Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (2021XJDC01)
State Key Laboratory of Resources and Environmental Information System (State Key Laboratory of Resources and Environmental Information System)
Key Laboratory of Geospace Environment and Geodesy, Ministry of Education, Wuhan University (19-02-08)
Guangxi Key Laboratory of Spatial Information and Geomatics (19-050-11-01)
National Natural Science Foundation of China (41804038)
Article History
Received: 19 April 2021
Accepted: 25 August 2021
First Online: 4 October 2021
Declarations
:
: The authors declare that they have no competing interests.