Article (Scientific journals)
Mass balance of the ice sheets and glaciers – Progress since AR5 and challenges
Hanna, Edwards; Pattyn, Frank; Navarro, Francisco et al.
2020In Earth-Science Reviews, 201
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Keywords :
mass balance; ice sheets; glaciers
Abstract :
[en] Recent research shows increasing decadal ice mass losses from the Greenland and Antarctic Ice Sheets and more generally from glaciers worldwide in the light of continued global warming. Here, in an update of our previous ISMASS paper (Hanna et al., 2013), we review recent observational estimates of ice sheet and glacier mass balance, and their related uncertainties, first briefly considering relevant monitoring methods. Focusing on the response to climate change during 1992–2018, and especially the post-IPCC AR5 period, we discuss recent changes in the relative contributions of ice sheets and glaciers to sea-level change. We assess recent advances in understanding of the relative importance of surface mass balance and ice dynamics in overall ice-sheet mass change. We also consider recent improvements in ice-sheet modelling, highlighting data-model linkages and the use of updated observational datasets in ice-sheet models. Finally, by identifying key deficiencies in the observations and models that hamper current understanding and limit reliability of future ice-sheet projections, we make recommendations to the research community for reducing these knowledge gaps. Our synthesis aims to provide a critical and timely review of the current state of the science in advance of the next Intergovernmental Panel on Climate Change Assessment Report that is due in 2021.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Hanna, Edwards;  University of Lincoln > School of Geography and Lincoln Centre for Water and Planetary Health
Pattyn, Frank;  Université Libre de Bruxelles - ULB > Laboratoire de Glaciologie
Navarro, Francisco;  Universidad Politécnica de Madrid > Departamento de Matemática Aplicada a las Tecnologías de la Información y las Comunicaciones
Favier, Vincent;  Université Grenoble Alpes > Institut des Géosciences de l’Environnement
Goelzer, Heiko;  Université Libre de Bruxelles - ULB > Laboratoire de Glaciologie
van den Broeke, Michiel R.;  Universiteit Utrecht > Institute for Marine and Atmospheric Research
Viczaino, Miren;  Delft University of Technology > Department of Geoscience and Remote Sensing
Whitehouse, Pippa L.;  University of Durham > Department of Geography
Ritz, Catherine;  Université Grenoble Alpes > Institut des Géosciences de l’Environnement
Bulthuis, Kevin ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Smith, Ben;  University of Washington - UW > Applied Physics Lab > Polar Science Center
Language :
English
Title :
Mass balance of the ice sheets and glaciers – Progress since AR5 and challenges
Alternative titles :
[fr] Bilan de masse des calottes polaires et des glaciers - Progrès depuis AR5 et défis
Publication date :
February 2020
Journal title :
Earth-Science Reviews
ISSN :
0012-8252
eISSN :
1872-6828
Publisher :
Elsevier, Netherlands
Volume :
201
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Commentary :
Accepted manuscript available at https://doi.org/10.1016/j.earscirev.2019.102976 (only the preprint version in the ORBI repository)
Available on ORBi :
since 21 January 2020

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