Objective
Interdisciplinary research on oceanography and earth science in Weddle Sea and southern Pacific -Around the world cruise for anniversary of 30 years of R.V. Hakuho Maru- ; Turbulence observation in the Southern Ocean west of South America using CTD-attached fast-response thermistors ; Exploring the dynamics of planktonic larvae responsible for the biogeographic subdivision of deep-sea benthic fauna ; Do submarine volcanism in mid-ocean ridges impact global climate change? ; Float observation of mesoscale eddies in Southern Ocean