News tagged with climate variability
Handful of heavyweight trees per acre are forest champs
Big trees three or more feet in diameter accounted for nearly half the biomass measured at a Yosemite National Park site, yet represented only one percent of the trees growing there.
May 02, 2012 |
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Team identifies water vulnerability in border region
The Arizona-Sonora region has been called the front line of ongoing climate change, with global climate models projecting severe precipitation decreases and temperature increases coupled with vulnerability ...
Apr 17, 2012 |
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Models underestimate future temperature variability; Food security at risk
Climate warming caused by greenhouse gases is very likely to increase the variability of summertime temperatures around the world by the end of this century, a University of Washington climate scientist said Friday. The findings ...
Feb 17, 2012 |
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Ancient midges offer clues to climate variability 10,000 years ago
An analysis of the remains of ancient midges – tiny non-biting insects closely related to mosquitoes – opens a new window on the past with a detailed view of the surprising regional variability that ...
Space & Earth / Earth Sciences
Nov 14, 2011 |
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800,000 years of Greenland's abrupt climate variability
An international team of scientists, led by Dr Stephen Barker of Cardiff University, has produced a prediction of what climate records from Greenland might look like over the last 800,000 years.
Space & Earth / Earth Sciences
Sep 08, 2011 |
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Arctic ice melt could pause for several years, then resume again
Although Arctic sea ice appears fated to melt as the climate continues to warm, the ice may temporarily stabilize or somewhat expand at times over the next few decades, new research indicates.
Space & Earth / Earth Sciences
Aug 11, 2011 |
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La Ninas distant effects in East Africa
For 20 000 years, climate variability in East Africa has been following a pattern that is evidently a remote effect of the ENSO phenomenon (El Niño Southern Oscillation) known as El Niño/La Niña. ...
Space & Earth / Earth Sciences
Aug 04, 2011 |
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How important are climate models for revealing the causes of environmental change?
The human impact on the environment, especially through the release of greenhouse gases, is an area of controversy in public understanding of climate change, and is important for predicting future changes. Many studies into ...
Jun 06, 2011 |
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Lord of the tree rings
Trees are outstanding historians. In fact, scientists dating back to Leonardo da Vinci recognized the value of trees. While others had figured out that you could determine the age of a tree by counting its ...
Apr 04, 2011 |
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Arctic climate variation under ancient greenhouse conditions
Tiny organisms preserved in marine sediments hold clues about Arctic climate variation during an ancient episode of greenhouse warming.
Space & Earth / Earth Sciences
Feb 11, 2011 |
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Antarctic sea temperatures cooled in Holocene but now rising: study
(PhysOrg.com) -- A new study of an ocean sediment core taken from deep water off the coast of the western Antarctic Peninsula is beginning to fill in some of the gaps in our knowledge of climate variability ...
Space & Earth / Earth Sciences
Feb 10, 2011 |
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Climate flux matched Europe's social rise and fall
Ancient tree rings show links between climate change and major events in human history, like migrations, plagues and the rise and fall of empires, said a study this week in the journal Science.
Space & Earth / Earth Sciences
Jan 14, 2011 |
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Research provides better understanding of long-term changes in the climate system
For more than a decade, Dr. Joseph Ortiz, associate professor of geology at Kent State University and part of an international team of National Science Foundation (NSF)-funded researchers, has been studying ...
Space & Earth / Earth Sciences
Dec 02, 2010 |
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Study indicates changing climate in the Australian South-East
Despite recent rainfall in parts of eastern Australia, a recently released scientific report indicates an increasing risk of below-average rainfall and runoff into streams, and drier conditions into the future ...
Oct 25, 2010 |
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SERVIR: Program brings satellite imagery, decision support tools to Himalayan region
NASA and USAID are expanding SERVIR to the Himalayas to address critical issues such as land cover change, air quality, glacial melt and adaptation to climate change. The agencies are working in partnership ...
Space & Earth / Space Exploration
Oct 06, 2010 |
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