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Brief communication: Ad hoc estimation of glacier contributions to sea-level rise from the latest glaciological observations


Zemp, Michael; Huss, Matthias; Eckert, Nicolas; Thibert, Emmanuel; Paul, Frank; Nussbaumer, Samuel U; Gärtner-Roer, Isabelle (2020). Brief communication: Ad hoc estimation of glacier contributions to sea-level rise from the latest glaciological observations. The Cryosphere, 14(3):1043-1050.

Abstract

Comprehensive assessments of global glaciermass changes based on a variety of observations and prevailing methodologies have been published at multi-annual intervals. For the years in between, the glaciological method provides annual observations of specific mass changes but is suspected to not be representative at the regional to global scales due to uneven glacier distribution with respect to the full sample. Here, we present a simple approach to estimate and correct for this bias in the glaciological sample and, hence,to provide an ad hoc estimate of global glacier mass changes and corresponding sea-level equivalents for the latest years, i.e. about −300±250 Gt in 2016/17 and −500±200 Gt in 2017/18.

Abstract

Comprehensive assessments of global glaciermass changes based on a variety of observations and prevailing methodologies have been published at multi-annual intervals. For the years in between, the glaciological method provides annual observations of specific mass changes but is suspected to not be representative at the regional to global scales due to uneven glacier distribution with respect to the full sample. Here, we present a simple approach to estimate and correct for this bias in the glaciological sample and, hence,to provide an ad hoc estimate of global glacier mass changes and corresponding sea-level equivalents for the latest years, i.e. about −300±250 Gt in 2016/17 and −500±200 Gt in 2017/18.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Scopus Subject Areas:Physical Sciences > Water Science and Technology
Physical Sciences > Earth-Surface Processes
Uncontrolled Keywords:Earth-Surface Processes, Water Science and Technology
Language:English
Date:20 March 2020
Deposited On:08 Jun 2020 08:35
Last Modified:27 Jan 2022 02:04
Publisher:Copernicus Publications
ISSN:1994-0416
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.5194/tc-14-1043-2020

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