Related topics: climate change , water , lake
River
hideA river is a natural watercourse, usually freshwater, flowing toward an ocean, a lake, a sea or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including stream, creek, brook, rivulet, and rill; there is no general rule that defines what can be called a river. Many names for small rivers are specific to geographic location; one example is Burn in Scotland and North-east England. Sometimes a river is said to be larger than a creek, but this is not always the case, due to vagueness in the language.
A river is part of the hydrological cycle. Water within a river is generally collected from precipitation through surface runoff, groundwater recharge, springs, and the release of stored water in natural ice and snowpacks (i.e., from glaciers).
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News tagged with rivers
Dead Sea needs world help to stay alive
Nov 24, 2009 |
3.8 / 5 (6) |
3
The Dead Sea may soon shrink to a lifeless pond as Middle East political strife blocks vital measures needed to halt the decay of the world's lowest and saltiest body of water, experts say.
Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers
Space & Earth / Earth Sciences
Nov 24, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers ...
Greenland glaciers: What lies beneath
Space & Earth / Earth Sciences
Dec 15, 2009 |
3.6 / 5 (5) |
1
Scientists who study the melting of Greenland's glaciers are discovering that water flowing beneath the ice plays a much more complex role than they previously imagined.
NASA tech zooms in on water and land
Dec 15, 2009 |
not rated yet |
0
In a pilot project that could help better manage the planet's strained natural resources, space-age technologies are helping a Washington state community monitor its water availability. NASA satellites and ...
Researchers develop virtual streams to help restore real ones
Nov 24, 2009 |
5 / 5 (1) |
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Researchers at the University of Minnesota have developed a unique new computer model called the Virtual StreamLab, designed to help restore real streams to a healthier state. The Virtual StreamLab, which demonstrates the ...
Experts think toxic algae harming endangered fish
Nov 25, 2009 |
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(AP) -- Scientists say they think toxins from a blue-green algae plaguing lakes and rivers around the West are harming an endangered fish in the Klamath Basin, adding another obstacle to restoring species that have forced ...
