Organic carbon burial

Fig. 4.14. Tracing climate change in the Miocene. Shown here are records of ice volume and temperature (based on foraminiferal S 0) and relative organic carbon burial (based on foraminiferal S C), compared with the CO2 estimates of Pagani et al. (1999), and tectonic events that may have affected ocean heat transport. Trends in CO2 are consistent with organic carbon burial and CO2 drawdown during the Monterey Excursion, but cannot explain the Miocene Climatic Optimum (MCO) or expansion of the East Antarctic Ice Sheet (EAIS).

Table 25.1 Organic Carbon Burial Rates Regimes (Pg C/y). in Different Marine Sediment ...

Figure 10.43. Results of model calculations of the carbonate-silicate geochemical cycle illustrated in Figure 10.42. The corresponding changes in atmospheric CO2 and temperature during the last 100 million years are evident. Notice how organic carbon burial may play a strong role as a negative feedback mechanism for a perturbation in atmospheric CO2 driven by tectonics. (After Lasaga et al., 1985.)...

Arthur M.A., Dean W.E. and Pratt L.M. (1988) Geochemical and climatic effects of increased marine organic carbon burial at the Cenomanian/Turonian boundary. Nature 335, 714-717. 

FranceLanord C. and Derry E. A. (1997) Organic carbon burial forcing of the carbon cycle from Himalayan erosion. Nature 390(6655), 65-67. 

Lyle M. (1988) Climatically forced organic carbon burial in the equatorial Atlantic and Pacific Oceans. Nature 335, 529-532. 

Kuypers M. M. M (2001) Mechanisms and biogeochemical impheations of the mid-Cretaceous global organic carbon burial events. PhD Dissertation, Universitiet Utrecht, 135pp (unpubhshed). 

The carbon isotopic composition of marine limestones is generally interpreted to reflect the rate of organic carbon burial (Forg, molyr ), although a number of other factors are actually involved and may be as significant for particular events or trends. The time rate of change of the of the ocean, can be expressed as (e.g., Kump and Arthur, 1999)... 

The sulfur isotope records, instead, suggest that terrestrial organic carbon burial was enhanced during the Silurian and Carboniferous (Kump, 1992). 

Organic carbon burial 0.05-0.13 Lein, 1984 Berner, 1982 Berner and RaisweU, 1983 Dobrovolsky, 1994 Schlesinger, 1997... 

Shackleton N. J. (1987) The carbon isotope record of the Cenozoic history of organic carbon burial and of oxygen in the ocean and atmosphere. In Marine Petroleum Source Rocks Geological Society Special Publication 26 (eds. J. Brooks and A. J. Fleet). Blackwell, Boston, pp. 423-434. 

Figure 12 Estimated organic carbon burial (a), pyrite sulfur burial (b), and atmospheric oxygen concentrations (c) through Phanerozoic time, derived from estimates of rock abundance and their relative organic carbon and...

Bjerrum and Canfield (2004) have used the relationship in Fig. 5.13 to calculate the ratio of organic carbon burial to the total amount of carbon buried in the sedimentary record over time. They show (Fig. 5.13b) that organic carbon burial was less in the Archaean than at the present day. These authors also calculated the effects of a third carbon isotope reservoir - that of carbonate in the oceanic crust - and showed that in this case the degree of organic carbon burial was much less in the Archaean than at present. This result would imply that oxygen levels were low in the Archaean, not because... 

Kuypers M.M.M., Pancost R.D., Nijenhuis I.A., Sinninghe DamsteJ.S. (2002) Enhanced productivity led to increased organic carbon burial in the euxinic North Atlantic basin during the late Cenomanian oceanic anoxic event. Paleoceanogr. 17, 1051, doi 10.1029/222PA000569. 

St-Onge, G. and Hillaire-Marcel, C. (2001) Isotopic constraints of sedimentary inputs and organic carbon burial rates in the Saguenay Fjord, Quebec. Marine Geology, 176, 1-22. 

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