基于不透水面的中国县城建成区识别与时空演变研究
尹旭, 魏慧, 李裕瑞

Identification and spatio-temporal variation of county towns' built-up area of China based on impervious surface dataset
YIN Xu, WEI Hui, LI Yurui
图1 中国县城建成区识别的技术路线
Fig. 1 Technical framework of built-up area in county towns of China