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Masumi Zaiki Email: mzaiki@fas.harvard.edu Visiting Scholar (2024-2025) Harvard Seismology Group Department of Earth and Planetary Sciences Harvard University Curriculum vitae |
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Research Interests The general objective of my research is to clarify the climatic characteristics of East Asia during the Little Ice Age (LIA), from the 16th to the 19th century, and to analyze climatic variability from that period to the current period of global warming. Since the availability of official meteorological data during the LIA is very limited, it is necessary to reconstruct climatic characteristics of that time from various data sources. Specifically, I have been using written qualitative weather descriptions and private old instrumental meteorological data from Japan and East Asia to reconstruct these characteristics. Imaging and digitization of old daily weather records and written instrumental meteorological data must be carried out before these records are lost or decayed. This activity is referred to as "Data Rescue" and is taking place at many institutions all over the world. I have also been working on "Data Rescue" of Southeast and East Asian instrumental meteorological records collected before the founding of official meteorological agencies. Currently, I am working with the Seismology Laboratory of Harvard University on a project to generate hourly numerical data from paper Thermographs and Barographs since the 1920s, stored at the Seikei Meteorological Observatory (Seikei Gakuen, Tokyo). This will enable analysis of climatic extremes that begin and end within a few hours and facilitate the study of their long-term changes in frequency and magnitude. 
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Education 2004: Ph.D. (Science), Tokyo Metropolitan University 2001: M.S., Tokyo Metropolitan University Professional Experience 2024-present: Visiting Scholar, Department of Earth and Planetary Sciences, Harvard University 2020-present: Professor, Faculty of Economics, Seikei University 2018-present: Member, Seikei Education and Research Center for Sustainable Development 2005-present: Visiting Researcher, Center for Spatial Information Science, The University of Tokyo 2010-2020: Associate Professor, Faculty of Economics, Seikei University 2009-2010: Lecturer, Faculty of Economics, Seikei University Publications Ishii, M., Kamahori, H., Kubota, H., Zaiki, M., Mizuta, R., Kawase, H., Nosaka, M., Yoshimura, H., Oshima, N., Shindo, E., Koyama, H., Mori, M., Hirahara, S., Imada, Y., Yoshida, K., Nozawa, T., Takemi, T., Maki, T., Nishimura, A. 2024. Global Historical Reanalysis with a 60-km AGCM and Surface Pressure Observations: OCADA. Journal of the Meteorological Society of Japan. Ser. II 102, 209-240. Refereed. Kubota, H., Tsukahara, T., Hirano, J., Matsumoto, J., Zaiki, M., Mikami, T., Allan, R., Wilkinson, C., Wilkinson, S., De Jong, A. 2023. Typhoon Analysis in the Vicinity of Japan Using the Instrumental Meteorological Data Recorded in the Ship Logs of Foreign Vessels during the Late Edo Period. E-journal GEO 18, 412-422. Refereed.(in Japanese with English abstract) Zaiki, M., Brandsma, T. 2023. Data Rescue of Rainfall Records from the Dutch East Indies. Geographical Reports of Tokyo Metropolitan University 58, 79-85. Zaiki, M. 2023. Meteorological Records of the Edo and Meiji Periods: Encounter with the Siebold Historical Records. In "Experience of Historical Materials Opens the Door to Japanese and World History" Seikei University Society of Literature ed. Kazamashobo. (in Japanese) Zaiki, M., Mikami, T., Hirano, J., Grossman, M., Kubota, H., Tsukahara, T. 2018. Climate Characteristics in the South-eastern Kanto Region of Japan Derived from Mid to Late 19th Century Meteorological Records. Journal of Geography 127, 447-455. Refereed. (in Japanese with English abstract) Zaiki, M. Mikami, T. 2018. Climate Variations in Tokyo Since the Edo Period. In "Tokyo as a Global City" Kikuchi, T., Sugai, T. Eds. Springer. ----------------------------
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