中国第一代再分析产品CRA Interim气温在东南极中山站 - Dome A断面的适用性分析

朱江萍, 谢爱红, 丁明虎, 赵聪, 郭晓寅, 胡婉嫔, 徐冰, 秦翔

Applicability analysis of the air temperature in the CMA Global ReAnalysis product CRA Interim in the section from Zhongshan Station to Dome A， East Antarctica

Jiangping ZHU, Aihong XIE, Minghu DING, Cong ZHAO, Xiaoyin GUO, Wanpin HU, Bing XU, Xiang QIN

表2 三种再分析产品与实测气温在各季节的RMSE、 MB及R2

Table 2 Seasonal RMSE， MB and R2 between the three reanalysis products and observed air temperatures

再分析产品 季节 平均气温Tmean 最高气温Tmax 最低气温Tmin RMSE/℃ MB/℃ R2/% RMSE/℃ MB/℃ R2/% RMSE/℃ MB/℃ R2/% CRA Interim 春 6.6 -1.3 44.9 6.7 -1.5 49.7 6.9 -0.8 35.8 夏 7.5 -3.0 55.3 7.5 -2.6 52.2 7.6 -2.8 45.0 秋 6.7 -1.9 46.5 8.3 -1.3 47.9 6.7 -1.2 36.9 冬 4.4 1.0 31.9 6.4 0.8 31.0 5.0 2.9 24.6 ERA Interim 春 3.7 -0.2 61.4 5.5 1.8 45.5 4.6 -1.8 57.1 夏 4.3 -1.1 62.7 5.8 0.3 47.8 5.5 -3.4 58.0 秋 4.7 -1.8 72.0 7.0 0.5 50.7 5.9 -3.8 62.8 冬 3.9 -0.9 69.3 5.3 0.9 36.0 4.7 -2.2 60.5 ERA5 春 3.6 -1.1 59.6 4.9 0.6 53.4 5.1 -3.6 55.2 夏 4.4 -2.3 68.3 5.3 -0.6 59.2 6.6 -5.1 62.8 秋 4.3 -1.1 65.3 7.0 1.5 47.5 5.7 -4.6 57.5 冬 3.1 0.4 55.9 5.9 3.2 31.2 3.2 -1.6 48.1