News tagged with oceanic carbon

Humans 'damaging the oceans': research

Mounting evidence that human activity is changing the world's oceans in profound and damaging ways is outlined in a new scientific discussion paper released today.

Space & Earth / Environment

created Jul 29, 2009 | popularity 4.2 / 5 (10) | comments 14

Massive glacier in sub-Antarctic island shrinks by a fifth

One of the biggest glaciers in the southern hemisphere shrivelled by a fifth in 40 years, French scientists said on Wednesday.

Space & Earth / Earth Sciences

created Jul 22, 2009 | popularity 3.6 / 5 (8) | comments 0

Mystery mechanism drove global warming 55 million years ago

A runaway spurt of global warming 55 million years ago turned Earth into a hothouse but how this happened remains worryingly unclear, scientists said on Monday.

Space & Earth / Earth Sciences

created Jul 13, 2009 | popularity 4.2 / 5 (26) | comments 24

Iron and biological production in the high-latitude North Atlantic

Southampton scientists have demonstrated an unexpected role of iron in regulating biological production in the high-latitude North Atlantic. Their findings have important implications for our understanding of ocean-climate ...

Space & Earth / Earth Sciences

created Jul 07, 2009 | popularity 5 / 5 (4) | comments 0

Global warming tactic cools climate but won’t help corals, say researchers

(PhysOrg.com) -- “Geoengineering” experiments proposed to reduce global warming by blocking sunlight with atmosphere-injected particles may cool the world but still leave carbon dioxide levels dangerously high, Stanford scientists ...

Space & Earth / Earth Sciences

created Jul 03, 2009 | popularity 2.5 / 5 (8) | comments 6

High carbon dioxide levels cause abnormally large fish ear bones

Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San Diego has ...

Biology / Ecology

created Jun 25, 2009 | popularity 3 / 5 (2) | comments 1

Ozone hole reduces atmospheric CO2 uptake in the Southern Ocean

Does ozone have an impact on the ocean's role as a "carbon sink"? Yes, according to researchers from France. Using original simulations, they have demonstrated that the hole in the ozone layer reduces atmospheric carbon uptake ...

Space & Earth / Earth Sciences

created Jun 24, 2009 | popularity 2.3 / 5 (3) | comments 2

Rising acidity levels could trigger shellfish revenue declines, job losses

hanges in ocean chemistry -- a consequence of increased carbon dioxide (CO2) emissions from human industrial activity — could cause U.S. shellfish revenues to drop significantly in the next 50 years, according ...

Space & Earth / Environment

created Jun 17, 2009 | popularity 2.8 / 5 (10) | comments 2

Global sunscreen won't save corals

Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification ...

Biology / Ecology

created Jun 16, 2009 | popularity 4.4 / 5 (13) | comments 1

Scientists: Global warming has already changed oceans

In Washington state, oysters in some areas haven't reproduced for four years, and preliminary evidence suggests that the increasing acidity of the ocean could be the cause. In the Gulf of Mexico, falling oxygen levels in ...

Space & Earth / Earth Sciences

created Jun 10, 2009 | popularity 4.2 / 5 (63) | comments 4

Scientists set 2020 goal for improving Pacific Ocean's health

The world faces well-known milestones for reducing carbon dioxide emissions in the coming decades to reduce the dangers of climate change. Now an international consortium is doing the same to demand action against threats ...

Space & Earth / Environment

created Jun 01, 2009 | popularity 3.8 / 5 (14) | comments 2

Meteorite bombardment may have made Earth more habitable

(PhysOrg.com) -- Large bombardments of meteorites approximately four billion years ago could have helped to make the early Earth and Mars more habitable for life by modifying their atmospheres, suggests the ...

Space & Earth / Earth Sciences

created Jun 01, 2009 | popularity 4.3 / 5 (7) | comments 3

Who will pick up the bill? Possible job cuts and revenue loss as a result of ocean acidification

Ocean acidification, a direct result of increased CO2 emission, is set to change the Earth's marine ecosystems forever and may have a direct impact on our economy, resulting in substantial revenue declines and job losses.

Space & Earth / Environment

created Jun 01, 2009 | popularity 4.1 / 5 (39) | comments 4

Studies shed light on collapse of coral reefs (w/Video)

An explosion of knowledge has been made in the last few years about the basic biology of corals, researchers say in a new report, helping to explain why coral reefs around the world are collapsing and what ...

Space & Earth / Environment

created May 28, 2009 | popularity 3.7 / 5 (3) | comments 0

Shellfish face an uncertain future in a high CO2 world

Overfishing and disease have decimated shellfish populations in many of the world's temperate estuarine and coastal ecosystems. Smithsonian scientists, led by Whitman Miller, ecologist at the Smithsonian Environmental Research ...

Space & Earth / Environment

created May 27, 2009 | popularity 1 / 5 (3) | comments 2