Prof. Michael Goodchild from the University of California, also a member of the United States National Academy of Sciences, paid a visit to RADI on October 30.

Prof. GUO Huadong, Director-General of RADI welcomed this visit. LIU Jie, head of RADI's International Cooperation Office, introduced RADI's research, research projects and its progress in international cooperation. The two sides also discussed on the issues like big data and high-resolution data.

In his report titled "High-resolution Satellite Remote Sensing Imagery and Its Application", Michael Goodchild introduced the development of remote sensing technology and its future prospects, and pointed out that the remote sensing is core to geography information system (GIS) in the era of big data.

Michael Goodchild has long relationship with RADI. As a member of RADI's International Expert Committee (IEC), he received his IEC Letter of Appointment during this visit.

Prof. GUO Huadong presented the IEC Letter of Appointment to Prof.  Michael Goodchild.