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Latest and Breaking Atmospheric Science News

2014 Antarctic ozone hole holds steady
(NASA/Goddard Space Flight Center) The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration. The size of this year's hole was 24.1 million square kilometers (9.3 million square miles) -- an area roughly the size of North America.

They know the drill: UW leads the league in boring through ice sheets
(University of Wisconsin-Madison) Hollow coring drills designed and managed by UW-Madison's Ice Drilling Design and Operations program are used to extract ice cores that can analyze the past atmosphere. Shaun Marcott, an assistant professor of geoscience at UW-Madison, was the first author of a paper published today in the journal Nature documenting carbon dioxide in the atmosphere between 23,000 and 9,000 years ago, based on data from an 11,000-foot hole in Antarctica.

Twenty-first Eastern Pacific tropical depression born on Oct. 30
(NASA/Goddard Space Flight Center) NOAA's GOES-West satellite captured an image of the birth of the Eastern Pacific Ocean's twenty-first tropical depression, located far south of Acapulco, Mexico.

Dartmouth study finds restoring wetlands can lessen soil sinkage, greenhouse gas emissions
(Dartmouth College) Restoring wetlands can help reduce or reverse soil subsidence and reduce greenhouse gas emissions, according to research in California's Sacramento-San Joaquin River Delta by Dartmouth College researchers and their colleagues.

University of Tennessee study finds saving lonely species is important for the environment
(University of Tennessee at Knoxville) Joe Bailey looked at endemic eucalyptus found in Tasmania. They discovered that these rare species have developed unique characteristics to survive, and that these characteristics may also impact the survival of its neighbors in the ecosystem.

NASA sees Cyclone Nilofar looking more like a comet than a tropical cyclone
(NASA/Goddard Space Flight Center) Tropical Cyclone Nilofar was closing in on the border between Pakistan and northwestern India on Oct. 30 when NASA's Terra satellite passed overhead from space. Wind shear continued to affect the storm making it appear more like a comet with a tail, than a tropical cyclone.

Female frogs modify offspring development depending on reproduction date
(FECYT - Spanish Foundation for Science and Technology) Global warming is altering the reproduction of plants and animals, notably accelerating the date when reproduction and other life processes occur. A study by the University of Uppsala, including the participation of Spanish researcher Germn Orizaola, has discovered that some amphibians are capable of making their offspring grow at a faster rate if they have been born later due to the climate.

Reef-builders with a sense of harmony
(Helmholtz Centre for Ocean Research Kiel (GEOMAR)) Cold-water corals of the species Lophelia pertusa are able to fuse skeletons of genetically distinct individuals. On dives with JAGO, a research submersible stationed at GEOMAR Helmholtz Centre for Ocean Research Kiel, scientists from Scotland and Germany made the first-ever discovery of branches of different colors that had flawlessly merged. The ability to fuse supports the reef stability and thus contributes to the success of corals as reef-builders of the deep sea.

Magma pancakes beneath Lake Toba
(GFZ GeoForschungsZentrum Potsdam, Helmholtz Centre) Where do the tremendous amounts of material that are ejected to from huge volcanic calderas during super-eruptions actually originate?

Doubt cast over air pollution link between childhood leukemia and power lines
(Institute of Physics) Researchers from the UK have called into question a theory suggesting that a previously reported risk of leukemia among children born close to overhead power lines could be caused by an alteration to surrounding air pollution.

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