- 2021 - 2025 Geographical studies of coastal waters: creating coastal seafloor geomorphology and visualization and enlightenment of seafloor landscape
- 2020 - 2025 Past climatic change and its influence on the Japanese society
- 2020 - 2024 人間活動が支配する新しい地球環境時代の開始とその評価に向けて
- 2019 - 2023 海洋酸性化が沿岸生物の世代交代、群集・個体群構造に及ぼす長期影響評価
- 2016 - 2019 Investigation of spatial-temporal transition and influx of heavy metal pollution on the coast of the Dominican Republic and validation of load source measures
- 2015 - 2019 Studies on marine environments of Indonesian throughflow and its impact on the climate and coral reefs
- 2014 - 2019 Experimental studies of ocean acidification impact on coastal marine organisms and ecosystem
- 2012 - 2015 Survey of past/present lead pollution caused by a battery factory in the coastal area of Dominican Republic
- 2012 - 2015 Inter- and intracolony variability of coral climate proxies and implication for coral climatology
- 2010 - 2015 Study on ocean acidification and mass extinction of biosphere in the earth surface's environmental system
- 2008 - 2012 Historic changes in coral reefs and their stressors
- 2009 - 2011 Reconstructions of seasonality of sea surface temperature and salinity in the tropics during the last glacial maximum based on a fossil coral
- 2009 - 2011 Study on coral calcification and signal recording ability of coral climate proxies
- 2010 - 2010 精密飼育実験に基づく間接指標の開発と低中緯度域の気候変動システムの解明
- 2007 - 2008 Development of culturing system for coral and establishment of precise proxies using coral skeleton
- 2004 - 2005 サンゴ骨格を用いた熱帯域における微量化学物質による海洋汚染の精密復元に関する研究
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