reference : Centennial glacier retreat as categorical evidence of regional climate change

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reftype Journal Article
Abstract The near-global retreat of glaciers over the last century provides some of the most iconic imagery for communicating the reality of anthropogenic climate change to the public. Surprisingly, however, there has not been a quantitative foundation for attributing the retreats to climate change, except in the global aggregate. This gap, between public perception and scientific basis, is due to uncertainties in numerical modelling and the short length of glacier mass-balance records. Here we present a method for assessing individual glacier change based on the signal-to-noise ratio, a robust metric that is insensitive to uncertainties in glacier dynamics. Using only meteorological and glacier observations, and the characteristic decadal response time of glaciers, we demonstrate that observed retreats of individual glaciers represent some of the highest signal-to-noise ratios of climate change yet documented. Therefore, in many places, the centennial-scale retreat of the local glaciers does indeed constitute categorical evidence of climate change.
Author Roe, Gerard H.; Baker, Marcia B.; Herla, Florian
DOI 10.1038/ngeo2863
Date 02//print
ISSN 1752-0894
Issue 2
Journal Nature Geoscience
Pages 95-99
Publisher Nature Publishing Group
Title Centennial glacier retreat as categorical evidence of regional climate change
Type of Article Article
Volume 10
Year 2017
Bibliographic identifiers
_record_number 21581
_uuid 760d96a6-ba98-4e20-8897-2989d8f0ae6f