2018 - 2021 Study on the change process in snowfall bulk density for forecasting surface avalanches caused by cyclonic snowfall
2016 - 2019 Development of estimation methods of physical quantities of new snow considering cloud microphysical processes using numerical meteorological model
変容する雪氷災害軽減のための危険度把握と面的予測の融合に関する研究
Papers (48)：
Sento NAKAI, Hiroki MOTOYOSHI, Katsuya YAMASHITA, Sojiro SUNAKO, Satoru YAMAGUCHI, Yoichi ITO, Kotaro YOKOYAMA, Yoshihide TOMINAGA, Isao KAMIISHI, Yoshiro KAKUDO. An automatic solid- and liquid-phase hydrometeor classification system based on optical disdrometer observations. Tenki. 2023. 70. 1. 5-11
Sento NAKAI, Katsuya YAMASHITA, Hiroki MOTOYOSHI, Toshiro KUMAKURA, Shigeki MURAKAMI, Takafumi KATSUSHIMA. Relationships between Radar Reflectivity Factor and Liquid-Equivalent Snowfall Rate Derived by Direct Comparison of X-Band Radar and Disdrometer Observations in Niigata Prefecture, Japan. Journal of the Meteorological Society of Japan. Ser. II. 2022. 100. 1. 45-56
Katsuya Yamashita, Satoru Yamaguchi, Takayuki Saito, Yuya Yamakura, Eiichiro Kanda, Sento Nakai, Hiroki Motoyoshi. Quantitative Snowfall Distribution Acquisition System with High Spatiotemporal Resolution Using Existing Snowfall Sensors. SOLA. 2020. 16. 0. 271-276
W. James Steenburgh, Sento Nakai. Perspectives on Sea- and Lake-Effect Precipitation from Japan’s “Gosetsu Chitai”. Bulletin of the American Meteorological Society. 2020. 101. 1. E58-E72
Development of the PM_2.5 measurement system for cold regions for the Cryosphere and PM_2.5 observations with the system in Alaska and Japan
(AGU Fall meeting 2022)
Analysis of 3-dimensional structure of mesoscale snowfall systems by comparison of radar-disdrometer observations and GPM Level 2 products
(Joint PI Workshop of Global Environment Observation Mission FY2022 2022)
