Computer Science – Numerical Analysis
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979izssr..43..835d&link_type=abstract
(Seminar po Iadernoi Kosmicheskoi Fizike, 10th, Leningrad, USSR, Oct. 1978.) Akademiia Nauk SSSR, Izvestiia, Seriia Fizicheskaia
Computer Science
Numerical Analysis
Carbon 14, Cosmic Rays, Earth Atmosphere, Radioactive Decay, Sea Water, Concentration (Composition), Diffusion, Dynamic Models, Intensity, Numerical Analysis
Scientific paper
An analytical solution to the leaky-box model of a natural carboniferous reservoir is used to investigate the variation in radiocarbon (C-14) concentration in earth's atmosphere and oceans for three different forms of the C-14 production rate in the upper atmosphere. The three forms of the production rate correspond to cases of an average galactic cosmic-ray intensity, a deltoid production rate (which reflects the effects on earth's environment of solar flares, supernovae, and nuclear weapons tests), and a harmonic effect (e.g., solar modulation or cyclic variations in the geomagnetic field). The dependence of the amplitude function on the period of the variation in atmospheric C-14 production rate is plotted for a two-box model of a carboniferous exchange reservoir as well as for the leaky-box model.
Dergachev Valentin A.
Ostriakov V. M.
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