News tagged with water stress
A new tool for mapping water use and drought
Farmers and water managers may soon have an online tool to help them assess drought and irrigation impacts on water use and crop development, thanks to the work of two U.S. Department of Agriculture (USDA) ...
Feb 08, 2012 |
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PCE in drinking water linked to an increased risk of mental illness
PCE in drinking water linked to an increased risk of mental illness
Jan 20, 2012 |
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NASA studies vegetation canopy water content, soil moisture
(PhysOrg.com) -- Scientists seeking insight into the role vegetation plays in water fluctuation between soil and the atmosphere recently conducted research using specialized sensors during a series of NASA ...
Space & Earth / Earth Sciences
Dec 22, 2011 |
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Climate: which nations, cities most at risk?
A third of humanity, mostly in Africa and South Asia, face the biggest risks from climate change but rich nations in northern Europe will be least exposed, according to a report released Wednesday.
Oct 26, 2011 |
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A new transporter gene that regulates plant transpiration
When plants feel stress from a lack of water, they close their epidermal pores, or stomata, to prevent water loss via transpiration. Each stoma is flanked by a pair of guard cells, which change shape to close or open stomata ...
Sep 09, 2011 |
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Irrigation's impacts on global carbon uptake
Globally, irrigation increases agricultural productivity by an amount roughly equivalent to the entire agricultural output of the U.S., according to a new University of Wisconsin-Madison study.
Aug 25, 2011 |
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Pacific Northwest trees struggle for water while standing in it
Contrary to expectations, researchers have discovered that the conifers of the Pacific Northwest, some of the tallest trees in the world, face their greatest water stress during the region's eternally wet ...
Jul 25, 2011 |
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Weather conditions could results in cattle heat stress
Cattle producers should be aware that forecasted weather conditions could result in significant heat stress issues in cattle. The US Meat Animal Research Center predicts danger or emergency conditions through most of South ...
Jul 19, 2011 |
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Europe faces drought and flood burden: climate scientist
A leading climate scientist warned Tuesday that Europe should take action over increasing drought and floods, stressing that some climate change trends were clear despite variations in predictions.
Apr 12, 2011 |
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Examining climate change effects on wheat
Wheat growers in the Southwest have a better idea about how to adjust to climate change in the decades ahead, thanks to U.S. Department of Agriculture (USDA) scientists in Arizona.
Feb 24, 2011 |
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Time to find a second Earth, WWF says
Carbon pollution and over-use of Earth's natural resources have become so critical that, on current trends, we will need a second planet to meet our needs by 2030, the WWF said on Wednesday.
Oct 13, 2010 |
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Crop failures set to increase under climate change
Large-scale crop failures like the one that caused the recent Russian wheat crisis are likely to become more common under climate change due to an increased frequency of extreme weather events, a new study shows.
Oct 07, 2010 |
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Climate: Risks loom for China: study
Climate change could reduce key harvests in China by a fifth if the gloomiest scenarios prove true, according to a study on Wednesday.
Sep 01, 2010 |
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Plants give up some deep secrets of drought resistance
In a study that promises to fill in the fine details of the plant world's blueprint for surviving drought, a team of Wisconsin researchers has identified in living plants the set of proteins that help them withstand water ...
Aug 23, 2010 |
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Drought drives decade-long decline in plant growth
Earth has done an ecological about-face: Global plant productivity that once flourished under warming temperatures and a lengthened growing season is now on the decline, struck by the stress of drought.
Space & Earth / Earth Sciences
Aug 19, 2010 |
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