Physics
Scientific paper
Dec 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....9418467s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Dec. 20, 1989, p. 18467-18484.
Physics
20
Atmospheric Models, Carbon 14, Diffusion Coefficient, Stratosphere, Two Dimensional Models, Transport Properties, Troposphere, Turbulent Diffusion
Scientific paper
The time evolution of excess C-14 in the stratosphere and the troposphere from October 1963 to December 1966 is investigated using the Caltech/JPL two-dimensioanal transport model, with transport coefficients taken from Yang and Tung (1989). It is found that the model successfully accounts for observations reported previously. It is calculated that excess C-14 is removed from the atmosphere with surface deposition velocities of 0.003 cm/sec in the Southern Hemisphere and 0.005 cm/sec in the Northern Hemisphere. This result is contrary to the current understanding that the oceans are the dominant sink for excess C-14.
Allen Mark
Crisp David
Shia Run-Lie
Yung Yuk L.
Zurek Richard W.
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