Auxiliary material for Paper 2008gb003316 Natural variability and anthropogenic trends in oceanic oxygen in a coupled carbon cycle-climate model ensemble T. L. Froelicher and F. Joos Climate and Environmental Physics, University of Bern, Bern, Switzerland G.-K. Plattner Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zuerich, Zuerich, Switzerland M. Steinacher Climate and Environmental Physics, University of Bern, Bern, Switzerland S. C. Doney Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA Froelicher, T. L., F. Joos, G.-K. Plattner, M. Steinacher, and S. C. Doney (2009), Natural variability and anthropogenic trends in oceanic oxygen in a coupled carbon cycle-climate model ensemble, Global Biogeochem. Cycles, 23, GB1003, doi:10.1029/2008GB003316. Introduction: The auxiliary material contains one figure and one text file. The figure and text contain information supporting the main text. More information on each file follows. 1. 2008gb003316-txts01.tex Text with information on the ocean biogeochemical model, the simulated climatological mean state of AOU, the oxygen drift in the fully coupled AOGCM, definitions of the different internal oscillation modes and the data sources and interpolation method that are used in the original paper. 2. 2008gb003316-fs01.eps Observed and simulated zonal mean of AOU for the Atlantic Ocean and the Indo-Pacific Ocean.