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Ocean Storage of CO₂

¹ Department of Civil and Environmental Engineering
Massachusetts Institute of Technology, Room 48-216b
Cambridge, MA 02139, USA
E-mail: eeadams{at}mit.edu
² Department of Global Ecology, Carnegie Institution
Stanford University, 260 Panama St., Stanford, CA 94305, USA
E-mail: kcaldeira{at}stanford.edu

One method for minimizing climate change is to capture CO₂ from power plants and inject it into the deep ocean, thus reducing the magnitude and rate of change of CO₂ concentration in the atmosphere and the surface ocean. Many discharge options are possible, with varied mixing and retention characteristics. The ocean's capacity is vast, and mathematical models suggest that injected CO₂ could remain sequestered for several hundred years. While theoretical and laboratory studies support the viability of ocean storage, field experiments are necessary to realistically evaluate the environmental impact.

KEYWORDS: ocean carbon sequestration, CO₂ ocean storage, environmental impact, climate change

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