1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. School of Geomatics and Urban Spatial Informatics, Beijing University of Civil Engineering and Architecture, Beijing, People’s Republic of China
3. Department of Geosciences and Natural Resource Management (IGN), University of Copenhagen, København K, Denmark
4. Department of Theoretical Cybernetics and Applied Mathematics, Altai State University, Barnaul, Russia