. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). ATMOSPHERIC CARBON DIOXIDE AND RADIOCARBON: I 77. RELATIVE SIZE OF LAND BIOTA t 3 STANDARD <Nbo + Neo»/Nao] Fig. 21 Fraction of industrial C02 remaining in the lower atmosphere as a function of the relative size of the land biota, for several values of the atmosphere to ocean transfer time, Tjj,,, and a biota growth factor of The average fraction observed from 1959 to 1969 (42%) is indicated by a horizontal line, and the size of the biota u
. Carbon and the biosphere; proceedings of the 24th Brookhaven symposium in biology, Upton, , May 16-18, 1972. Carbon cycle (Biogeochemistry). ATMOSPHERIC CARBON DIOXIDE AND RADIOCARBON: I 77. RELATIVE SIZE OF LAND BIOTA t 3 STANDARD <Nbo + Neo»/Nao] Fig. 21 Fraction of industrial C02 remaining in the lower atmosphere as a function of the relative size of the land biota, for several values of the atmosphere to ocean transfer time, Tjj,,, and a biota growth factor of The average fraction observed from 1959 to 1969 (42%) is indicated by a horizontal line, and the size of the biota used as a standard case (Njj0 + Neu = Nao) is indicated by an arrow. records of industrial production and sunspot numbers to examine in greater detail the properties of the natural carbon cycle and to make time-dependent predictions. ACKNOWLEDGMENTS We thank Paul Damon, Johann Vogel, George M. Woodwell, and Hans Suess for advice regarding the land biota and radiocarbon, and Peter Guenther and Alex Adams for help in carrying out the computations. The authors are also indebted to Anne Thistle for special help in preparing the typescript. Support was given by the Atmospheric Sciences Division of the National Science Foundation under Grant 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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