Greenland Ice Sheet Surface Mass Loss: Recent Developments in Observation and Modeling

[en] Surface processes currently dominate Greenland ice sheet (GrIS) mass loss. We review recent developments in the observation and modeling of GrIS surface mass balance (SMB), published after the July 2012 deadline for the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR5). Since IPCC AR5, our understanding of GrIS SMB has further improved, but new observational and model studies have also revealed that temporal and spatial variability of many processes are still poorly quantified and understood, e.g., bio-albedo, the formation of ice lenses and their impact on lateral meltwater transport, heterogeneous vertical meltwater transport (‘piping’), the impact of atmospheric-circulation changes and mixed-phase clouds on the surface energy balance, and the magnitude of turbulent heat exchange over rough ice surfaces. As a result, these processes are only schematically or not at all included in models that are currently used to assess and predict future GrIS surface mass loss.

Disciplines :

Earth sciences & physical geography

Author, co-author :

van den Broeke, M.

Box, J.

Fettweis, Xavier ; Université de Liège - ULiège > Département de géographie > Climatologie et Topoclimatologie

Hanna, E.

Noël, Brice ; Université de Liège - ULiège > Département de géographie > Climatologie et Topoclimatologie

Tedesco, M.

van As, D.

van de Berg, W.J.

van Kampenhout, L.

Language :

English

Title :

Greenland Ice Sheet Surface Mass Loss: Recent Developments in Observation and Modeling

Publication date :

07 November 2017

Journal title :

Current Climate Change Reports

eISSN :

2198-6061

Publisher :

Springer International, Paris, France

Pages :

online

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://link.springer.com/article/10.1007%2Fs40641-017-0084-8

Available on ORBi :

since 07 November 2017

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