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Carbon Cycle: 1985 Glacial to Interglacial Changes in the Operation of the Global Carbon Cycle

Published online by Cambridge University Press:  18 July 2016

Wallace S Broecker
Affiliation:
Lamont-Doherty Geological Observatory, Palisades, New York 10964
Tsung-Hung Peng
Affiliation:
Lamont-Doherty Geological Observatory, Palisades, New York 10964
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Abstract

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The hottest topic for those interested in the earth's carbon cycles is the change in atmospheric CO2 content between glacial and interglacial time. What caused it? What is its role in glacial cycles? We evaluate here the hypotheses that have been put forward to explain the CO2 change with evidence from deep sea sediments. We conclude that all the hypotheses have serious drawbacks and that much effort will have to be expended in gathering more data from ice cores and ocean sediments before we will be pointed toward the correct scenario. Also, thoughtful modeling aimed at depicting the ties between pCO2, O2,13C/12C, 14C/12C, and nutrient constituents in the sea for various modes of circulation will have to be done before the evidence from ocean cores can be properly interpreted.

Type
III. The Carbon Cycle
Copyright
Copyright © The American Journal of Science 

References

Andrée, M, Beer, J, Oeschger, H, Broecker, W, Mix, A, Ragano, N, O'Hara, P, Bonani, G, Hofmann, H J, Morenzoni, E, Nessi, M, Suter, M and Wölfli, W, 1984. 14C Measurements on foraminifera of Deep Sea Core V28–238 and their preliminary interpretation: Nuclear Instruments & Methods, v B5, p 340345.Google Scholar
Andrée, M, Mix, A, Broecker, W, Beavan, N, Hofmann, H, Morenzoni, E, Nessi, M, Bonani, G, Suter, M and Wölfli, W, 1986, Accelerator radiocarbon dates on foraminifera from deep sea sediments, in Stuiver, M and Kra, R S, eds, Internatl 14C conf, 12th, Proc: Radiocarbon, this issue.Google Scholar
Barnola, J M, Raynaud, D, Neftel, D and Oeschger, H, 1983, Comparison of CO2 measurements by two laboratories on air bubbles in polar ice: Nature, v 303, p 410412.Google Scholar
Beer, J, Oeschger, H, Andrée, M, Bonani, G, Suter, M, Wölfli, W and Langway, CC, 1984, Temporal variations in the 10Be concentration levels found in the Dye 3 ice core, Greenland: Annals Glaciol, v 5, p 617.Google Scholar
Berner, W, Oeschger, H and Stauffer, B, 1980, Information on the CO2 cycle from ice core studies, in Stuiver, M and Kra, R S, eds, Internatl 14C conf, 10th, Proc: Radiocarbon, v 22, no. 2, p 227235.Google Scholar
Berner, W, Stauffer, B and Oeschger, H, 1979, Past atmospheric composition and climate gas parameters measured on ice cores: Nature, v 275, p 5355.Google Scholar
Boyle, E A, 1986, Paired cadmium and carbon isotope data in benthic foraminiferas: implications for changes in oceanic phosphorus, oceanic circulation and atmospheric carbon dioxide: Geochim et Cosmochim Acta, in press.Google Scholar
Boyle, E A and Keigwin, L D, 1985, Comparison of Atlantic and Pacific paleochemical records for the last 250,000 years: changes in deep ocean circulation and chemical inventories: Earth Planetary Sci Letters, v 76, p 135150.CrossRefGoogle Scholar
Boyle, E A, Schlater, F and Edmond, J M, 1976, On the marine geochemistry of cadmium: Nature, v 263, p 4244.Google Scholar
Broecker, W S, 1971, A kinetic model for the chemical composition of sea water: Quaternary Research, v 1, p 188207.Google Scholar
Broecker, W S, 1981, Glacial to interglacial changes in ocean and atmosphere chemistry, in Berger, A, ed, Climatic variations and variability: Facts and theories: Boston, D Reidel Pub Co, p 109120.Google Scholar
Broecker, W S, 1982a, Glacial to interglacial changes in ocean chemistry: Progress in Oceanog, v 11, p 151197.CrossRefGoogle Scholar
Broecker, W S, 1982b, Ocean chemistry during glacial time: Geochim et Cosmochim Acta, v 46, p 16891705.CrossRefGoogle Scholar
Broecker, W S, in press, Oxygen isotope constraints on surface ocean temperatures during glacial times: Quaternary Research.Google Scholar
Broecker, W S, Mix, A, Andrée, M and Oeschger, H, 1984, Radiocarbon measurements on coexisting benthic and planktic foraminifera shells: potential for reconstructing ocean ventilation times over the past 20,000 years: Nuclear Instruments & Methods, v B5, p 331.CrossRefGoogle Scholar
