News tagged with atmospheric circulation

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The last ice age

A team of scientists has discovered that a giant 'burp' of carbon dioxide (CO2) from the North Pacific Ocean helped trigger the end of last ice age, around 17,000 years ago.

dateJul 03, 2014 in Earth Sciences
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Sun's activity influences natural climate change

For the first time, a research team has been able to reconstruct the solar activity at the end of the last ice age, around 20,000-10,000 years ago, by analysing trace elements in ice cores in Greenland and cave formations ...

dateAug 18, 2014 in Earth Sciences
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Image: Global cloud fraction map of Earth

Decades of satellite observations and astronaut photographs show that clouds dominate space-based views of Earth. One study based on nearly a decade of satellite data estimated that about 67 percent of ...

dateMay 11, 2015 in Earth Sciences
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Study finds Southern Hemisphere becoming drier

A decline in April-May rainfall over south-east Australia is associated with a southward expansion of the subtropical dry-zone according to research published today in Scientific Reports, a primary research journal from t ...

dateOct 03, 2012 in Earth Sciences
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Antarctic sea ice reaches new record high

(Phys.org)—Two weeks after a new record was set in the Arctic Ocean for the least amount of sea ice coverage in the satellite record, the ice surrounding Antarctica reached its annual winter maximum—an ...

dateOct 12, 2012 in Earth Sciences
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Looking deeper into sea ice

(Phys.org)—This year, satellites saw the extent of Arctic sea ice hit a record low since measurements began in the 1970s. ESA's SMOS and CryoSat satellites are now taking a deeper look by measuring the ...

dateOct 08, 2012 in Earth Sciences
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