Precise quantification of seasonal air-sea exchanges of O2 at the hemispheric scale using data from the ATom, ORCAS, and HIPPO airborne campaigns.

Yuming Jin, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, Britton B Stephens, National Center for Atmospheric Research, Earth Observing Laboratory, Boulder, CO, United States, Jonathan Bent, NOAA ESRL Global Monitoring Division, United States and Ralph F Keeling, Univ California San Diego, La Jolla, CA, United States