Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent

Recent estimates of the contribution of glaciers to sea-level rise during the 20th century are strongly divergent. Advances in data availability have allowed revisions of some of these published estimates. Here we show that outside of Antarctica, the global estimates of glacier mass change obtained...

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Bibliographic Details
Published in:The Cryosphere
Main Authors: B. Marzeion, P. W. Leclercq, J. G. Cogley, A. H. Jarosch
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2015
Subjects:
Environmental sciences
GE1-350
Geology
QE1-996.5
Antarc*
Antarctica
The Cryosphere
Online Access:https://doi.org/10.5194/tc-9-2399-2015
https://doaj.org/article/0cde89d7a5334d13b99443582c3d0d18
Description
Summary:Recent estimates of the contribution of glaciers to sea-level rise during the 20th century are strongly divergent. Advances in data availability have allowed revisions of some of these published estimates. Here we show that outside of Antarctica, the global estimates of glacier mass change obtained from glacier-length-based reconstructions and from a glacier model driven by gridded climate observations are now consistent with each other, and also with an estimate for the years 2003–2009 that is mostly based on remotely sensed data. This consistency is found throughout the entire common periods of the respective data sets. Inconsistencies of reconstructions and observations persist in estimates on regional scales.

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