气候系统模式对于北极海冰模拟分析

被引:12
作者
邱博 [1 ,2 ]
张录军 [1 ,2 ]
储敏 [3 ]
吴统文 [3 ]
谭慧慧 [1 ,2 ]
机构
[1] 南京大学大气科学学院
[2] 江苏省气候变化协同创新中心
[3] 中国气象局国家气候中心
关键词
北极海冰; 气候系统模式; CMIP5;
D O I
10.13679/j.jdyj.2015.1.047
中图分类号
P731.15 [海冰];
学科分类号
0707 ;
摘要
利用全球耦合模式对比计划第五阶段(CMIP5)模拟试验的结果,并与观测资料对比分析,评估了CMIP5模式对北极海冰的模拟效果。结果表明:多数模式可以较好地模拟出北极海冰的空间分布以及季节变化特征。1979—2005年北极海冰迅速减少,所有模式均模拟出北极海冰减少的趋势,但减少趋势大小与观测差别较大。在全球变化的背景下,全球地表气温升高1℃,北极海冰的面积减少1.02×106km2,而在模式中减少的北极海冰面积在0.62×106—1.68×106km2之间,说明模式对于北极海冰的模拟仍然存在很多不确定性。
引用
收藏
页码:47 / 55
页数:9
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