Objective
Investigation for the relationship among primary production, ocean circulation and deep-sea microbial ecosystems ; Investigation for the trench biosphere in the Chishima Trench and biogeography of deep-sea microbes in the north Pacific ; Applied research of MIRAI brand-new shipboard weather radar: Validation and utilization of dual-polarization information for global deployment ; Global distribution of drop size distribution of precipitating particles over pure-oceanic background ; Changes in calcification responses of marine planktonic organisms and pH in the subarctic North Pacific ; Aerosol optical characteristics measured by Ship-borne Sky radiometer ; Activity concentrations of Fukushima-derived radiocesium in oceanic zooplankton ; Standardisation of marine geophysical data and its application to geodynamics studies ; The study of the ocean circulation and the transport of heat and fresh water in the Pacific Ocean using by Argo floats ; Advanced continuous measurements of aerosols in the marine atmosphere: Elucidation of the roles in the Earth system ; Estimation of hazardous chemicals discharge form the melting ice in the Arctic Ocean ; Biogeochemical cycles of biogenic greenhouse gases in the North Pacific