Broecker, W S and Peng, T-H, 1982, Tracers in the sea: Palisades, New York, Eldigio Press, 690 p.Google Scholar
Broecker, W S, Takahashi, T and Takahashi, T, 1985, Sources and flow patterns of deep ocean waters as deduced from potential temperature, salinity and initial phosphate concentration: Jour Geophys Research, v 90, p 69256939.CrossRefGoogle Scholar
Bruland, K W, 1980, Oceanographic distributions of Cd, Zn, Ni and Cu in the North Pacific: Earth Planetary Sci Letters, v 47, p 177198.Google Scholar
Bruland, K W, Knauer, G A and Martin, J H, 1978, Cadmium in the northwest Pacific waters: Limnol & Oceanog, v 23, p 618625.Google Scholar
Dahl-Jensen, D, 1985, Determination of the flow properties at Dye 3, south Greenland, by bore-hole-tilting measurements and perturbation modelling: Jour Glaciol, v 31, p 9398.Google Scholar
Dansgaard, W, 1985, Greenland ice core studies: Paleog, Paleoclimatol, Paleobot, v 50, p 185187.CrossRefGoogle Scholar
Dansgaard, W, Clausen, H B, Gundestrup, N, Hammer, C U, Johnsen, S J, Kristinsdottir, P M and Reeh, N, 1982, A new Greenland deep ice core: Science, v 218 p 12731277.CrossRefGoogle Scholar
Dansgaard, W, Johnsen, S J, Clausen, H B, Dahl-Jensen, D, Gundestrup, N and Hammer, C U, 1984, North Atlantic climatic oscillations revealed by deep Greenland ice cores, in Hansen, J E, and Takahashi, T, eds, Climate processes and climate sensitivity: Geophys Mono 29, p 288298.CrossRefGoogle Scholar
Delmas, R J, Ascencio, J -M and Legrand, M, 1980, Polar ice evidence that atmospheric CO2 29,000 yr BP was 50% of the present: Nature, v 284, p 155157.CrossRefGoogle Scholar
Friedli, H, Moor, E, Oeschger, H, Siegenthaler, U and Stauffer, B, 1984, 13C/12C ratios in CO2 extracted from Antarctic ice: Geophys Research Letters, v 11, p 11451148.Google Scholar
Gundnerstrup, N S and Hansen, B L, 1984, Bore-hole survey at Dye 3 south Greenland: Jour Glaciol, v 30, p 282288.CrossRefGoogle Scholar
Hester, K and Boyle, E, 1982, Water chemistry control of the Cd content of benthic foraminifera: Nature, v 298, p 260261.CrossRefGoogle Scholar
Knox, F and McElroy, M, 1984, Changes in atmospheric CO2: influence of marine biota at high latitudes: Jour Geophys Research, v 89, p 46294637.CrossRefGoogle Scholar
McCorkle, D, Emerson, S R and Quay, P D, 1985, Stable carbon isotopes in marine porewaters: Earth Planetary Sci Letters, v 74, p 1326.Google Scholar
Neftel, A, Oeschger, H, Schwander, J, Stauffer, B and Zumbrunn, R, 1982, Ice core sample measurements give atmospheric CO2 content during the past 40,000 years: Nature, v 295, p 220223.CrossRefGoogle Scholar
Sarmiento, J L and Toggweiler, R, 1984, A new model for the role of the oceans in determining atmospheric pCO2 . Nature, v 308, p 621624.Google Scholar
Schwander, J and Stauffer, B, 1984, Age difference between polar ice and the air trapped in its bubbles: Nature, v 311, p 4547.CrossRefGoogle Scholar
Shackelton, N J, 1977, Tropical rainforest history and the equatorial Pacific carbonate dissolution cycles, in Anderson, N R and Malahoff, A, eds, The fate of fossil fuel CO2 in the oceans: New York, Plenum Press, p 401428.Google Scholar
Shackleton, N J, Hall, M A, Line, J and Shuxi, C, 1983, Carbon isotope data in core V19–30 confirm reduced carbon dioxide concentration in the ice age atmosphere: Nature, v 306, p 319322.Google Scholar
Siegenthaler, U and Wenk, T, 1984, Rapid atmospheric CO2 variations and ocean circulation: Nature, v 308, p 624626.CrossRefGoogle Scholar
Stauffer, B, Hofer, H, Oeschger, H, Schwander, J and Siegenthaler, U, 1984, Atmospheric CO2 concentrations during the last glaciation: Annals Glaciol, v 5, p 160164.Google Scholar
Stauffer, B, Neftel, A, Oeschger, H and Schwander, J, 1985, CO2 concentration in air extracted from Greenland ice samples: AGU Geophys Mono ser, v 23, p 8589.Google Scholar
Sundquist, E T and Broecker, W S, eds, 1985, The carbon cycle and atmospheric CO2: Natural variations archaean to present: Geophys Monog, v 32.CrossRefGoogle Scholar
Takahashi, T, Broecker, W S and Langer, S, 1985, Redfield ratio based on chemical data from isopycnal surfaces: Jour Geophys Research, v 90, p 69076924.CrossRefGoogle Scholar
Zahn, R, Winn, K and Sarntheim, M, in press, Benthic foraminiferal 3C and microhabitats, evidence from the Uvigerina perigrina group and Cibicidoides wuellerstorfi: Paleooceanog.Google Scholar