基于线性光谱混合分析的乌鲁木齐不透水层提取及其时空变化分析
李荪青,付碧宏

Analyzing Temporal-spatial Change of Urumqi Impervious Surface using Linear Spectral Mixture Analysis
Sunqing Li,Bihong Fu
表2 乌鲁木齐不同时期不透水层面积及扩展情况
Table 2 The area and expansion of Impervious surface different period in Urumqi
年份199420002005201020152018
不透水层面积(km2)140.41168.60197.06265.19376.04462.62
扩展面积(km2)——28.1928.4668.12110.8686.58
扩展强度(%)3.353.386.918.367.67
扩展速率(km2*a-1)4.705.6913.6222.1728.86