Glacial Mass Loss In Southern Alps (NZ) Accelerating

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New Zealand's glaciers are showing the lowest total ice mass on record with more than twice the volume of Rangitoto Island melting away in a year. Research released yesterday by the National Institute of Water & Atmospheric Research showed the Southern Alps glaciers had lost over 2.5cu km (2.2 billion tonnes) of permanent ice from April 2007 to March this year.

That is the fourth highest annual loss since monitoring started, leaving the glaciers with the lowest total ice mass on record of just 44.9cu km. Niwa principal scientist Jim Salinger told the Herald that was an 18 per cent loss since 1976 when 54cu km was recorded.

The 2.2 billion tonnes loss from last year to the end of March was "very significant", he said. "That's like taking the top off Mt Taranaki or two and a half times the volume of Rangitoto Island."

Dr Salinger said the rate of glacial shrinkage had been steady to date and was due to the 1C rise in New Zealand's temperature in the past 100 years.

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http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10532203

[Subdivisions]

1. Isn't it winter down there? n/t

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2. Just on the cusp of spring as we speak . . . nt

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