- 2019 - 2024 Determinant of primary succession in post-landslide forests and development of afforestation technique by using nitrogen fixing plant
- 2019 - 2022 Prediction methods of sediment discharge areas due to slope failures caused by earthquake in volcanic ash deposited areas
- 2018 - 2021 Mechanism of multiple hazard chains and adaptations for rapidly population decline in Japan
- 2018 - 2019 Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster
- 2015 - 2016 Integrated study on the 2015 eruption at the Kuchinoerabujima volcano
- 2012 - 2016 Study on change in hydrological response of catchment to deposition of pyroclastics and occurence of sediment disaster after 2010 eruption of Mt. Merapi in Indonesia
- 2012 - 2015 Hydrological observation of subsurface flow spouting from pipe exits in torrent bed material and its triggering rainfall condition for the prediction of debris flow generation
- 2007 - 2008 Empirical and analytic study on the influence of forest relating to the scale of slope failure
- 2005 - 2008 Storm-induced disturbance on earth surface processes and risk management for sedimentarysystems
- 2005 - 2007 Study on the time variation of sediment discharge after gigantic landslide at volcanic area in south-east Asia
- 2005 - 2007 Lahar-induced disturbance of naturalresources and recovery from volcanic disaster at the Ruapehu volcano, North Island, New Zealand
- 2002 - 2006 火山噴火の長期予測と災害軽減のための基礎科学
- 2003 - 2005 Establishment of watershed conservation methodology based on the prediction of biosphere damage due to fine sediment discharge
- 2000 - 2003 Water and sediment delivery process and hazard environment linking with drainage net system and landscape changes in catchments scale
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