ENSO的全球模态及其对全球变暖的响应

来源 :中国科学院大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室2013年度LASG年会 | 被引量 : 0次 | 上传用户：wgy

【摘要】

：

基于观测资料和CMIP5的NCAR CCSM4模式结果,我们利用扩展经验正交函数(EEOF)分析了全球海面温度异常(SSTA)的时空变化结构.在全球变暖背景下的SST变率主要由一个驻波型的ENSO全球模态以及分别代表其增长和衰减相位的两个模态组成.驻波型模态显示强烈的变冷趋势,但对全球平均温度变化几乎没有贡献;然而其增长和衰减模态却显示变暖的趋势,能在很大程度上反映全球平均温度的增高.

【作者】

：

陈大可

【机构】

：

卫星海洋环境动力学国家重点实验室,国家海洋局第二海洋研究所

【出处】

：

中国科学院大气物理研究所大气科学和地球流体力学数值模拟国家重点实验室2013年度LASG年会

【发表日期】

：

2013年1期

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ENSO的全球模态及其对全球变暖的响应

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