0538 放出点近傍でのCO_2海洋隔離における濃度予測(S52-1 温室効果ガス排出抑制技術(1),S52 温室効果ガス排出抑制技術)

概要

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For the assessment of the long-term consequences of the carbon dioxide ocean sequestration, the CO_2 injection into the middle depth parts of the Pacific Ocean was simulated. The model consists of the essential processes, such as the ocean circulation developed by us, the solubility pump (CO_2 exchange flux across the atmosphere-ocean interface), the biological pump. Using this model, the CO_2 injection into the middle part of the ocean was simulated assuming the amount of CO_2 sequestered. Following results were obtained: (1) the present study could reveal the effectiveness of the direct ocean CO_2 sequestration, in relation to both selecting appropriate dumping depth, and evaluating the effect of CO_2 concentration to marine animals. (2) According to our model with a coarse grid mesh (2°×2°) , there would be less influence to the marine fish such as Pagrus major.
2007-09-07