Change in material cycles and ecosystem by the climate change and its feedback
Research and development of optical measurement of marine snow
Studies on the microbial-geochemical processes that regulate the operation of the biological pump in the subarctic and subtropical regions of the western North Pacific
An evaluation of past change of primary productivity at the region of NPIW formation using oxygen triple isotopes, O2, N2 and noble gases
Effects of meso-zooplankton on food web and vertical flux
Study of distribution and optical characteristics of ice/water clouds and marine aerosols
Observational research on air-sea interaction in the Kuroshio-Oyashio Extension region
Study of ocean circulation and heat and freshwater transport and their variability, and experimental comprehensive study of physical, chemical, and biochemical processes in the western North Pacific by the deployment of Argo floats and using Argo data
Tropospheric aerosol and gas profile observations by MAX-DOAS on a research vessel
Measurement of sea-to-air flux of marine biogenic gas (dimethyl sulfide) by eddy covariance method
Rain and seawater sampling for stable isotopes
Tectonics of the mid-Cretaceous Pacific Plate
Standardization of marine geophysical data and its application to the ocean floor geodynamics studies
Settling velocity of particles in the twilight zone
Long-term study on nutrients in global ocean
Onboard continuous air-sea eddy flux measurement
Maritime aerosol optical properties from measurements of Ship-borne sky radiometer