Design and results of the ice sheet model initialisation experiments initMIP-Greenland: an ISMIP6 intercomparison

Goelzer, Heiko; Nowicki, Sophie; Edwards, Tamsin; Beckley, Matthew; Abe-Ouchi, Ayako; Aschwanden, Andy; Calov, Reinhard; Gagliardini, Olivier; Gillet-Chaulet, Fabien; Golledge, Nicholas R.; Gregory, Jonathan; Greve, Ralf; Humbert, Angelika; Huybrechts, Philippe; Kennedy, Joseph H.; Larour, Eric; Lipscomb, William H.; Le clec'h, Sébastien; Lee, Victoria; Morlighem, Mathieu; Pattyn, Frank; Payne, Antony J.; Rodehacke, Christian; Rückamp, Martin; Saito, Fuyuki; Schlegel, Nicole; Seroussi, Helene; Shepherd, Andrew; Sun, Sainan; van de Wal, Roderik; Ziemen, Florian A.

Design and results of the ice sheet model initialisation experiments initMIP-Greenland: an ISMIP6 intercomparison

Goelzer, Heiko; Nowicki, Sophie; Edwards, Tamsin et al.

The Cryosphere, 2018, 12(4), 1433-1460

Permalink : https://hdl.handle.net/2115/70110

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アクセス権	open access
URI	https://hdl.handle.net/2115/70110
タイトル	Design and results of the ice sheet model initialisation experiments initMIP-Greenland: an ISMIP6 intercomparison
著者	Goelzer, Heiko ; Nowicki, Sophie ; Edwards, Tamsin ; Beckley, Matthew ; Abe-Ouchi, Ayako ; Aschwanden, Andy ; Calov, Reinhard ; Gagliardini, Olivier ; Gillet-Chaulet, Fabien ; Golledge, Nicholas R. ; Gregory, Jonathan ; Greve, Ralf ; Humbert, Angelika ; Huybrechts, Philippe ; Kennedy, Joseph H. ; Larour, Eric ; Lipscomb, William H. ; Le clec'h, Sébastien ; Lee, Victoria ; Morlighem, Mathieu ; Pattyn, Frank ; Payne, Antony J. ; Rodehacke, Christian ; Rückamp, Martin ; Saito, Fuyuki ; Schlegel, Nicole ; Seroussi, Helene ; Shepherd, Andrew ; Sun, Sainan ; van de Wal, Roderik ; Ziemen, Florian A.
著者名 Goelzer, Heiko
著者名 Nowicki, Sophie
著者名 Edwards, Tamsin
著者名 Beckley, Matthew
著者名 Abe-Ouchi, Ayako
著者名 Aschwanden, Andy
著者名 Calov, Reinhard
著者名 Gagliardini, Olivier
著者名 Gillet-Chaulet, Fabien
著者名 Golledge, Nicholas R.
著者名 Gregory, Jonathan
e-Rad_Researcher 90374644 著者名 Greve, Ralf
著者名 Humbert, Angelika
著者名 Huybrechts, Philippe
著者名 Kennedy, Joseph H.
著者名 Larour, Eric
著者名 Lipscomb, William H.
著者名 Le clec'h, Sébastien
著者名 Lee, Victoria
著者名 Morlighem, Mathieu
著者名 Pattyn, Frank
著者名 Payne, Antony J.
著者名 Rodehacke, Christian
著者名 Rückamp, Martin
著者名 Saito, Fuyuki
著者名 Schlegel, Nicole
著者名 Seroussi, Helene
著者名 Shepherd, Andrew
著者名 Sun, Sainan
著者名 van de Wal, Roderik
著者名 Ziemen, Florian A.
言語	英語
キーワード	Glacier and Ice Sheet Research
発行日	2018-04-19
収録物名	The Cryosphere
巻(号)	12(4)
ページ	1433-1460
抄録	Earlier large-scale Greenland ice sheet sea-level projections (e.g. those run during the ice2sea and SeaRISE initiatives) have shown that ice sheet initial conditions have a large effect on the projections and give rise to important uncertainties. The goal of this initMIP-Greenland intercomparison exercise is to compare, evaluate, and improve the initialisation techniques used in the ice sheet modelling community and to estimate the associated uncertainties in modelled mass changes. initMIP-Greenland is the first in a series of ice sheet model intercomparison activities within ISMIP6 (the Ice Sheet Model Intercomparison Project for CMIP6), which is the primary activity within the Coupled Model Intercomparison Project Phase 6 (CMIP6) focusing on the ice sheets. Two experiments for the large-scale Greenland ice sheet have been designed to allow intercomparison between participating models of (1) the initial present-day state of the ice sheet and (2) the response in two idealised forward experiments. The forward experiments serve to evaluate the initialisation in terms of model drift (forward run without additional forcing) and in response to a large perturbation (prescribed surface mass balance anomaly); they should not be interpreted as sea-level projections. We present and discuss results that highlight the diversity of data sets, boundary conditions, and initialisation techniques used in the community to generate initial states of the Greenland ice sheet. We find good agreement across the ensemble for the dynamic response to surface mass balance changes in areas where the simulated ice sheets overlap but differences arising from the initial size of the ice sheet. The model drift in the control experiment is reduced for models that participated in earlier intercomparison exercises.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
EISSN	1994-0424
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.5194/tc-12-1433-2018