Prof. Dr Jianyao Chen has over 30 years of research experience in a broad range of issues, and his main current research interests are groundwater dynamics and relevant environmental change. He had international working experiences in China, Japan, Australia and Canada. He is a member of the Editorial Board for the journal: Isotopes in Environmental and Health Studies, co-chair for Groundwater and Climate Change Commission of IAH, IFG leader of INQUA for palaeogroundwater.