Posts Tagged ‘atmospheric sciences’
Volcanoes likely sparked Little Ice Age
U. COLORADO-BOULDER (US) — Four massive tropical volcanic eruptions that occurred over a span of 50 years may have triggered Earth’s enigmatic Little Ice Age. Continue…
Tuesday, January 31, 2012 10:47 - 2 Comments
Top Stories - Jan 31, 2012 9:57 - 1 Comment
Sulfate injections may not save the arctic
U. WASHINGTON (US) — New research shows that injecting sulfate particles into the stratosphere could be a dangerous attempt to fix climate warming. (more…)
Earth & Environment - Jan 30, 2012 13:03 - 0 Comments
American ozone depletes European wheat
U. LEEDS (UK) — Air pollution from North America causes Europe to lose 1.2 million tons of wheat a year, a new study shows. (more…)
Earth & Environment - Jan 19, 2012 12:17 - 2 Comments
Climate conflict: Sea level vs. surface temp
PENN STATE (US) — Engineering our way out of global climate warming may not be as easy as simply reducing the incoming solar energy, a research team concludes. (more…)
Top Stories - Jan 5, 2012 12:17 - 5 Comments
Computer model explains Titan mystery
CALTECH (US) — A new computer model may explain the mysterious polar lakes, rainstorms, and clouds on Titan, Saturn’s largest moon. (more…)
Earth & Environment - Dec 21, 2011 14:48 - 0 Comments
Nitrogen ‘double whammy’ could alter lakes
U. WASHINGTON (US) — Nitrogen derived from human activities has polluted lakes for more than a century. The fingerprint is evident even in remote lakes thousands of miles from the nearest city. (more…)
Earth & Environment - Dec 15, 2011 15:16 - 2 Comments
Can computers predict the next tsunami?
STANFORD (US) — Scientists have developed computational models of the earthquake and resulting tsunami that devastated Japan in 2010 in order to predict disasters of the same scale. (more…)
Earth & Environment - Dec 7, 2011 10:00 - 0 Comments
Carbon dioxide: The global heat dial?
PURDUE / YALE (US) — A drop in carbon dioxide appears to be the driving force that led to the Antarctic ice sheet’s formation, according to a recent study of molecules from ancient algae found in deep-sea core samples. (more…)
Earth & Environment - Dec 6, 2011 10:03 - 0 Comments
Earth’s oxygen came in ‘starts and stops’
PENN STATE (US) — The appearance of oxygen in the Earth’s atmosphere probably did not occur as a single event, according to an international team of researchers who investigated rock cores. (more…)
Earth & Environment - Nov 23, 2011 12:40 - 0 Comments
Deforestation’s effects? Location, location
UC DAVIS (US) — The impact of deforestation on global warming varies with latitude, a finding that calls for revised climate-monitoring strategies, a new study shows. (more…)
Earth & Environment - Nov 17, 2011 21:46 - 3 Comments
Day-to-day weather more erratic, extreme
PRINCETON (US) — The first climate study to focus on variations in daily weather conditions finds increasing extremes, with fluctuations in sunshine and rainfall affecting more than a third of the planet. (more…)
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…)
Earth & Environment - Oct 18, 2011 9:43 - 0 Comments
Vehicles pump out more ammonia in winter
RICE U. (US) — The seasons play a role in the amount of ammonia produced by cars and trucks, with output greatest during the winter months, according to a new study. (more…)
Earth & Environment - Oct 4, 2011 10:42 - 0 Comments
Autumn predicts fate of summer sea ice
U. WASHINGTON (US) — Relatively accurate predictions for the extent of Arctic sea ice in a given summer can be made by assessing conditions the previous autumn—but only to a point. (more…)
Earth & Environment - Sep 30, 2011 13:48 - 0 Comments
Rock nitrogen helps trees soak up CO2
UC DAVIS (US) — Forest trees have the ability to tap into nitrogen found in rocks, boosting the trees’ growth and their ability to pull more carbon dioxide from the atmosphere.
(more…)
Earth & Environment - Sep 19, 2011 11:51 - 1 Comment
Downward slide for arctic sea ice
U. COLORADO-BOULDER (US) — The blanket of sea ice that floats on the Arctic Ocean appears to have reached its lowest extent for 2011, the second lowest recorded since satellites began measuring it in 1979. (more…)
Earth & Environment - Sep 15, 2011 11:15 - 5 Comments
Don’t blame clouds for climate change
TEXAS A&M (US) — Clouds are not the root cause of climate change, but only amplify global warming brought on by human activity, according to a new study. (more…)
Health & Medicine - Sep 15, 2011 11:04 - 0 Comments
Toxic metals mix it up in California air
UC DAVIS (US) — Very fine and ultrafine metal particles in the air are able to penetrate deep into the lungs and cardiovascular system, damaging arteries and the heart itself. (more…)
Science & Technology - Sep 12, 2011 11:44 - 0 Comments
Solar flares keep going and going
U. COLORADO-BOULDER (US) — Energy from solar flares is stronger and can last up to five hours longer than previously thought, according to data from NASA’s Solar Dynamics Observatory. (more…)
