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| Job title |
Senior Researcher / The 2nd lab. / Department of Climate and Geochemistry Research |
| E-mail |
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| Expertise |
climate analysis, climate modeling |
| Degree |
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| Publications |
- Hirahara, S., M. Deushi, K. Yoshida, M. Ishii, T. Sakazaki, and H. Naoe, 2025: Surface Pressure Semidiurnal Tides and the Stratospheric Quasi-Biennial Oscillation: Synchronization and Disruption. JGR Atmospheres, 130, e2024JD042710, https://doi.org/10.1029/2024JD042710.
- Hirahara, S., I. Ishikawa, Y. Fujii, H. Nakano, H. Tsujino, Y. Adachi, and H. Naoe, 2024: Tropospheric and Stratospheric Boreal Winter Jet Response to Eddying Ocean in a Seasonal Forecast System. JGR Atmospheres, 129, e2023JD040444, https://doi.org/10.1029/2023JD040444.
- Hirahara, S., Y. Kubo, T. Yoshida, T. Komori, J. Chiba, T. Takakura, T. Kanehama, R. Sekiguchi, K. Ochi, H. Sugimoto, Y. Adachi, I. Ishikawa and Y. Fujii, 2023: Japan Meteorological Agency/Meteorological Research Institute Coupled Prediction System Version 3 (JMA/MRI-CPS3). J. Meteorol. Soc. Japan, 101, 149-169, https://doi.org/10.2151/jmsj.2023-009.
- Takaya, Y., S. Hirahara, T. Yasuda, S. Matsueda, T. Toyoda, Y. Fujii, H. Sugimoto, C. Matsukawa, I. Ishikawa, H. Mori, R. Nagasawa, Y. Kubo, N. Adachi, G. Yamanaka, T. Kuragano, A. Shimpo, S. Maeda and T. Ose, 2018: Japan Meteorological Agency/Meteorological Research Institute-Coupled Prediction System version 2 (JMA/MRI-CPS2): atmosphere-land-ocean-sea ice coupled prediction system for operational seasonal forecasting. Clim. Dyn., 3-4, 751-765.
- Hogan, R. and S. Hirahara, 2016: Effect of solar zenith angle specification in models on mean shortwave. Geophys. Res. Lett., 43, 482-488.
- Hirahara, S., M. Balmaseda, E. de Boisseson, and H. Hersbach, 2016: Sea Surface Temperature and Sea Ice Concentration for ERA5. ERA report series, 26.
- Hirahara, S., M. Ishii, Y. Fukuda, 2014: Centennial-Scale Sea Surface Temperature Analysis and Its Uncertainty. J. Climate, 27, 57-75.
- Hirahara, S., H. Ohno, Y. Oikawa, and S. Maeda, 2012: Strengthening of the southern side of the jet stream and delayed withdrawal of baiu season in future climate. J. Meteorol. Soc. Japan, 90, 663-671
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