stuck in snow for three days when the GPS unit sent them down a remote forest road.


Seeing how evolutionary mechanisms yield biological diversity

Biology / Evolution

created Dec 22, 2009 | popularity not rated yet | comments 0

An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.


Bigger and bossier better for fish families

Bigger and bossier better for fish families

Biology / Plants & Animals

created Dec 14, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- If you are spending the holidays with big Uncle Frank or bossy Aunt Minnie and wondering whether you would be better off with another family, spare a thought for the humble cichlid fish.


Asian carp may have breached barrier protecting Lake Michigan

Biology / Ecology

created Nov 24, 2009 | popularity 5 / 5 (5) | comments 0

Two feared species of Asian carp have zoomed beyond the $9 million electric barriers built to keep them out of Lake Michigan. Now, the only thing left between the carp and the Great Lakes is a lock and dam in southern Chicago.


Warmer means windier on world's biggest lake

Space & Earth / Earth Sciences

created Nov 15, 2009 | popularity 3.8 / 5 (6) | comments 0

Rising water temperatures are kicking up more powerful winds on Lake Superior, with consequences for currents, biological cycles, pollution and more on the world's largest lake and its smaller brethren.


Cornell releases predator beetle to battle hemlock pest

Cornell releases predator beetle to battle hemlock pest

Biology / Ecology

created Nov 11, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Cornell researchers released a well-studied beetle predator to test its ability to ward off a hemlock-killing aphid-like insect.


15,000 reasons to worry about invasive species

Biology / Ecology

created Nov 09, 2009 | popularity 5 / 5 (4) | comments 1

A day at the beach in Wisconsin's North Woods didn't used to go like this. Candy Dailey spent a Fourth of July holiday splashing with grandkids on the sandy shore of Lake Metonga when she felt a nasty sting on her foot.


Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes

Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes

Space & Earth / Earth Sciences

created Nov 05, 2009 | popularity 3.3 / 5 (4) | comments 3

The impact of airborne nitrogen released from the burning of fossil fuels and wide-spread use of fertilizers in agriculture is much greater that previously recognized and even extends to remote alpine lakes, ...