Posts Tagged ‘droughts’
Tree rings detail 470 years of ‘monsoon failure’
U. ARIZONA (US) — Tree rings in southwestern North America show that long-term droughts have been caused by a lack of both summer and winter rains. Continue…
Tuesday, March 12, 2013 12:12 - 0 Comments
Earth & Environment - Jan 23, 2013 11:08 - 4 Comments
Plants can go thirsty but only for so long
U. ARIZONA (US) — Many plants’ demand for water is flexible, but prolonged drought conditions have put their resilience to the test. (more…)
Science & Technology - Jan 16, 2013 17:35 - 2 Comments
Buried films keep thirsty plants growing
MICHIGAN STATE (US) — New water-saving membranes increased corn and vegetable production on test farms, despite drought conditions. (more…)
Earth & Environment - Nov 8, 2012 17:54 - 1 Comment
Climate change withered Maya civilization
PENN STATE / UC DAVIS (US) — A high-resolution climate record spanning 2,000 years shows how Maya political systems developed and fell apart in response to climate change, researchers report. (more…)
Earth & Environment - Oct 3, 2012 8:35 - 2 Comments
‘Grim’ forecast for trees in southwest US
U. ARIZONA (US) — Trees are facing rising drought stress and mortality as the climate warms, report researchers who studied tree-rings, climate records, and computer-model climate projections. (more…)
Earth & Environment - Sep 12, 2012 12:17 - 1 Comment
Next 10 years: Food crisis fueled by Asia’s droughts
U. LEEDS (UK) — Large parts of Asia face a higher risk of more severe droughts within the next 10 years, experts warn in a new report. (more…)
Earth & Environment - Aug 29, 2012 15:13 - 0 Comments
Diverse rainforests resilient to drought
U. LEEDS (UK) — Despite a 40-year drought, forest carbon stocks in protected West African rainforests increased, thanks to a dramatic shift to trees better adapted to dry conditions. (more…)
Earth & Environment - Aug 24, 2012 12:17 - 0 Comments
Gulf ‘dead zone’ shrinks during drought
TEXAS A&M (US) — The worst drought to hit the US in at least half a century may have created one of the smallest dead zones in the Gulf of Mexico in years, a recent survey shows. (more…)
Earth & Environment - Aug 17, 2012 11:53 - 5 Comments
Fossil pollen shows ancient Egypt’s mega-drought
U. PENNSYLVANIA (US) — Ancient pollen and charcoal from Egypt’s Nile Delta reveal that a society busy building pyramids also had to face a changing climate. (more…)
Earth & Environment - Aug 15, 2012 9:38 - 0 Comments
Soil ‘bugs’ help plants survive
MICHIGAN STATE (US) — Plants are often slow to respond to climate change. Lucky for them, microbes in the soil adapt quickly, doing most of the work so plants can survive. (more…)
Earth & Environment - Aug 3, 2012 11:47 - 0 Comments
Report: Climate will force California to adapt
UC DAVIS (US) — As climate change threatens to reshape California’s landscape, researchers are informing policymakers about the state’s vulnerability and suggesting ways to adapt. (more…)
Earth & Environment - Jul 2, 2012 14:57 - 0 Comments
US West ‘dry period’ may have been wet, too
U. PITTSBURGH / PENN STATE (US) —Tree rings and oxygen isotopes have allowed researchers to better pinpoint the history of droughts in the arid and semiarid areas of the American West. (more…)
