Related topics: water , rivers
Lake
hideA 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
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News tagged with lake
Highlight: California, Nevada Lakes Warming Rapidly
Space & Earth / Earth Sciences
Dec 21, 2009 |
3.9 / 5 (8) |
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(PhysOrg.com) -- A new JPL study examines the impact recent variability in climate is having on the surface temperatures of large lakes in California and Nevada.
Titan's lakes could be explored by boat
Space & Earth / Space Exploration
Dec 22, 2009 |
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(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.
Seeing how evolutionary mechanisms yield biological diversity
Dec 22, 2009 |
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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.
Study on Great Lakes erosion dredges up controversy
Dec 17, 2009 |
5 / 5 (1) |
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The Great Lakes aren't as great as they once were. A U.S.-Canadian study released Tuesday reveals that unexpected erosion in the St. Clair River following a 1962 dredging project has permanently lowered Lakes Michigan and ...
Search results for lake
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.8 / 5 (6) |
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
EPA, Army Corps urged to consider separating Great Lakes, river basin
Dec 21, 2009 |
5 / 5 (1) |
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The once-radical idea of somehow plugging the Chicago Sanitary and Ship Canal to stop the flow of unwanted species from spilling between the Great Lakes and Mississippi River basin is quickly picking up political support.
Many take dim view of new-fangled Christmas lights
Dec 21, 2009 |
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(AP) -- To Steven Walls, it's beginning to look nothing like Christmas, anywhere he goes.
What's in health care proposals for 5 Americans
Dec 20, 2009 |
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(AP) -- As Congress gets closer to a final health care bill, many Americans want to know: What's in it for me?
Not easy being green
Dec 18, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- It was a battle to save a cherished piece of nature from the forces of economic growth. Preservationists formed groups to present their case, and public figures across the country spoke up ...
Glint of Sunlight Confirms Liquid in Northern Lake District of Titan
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (14) |
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(PhysOrg.com) -- NASA's Cassini Spacecraft has captured the first flash of sunlight reflected off a lake on Saturn's moon Titan, confirming the presence of liquid on the part of the moon dotted with many large, ...
Exploring the Stone Age pantry
Other Sciences / Archaeology & Fossils
Dec 17, 2009 |
4.2 / 5 (6) |
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The consumption of wild cereals among prehistoric hunters and gatherers appears to be far more ancient than previously thought, according to a University of Calgary archaeologist who has found the oldest example ...
Scientists works to develop Christmas tree that doesn't shed needles
Dec 17, 2009 |
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After chasing the perfect Christmas tree for three decades, Gary Chastagner could be getting close.
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