We have conducted research concerned with the interactions between climate variability and changes in marine ecosystem dynamics and biogeochemical cycles. The focus of the research was an area in the Western North Pacific where the circulation of deep-sea water terminates.
In this area we established two time-series stations, one in the western subarctic gyre (station K2: 47oN, 160oE) and the other in the subtropical gyre (station S1: 30oN, 145oE). In 2010 we began using the R/V Mirai to conduct a time-series comparative study of stations K2 and S1.

Location of time-series stations K2 and S1(Satellite image indicates climatological chlorophyll a concentrations)

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Activity in 2016

Activity in 2015

Activity in 2014