Science news articles about 'water productivity'

  • Water: The forgotten crisis

    ... scientists, unless we change the way we use water and increase "water productivity" (i.e. more crop ... , we cannot afford to neglect the provision and improved productivity of water for agriculture. There are potential solutions. Better ...
  • Katrina and Rita provide glimpse of what could happen to offshore drilling if Gustav hits Gulf

    ... could be steep to an energy company. "If one major deep-water production platform is destroyed, you're ... at all-time highs this year, U.S. oil production in the Gulf of Mexico has a direct impact on gasoline ...
  • Population growth puts dent in natural resources

    ... food production, Criss says. In many areas, especially the West, this is being done by "mining" ground water to irrigate ... and another one is drilled. Ground water production leads to dropping water levels in many places and subsidence ...
  • Getting into hot water

    ... the various costs and benefits involved in solar hot-water production. They have compared solar hot-water production per liter with electrical energy approaches and found that solar heating is 57 percent ...
  • Crop models help increase yield per unit of water used

    ... , or yield per unit of water used), also known as crop water productivity, can be improved through irrigation ... yield decline). Thus, WUE is key for agricultural production with limited water resources. Policymakers ...
  • Researchers achieve major breakthrough with water desalination system

    ... to evaluate and demonstrate the feasibility of water production from different source waters. "We believe systems such as the M3 ... the ability to sustain agricultural productivity in the region." Cohen's team is working with water agencies and industries ...
  • Desalination technology increases naval capabilities

    ... technology demonstrator was designed as a deployable high water production unit more easily transported by the military ... , we would get only 200 gallons product water. These new systems will likely double that." Michelle ...
  • Greenland Ice Cap Melting In A Hurry, Study Suggests

    ... loss is equally distributed between increased iceberg production, driven by acceleration of Greenland's fast-flowing outlet glaciers, and increased melt water production at the ice sheet surface. Recent ...
  • From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau

    ... connections may have promoted the increased surface water productivity evidenced by the abundance of planktonic fossils preserved in the sediment cores of this age. "Increased productivity would have drawn carbon dioxide down ...
  • Sustainable biofuels from forests, grasslands and rangelands

    ... , and sponsored by the Energy Foundation, these reports explore the production and use of biofuels from an ecological perspective. Biofuels are liquid ... biomass, including balancing energy demands with water production, wildlife habitats and carbon sequestration ...
  • New method for estimating cost of small hydropower projects

    ... plant, a dam is constructed to store the seasonal water for power generation," explains Singal. Some dams ... for other purposes -- such as flood mitigation, irrigation, and drinking water production. "These dams are not constructed for power generation ...
  • International Space Station water system successfully activated

    NASA has announced the successful activation of new hardware that will support water production services aboard the International Space Station.
  • NJIT prof offers new desalination process using carbon nanotubes

    ... dramatic increases in both reductions in salt and water production. "That's a remarkable accomplishment and one we are proud to publish," said Mitra. Another advantage is that the new process can facilitate ...
  • SOHO watches a comet fading away

    ... . 14 to Dec. 15. Surprisingly, the comet's water production in 1997 was three times the amount ... seven times on Sept. 17 -- at a time when water production was only gently increasing. "Analysis of all this data ...
  • New design could improve condenser performance

    ... of heat transfer in a powerplant condenser, or the rate of water production in a desalination plant. With this new treatment, "drops can glide on the surface," Varanasi says, floating like ...

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