Abstract
Our view of the ocean’s role in climate change has changed substantially during the past ten years. Back then, changes in ocean circulation and deep-ocean carbon storage have been perceived as key players in climate change in that they have the capacity to cause changes in regional and interhemispheric marine heat transports and ocean- atmosphere carbon exchange thereby altering the atmosphere’s chemistry. Yet, the role these factors play in climate change was largely considered passive as it was believed that climatically-relevant ocean change is triggered by climate change itself. As such, the ocean would modulate the effects of climate change by moderating or amplifying the magnitude of climate change on a regional basis, but climate change itself would need an external trigger e. g., orbitally induced variations in incoming solar energy.
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