Results observed in DBO3 by KOPRI from 2014-2017 and 2019

Abstract

- In 2019, more higher salinity and nutrients concentrations were observed in the western stations in DBO3, suggesting the influence of Anadyr Water became stronger. - The higher nutrients concentrations observed in DBO3 could impact on the primary production in the central Arctic region. - KOPRI’s data set from 2014 to 2017 (and 2019??) shows that DOC concentration has increased in the easternmost station of DBO3, probably due to the increasing influence of Alaska Coastal Water or terrestrial DOC. - If riverine DOC input keeps increasing, it would significantly impact on carbon cycle in the central Arctic Ocean. - Therefore, long-term monitoring observation is required to understand environmental change in the Arctic Ocean.