Spatiotemporal expansion modes of urban areas on the Loess Plateau from 1992 to 2021 based on nighttime light images. - Wanlin Chen; Qiang Xu 004; Kuanyao Zhao; Lina Hao; Chuanhao Pu; Shuang Yuan; Shuai Chui; Haoxing Zhao; Ke Yang (Int. J. Appl. Earth Obs. Geoinformation, 2023)