News tagged with river basin
Could cap and trade for water solve problems facing the United States' largest rivers?
Lake Mead, on the Colorado River, is the largest reservoir in the United States, but users are consuming more water than flows down the river in an average year, which threatens the water supply for agriculture and households. ...
May 17, 2012 |
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The desert Southwest: Oasis or mirage?
(Phys.org) -- The American West has a drinking problem. On farms and in cities, we are guzzling water at an alarming rate.
May 09, 2012 |
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Planned dams in Amazon may have largely negative ecosystem impact
The Andean Amazon is becoming a major frontier for new hydroelectric dams, but an analysis of the potential impacts of these planned projects suggests that there may be serious ecological concerns to take into account. The ...
Apr 18, 2012 |
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Scientists developing poison pill for Asian carp
Biologist Jon Amberg has spent the last two years obsessed with fish guts, laboring over a singular challenge: Develop a poison pill that will kill Asian carp and leave other fish unscathed.
Apr 03, 2012 |
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Weathering of rocks impacts climate change
Chemical weathering of rocks by carbon dioxide dissolved in rainwater has never been taken into account in models of future climate change so far. However, researchers from the Laboratoire Géosciences ...
Mar 05, 2012 |
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New study of global freshwater scarcity
A new report published in the online journal PLoS ONE, analyzing water consumption in 405 river basins around the world, found that water scarcity impacts at least 2.7 billion people for at least one month each year. ...
Mar 01, 2012 |
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Small-scale gold mining impacts river algae in French Guiana
Small-scale gold mining in French Guiana is having long-term effects on diatoms, small single-celled algae, by eliminating the species that are most vulnerable to water turbidity. The findings come from research ...
Feb 29, 2012 |
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Extreme droughts could increase by 15 percent in Spain by the middle of the century
A team at the Polytechnic University of Cartagena has designed a new method for calculating drought trends. Initial results suggest that by the year 2050 there could be a 15% increase compared to the droughts ...
Jan 26, 2012 |
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An ecosystem being transformed: Yellowstone 15 years after the return of wolves
On the 15th anniversary of the return of wolves to Yellowstone National Park, a quiet but profound rebirth of life and ecosystem health is emerging, scientists conclude in a new report.
Dec 21, 2011 |
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USAID, CU-Boulder partner to study water resources in Asia mountains
A University of Colorado Boulder team is partnering with the United States Agency for International Development to assess snow and glacier contributions to water resources originating in the high mountains ...
Space & Earth / Earth Sciences
Dec 06, 2011 |
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Scientists confirm Himalayan glacial melting
Glaciers in the Himalayas have shrunk by as much as a fifth in just 30 years, scientists have claimed in the first authoritative confirmation of the effects of climate change on the region.
Dec 05, 2011 |
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New reports identify impacts of climate change on world's highest mountains
Findings from the most comprehensive assessment to date on climate change, snow and glacier melt in Asia's mountainous Hindu Kush-Himalayan (HKH) region -- site of Mount Everest and many of the world's tallest peaks -- highlight ...
Space & Earth / Earth Sciences
Dec 04, 2011 |
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Plan for crucial Australian rivers draws anger
Farmers Monday slammed the government's draft plan to rescue a crucial river system supplying Australia's food bowl, saying it will destroy communities and put pressure on food prices.
Nov 28, 2011 |
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Climate change 'threatens Nile, Limpopo rivers'
Rising global temperatures and shifting rainfall patterns could affect water flows on Africa's mighty Nile and Limpopo rivers, an agricultural research group said Monday.
Nov 14, 2011 |
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Major river basins have enough water to sustainably double food production in the coming decades
While water-related conflicts and shortages abound throughout the rapidly changing societies of Africa, Asia and Latin America, there is clearly sufficient water to sustain food, energy, industrial and environmental needs ...
Sep 26, 2011 |
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