- 2015 - 2018 Analysis of trans-boundary transport of gaseous and particulate ammonium and inorganic nitrate
- 2013 - 2018 Five-dimensional data assimilation of aerosol based on integrated analysis of multi-wavelength lidar and chemical transport model
- 2011 - 2014 Partitioning and concentration levels of atmospheric ammonia under transboundary air pollution
- 2012 - 2013 一粒の石英粒子のカソードルミネッセンス分析によるダスト供給源推定法の開発
- 2008 - 2010 Internal mixing state and ice forming capability of atmospheric aerosol particles
- 2008 - 2010 Observation, analysis and model interactive study for the understanding of global dust dynamical processes.
- 2006 - 2010 Atmospheric deposition of particulate trace metals and organic carbon to the ocean and production processes of marine aerosols
- 2005 - 2006 雲粒子から生成するエアロゾルの空間分布のライダーを用いた測定方法の研究
- 2002 - 2005 MEASUREMENTS OF SPATIAL DISTRIBUTION OF AEROSOLS AND THEIR CHARACTERISTICS BY GROUND-BASED AND AERIAL OBSERVATIONS
- 2002 - 2003 Observational study of atmospheric chemistry in the free troposphere in relation to large-scale vertical mixing and diffusion
- 2001 - 2003 南極大気の微量気体成分・エアロゾル循環に果たす南大洋季節海氷域の役割に関する研究
- 2001 - 2002 Research on air pumping effects over central Japanese Alps in summer
- 1999 - 2001 Climatic imopact of aerosol,ozone and cloud in the Arctic
- 2000 - 2000 揮発性有機エアロゾルの化学性状に関する研究
- 1999 - 2000 Developments of Condensation Nuclei Counter used in the Troposphere and Stratosphere : Balloon-borne Type Counter
- 1999 - 1999 粒子状有機物の生成に関する研究
- 1998 - 1999 Atmospheric processes over the Tibetan plateau : atmospheric particle surface reaction destroying ozone
- 1997 - 1999 Studies of the morphology and the hetelogeneous reactions of Arctic PSC over Spitsbergen
- 1998 - 1998 粒子状有機物の化学性状に関する研究
- 1997 - 1998 The observation method of lower tropospheric aerosols using drop-aerosol-sondes : an application of a big size crewless airplane for measurements of environment
- 1995 - 1996 Development of balloon-Borne particle counter : Stratospheric aerosol density and morphology
- 1995 - 1996 Studies of the change on the composition and the optical properties of solid implities in deposited snow
- 1995 - 1996 Effect of Aerosol Particles on Ozone Loss in the Tropica Stratosphere
- 1995 - 1996 Observations of Polar Aerosols at Alaksa and Spitsbergen : Its influence on the global environmental change
- 1995 - 1995 山岳積雪に保持された黄砂粒子中の炭酸塩に関する研究
- 1994 - 1995 Transport of KOSA,SOx, and NOx from Asia to North-polar Region
- 1993 - 1994 Volatile Sulfur Compounds : Ocean Fluxes and Reaction Processes in the Atmosphere
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