1982-2015年全球植被变化及其与温度和降水的关系

李茂华, 都金康, 李皖彤, 李闰洁, 吴森垚, 王姗姗

Global Vegetation Change and Its Relationship with Precipitation and Temperature Based on GLASS-LAI in 1982-2015

Li Maohua, Du Jinkang, Li Wantong, Li Runjie, Wu Senyao, Wang Shanshan

表4 1982-2015年全球9种植被月均LAI和多种气候因子的逐步线性回归拟合

Table 4 Stepwise multivariate regression between monthly mean LAI and climate predictors as identified among different classes of global nine vegetation types from 1982 to 2015

植被类型 逐步线性回归 R2 F 常绿阔叶林 LAI=0.575T0+0.328T3+ 0.005P3-19.077 0.343 71.354 混交林 LAI=0.1T0+0.058T3+0.036P0-0.059T1-0.011P2-0.02P3+0.38 0.878 484.502 郁闭灌丛 LAI=0.011T3+0.002P0+0.002P1+0.336 0.479 125.039 开放灌丛 LAI=0.016T3+0.006P0-0.034T0-0.02T1-0.011P2-0.006P1+1.36 0.889 542.541 多树草原 LAI=0.031P0+0.007P1-0.072T1-0.034T0-0.018P3-0.009P2+2.44 0.879 489.831 稀树草原 LAI=0.053T3+0.012P0-0.072T0-0.028T1-0.023T2-0.014P2-0.007P3-0.005P1+3.845 0.722 131.927 草原 LAI=0.008P0-0.06T0-0.011P3-0.007P2-0.007P1+2.367 0.671 165.877 农作物 LAI=0.112T0+0.026T3+0.008P0-0.008P1-0.003P2-1.251 0.892 669.094 农作物和自然植被混合 LAI=0.155T0+0.005P0-0.052T1-0.002P3-0.531 0.742 291.878