Brief communication: Arctic sea ice thickness internal variability and its changes under historical and anthropogenic forcing

Autor:	G. Van Achter, L. Ponsoni, F. Massonnet, T. Fichefet, V. Legat
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	Environmental sciences GE1-350 Geology QE1-996.5
Zdroj:	The Cryosphere, Vol 14, Pp 3479-3486 (2020)
Druh dokumentu:	article
ISSN:	1994-0416 1994-0424
DOI:	10.5194/tc-14-3479-2020
Popis:	We use model simulations from the CESM1-CAM5-BGC-LE dataset to characterise the Arctic sea ice thickness internal variability both spatially and temporally. These properties, and their stationarity, are investigated in three different contexts: (1) constant pre-industrial, (2) historical and (3) projected conditions. Spatial modes of variability show highly stationary patterns regardless of the forcing and mean state. A temporal analysis reveals two peaks of significant variability, and despite a non-stationarity on short timescales, they remain more or less stable until the first half of the 21st century, where they start to change once summer ice-free events occur, after 2050.
Databáze:	Directory of Open Access Journals
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