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DOI | 10.1007/s00382-016-3424-9 |
Sensitivity of Antarctic sea ice to the Southern Annular Mode in coupled climate models | |
Holland, Marika M.1; Landrum, Laura1; Kostov, Yavor2; Marshall, John2 | |
2017-09-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2017 |
卷号 | 49 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We assess the sea ice response to Southern Annular Mode (SAM) anomalies for pre-industrial control simulations from the Coupled Model Intercomparison Project (CMIP5). Consistent with work by Ferreira et al. (J Clim 28:1206-1226, 2015. doi:10.1175/JCLI-D-14-00313.1), the models generally simulate a two-timescale response to positive SAM anomalies, with an initial increase in ice followed by an eventual sea ice decline. However, the models differ in the cross-over time at which the change in ice response occurs, in the overall magnitude of the response, and in the spatial distribution of the response. Late twentieth century Antarctic sea ice trends in CMIP5 simulations are related in part to different modeled responses to SAM variability acting on different time-varying transient SAM conditions. This explains a significant fraction of the spread in simulated late twentieth century southern hemisphere sea ice extent trends across the model simulations. Applying the modeled sea ice response to SAM variability but driven by the observed record of SAM suggests that variations in the austral summer SAM, which has exhibited a significant positive trend, have driven a modest sea ice decrease. However, additional work is needed to narrow the considerable model uncertainty in the climate response to SAM variability and its implications for 20th-21st century trends. |
英文关键词 | Antarctic sea ice Southern Annular Mode Climate models |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000408718200019 |
WOS关键词 | CMIP5 MODELS ; HEMISPHERE CLIMATE ; OZONE HOLE ; OCEAN ; VARIABILITY ; TRENDS ; SIMULATIONS ; CIRCULATION ; ATMOSPHERE ; EXTENT |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/35303 |
专题 | 气候变化 |
作者单位 | 1.NCAR, Boulder, CO 80305 USA; 2.MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA |
推荐引用方式 GB/T 7714 | Holland, Marika M.,Landrum, Laura,Kostov, Yavor,et al. Sensitivity of Antarctic sea ice to the Southern Annular Mode in coupled climate models[J]. CLIMATE DYNAMICS,2017,49. |
APA | Holland, Marika M.,Landrum, Laura,Kostov, Yavor,&Marshall, John.(2017).Sensitivity of Antarctic sea ice to the Southern Annular Mode in coupled climate models.CLIMATE DYNAMICS,49. |
MLA | Holland, Marika M.,et al."Sensitivity of Antarctic sea ice to the Southern Annular Mode in coupled climate models".CLIMATE DYNAMICS 49(2017). |
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