兰州市中心城区内涝时空格局和成因分析
李秋萍,李雪梅,龚志远,秦启勇,张博

Spatial and Temporal Pattern and Cause of Waterlogging in the Central Urban Area of Lanzhou
Qiuping LI,Xuemei LI,Zhiyuan GONG,Qiyong QIN,Bo ZHANG
表2 内涝密度与不同驱动因子的相关分析结果
Table 2 Correlation analysis results between waterlogging density and various waterlogging-causing factors
驱动因子Pearson相关系数Sig. (2-tailed)
人口密度/(人/km2)0.291**0.004
路网密度/(km/km2)0.274**0.000
给排水设施0.193*0.050
高程/m-0.259**0.010
地形起伏度-0.118*0.050
坡度/°-0.093*0.050

归一化植被指数

不透水面百分比/%

-0.297**

0.314**

0.002

0.000