Xuan Zhu is a Senior Lecturer in School of Earth, Atmosphere and Environment, Monash University, Australia. He received an MSc degree in Cartography and Remote Sensing from Nanjing University, P.R. China, and a Ph.D. degree in Geographical Information Systems (GIS) from the University of Edinburgh. His main fields of research are GIS, knowledge-based systems, decision support systems, and their applications to resource use and management. In recent years, he works on above-ground metal stock analysis and modelling based on geospatial data, remote sensing and GIS technology.