“We figured the amount of carbon that is not sinking out as a result of global temperature change is similar to the total amount of carbon emissions that the United Kingdom pumps into the atmosphere each year,” says first author B.B. Cael, a graduate student in MIT’s Department of Earth, Atmospheric and Planetary Sciences (EAPS). “If carbon is just standing in the surface ocean, it’s easier for it to end up back in the atmosphere.”
http://news.mit.edu/2017/rising-temperatures-are-curbing-ocean-capacity-store-carbon-0706