报告题目：Effect of urbanization on rainfall
Professor Johnny Chan is the Chair Professor of Applied Physics/Atmospheric Science, City University of Hong Kong, and the Director of Guy Carpenter Asia-Pacific Climate Impact Centre. obtained his bachelor and master degrees in physics from the University of Hong Kong and his Ph.D. in atmospheric science from Colorado State University in the US. Prof. Chan is internationally renowned in the research areas of typhoons and monsoons. Recently, he has been working on the problem of global warming and its relationship with typhoon activity, as well as on tropical cyclone and monsoon climate. He has published over 170 international journal articles and given more than 200 invited talks and conference papers. According to the Essential Science Indicators, he ranks the top in the world in the number of SCI-listed journal articles related to tropical cyclones, and is the ninth most-cited author in this field during the 1996-2006 period. Prof. Chan is currently a member of the Tropical Meteorology Research Working Group of the World Meteorological Organization and the Chair of its Tropical Cyclone Panel. He is also an associate editor of three journals: International Journal of Climatology, Atmospheric and Oceanic Science Letters and Acta Meteorological Sinica, and a member of the Editorial Board of World Scientific Series on Earth System Science in Asia. Prof. Chan’s honours include Honorary Fellow of the UK Energy Institute, Fellow of the American Meteorological Society, recipient of the International Journal of Climatology Award of the Royal Meteorological Society, Distinguished Meteorologist awarded by the Hong Kong Observatory, and a Senior Research Fellowship awarded by the Croucher Foundation.