News tagged with north atlantic oscillation
Past regional cold and warm periods linked to natural climate drivers
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.8 / 5 (19) |
31
Intervals of regional warmth and cold in the past are linked to the El Niño phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...
North Atlantic fish populations shifting as ocean temperatures warm
Nov 02, 2009 |
5 / 5 (1) |
0
About half of 36 fish stocks in the Northwest Atlantic Ocean, many of them commercially valuable species, have been shifting northward over the last four decades, with some stocks nearly disappearing from U.S. waters as they ...
Atlantic dynamo turned up the heat over Medieval Europe
Space & Earth / Earth Sciences
Apr 03, 2009 |
4.1 / 5 (11) |
2
(PhysOrg.com) -- In the April 3rd edition of Science a collaborative group of scientists from Switzerland, California and the UK report that medieval climate over Europe was heated by the North Atlantic Oscillation (NAO). ...
Study links swings in North Atlantic oscillation variability to climate warming
Space & Earth / Earth Sciences
Jan 13, 2009 |
4.1 / 5 (18) |
32
Using a 218-year-long temperature record from a Bermuda brain coral, researchers at the Woods Hole Oceanographic Institution (WHOI) have created the first marine-based reconstruction showing the long-term behavior of one ...
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Wind patterns could mask effects of global warming in ocean
Space & Earth / Earth Sciences
Feb 07, 2008 |
3.5 / 5 (20) |
3
Scientists at the University of Liverpool have found that natural variability in the earth’s atmosphere could be masking the overall effect of global warming in the North Atlantic Ocean. The research is published in journal ...
Oceanic seesaw links Northern and Southern hemisphere during abrupt climate change
Space & Earth / Earth Sciences
Feb 25, 2009 |
4 / 5 (13) |
8
Very large and abrupt changes in temperature recorded over Greenland and across the North Atlantic during the last Ice Age were actually global in extent, according to an international team of researchers led by Cardiff University.
Megadroughts in sub-Saharan Africa normal for the region
Space & Earth / Earth Sciences
Apr 16, 2009 |
4.3 / 5 (8) |
6
Devastating droughts worse than the infamous Sahel drought are part of the normal climate regime for sub-Saharan West Africa, according to new research.
North Atlantic warming tied to natural variability; but global warming may be at play elsewhere
Jan 03, 2008 |
3.8 / 5 (5) |
0
A Duke University-led analysis of available records shows that while the North Atlantic Ocean’s surface waters warmed in the 50 years between 1950 and 2000, the change was not uniform. In fact, the subpolar regions cooled ...
Sunlight has more powerful influence on ocean circulation and climate than North American ice sheets
Space & Earth / Earth Sciences
Nov 06, 2008 |
4.7 / 5 (33) |
11
A study reported in today's issue of Nature disputes a longstanding picture of how ice sheets influence ocean circulation during glacial periods.
Harbingers of increased Atlantic hurricane activity identified
Space & Earth / Earth Sciences
Aug 12, 2009 |
3.6 / 5 (16) |
6
Reconstructions of past hurricane activity in the Atlantic Ocean indicate that the most active hurricane period in the past was during the "Medieval Climate Anomaly" about a thousand years ago when climate ...
North Atlantic slows on the uptake of CO2
Space & Earth / Earth Sciences
Oct 20, 2007 |
4.1 / 5 (11) |
2
Further evidence for the decline of the oceans’ historical role as an important sink for atmospheric carbon dioxide is supplied by new research by environmental scientists from the University of East Anglia.
Larger Pacific Climate Event Helps Current La Nina Linger
Space & Earth / Earth Sciences
Apr 22, 2008 |
4.2 / 5 (25) |
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Boosted by the influence of a larger climate event in the Pacific, one of the strongest La Niñas in many years is slowly weakening but continues to blanket the Pacific Ocean near the equator, as shown by new ...
2009 Hurricane Season Should Contain No Surprises, Researchers Say
Space & Earth / Earth Sciences
Apr 09, 2009 |
3.5 / 5 (2) |
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(PhysOrg.com) -- Researchers at North Carolina State University believe that 2009 will bring a near-normal hurricane season, with storm activity in the Atlantic basin and the Gulf of Mexico slightly above the averages of ...
Stratospheric ozone chemistry plays an important role for atmospheric airflow patterns
Space & Earth / Earth Sciences
Mar 08, 2008 |
4.7 / 5 (3) |
0
Interactions between the stratospheric ozone chemistry and atmospheric air flow lead to significant changes of airflow patterns from the ground up to the stratosphere. This is the result of climate simulations, ...
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