CMIP5模式对北极涛动的模拟评估

被引:3
作者
左金清 [1 ,2 ]
李维京 [2 ]
任宏利 [2 ]
机构
[1] 中国气象科学研究院
[2] 中国气象局气候研究开放实验室/中国气象局国家气候中心
基金
中国博士后科学基金;
关键词
北极涛动; 模拟评估; 耦合模式; CMIP5;
D O I
暂无
中图分类号
P461 [气候的形成和影响气候的因素];
学科分类号
0706 ; 070601 ;
摘要
基于国际耦合模式比较计划第五阶段(CMIP5)历史试验(historical)的输出结果,评估了26个耦合模式对北极涛动(AO)的模拟能力。对各模式逐月AO指数序列的功率谱分析表明,有23个模式能够模拟出AO模态无显著变化周期的特征。这些模式也能够较好地再现冬季AO在海平面气压场上的主要分布特征,但均高估了AO模态的强度。对于伴随着冬季AO位相变化而出现的中高纬度偶极型的纬向平均纬向风异常,CMIP5中只有一些模式有较好的模拟表现,大多数模式对其中心位置和强度的模拟存在明显不足。对比之下,MPI-ESM-P对AO时空特征的模拟更接近观测结果。
引用
收藏
页码:159 / 164
页数:6
相关论文
共 23 条
[1]  
Annular modes in the extratropical circulation.Part Ⅰ: month-to-month variability. Thompson D W J,Wallace J M. Journal of Climatology . 2000
[2]  
East Asian winter monsoon and Arctic Oscillation. Gong DY,Wang SW,Zhu JH. Geophysical Research Letters . 2001
[3]  
The NCEP/NCAR 40-year reanalysis project. Kalnay E,Kanamitsu M,Kistler R,et al. Bulletin of the American Meteorological Society . 1996
[4]  
Classification, seasonality and persistence of low-frequency atmospheric circulation patterns. Barnston AG,Livezey RE. Monthly Weather Review . 1987
[5]  
A modified zonal index and its physical sense. Li J P,Wang J. Geophysical Research Letters . 2003
[6]  
Influence of ocean-atmosphere interaction on the Arctic Oscillation in two general circulation models. Robertson A W. Journal of Climatology . 2001
[7]  
An overview of CMIP5 and the experiment design. Taylor K E,Stouffer R J,Meehl G A. Bulletin of the American Meteorological Society . 2012
[8]  
An overview of CMIP5 and the experiment design. Taylor K E,Stouffer R J,Meehl G A. Bulletin of the American Meteorological Society . 2012
[9]  
Forced annular variations in the 20th century intergovernmental panel on climate change fourth assessment report models. RL Miller,GA Schmidt,DT Shindell. Journal of Geophysical Research . 2006
[10]  
Summarizing multiple aspects of model performance in a single diagram. Taylor K E. Chinese Journal of Geophysics . 2001