中文摘要：

基于一个全球海-冰-气耦合模式的数值模拟结果，选取冬季格陵兰海海表面温度（SST）、海冰密集度、海表面感热通量等物理量以及3个相关区域海平面气压分别作经验正交函数展开，取第一模时间系数作相关分析。结果表明，上一年海冰密集度偏大（小）与来年的SST偏低（高）相联系，但二者同期相关性最大。当海气热通量交换变化超前一年时，其与SST相关性最大。模式最低层大气温度与海洋表面热通量之间的同时相关性最大，冬季模式最低层气温偏高（低）与海洋表面失去的感热、潜热通量偏少（多）相联系。气温、比湿都和冰岛低压区及格陵兰海的海平面气压相关性最强，冰岛低压气压偏低（高）与模式最低层气温和比湿偏高（低）相联系。所以，在海-冰-气年际尺度的相互作用中，主要关系是大气环流调整造成大气中云量和低层气温、湿度变化，进而影响海气界面上的通量交换，造成SST的变化。SST变化决定着海冰范围及海冰密集度的变化，但海冰变化时通过相变潜热的释放或吸收反过来对SST变化有较明显影响。

英文摘要：

Statistical relationships between principal component time series of the leading empirical orthogonal functions of several physical quantities （sea surface temperature, sea ice concentration, surface sensible heat flux and so on in winter） in Greenland Sea are analyzed from the last 30 years＇ result of a 50 years＇ integration experiment with LASG/NCC （State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences/China National Climate Center） global coupled model. It is shown that positive （negative） anomalies of sea ice concentration in the former year are connected with negative （positive） anomalies of sea surface temperature in the following year and they have the biggest correlation in the same year. Air temperature at the lowest model layer have the biggest correlation with sea surface heat flux in the same year and positive （negative） anomalies of air temperature are connected with negative （positive） surface sensible and latent heat flux anomalies sent to the air. Both air temperature and air humidity at the lowest model layer have the biggest correlation with sea level pressure in the area covering Icelandic low and Greenland Sea and negative （positive） anomalies of Icelandic low are connected with positive （negative） anomalies of air temperature and humidity. So, in the course of interannual sea sea ice-atmosphere interaction, the dominant relation is that, adjustments of atmospheric general circulation cause the changes of cloud, air temperature and humidity, which influence the flux exchange through interface of sea and air and give contribution to the variation of sea surface temperature. Variation of sea surface temperature causes variation of ice extent and ice concentration, whereas variation of ice masses can also play discernable influences on sea surface temperature through absorption or release of latent heat. The influence of ice extent variation on sea s