He is the committee member of Digital Mountain Committee of International Society of Digital Earth, committee member of Mountain Resource Committee of China Society of Natural Resources and lifetime member of Chinese Society for Mineralogy, Petrology and Geochemistry. He received a doctorate degree in geographic information science and mainly focused on the landscape geochemistry study using geospatial techniques, remote sensing for ecological environment, and intelligent space-time simulation of surface landscape evolution. He presided over 21 projects, such as the National Natural Science Foundation of China, the China Postdoctoral Science Fund, the National Ecological Environment Changes Monitoring by Remote Sensing, Sichuan Province Postdoctoral Research Project Special Fund and other national and provincial projects; He published over 70 papers in the "Journal of Geographic Exploration", "Environmental Geochemistry and Health", "International Journal of Intelligent Systems and Applications", "The Scientific World Journal", "Journal of Image and Graphics", "Geoderma", "Archives of Agronomy and Soil Science", "Critical Reviews in Environmental Science and Technology", and other peer-reviewed publications indexed by SCI, EI, or CSCD. Tel: +86-18702846902, Email: yuhuan0622@126.com