News tagged with oceanic carbon
Scientists discover new kind of blue-green algae with carbonates in their cells
(Phys.org) -- Researchers studying organisms in Mexico's Lake Alchichica have discovered a new species of cyanobacterium that unlike any other ever found, has bony, intracellular carbonates. Up till now, specimens with such ...
Apr 30, 2012 |
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Thawing permafrost 50 million years ago led to extreme global warming events
In a new study reported in Nature, climate scientist Rob DeConto of the University of Massachusetts Amherst and colleagues elsewhere propose a simple new mechanism to explain the source of carbon that fed a ...
Space & Earth / Earth Sciences
Apr 04, 2012 |
4.3 / 5 (28) |
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Methane may be answer to 56-million-year question
(PhysOrg.com) -- The release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago has been linked to the greatest change in global climate since a dinosaur-killing ...
Space & Earth / Earth Sciences
Nov 09, 2011 |
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NOAA study suggests aerosols might be inhibiting global warming
(PhysOrg.com) -- A new study led by the U.S, National Oceanic and Atmospheric Administration (NOAA) shows that tiny particles that make their way all the way up into the stratosphere may be offsetting a global ...
Space & Earth / Earth Sciences
Jul 22, 2011 |
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Ocean's carbon dioxide uptake reduced by climate change
(PhysOrg.com) -- How deep is the ocean's capacity to buffer against climate change? As one of the planet's largest single carbon absorbers, the ocean takes up roughly one-third of all human carbon emissions, ...
Space & Earth / Earth Sciences
Jul 10, 2011 |
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Global warming pause linked to sulfur in China
Scientists have come up with a possible explanation for why the rise in Earth's temperature paused for a bit during the 2000s, one of the hottest decades on record.
Space & Earth / Earth Sciences
Jul 04, 2011 |
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Earth is getting dustier, model suggests
(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according ...
Space & Earth / Earth Sciences
Jan 05, 2011 |
4.5 / 5 (11) |
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Study gives clues about carbon dioxide patterns at end of Ice Age
(PhysOrg.com) -- New University of Florida research puts to rest the mystery of where old carbon was stored during the last glacial period. It turns out it ended up in the icy waters of the Southern Ocean near Antarctica.
Space & Earth / Earth Sciences
Oct 25, 2010 |
4.5 / 5 (13) |
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Scientists detect huge carbon 'burp' that helped end last ice age
(PhysOrg.com) -- Scientists have found the possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age.
Space & Earth / Earth Sciences
May 27, 2010 |
3.7 / 5 (31) |
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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 ...
Nov 10, 2009 |
4.1 / 5 (49) |
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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
Sep 02, 2009 |
4.2 / 5 (10) |
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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
Aug 06, 2009 |
4.5 / 5 (24) |
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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
Jul 13, 2009 |
4.2 / 5 (26) |
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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
Jun 01, 2009 |
4.3 / 5 (7) |
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The rise of oxygen caused Earth's earliest ice age
(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's ...
Space & Earth / Earth Sciences
May 07, 2009 |
4.6 / 5 (20) |
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