基于REOF-EEMD的西南地区气候变化区域分异特征

刘晓琼, 孙曦亮, 刘彦随, 张健, 赵新正, 芮旸

Spatial division of climate change and its evolution characteristics in Southwest China based on REOF-EEMD

LIU Xiaoqiong, SUN Xiliang, LIU Yansui, ZHANG Jian, ZHAO Xinzheng, RUI Yang

表1 基于EOF、REOF的西南地区年均温、年均降水前3个模态的方差贡献率和累计方差贡献率

Tab. 1 Variance contribution rate and cumulative variance contribution rate of the first 3 modes of the annual mean temperature and annual mean precipitation based on EOF and REOF in Southwest China (%)

年均温 年均降水 模态Ⅰ 模态Ⅱ 模态Ⅲ 模态Ⅰ 模态Ⅱ 模态Ⅲ EOF方差贡献率 EOF累计方差贡献率 REOF方差贡献率 REOF累计方差贡献率 78.68 78.68 45.85 45.85 11.77 90.45 38.60 84.45 4.12 94.57 10.12 94.57 45.51 45.51 28.43 28.43 18.19 63.70 29.82 58.25 6.98 70.68 12.45 70.70