Analysis of land cover evolution within the built-up areas of provincial capital cities in northeastern China based on nighttime light data and Landsat data
Fig 3
Boundary extreme images and diagram of cross section line gray values.
(a) Boundary extreme images of Shenyang; (b) Boundary extreme images of Changchun; (c) Boundary extreme images of Harbin; (d) Schematic of cross section line gray values of Shenyang; (e) Schematic of cross section line gray values of Changchun; (f) Schematic of cross section line gray values of Harbin.