1971　B.Sc.(Kyoto University)

1974  M.S.            (Kyoto University)

1981  Ph D.(Kyoto University)

1977  Research Associate, Center for Southeast Asian Studies, Kyoto University

1982  Assistant Professor, Institute of Geoscience, University of Tsukuba

1982  Visiting Research Associate, Indian Institute of Tropical Meteorology

1982  Visiting Research Associate, Florida State University

1990  Associate Professor, Institute of Geoscience, University of Tsukuba

1992  Professor, Institute of Geoscience, University of Tsukuba

2002  Professor, Hydrospheric Atmospheric Research Center, Nagoya University

2003  Professor Emeritus, University of Tsukuba

1980  Prince Chichibu Memorial Prize (Japan Society for the Promotion of Science)

1981 Yamamoto Prize (Meteorological Society of Japan)

1986  Society Award  (Meteorological Society of Japan)

1991 Nikkei Global Environment Science and Technology Prize (Nihon Keizai Shinbun Inc.)

1995  MITSUBISHI Foundation Award (Mitsubishi Foundation)

2002  Fujiwara prize (Meteorological Society of Japan)

2006　International Award （Japanese Society of Hydrology and Water resources)