- 2022 - 2026 The impact of sudden high turbidity water on the groundwater environment of an alluvial fan
- 2022 - 2026 北陸特有の融雪パターンと越境大気汚染が森林流域の水・物質動態に及ぼす影響の解明
- 2020 - 2024 多雪地域の森林における間伐後の水・土砂流出過程の解明
- 2016 - 2019 Elucidation of nitrogen dynamics in a temperate forest watershed with heavy snowfall using isotopic compositions of nitrate and water
- 2015 - 2018 A study on the mechanism of canopy interception using stable isotopes of water
- 2015 - 2018 Improvement of model prediction of radiocesium cycling in forested ecosystem by adaptation of stable cesium dynamics
- 2014 - 2017 Discharge of suspended solids and radiocesium from a forested watershed before and after line thinning
- 2014 - 2017 Identifying nitrate dynamics in forest-agricultural ecosystem using triple oxygen isotopes
- 2013 - 2016 New evolvement in termite control -Elucidation of mineral and water metabolic system and technical development in their disruption-
- 2013 - 2016 Cryo-SEM/EDX study of the uptake and the radial movement of minerals in the tree trunk
- 2010 - 2012 Influence of forest soil acidification on the retention and leaching of heavy metals in forest ecosystems
- 2010 - 2012 The functional changes of xylem parenchyma cells with respect to cell age of parenchyma cells analyzed by cryo-TOF-SIMS
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