. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). 102 BACASTOW AND KEELING cc O I- o < LL o QC o < h- o. 2 3 4 C02 INCREASE (1959 TO 1969), % preindustrial atmosphere Fig. 6 Adjustment of the six-reservoir model with an increasing land biomass to fit preassigned values of the Suess effect relative to standard, Su48, and 1 4C/C ratio in ocean water, Rm/R#, relative to the oxalic acid standard for the year 1954. Su48 varies from to ; Rm/R# = Curves show the variation in the pre
. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). 102 BACASTOW AND KEELING cc O I- o < LL o QC o < h- o. 2 3 4 C02 INCREASE (1959 TO 1969), % preindustrial atmosphere Fig. 6 Adjustment of the six-reservoir model with an increasing land biomass to fit preassigned values of the Suess effect relative to standard, Su48, and 1 4C/C ratio in ocean water, Rm/R#, relative to the oxalic acid standard for the year 1954. Su48 varies from to ; Rm/R# = Curves show the variation in the predicted C02 increase in the atmosphere between 1959 and 1969 as j3 varies for fixed values of ram and Nmo/Nao. Su48 varies only negligibly for different values of (5 along a given curve. A small heliomagnetic effect (approximately —) has been included in the Su48 evaluations. adjusting Tam, Nm0/Na0, and j3 to produce a prescribed value of Su48, suggest that at present we cannot very precisely fix the size of the ocean surface layer from a knowledge of the Suess effect: to specify Nm0/Na0 within ±30% of its value would require that the Suess effect be known to ± We may instead take the point of view that the model restricts the predicted value of the Suess effect if we require a reasonable value of Nm0/Na0. On the basis of general. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brookhaven National Laboratory; Woodwell, G. M; Pecan, Erene V. [Washington] Technical Information Center, U. S. Atomic Energy Commission; [available from National Technical Information Service, Springfield, Va. ]
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