Niu, Quanfu https://orcid.org/0000-0003-0001-4093
Bai, Jianrong
Cheng, Weiming
Dang, Xinghai
Wang, Guigang
Gao, Xiaolong
Wang, Yijun
Funding for this research was provided by:
Gansu Education Department (2020C-40)
Department of Housing and Urban-Rural Development of Gansu (JK2021-57)
Gansu surveying and mapping institute of China (GSBSM-2017-01-08)
Article History
Received: 19 May 2021
Accepted: 29 April 2022
First Online: 1 June 2022