Objective
Verification of new chemical tracers for studying ocean general circulation ; Distribution and ecology of pelagic sea skaters and their response to environmental factors ; Optical characteristics of aerosols on oceans observed by shipboard skyradiometer ; Mapping stable oxygen isotope ratio on the Indian and Pacific sectors of the Southern Ocean ; Distribution of water vapor isotope ratio on oceans ; Study on ocean general circulation and heat/freshwater transport and their variability in the Pacific and Southern oceans using Argo floats ; Carbon dioxide and volatile organic matter influencing the climate system in the Southern Ocean ; Clarification of Lyra seamount formation processes ; Circulation of global warming gases related to marine biomass using isotopes ; Standardization of geophysical data and application to ocean floor dynamics ; Temporal and spatial distribution of optical characteristics of clouds and aerosols on oceans