基于多源时空信息的西宁和拉萨近70年来城市扩展过程重现及地表覆盖变化分析
郭长庆,张学霞,侯亚丽,匡文慧

Reconstructing Urban Expansion and Analyzing Land Cover Change of Xining and Lhasa in the Past 70 Years based on Multi-source Spatiotemporal Information
Changqing Guo,Xuexia Zhang,Yali Hou,Wenhui Kuang
图3 近70 a西宁和拉萨城市扩展和城市土地面积变化
Fig 3 Urban expansion and urban land area changes in Xining and Lhasa in the past 70 years