Surface Seawater pCO2 Variation after a Typhoon Passage in the Kuroshio off Eastern Taiwan

In this study, two cruises were conducted across the mainstream of Kuroshio off eastern Taiwan before and after passage Typhoon Saola in summer 2012. The continuous underway pCO2 (i.e., partial pressure CO2) measurements revealed that surface seawater (SS pCO2) displayed spatial variations response to typhoon passage. simulated results showed mixed-layer deepening had a minor effect on SS variation because decrease driven by temperature dropdown enhanced biological production fueled nutrients input was largely compensated increase caused salinity dissolved inorganic carbon from subsurface layer. By contrast, advection pattern significant change typhoon, which could play major role controlling pCO2. exit area cyclonic eddy, decreased, while its arrival, increased. Besides, discharge freshwater intrusion South China Sea result nearshore area. present study highlights more changes need be considered better understand impact pCO2, especially strong current area, such as Kuroshio.