中文摘要：

以东南极冰盖边缘地带LGB69、冰盖内陆Eagle、冰盖顶点Dome A自动气象站2005—2006年记录的日平均气温为基础,辅以南极大陆边缘中山站2005年的连续气温资料,根据4个站点的海拔、气温、气压和地形,选择最接近气象站观测点的气压层,通过改进的9格点反距离加权内插法,分析NCEP/NCAR再分析气温在该断面的适用性.结果表明：NCEP/NCAR再分析气温与中山站、LGB69站、Eagle站和Dome A站实际观测值之间的相关系数分别高达0.624、0.648、0.744和0.705（p〈0.001,n≥365）,能够反映本地区气温的年变化和季节变化.但与实测值相比,再分析资料具有气温普遍偏高、年温差和标准偏差偏小、春夏季适用性强而秋冬季适用性差等特点.此外,从南极冰盖边缘至内陆,再分析气温误差有增大的趋势.

英文摘要：

The daily mean temperatures of National Centers for Environmental Prediction/National Center for Atmospheric Research（hereafter,NCEP/NCAR）reanalysis were compared with those independently observed by automatic meteorological stations（AMS）from Zhongshan Station,LGB69,Eagle and Dome A in eastern Antarctica from 2005 to 2006.It is found that the correlation coefficients were high,0.624,0.648,0.744 and 0.705（p0.001,n≥365）between the NCEP/NCAR reanalysis and the observations from Zhongshan Station,LGB69,Eagle and Dome A,respectively,which indicates that the NCEP/ NCAR reanalysis is able to capture the annual and seasonal temperature change in the region.Compared with the observed temperatures at the above four stations,the NCEP/NCAR reanalysis has the characteristics of warm bias,decreasing annual temperature range and standard deviation,with an applicability better in spring and summer and worse in autumn and winter.Furthermore,there is a tendency that the error increases from the edge to the interior along the Route from Zhongshan Station to Dome A.