GSTDTAP  > 气候变化
DOI10.1175/JCLI-D-18-0672.1
Differences between Arctic Interannual and Decadal Variability across Climate States
Reusen, Jesse1,2,3; van der Linden, Eveline2,4; Bintanja, Richard2,5
2019-09-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2019
卷号32期号:18页码:6035-6050
文章类型Article
语种英语
国家Netherlands
英文摘要

Long-term climate variations have the potential to amplify or dampen (human-induced) trends in temperature. Understanding natural climate variability is therefore of vital importance, especially since the variability itself may change with a changing climate. Here, we quantify the magnitude and other characteristics of interannual to decadal variability in Arctic temperature and their dependence on the climate state. Moreover, we identify the processes responsible for the state dependency of the variations, using five quasi-equilibrium climate simulations of a state-of-the-art global climate model with 0.25, 0.5, 1, 2, and 4 times present-day atmospheric CO2 forcing. The natural fluctuations in Arctic temperature, including their dependence on the state of the climate, are linked to anomalous atmospheric and oceanic heat transports toward the Arctic. Model results suggest that atmospheric heat transport leads (and also controls) Arctic temperature variations on interannual time scales, whereas oceanic transport is found to govern the fluctuations on decadal time scales. This time-scale transition of atmospheric to oceanic dominance for Arctic temperature variations is most obvious when there is interannual to decadal variability in Arctic sea ice cover. In warm climates (without Arctic sea ice cover), there is no correlation between oceanic transport and surface air temperature on any time scale. In cold climates (with full Arctic sea ice cover), interaction between ocean and atmosphere is limited, leaving poleward atmospheric heat transport to be the primary driver on all time scales (interannual and decadal).


英文关键词Sea ice Energy transport Decadal variability Interannual variability
领域气候变化
收录类别SCI-E
WOS记录号WOS:000481822600004
WOS关键词LOW-FREQUENCY VARIABILITY ; SEA-ICE ; BJERKNES COMPENSATION ; POLAR AMPLIFICATION ; MODEL ; SENSITIVITY ; MECHANISMS ; ATMOSPHERE ; TRANSPORT ; IMPACT
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/186782
专题气候变化
作者单位1.Inst Marine & Atmospher Res Utrecht, Utrecht, Netherlands;
2.Royal Netherlands Meteorol Inst, De Bilt, Netherlands;
3.Delft Univ Technol, Astrodynam & Space Missions, Delft, Netherlands;
4.Wageningen Univ & Res, Water Syst & Global Change Grp, Wageningen, Netherlands;
5.Univ Groningen, Energy & Sustainabil Res Inst Groningen, Groningen, Netherlands
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GB/T 7714
Reusen, Jesse,van der Linden, Eveline,Bintanja, Richard. Differences between Arctic Interannual and Decadal Variability across Climate States[J]. JOURNAL OF CLIMATE,2019,32(18):6035-6050.
APA Reusen, Jesse,van der Linden, Eveline,&Bintanja, Richard.(2019).Differences between Arctic Interannual and Decadal Variability across Climate States.JOURNAL OF CLIMATE,32(18),6035-6050.
MLA Reusen, Jesse,et al."Differences between Arctic Interannual and Decadal Variability across Climate States".JOURNAL OF CLIMATE 32.18(2019):6035-6050.
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