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Measurements of atmospheric ozone at Bombay

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Summary

The present paper describes the daily measurements of atmospheric ozone made at the Colaba Observatory, Bombay, during the period October 1936 to September 1938 with a Dobson’s spectrograph by the method of photographic photometry. The average amount of ozone and its seasonal variation found at Bombay are in general agreement with those to be expected from Dobson’s world-wide ozone survey in 1930. The annualvariation is however disturbed by some unknown factor which makes the values on some of the days in the monsoon unusually low, giving rise to a hump in the seasonal variation curve in the months September–October. A similar disturbing influence is also to be noted from the earlier measurements at Zikawei, Helwan and Kodaikanal, at about the same period of the year. There is practically no correlation between the daily value of ozone, and the pressure at ground level.

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Authors
  1. M. W. Chiplonkar M. Sc.
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Additional information

(Communicated by Dr. K. R. Ramanathan,d. sc.)

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Chiplonkar, M.W. Measurements of atmospheric ozone at Bombay. Proc. Indian Acad. Sci. (Math. Sci.) 10, 105–120 (1939). https://doi.org/10.1007/BF03170429

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  • DOI: https://doi.org/10.1007/BF03170429

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