基于GIS空间分析的城市行道树安全评估

董元彪, 肖鹏峰, 刘豪, 吴悠绿, 郭瑞

Safety assessment of urban street trees based on GIS spatial analysis

Yuanbiao Dong, Pengfeng Xiao, Hao Liu, Youlü Wu, Rui Guo

表1 法桐行道树出险频度分级表

Table 1 Classification of accident frequency of Platanus orientalis street trees

等级 低 较低 中 较高 高 各区逐年出险频度 0~0.04% 0.04%~0.1% 0.1%~0.15% 0.15%~0.3% >0.3% 路段逐年出险频度 0~0.4% 0.4%~1% 1%~2% 2%~5% >5% 各区历年总出险频度 0~0.26% 0.26%~0.43% 0.43%~2.86% 2.86%~3.47% >3.47% 路段历年总出险频度 0~1.2% 1.2%~8.7% 8.7%~14% 14%~27% >27%