2009•Geophysical Research LettersOpen access

Global ocean heat content 1955–2008 in light of recently revealed instrumentation problems

Sydney Levitus, John I. Antonov, Timothy P. Boyer, Ricardo Locarnini, Hernan E. Garcia, Alexey Mishonov

Abstract

We provide estimates of the warming of the world ocean for 1955–2008 based on historical data not previously available, additional modern data, correcting for instrumental biases of bathythermograph data, and correcting or excluding some Argo float data. The strong interdecadal variability of global ocean heat content reported previously by us is reduced in magnitude but the linear trend in ocean heat content remain similar to our earlier estimate.

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Key concepts: Bathythermograph, Argo, Ocean heat content, Effects of global warming on oceans, Environmental science, Climatology, Float (project management), Instrumentation (computer programming)