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114 matches found for "polar glaciers"

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How much water does the ocean have?

The calculation of variations in the sea level is relatively simple. It is by far more complicated to then determine the change in the water mass. A team of geodesists and oceanographers from the Univ...

Earth Sciences | nachricht Read more
Past climate of the northern Antarctic Peninsular informs global warming debate

The seriousness of current global warming is underlined by a reconstruction of climate at Maxwell Bay in the South Shetland Islands of the Antarctic Peninsula over approximately the last 14,000 years,...

Earth Sciences | nachricht Read more
Antarctica glacier retreat creates new carbon dioxide store

Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. ...

Earth Sciences | nachricht Read more
Snows Of Kilimanjaro shrinking rapidly, and likely to be lost

The findings indicate a major cause of this ice loss is very likely to be the rise in global temperatures. Although changes in cloudiness and precipitation may also play a role, they appear less impor...

Earth Sciences | nachricht Read more
NASA flies to Antarctica for largest airborne polar ice survey

Researchers will work from NASA's DC-8, an airborne laboratory equipped with laser mapping instruments, ice-penetrating radar and gravity instruments. Data collected from the mission will help sc...

Earth Sciences | nachricht Read more
Peering under the ice of a collapsing polar coast

Starting this month, a giant NASA DC-8 aircraft loaded with geophysical instruments and scientists will buzz at low level over the coasts of West Antarctica, where ice sheets are collapsing at a pace ...

Earth Sciences | nachricht Read more
Lasers from space show thinning of Greenland and Antarctic ice sheets

Reporting this week in the journal Nature researchers from British Antarctic Survey and the University of Bristol describe how analysis of millions of NASA satellite measurements* from both of these v...

Earth Sciences | nachricht Read more
Geoscientists from the Alfred Wegener Institute are back from an expedition to the Labrador Sea

Scientists from the Alfred Wegener Institute have researched the geology of the seabed in the Labrador Sea on board of the research vessel Maria S. Merian. They have studied the so-called Eiri...

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Early initiation of Arctic sea-ice formation

Significant sea ice formation occurred in the Arctic earlier than previously thought is the conclusion of a study published this week in Nature."The results are also especially exciting b...

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Ancient Drought and Rapid Cooling Drastically Altered Climate

The events - one, a massive, long-lived drought believed to have dried large portions of Africa and Asia, and the other, a rapid cooling that accelerated the growth of tropical glaciers - left signals...

Ecology, The Environment and Conservation | nachricht Read more
CO2 higher today than last 2.1 million years

The study, in the June 19 issue of the journal Science, is the latest to rule out a drop in CO2 as the cause for earth's ice ages growing longer and more intense some 850,000 years ago. But it al...

Studies and Analyses | nachricht Read more
New Antarctic seabed sonar images reveal clues to sea-level rise

Motorway-sized troughs and channels carved into Antarctica's continental shelves by glaciers thousands of years ago could help scientists to predict future sea-level rise according to a report in...

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Glacial advances

The vast majority of the world's glaciers are retreating as the planet gets warmer. But a few, including glaciers south of the equator in South America and New Zealand, are inching forward....

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Southern glaciers grow out of step with North

The vast majority of the world’s glaciers are retreating as the planet gets warmer. But a few, including ones south of the equator, in South America and New Zealand, are inching forward. A new...

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Unusual Antarctic microbes live life on a previously unsuspected edge

An unmapped reservoir of briny liquid chemically similar to sea water, but buried under an inland Antarctic glacier, appears to support unusual microbial life in a place where cold, darkness and lack ...

Ecology, The Environment and Conservation | nachricht Read more
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