NorESM2-LM simulation results of a biogeochemically coupled 0.5%-CO2 simulation (atmospheric CO2 increases by 0.5% per year until doubling after 140 years) with additional Ocean Alkalinity Enhancement (OAE) at a rate of 0.56 Tmol TA per year. OAE follows the idealized protocol of the CDRMIP OAE experiments (homogeneous addition of TA to the surface ocean between 60S and 70N).