基于京津冀功能分区的植被覆盖度时空演变特征及其影响因子

鲁军景, 孙雷刚, 左璐, 刘剑锋, 马晓倩, 郝庆涛

A functional zoning-based study of the spatiotemporal evolutionary characteristics and influencing factors of vegetation fractional cover in the Beijing-Tianjin-Hebei region

LU Junjing, SUN Leigang, ZUO Lu, LIU Jianfeng, MA Xiaoqian, HAO Qingtao

表3 自变量对因变量交互作用类型的判断依据

Tab.3 Criterion of interaction type between two independent variables and dependent variables

判断依据 交互作用 q(A∩B) <min(q(A),q(B)) 非线性减弱 min(q(A),q(B))<q(A∩B)<max(q(A),q(B)) 单因子非线性减弱 q(A∩B) >max(q(A),q(B)) 双因子加强 q(A∩B) =q(A)+q(B) 独立 q(A∩B) >q(A)+q(B) 非线性加强