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During the last few decades, quantification of the ocean sink of CO 2 and its temporal evolution of the marine carbon cycle has been an important driver of marine biogeochemical research. International Geophysics Volume, Pages Recommended articles Citing articles 0. Over societally relevant timescales, diverse physical, biological, and chemical processes in the global ocean have a very important role in controlling the exchanges of CO 2 with the atmosphere and climate, given that the ocean contains roughly 60 times more carbon than the atmosphere.
A large fraction of emitted anthropogenic carbon C ant has been and will be absorbed by the oceans with implications for seawater chemistry, ocean pH contro, and the biological communities contained within. Here we review seawater carbonate chemistry, the sampling strategies, and networks required to observe variability in the global ocean carbon cycle and the flux of carbon between the ocean and the atmosphere but with a central focus, synthesizing and summarizing available estimates of the ocean uptake manoe inventories of C ant.
This chapter is aimed at a wider audience within the oceanographic community and points to the rich literature on marine carbon cycle research. The complex and dynamic marine carbon cycle is thus a fundamental part and regulator of life on Earth, requiring monitoring of its variability and understanding of the feedbacks to the climate system.
From this effort, it has become clear that there is substantial regional and temporal variability of the storage rate of C ant and those physico-biogeochemical processes that influence the marine carbon cycle. More recently, completion of a second global survey of the marine carbon cycle from to provided sufficient data to assess the rate of uptake and storage of C ant within the interior of the global ocean.
This is particularly relevant given that emissions of human dlwnload anthropogenic CO coontrol through fossil fuel and land use changes have led to significant perturbations in the global carbon cycle.