Saturday, December 15, 2012

More snow could mean less ice for Antarctic | Redux

More snow could mean less ice for Antarctic

Ice Thinning and Thickening in Antarctica
Ice Thinning and Thickening in Antarctica by NASA Goddard Photo and Video
License (according to Flickr): Attribution License
Excerpt:

Increased snowfall that's expected in Antarctica as the climate warms is likely to send more ice into the sea, new research finds. The effect is so strong that additional sea-level rise caused by extra snowfall is greater than the rise caused by extra heat melting the ice directly. The new study comes shortly after a recent analysis found that ice melt in Greenland and Antarctica has contributed nearly a half-inch to sea-level rise since 1992. Antarctic ice sheets once thought protected from melting are also more vulnerable than expected, researchers reported in May. Antarctica's response to climate change has always been uncertain, in part because a warming atmosphere can hold more moisture than a cooler one. More moisture is expected to bring more snow to Antarctica, which could potentially offset the melting of ice caused by warmer air and ocean water. Now, that offset doesn't look so likely.

People:

Ricarda Winkelmann

Overall Sentiment: -0.0610124

Relevance: 0.51004

SentimentQuote
-0.159894"Our simulations under future climate scenarios show that between 30 percent and 65 percent of the ice gain from enhanced snowfall are compensated by an increase of ice loss," Winkelmann told ...
0"We need to make further steps towards a full assessment of sea-level rise — globally and locally," she said. ...
Sentiment Stats:
  • Number of Quotes: 2
  • Aggregate Sentiment: -0.159894
  • Mean: -0.079947
  • Standard Deviation: 0

Key:

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  • The Mean is meant to be an indicator of an individual's average comment sentiment.
  • The Standard Deviation, when there are enough quotes, will indicate an individual's consistency of sentiment (i.e. a Standard Deviation of 0 would mean they were very consistent in their sentiment and 1 would mean they were very inconsistent).

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Additional Info:

Continent: Antarctica

Overall Sentiment: 0

Relevance: 0.896657

Region: Antarctic

Overall Sentiment: 0.0649208

Relevance: 0.319264

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