BlogArena

General blog about anything and everything of everyday's life.

10. Dec 2019

August 16, 2013
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Earth orbit changes were key to Antarctic warming that ended last ice age

For more than a century scientists have known that Earth’s ice ages are caused by the wobbling of the planet’s orbit, which changes its orientation to the sun and affects the amount of sunlight reaching higher latitudes, particularly the polar … Continue reading

June 15, 2013
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Warm Ocean Causing Most Antarctic Ice Shelf Mass Loss

PASADENA, Calif. — Ocean waters melting the undersides of Antarctic ice shelves are responsible for most of the continent’s ice shelf mass loss, a new study by NASA and university researchers has found. Scientists have studied the rates of basal … Continue reading

March 8, 2013
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The Making of Antarctica’s Hidden Fjords

Antarctica’s topography began changing from flat to fjord-filled starting about 34 million years ago, according to a new report from a University of Arizona-led team of geoscientists. Knowing when Antarctica’s topography started shifting from a flat landscape to one with … Continue reading

November 26, 2012
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Hearty Organisms Discovered in Bitter-Cold Antarctic Brine

EAST LANSING, Mich. — Where there’s water there’s life – even in brine beneath 60 feet of Antarctic ice, in permanent darkness and subzero temperatures. While Lake Vida, located in the northernmost of the McMurdo Dry Valleys of East Antarctica, … Continue reading

July 1, 2012
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Melting Sea Ice Threatens Emperor Penguins, Study Finds

At nearly four feet tall, the Emperor penguin is Antarctica’s largest sea bird—and thanks to films like “March of the Penguins” and “Happy Feet,” it’s also one of the continent’s most iconic. If global temperatures continue to rise, however, the … Continue reading

June 4, 2011
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New Map Reveals Giant Fjords Beneath East Antarctic Ice Sheet

AUSTIN, Texas — Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high-resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, an immense ice-buried lowland in East … Continue reading