Physics
Scientific paper
Sep 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977izssr..41.1899d&link_type=abstract
(Mezhdunarodnyi Seminar po Aktivnym Protsessam na Solntse i Probleme Solnechnykh Neitrino, 8th, Leningrad, USSR, Sept. 25-27, 19
Physics
Cosmic Rays, Long Term Effects, Solar Cycles, Sunspots, Carbon 14, Galactic Radiation, Time Series Analysis, Trees (Plants)
Scientific paper
Solar modulation (sunspot) cycles of galactic cosmic rays have been studied for the period 1688-1951 on the basis of concentrations of carbon-14 (determined by scintillation of gas-filled counters) in tree rings. Consideration is also given to the production of solar cosmic rays with reference to 11 year cycles of C-14 concentration in the earth atmosphere. The data are reduced using time series analysis and the results are generalized in the form of correlation functions and normalized spectra.
Dergachev Valentin A.
Tleugaliev Kh. S.
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