Posts Tagged ‘drought’
Climate shifts spell trouble for walnut trees
PURDUE (US) — Warmer, drier summers and extreme weather events considered possible as the climate changes would be especially troublesome—possibly fatal—for walnut trees, according to new research. Continue…
Thursday, December 1, 2011 11:38 - 2 Comments
Earth & Environment - Nov 17, 2011 10:43 - 1 Comment
Polluted air makes droughts, floods worse
U. MARYLAND (US) — Rising air pollution can strongly affect cloud formation in a way that can make floods and droughts even worse, a new study finds. (more…)
Science & Technology - Sep 27, 2011 16:45 - 1 Comment
Plants create water-rich spots around roots
UC DAVIS (US) — Soil scientists have shown for the first time that the soil around plant roots contains more water than does soil in other areas. (more…)
Earth & Environment - Aug 25, 2011 10:17 - 0 Comments
Drought simulators put crops to the test
U. MISSOURI (US) — Researchers have constructed two drought simulators to take a closer look at the effects of water deficiency on crops. (more…)
Earth & Environment - May 12, 2011 16:02 - 0 Comments
2,300 years of data warn of drought
U. PITTSBURGH (US) — A sediment core from a lake in the Andes Mountains suggests that as temperatures rise, summer monsoons will lessen, causing densely populated tropical regions to experience severe water shortages. (more…)
Science & Technology - Apr 13, 2011 13:27 - 1 Comment
Reset plants’ clock to wintertime
MICHIGAN STATE (US) — A circadian clock helps plants know when it’s time to kick their tolerance to freezing temperatures into high gear. (more…)
Earth & Environment - Feb 4, 2011 15:23 - 1 Comment
Amazon droughts could tip carbon scale
U. LEEDS (UK) — Two major droughts have scientists concerned that the Amazon rainforest will shift from being a carbon sponge to being a major greenhouse gas producer. (more…)
Earth & Environment - Dec 14, 2010 12:10 - 0 Comments
From space, keep tabs on groundwater
STANFORD (US) — Researchers have found a way to use satellites to see past crops and check water systems underground for signs of overuse. (more…)
Earth & Environment - Nov 2, 2010 10:37 - 0 Comments
Warmer temps linked to rainfall extremes
DUKE (US) — A doubling of abnormally wet or dry summer weather in the southeastern United States in recent decades has come from an intensification of the summertime North Atlantic Subtropical High (NASH), or “Bermuda High.” (more…)
Earth & Environment - Sep 9, 2010 11:39 - 0 Comments
Helping African farmers help themselves
CORNELL (US)—Two efforts led by researchers at Cornell University aim to improve soil health and advance plant breeding on small farms in Africa to lessen food insecurity, hunger, and poverty. (more…)
Society & Culture - Jun 8, 2010 16:12 - 0 Comments
Jamestown oysters record massive drought
UC DAVIS (US)—Oyster shells dumped in a well four centuries ago are shedding new light on the crippling drought that nearly wiped out the English settlement at Jamestown, Va., in its early years. (more…)
Earth & Environment - Jan 18, 2010 13:02 - 1 Comment
Thirsty cities should mix it up
PENN STATE—To save money, avoid surpluses, and reduce shortages, urban water planners should combine three approaches to buy water: permanent rights, options, and lease. (more…)
Earth & Environment - Jul 21, 2009 12:32 - 0 Comments
Out West, hotter temps shrink water supply
Lake Powell in Utah is one of several massive Colorado River reservoirs that could be severely depleted in the coming decades as a result of warming temperatures in the West, according to a new study led by the University of Colorado at Boulder. (Courtesy: Bureau of Reclamation)
