1982-2012年中亚植被变化及其对气候变化的响应

张琪, 袁秀亮, 陈曦, 罗格平, 李龙辉

Vegetation change and its response to climate change in Central Asia from 1982 to 2012

ZHANG Qi,YUAN Xiu-Liang,CHEN Xi,LUO Ge-Ping,LI Long-Hui

表2 中亚植被年均归一化植被指数(NDVI)与年降水量、年平均气温奇异值分解的前三个空间模态的方差贡献率。

Table 2 The variance contribution by the first three leading modes of singular value decomposition between annual mean normalized difference vegetation index (NDVI) and annual precipitation, and annual mean air temperature in Central Asia.

模态 Mode NDVI与降水量 NDVI and precipitation NDVI与气温 NDVI and air temperature 方差贡献率 Variance contribution (%) 相关系数 Correlation coefficients 方差贡献率 Variance contribution (%) 相关系数 Correlation coefficients 1 49 0.73* 77 0.64* 2 19 0.81* 13 -0.38 3 8 0.75* 4 0.02