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Recent interests Discovery of hydrothermal vent The link between global warming & ocean: the Carbon story Microbial loop Industrialized mariculture: Peter.

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Presentation on theme: "Recent interests Discovery of hydrothermal vent The link between global warming & ocean: the Carbon story Microbial loop Industrialized mariculture: Peter."— Presentation transcript:

1 Recent interests Discovery of hydrothermal vent The link between global warming & ocean: the Carbon story Microbial loop Industrialized mariculture: Peter Drucker

2 The Carbon Story Global warming: carbon dioxide Ocean: an ideal carbon sink Some oceans are iron limiting: Southern Ocean Hypothesis: Fertilization with Fe increases carbon sink

3 fertilizing the oceans with iron

4 Sea change: a satellite image of a 200-km algal bloom (orange) caused by iron fertilization

5 Southern Ocean Iron Fertilization Experiment (SOFeX) Iron sulfate Solution on the sea surface 200 km phytoplankton bloom Carbon can be transported below 100 metres by iron fertilization Fe : C = 1 : 1000 Lab experiment predicted 1 : 100,000

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