Cited by 2,428Paleontology and Stratigraphy of FossilsGeology and Paleoclimatology ResearchGeological and Geochemical Analysis

The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years

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Berner, R. A., Lasaga, A. C., Garrels, R. M.·1983·American Journal of Science

Abstract

A computer model has been constructed that considers the effects on the CO/sub 2/ level of the atmosphere, and the Ca, Mg, and HCO/sub 3/ levels of the ocean, of the following processes: weathering on the continents of calcite, dolomite, and calcium-and-magnesium-containing silicates; biogenic precipitation and removal of CaCO/sub 3/ from the ocean; removal of Mg from the ocean via volcanic-seawater reaction; and the metamorphic-magmatic decarbonation of calcite and dolomite (and resulting CO/sub 2/ degassing) as a consequence of plate subduction. Assuming steady state, values for fluxes to and from the atmosphere and oceans are first derived for the modern ocean-atmosphere system. Then the consequences of perturbing steady state are examined by deriving rate expressions for all transfer reactions. These rate expressions are constructed so as to reflect changes over the past 100 my. Results indicate that the CO/sub 2/ content of the atmosphere is highly sensitive to changes in seafloor spreading rate and continental land area, and, to a much lesser extent, to changes in the relative masses of calcite and dolomite. Consideration of a number of alternative seafloor spreading rate formulations shows that in all cases a several-fold higher CO/sub 2/ level for the Cretaceous atmosphere (65-100 mymore » BP) is obtained via the model. Assuming that CO/sub 2/ level and surface air temperature are positively correlated via an atmospheric greenhouse model, they authors predict Cretaceous paleotemperatures which are in rough general agreement with independent published data. Consequently, their results point to plate tectonics, as it affects both metamorphic-magmatic decarbonation and changes in continental land area, as a major control of world climate.« less

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  • Precipitation of carbonate minerals as a consequence of silicate weathering contributes to stabilization of atmospheric CO2 over geological time periods and to formation of pedogenic carbonates in natural and artificial soils over shorter time scales.

    “The precipitation of carbonate minerals as a consequence of silicate weathering contributes to the stabilization of atmospheric CO 2 over geological time periods 4,7 and also contributes to the formation of pedogenic carbonates in both natural 8 and artificial soils 9 over much shorter time scales.”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [4]

  • If the Ca or Mg in carbonate is derived from silicate weathering and weathering products, the process provides a means of effectively capturing and fixing atmospheric CO2.

    “If the Ca or Mg in the carbonate is derived from silicate weathering, and weathering products, this process provides a means of effectively capturing and fixing atmospheric CO 2 .[4][5][6]”

    From Rapid Removal of Atmospheric CO2 by Urban Soils (2015) · cites this paper as [4]

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Research works printed but not linked: 12

  1. Berner, E. K., and Berner, R. A., 1984, The Natural Water Cycle: Water and Major Elements: New York, Prentice-Hall, in press.
  2. Bischoff, J. L., and Dickson, F. W., 1975, Seawater-basalt interaction at 200°C and 500 bars: implications for origin of sea-floor heavy metal deposits and regulation of seawater chemistry: Earth Planetary Sci. Letters, v. 25, p. 385-397.
  3. Budyko, M. I., 1974, Climate and Life, English edition, Miller, D. H., ed.: New York, Academic Press, 508 p.
  4. Drever, J. I., 1974, The Magnesium Problem, in Goldberg, E. D., ed., The Sea, v. 5: New York, John Wiley & Sons, p. 337-350.
  5. Edmond, J. M., Measures, C., McDuff, R. E., Chan, L. H., Collier, R., Grant, B., Gordon, L. J., and Corliss, J. B., 1979, Ridge crest hydrothermal activity and the balances of the major and minor elements in the ocean: the Galapagos Data: Earth Planetary Sci. Letters, v. 46, p. 1-18.
  6. Fischer, A. G., 1983, The two Phanerozoic subcycles, in Berggren, W., and van Couvering, J., eds., Catastrophies in Earth History; The New Uniformitarianism: Princeton, N.J., Princeton Univ. Press, (in press).
  7. Frakes, L. A., 1976, Ciimates Throughout Geologic Tinie: Amsterdam, Elsevier, 310 p.
  8. Garrels, R. M., 1967, Genesis of some ground waters from igneous rocks, in Abelson, P. H., ed., Researches in Geochemistry, v. 2: New York, John Wiley & Sons, p. 405-420.
  9. Garrels, R. M., and Lerman, A., 1981, Phanerozoic cycles of sedimentary carbon and sulfur: Natl. Acad. Sci. Proc., v. 78, p. 4652-4656.
  10. Holland, H. D., 1978, The Chemistry of the Atmospheres and Oceans: New York, Wiley Intersci., 351 p.
  11. Urey, H. C., 1952, The Planets, Their Origin and Development: New Haven, Yale Univ. Press, 245 p.
  12. Wolfe, J. A., and Hopkins, D. M., 1967, Climatic changes recorded by Tertiary land floras in northwestern North America: Pacific Sci. Conf., Ilth Tokyo, 1966 Symposium 25 (K. Hatai, ed.), p. 67-76.

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Authors
Berner, R. A., Lasaga, A. C., & Garrels, R. M.
Venue
American Journal of Science
Published
1983-09-01
Volume
283
Issue
7
Pages
641-683
ISSN
0002-9599 (ISSN-L)
OpenAlex
W2084849445
Cited by
2,428
References
0
Citations by year
2026: 90 · 2025: 134 · 2024: 147 · 2023: 118 · 2022: 110 · 2021: 126 · 2020: 89 · 2019: 96 · 2018: 101 · 2017: 86 · 2016: 80 · 2015: 74 · 2014: 60 · 2013: 83 · 2012: 71
FWCI
30.22
Type
journal article
Language
en
Open access
Locations
American Journal of Science (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
Keywords
carbonate-silicate cycle, atmospheric CO2, air-sea CO2 flux, continental weathering, plate subduction, seafloor spreading rates, greenhouse effect, paleoclimate

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