Dr. Hiroshi L. Tanaka currently is a Professor Emeritus for the University of Tsukuba, Japan and Visiting Researcher for the Organization of Volcanic Disaster Mitigation: VOLCANO.

Dr. Tanaka received his B.S. in 1980 at the University of Tsukuba, Japan.  He earned his Ph.D. in 1988 at the University of Missouri-Columbia, USA.

Professional Employment:

2018 - 2020 Dean, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan

2005 - 2023 Full Professor, Center for Computational Sciences, University of Tsukuba, Japan

2001 - 2005 Associate Professor, Life and Environmental Science, University of Tsukuba, Japan

1991 - 2001 Assistant Professor, Institute of Geoscience, University of Tsukuba, Japan

1988 - 1991 Assistant Professor, Geophysical Institute, University of Alaska Fairbanks, USA

1981 - 1988 Sr. Research Specialist, Atmospheric Sciences, University of Missouri-Columbia, USA

Main Papers:

1. Tanaka, H.L., 1985: Global energetics analysis by expansion into three dimensional normal mode functions during the FGGE winter. Journal of the Meteorological Society of Japan, 63, 180-200.
2. Tanaka, H.L. and E.C. Kung, 1988: Normal mode energetics of the general circulation during the FGGE year. Journal of the Atmospheric Sciences, 45, 3723-3736.
3. Tanaka, H.L. and E.C. Kung, 1989: A study of low-frequency unstable planetary waves in realistic zonal and zonally varying basic states. Tellus, 41A, 179-199.
4. Tanaka, H.L. and Kasahara, A., 1992: On the normal modes of Laplace's tidal equations for zonal wavenumber zero. Tellus, 44A, 18-32.
5. Tanaka, H.L. and H. Tokinaga, 2002: Baroclinic instability in high latitudes induced by polar vortex: A connection to the Arctic oscillation. J. Atmos. Sci., 59, 69--82.
6. Ohashi, M. and H. L. Tanaka, 2010: Data analysis of warming pattern in the Arctic. SOLA, 6A, 1-4.
7. Tanaka, H.L., and M. Tamura　2016:  Relationship between the Arctic Oscillation and surface air temperature in multi-decadal time-scale. Polar Science, doi: 10.1016/j.polar.2016.03.002.
8. Akasofu, S. and H.L. Tanaka, 2018: On the natural component of climate change, Tsukuba Geoenvironmental Sciences, Vol. 14, pp. 1-7, Dec., 2018.
9. Tanaka, H.L. 2020a: Generalization of Baroclinic Instability and Rossby Wave Saturation Theory. In: agar N., Tribbia J. (eds) Modal View of Atmospheric Variability. Mathematics of Planet Earth, vol 8. Springer, Cham. https://doi.org/10.1007/978-3-030-60963-4_5.
10. Soon, W.W.H, and co-authors including H.L. Tanaka 2023: The detection and attribution of Northern Hemisphere land surface warming (1850-2018) in terms of hu man and natural factors: Challenges of inadequate data, Climate, 11(9), 179, 2023.

Refer to the Full Paper List: https://www.u.tsukuba.ac.jp/~tanaka.hiroshi.fw/web/papers.html