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Geophysical Monograph Series



  • Carbon sequestration
  • Carbon cycle (Biogeochemistry)

Index Terms

  • 1630 Global Change: Impacts of global change



Section 3: Assessing risks, benefits, and impacts of sequestration


The chapters in Section 3 provide details about the potential direct impacts of carbon sequestration, especially associated risks. Terrestrial carbon sequestration such as uptake by soils, grasses, and trees poses very little risk to health and human safety. However, the risk of CO2 loss (that is, by the sink becoming a source) is not insignificant because of fires, deforestation, poor agricultural planning, erosion, and other processes (e.g., read the discussion by Van Oost et al.). The oceans are probably the CO2 sink presenting the least risk, at least to human health and safety; sequestration here is a natural process inasmuch as the oceans simply absorb CO2 from the atmosphere. The impacts of this uptake are potentially very negative for sea-life, however, by acidification of ocean waters, as discussed by Feely et al.

Citation: Anonymous (2009), Section 3: Assessing risks, benefits, and impacts of sequestration, in Carbon Sequestration and Its Role in the Global Carbon Cycle, Geophys. Monogr. Ser., vol. 183, edited by B. J. McPherson and E. T. Sundquist, pp. 159–159, AGU, Washington, D. C., doi:10.1029/2009GM000910.

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