News tagged with oceanic carbon

Controversial new climate change results

(PhysOrg.com) -- New data show that the balance between the airborne and the absorbed fraction of CO2 has stayed approximately constant since 1850, despite emissions of CO2 having risen from about 2 billion ...

Space & Earth / Environment

created Nov 10, 2009 | popularity 4.1 / 5 (49) | comments 131

Australian scientists call for urgent 'global cooling' to save coral reefs

(PhysOrg.com) -- Australian marine scientists have issued an urgent call for massive and rapid worldwide cuts in carbon emissions, deep enough to prevent atmospheric CO2 levels rising to 450 parts per million (ppm).

Space & Earth / Environment

created Nov 09, 2009 | popularity 1.8 / 5 (5) | comments 2

Ocean acidification may contribute to global shellfish decline

Relatively minor increases in ocean acidity brought about by high levels of carbon dioxide have significant detrimental effects on the growth, development, and survival of hard clams, bay scallops, and Eastern ...

Space & Earth / Earth Sciences

created Oct 26, 2009 | popularity 2.7 / 5 (7) | comments 2

Seafloor Fossils Provide Clues on Climate Change

Deep under the sea, a fossil the size of a sand grain is nestled among a billion of its closest dead relatives. Known as foraminifera, these complex little shells of calcium carbonate can tell you the sea ...

Space & Earth / Earth Sciences

created Oct 22, 2009 | popularity 4 / 5 (6) | comments 1

Acidic clouds nourish world's oceans

Scientists at the University of Leeds have proved that acid in the atmosphere breaks down large particles of iron found in dust into small and extremely soluble iron nanoparticles, which are more readily used by plankton.

Space & Earth / Earth Sciences

created Oct 05, 2009 | popularity 4.7 / 5 (3) | comments 0

Corals 'could starve in high CO2'

(PhysOrg.com) -- As human activity pumps more and more carbon into the atmosphere, a new threat has emerged to the world's coral reefs - starvation.

Biology / Ecology

created Oct 05, 2009 | popularity 2 / 5 (4) | comments 1

Polar Sea Ice replicated in Hamburg

(PhysOrg.com) -- As northern Europe enjoys a rather warm start to autumn, an international team of 20 polar scientists have brought icy winter conditions to the middle of Hamburg, Germany. They are studying the effect of ...

Space & Earth / Earth Sciences

created Sep 28, 2009 | popularity 1 / 5 (1) | comments 0

Ocean acidification: impact on key organisms of oceanic fauna

In addition to global warming, carbon dioxide emissions cause another, less well-known but equally serious and worrying phenomenon: ocean acidification. Researchers in the Laboratoire d'Océanographie ...

Space & Earth / Environment

created Sep 15, 2009 | popularity 3.2 / 5 (5) | comments 0

Early spring time for Edinburgh? Study predicts effect of global warming on spring flowers

Will we soon see the flowers of Edinburgh in full bloom in the depths of winter? This possibility is considered in a new study into the impact of global warming on spring flowering, published today in the International Jo ...

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 1 / 5 (2) | comments 1

Methane gas likely spewing into the oceans through vents in sea floor (w/ Video)

(PhysOrg.com) -- Scientists worry that rising global temperatures accompanied by melting permafrost in arctic regions will initiate the release of underground methane into the atmosphere. Once released, that ...

Space & Earth / Earth Sciences

created Sep 02, 2009 | popularity 4.2 / 5 (10) | comments 8

Time to lift the geoengineering taboo

Hot on the heels of the Royal Society's Geoengineering the Climate report, September's Physics World contains feature comment from UK experts stressing the need to start taking geoengineering - deliberate interv ...

Space & Earth / Earth Sciences

created Sep 01, 2009 | popularity 3.5 / 5 (11) | comments 39

Research finds higher acidity in Alaska waters

(AP) -- Erosion threatens to topple coastal Alaskan villages. Melting ice threatens polar bears. Now, a marine scientist says the state's marine waters are turning acidic from absorbing greenhouse gases faster ...

Space & Earth / Earth Sciences

created Aug 24, 2009 | popularity 3.1 / 5 (7) | comments 0

Nitrogen fixation and phytoplankton blooms in the southwest Indian Ocean

Observations made by Southampton scientists help understand the massive blooms of microscopic marine algae - phytoplankton - in the seas around Madagascar and its effect on the biogeochemistry of the southwest Indian Ocean.

Space & Earth / Earth Sciences

created Aug 14, 2009 | popularity 3 / 5 (1) | comments 0

New findings show increased ocean acidification in Alaska waters

The same things that make Alaska's marine waters among the most productive in the world may also make them the most vulnerable to ocean acidification. According to new findings by a University of Alaska Fairbanks scientist, ...

Space & Earth / Earth Sciences

created Aug 13, 2009 | popularity 2.8 / 5 (4) | comments 1

Long debate ended over cause, demise of ice ages -- may also help predict future

Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...

Space & Earth / Earth Sciences

created Aug 06, 2009 | popularity 4.5 / 5 (24) | comments 63