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Session 5
The Oceanic CO2 Sink: From Past to Future
The ocean has presently taken up roughly 50 % of anthropogenic CO2 that has been released into the atmosphere by burning of fossil fuel, changes in land-use and cement production. On geological time scales weathering of CaCO3 from seafloor sediments will greatly enhance the uptake and storage capacity of the ocean with respect to CO2 from the atmosphere. As such the ocean constitutes the ultimate CO2 sink, having a strong potential of regulating climate and the global carbon cycle. We invite contributions from the fields of paleo reconstruction and modern observations, forward and inverse modeling, with the aim to understand climate carbon cycle interactions, including natural fluctuations of the marine carbonate system, and to give future projections of the behaviour of the oceanic CO2 sink.
Plenary talks by Christoph Heinze (Bergen, Norway), Samar Khatiwala (Columbia, N.Y., USA) and Sara Mikaloff-Fletcher (Wellington, NZ)
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