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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Main Authors: B. Marzeion, P. W. Leclercq, J. G. Cogley, A. H. Jarosch
Format: Article
Language:English
Published: Copernicus Publications 2015-12-01
Series:The Cryosphere
Online Access:http://www.the-cryosphere.net/9/2399/2015/tc-9-2399-2015.pdf
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author B. Marzeion
P. W. Leclercq
J. G. Cogley
A. H. Jarosch
author_facet B. Marzeion
P. W. Leclercq
J. G. Cogley
A. H. Jarosch
author_sort B. Marzeion
collection DOAJ
description 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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spelling doaj.art-0cde89d7a5334d13b99443582c3d0d182022-12-21T19:28:22ZengCopernicus PublicationsThe Cryosphere1994-04161994-04242015-12-01962399240410.5194/tc-9-2399-2015Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistentB. Marzeion0P. W. Leclercq1J. G. Cogley2A. H. Jarosch3Institute of Geography, University of Bremen, Bremen, GermanyDepartment of Geosciences, University of Oslo, Oslo, NorwayDepartment of Geography, Trent University, Peterborough, CanadaInstitute of Earth Sciences, University of Iceland, Reykjavik, IcelandRecent 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.http://www.the-cryosphere.net/9/2399/2015/tc-9-2399-2015.pdf
spellingShingle B. Marzeion
P. W. Leclercq
J. G. Cogley
A. H. Jarosch
Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
The Cryosphere
title Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
title_full Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
title_fullStr Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
title_full_unstemmed Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
title_short Brief Communication: Global reconstructions of glacier mass change during the 20th century are consistent
title_sort brief communication global reconstructions of glacier mass change during the 20th century are consistent
url http://www.the-cryosphere.net/9/2399/2015/tc-9-2399-2015.pdf
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