Researcher's Profile

  • Associate Professor
  • Global Climate Dynamics

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March 2007 Ph.D., Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo (UTokyo)
April 2007 Researcher, Department of Earth and Planetary Science, Graduate School of Science, UTokyo
June 2009 Postdoctoral Fellow, International Pacific Research Center, University of Hawaii
November 2012 Project Scientist, Scripps Institution of Oceanography, University of California at San Diego
September 2014 Associate Professor, Research Center for Advanced Science and Technology, UTokyo 

Research Interests

The Earth's climate varies and changes due to its internal processes and external forcing such as human activity and volcanic eruptions. We work on mechanisms and predictions of the climate system and its variability/change by using observational data and numerical simulations. Our interests include:,
1) Dynamics of the climate change
The anthropogenically-induced climate change (i.e. the global warming) exibits seasonality and regionality in temperature changes. Precipitation is projected to increase or decrease dependiong on regions and seasons. We pursue understanding dynamics of the climate changes observed in the past and projected for future.
2) Natural climate variability
Natural climate variability, as well as the climate chage, contributes to abnormal weather events. We study mechanisms and predictions of natural variability in time scales spanning days to decades. Our focus is on (but not limited to) East Asian climate variablity.
3) Intereference of the climate change and natural variability
We recently found that natural variability can influence global-mean climate comparably with the global warming for a decade or two. We re-examine past observations from this perspective, to make suggestions for near-future decadal changes.

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