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Measurement of small ions and condensation nuclei over the sea near the land

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Summary

To study the ionization equilibrium, simultancous measurements of the concentration of small ions (n), concentration of condensation nuclei (Z), and the diffusion coefficient of condensation nuclei (D) have been carried out over the sea. If we take the variation ofD into consideration, the correlation among them was found to be well expressed by the simple formula;q=βn Z. The dependence of the effective attachment coefficient of small ions (β) upon the size of nuclei (2r) were also studied, and β was found to correlate well withD orr. Slight differences of the dependence of β uponD orr over the sea from that over the land seem to be well explained by the difference of charged states of nuclei over the sea and land.

Zusammenfassung

Zur Untersuchung des Ionisationsgleichgewichts wurden gleichzeitige Messungen der Konzentration schneller Ionen (n), der Konzentration der Kondensationskerne (Z) und des Diffusions-Koeffizienten der Kondensationskerne (D) über dem Meere ausgefürt. Unter Berücksichtigung des Diffusions-Koeffizienten (D) konnte der Zusammenhang zwischen den beiden anderen Grössen recht gut durch eine einfache Formel ausgedrückt werden:q=βn Z. Die Abhängigkeit des wirksamen Anlagerungskoeffizienten für schnelle Ionen (β) von der Grösse der Kondensationskerne (2r) wurde ebenfalls untersucht, und es wurde gefunden, dass β recht gut mitD oderr korreliert. Kleinere Unterschiede in der Abhängigkeit von β vonD oderr, welche bei einem Vergleich der Messungen über See und über Land festgestellt wurden, liessen sich gut durch den Unterschied der geladenen Zustände der Kondensationskerne über See und Land erklären.

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Authors and Affiliations

  1. Department of Nuclear Engineering, Nagoya University, Furo-Cho, Chigusa-ku, Nagoya, Japan

    M. Kawano

Authors
  1. M. Shimo
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  2. Y. Ikebe
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  3. T. Nakayama
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  4. M. Kawano
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Shimo, M., Ikebe, Y., Nakayama, T. et al. Measurement of small ions and condensation nuclei over the sea near the land. PAGEOPH 100, 109–122 (1972). https://doi.org/10.1007/BF00880232

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