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ENVIRONMENT
This is what the scientists are looking for: a clear snowline. This picture of the Rolleston glacier, taken during this year's survey, the previous year's snow shows grey, and the current year's snow is white.
Credit: Jordy Hendrikx, NIWA
23 November 2009, 9:56AM
infonews.co.nz
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Linked News
New Zealand's glaciers lost significant ice mass again last summer
23 November 2009