A Model-based Assessment of Ocean Carbon Sequestration with Macroalgae Mariculture

Throughout this dissertation, a systematic evaluation of macroalgae-based CDR methodologies is carried out, encompassing various deployment locations,combinations with artificial upwelling, and a case study within Germany’s EEZ. The findings, in conjunction with existing research, underline the significant trade-offs involved, particularly the suppression of marine primary production which could have broader ecological ramifications. Despite being based on certain idealized assumptions, the thesis lays a solid groundwork for further investigations, advocating for a diversified approach in the assessment of climate mitigation strategies and emphasizing the urgency for further research, implementation, and global collaboration in addressing the climate change crisis.

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