News tagged with climate dynamics
Related topics: climate change , climate
Annual Arctic sea ice less reflective than old ice
In the Arctic Ocean, the blanket of permanent sea ice is being progressively replaced by a transient winter cover. In recent years the extent of the northern ocean's ice cover has declined. The summer melt season is starting ...
Space & Earth / Earth Sciences
May 17, 2012 |
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In forests, past disturbances obscure warming impacts
Past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. So reports a study just published in the Proceedings of the National Academy of Sciences. The paper, explor ...
Mar 05, 2012 |
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Mapping tool analyzes how climate change, conflict and aid intersect in Africa
Researchers have developed a new dynamic mapping tool that will help policymakers and other groups determine a country's vulnerabilities to climate change and conflicts and show how these two issues intersect in Africa. ...
Mar 02, 2012 |
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Testing geoengineering
Solar radiation management is a class of theoretical concepts for manipulating the climate in order to reduce the risks of global warming caused by greenhouse gasses. But its potential effectiveness and risks are uncertain, ...
Oct 26, 2011 |
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Can scientists look at next year's climate?
(PhysOrg.com) -- Is it possible to make valid climate predictions that go beyond weeks, months, even a year? UCLA atmospheric scientists report they have now made long-term climate forecasts that are among ...
Space & Earth / Earth Sciences
Sep 12, 2011 |
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Supercomputers may help predict climate changes locally
Even a century ago, scientists working out equations on paper understood that gases in the atmosphere absorbed and emitted energy, keeping Earth from being a ball of ice. Today they use supercomputers to make increasingly ...
Space & Earth / Earth Sciences
Aug 07, 2011 |
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Looking ahead to local climate models
When research scientist Jim Kinter describes the interactions between the Earth's ocean, land and atmosphere, he talks of dancing. "The atmosphere and the ocean, and the atmosphere and the land surface have ...
Space & Earth / Earth Sciences
Jul 15, 2011 |
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Rediscovering sound soil management
At the same time that demand for food is soaring along with the world's population, the soil's ability to sustain and enhance agricultural productivity is becoming increasingly diminished and unreliable.
May 10, 2011 |
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Climate change's impact on Arctic regions by 2099: study
(PhysOrg.com) -- Imagine the vast, empty tundra in Alaska and Canada giving way to trees, shrubs and plants typical of more southerly climates. Imagine similar changes in large parts of Eastern Europe, northern ...
Space & Earth / Earth Sciences
Mar 14, 2011 |
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Shrinking tundra, advancing forests: How the Arctic will look by century's end
Imagine the vast, empty tundra in Alaska and Canada giving way to trees, shrubs and plants typical of more southerly climates. Imagine similar changes in large parts of Eastern Europe, northern Asia and Scandinavia, as needle-leaf ...
Space & Earth / Earth Sciences
Mar 03, 2011 |
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Using supercomputers to explore ice sheet dynamics
Recently, Rhode Island-sized chunks of ice have separated from Greenland and Antarctica, garnering worldwide attention. But is this calving due to typical seasonal variations or a long-term warmer world? Climate ...
Space & Earth / Earth Sciences
Feb 28, 2011 |
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More frequent drought likely in eastern Africa
The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as global temperatures continue to rise, according to new research published in Climate Dy ...
Space & Earth / Earth Sciences
Jan 28, 2011 |
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Fatal floods in Africa
When natural disasters claim human lives, it's important to determine whether the problem is geophysical or cultural. A new study shows that the large upswing in flood deaths in Africa over past decades is ...
Space & Earth / Earth Sciences
Dec 16, 2010 |
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Climate change: Cultural shift needed similar to smoking, slavery
(PhysOrg.com) -- Despite scientific evidence of climate change, it will take a significant cultural shift in attitudes to address the situation, says a University of Michigan researcher.
Other Sciences / Social Sciences
Oct 27, 2010 |
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Marine protected areas conserve Mediterranean red coral
A team of Spanish and French researchers has undertaken a pioneer analysis of red coral populations in the oldest Marine Protected Areas (MPA) in the Mediterranean and the impact that fishing activity has ...
May 11, 2010 |
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