News tagged with water flow
Water levels dropping in some major rivers as global climate changes
Rivers in some of the world's most populous regions are losing water, according to a new comprehensive study of global stream flow. The study, led by scientists at the National Center for Atmospheric Research ...
Space & Earth / Earth Sciences
Apr 21, 2009 |
4.3 / 5 (20) |
0
Turning the tide to energy
NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...
Mar 06, 2009 |
3.3 / 5 (23) |
6
Hydrokinetic proposal for Mississippi river
(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water ...
Technology / Energy & Green Tech
Mar 23, 2010 |
4.5 / 5 (12) |
10
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First rainforests arose when plants solved plumbing problem
A team of scientists, including several from the Smithsonian Institution, discovered that leaves of flowering plants in the world's first rainforests had more veins per unit area than leaves ever had before. ...
May 03, 2011 |
4.8 / 5 (9) |
0
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1,000m underground central heating system planned
(PhysOrg.com) -- A pioneering scheme to build a giant central heating system that will harness heat from deep underground is being developed by university scientists.
Space & Earth / Earth Sciences
Jan 12, 2010 |
5 / 5 (6) |
3
Jumping droplets take a lot of heat
Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.
Dec 12, 2011 |
5 / 5 (6) |
0
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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 |
4 / 5 (7) |
8
Some Canadian rivers at risk of drying up
(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.
Oct 15, 2009 |
3 / 5 (8) |
3
Membrane filters are key to future of public water supply, scientists say
As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants ...
Apr 21, 2009 |
4.4 / 5 (5) |
0
Drought halts shipping on China's Yangtze
Drought on China's Yangtze river has led to historically low water levels that have forced authorities to halt shipping on the nation's longest waterway, the government and media said Thursday.
May 12, 2011 |
5 / 5 (3) |
0
UN study advises caution over dams
(AP) -- A dam-building spree in China poses the greatest threat to the future of the already beleaguered Mekong, one of the world's major rivers and a key source of water for the region, a U.N. report said ...
May 21, 2009 |
3.3 / 5 (4) |
2
Current water resources in Europe and Africa
A new assessment of available water resources, published today by the Joint Research Centre (JRC), reveals that large areas in Spain and Eastern Europe have on average less than 200 mm freshwater available ...
Mar 14, 2012 |
5 / 5 (2) |
0
War on willows
Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...
Jul 29, 2011 |
3 / 5 (2) |
0
MRI zooms in on microscopic flow (w/ Video)
(PhysOrg.com) -- MRI images of water flow through a constricted microfluidic channel with the XZ axis on the left and the YZ axis on the right. Note that fast moving components directly aligned with the constricted ...
Chemistry / Analytical Chemistry
Oct 07, 2010 |
5 / 5 (1) |
1
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Faster water flow means greater diversity of invertebrate marine life
One of biggest factors promoting the diversity of coastal ocean life is how fast the water flows, according to new research by ecologists at Brown University. Experiments and observation in Palau, Alaska, ...
Nov 17, 2010 |
5 / 5 (1) |
1
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