基于空间突变特征的城市边缘区提取方法

戴俊杰, 董婧雯, 杨晟, 孙毅中

Identification Method of Urban Fringe Area based on Spatial Mutation Characteristics

DAI Junjie, DONG Jingwen, YANG Shen, SUN Yizhong

表7 景观层级景观格局指数

Tab. 7 Landscape size landscape pattern index table

景观指数 本文方法 不同指标方法 建成区 边缘区 乡村腹地 建成区 边缘区 乡村腹地 PD 0.4691 0.7598 0.7823 0.5556 0.7204 0.7997 LPI 76.7554 20.3421 39.1059 59.5960 17.7651 45.0538 LSI 3.3659 16.4304 19.6181 3.7778 16.9795 18.5328 FRAC_AM 1.0921 1.1375 1.1730 1.0816 1.1379 1.1791 AI 81.7670 54.8965 55.6802 79.4382 54.8470 56.5867 COHESION 95.1307 90.4746 95.2351 92.7071 90.1185 95.9542 CONTAG 72.2574 40.8016 40.8820 70.1049 43.3433 42.5859 DIVISION 0.3985 0.9446 0.8291 0.6044 0.9289 0.7785 SPLIT 1.6624 18.0450 5.8515 2.5279 14.0619 4.5153 SHDI 0.3180 0.8430 0.5750 0.4550 0.8360 0.5990 SHEI 0.2884 0.5894 0.6518 0.3179 0.6211 0.6383