Escalating Ice Loss Found in Antarctica
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Climatic changes appear to be destabilizing vast ice sheets of western Antarctica that had previously seemed relatively protected from global warming, researchers reported yesterday, raising the prospect of faster sea-level rise than current estimates.
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A U.S. scientist says the discovery of interconnected lakes miles under Antarctic ice might be one of the most important scientific finds in recent years.
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Antarctic glaciers are thinning and slipping ever faster into the sea, according to several new studies. Warmer air and sea temperatures are blamed, and the changes are expected to cause an appreciable rise in sea levels.
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Antarctic glaciers are moving faster as they melt, bringing more ice into the oceans and causing sea levels to rise, according to a new study. By Stephen Leahy.
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Icebergs that break off Antarctica and drift away turn out to be hotspots of life in the cold southern ocean, researchers report.
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Ice cover in the Arctic Ocean, long held to be an early warning of a changing climate, has shattered the all-time low record this summer, according to scientists from the National Snow and Ice Data Center in Boulder.
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The collapse of an Antarctic ice shelf two years ago has accelerated the flow of glaciers into the nearby Weddell Sea.
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Braving some of the world's coldest temperatures and wickedest winds, researchers are drilling ice cores in Antarctica to answer questions about global climate change.
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Early in 2002, this website published an  excellent article  which documented the activity among the various ice shelves on the perimeter of the Antarctic.  At that time, there had recently been several significant calving events, rendering vast, floating islands of ice.  Also discussed was the complete collapse, in 1999, of an ice shelf known as   Larsen B,  which was formerly the largest ice shelf on the Antarctic peninsula - the northernmost and warmest part of the continent.  The disintegration of the Larsen B shelf was called a "profound event", because it was thought to be stable.  Fortunately, when massive icebergs are calved from ice-shelves, and even when they collapse and disintegrate completely, there is no resulting rise in sea level.   It turns out though, that these same ice shelves serve a surprisingly important role in "holding back" the glaciers and land-locked ice on Antarctica which, if released into the ocean, would raise the world's sea level an estimated 20 feet (7m).      Now it's    much clearer just how important that role is.
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Some of Antarctica's glaciers have accelerated their seaward march, suggesting that ocean levels might be irreversibly on the rise for centuries to come.
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Plant material and pink ice found at the bottom of the ice sheet under this wind-swept camp could give scientists an unprecedented look at life that&#39;s
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A large network of waterways helps carry ice from the center of Antarctica to the ocean, scientists say, in a finding that may help clarify how global warming will affect the world's sea levels.
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A 30-mile maze canyons in Antarctica was carved out of bedrock by the catastrophic draining of subglacial lakes during global warming between 12 million and 14 million years ago, according to university researchers who warn a similar event today could have serious environmental consequences.
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Glaciers are melting faster than before in some regions from the Arctic to the Alps but others are getting bigger, scientists said on Friday.
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Description: New evidence is reported that rising global temperatures could have rapid effects on the Antarctic ice pack and on ocean levels.
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Sediments extracted from the Antarctic sea floor show the world's largest ice shelf has disintegrated and reappeared many times in the past.
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More than 50,000 scientists from 63 nations turned their attention to the world's poles Monday to measure the effects of climate change, using icebreakers, satellites and submarines to study everything from the effect of solar radiation on the polar atmosphere to the exotic marine life swimming beneath the Antarctic ice.