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Height distribution of atmospheric ozone

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Summary

The paper contains a summary of the results of the height distribution of ozone in the atmosphere obtained at Motmt. Abu with a Dobson Speetrophotometer during the period October 1951 to April 1952, when western disturbances affect North Indian weather. The observations show that there is very little ozone in the atmosphere below 18 km., that the ozone amount above 27 km. show very little systematic change with total amount, and that most of the changes take place in the layer 18 to 27 km. These results are compared with those obtained at Delhi, Kodaikanal, New Mexico (with V2 rockets), Arosa (in Switzerland) and Tromsϕ (Norway). In middle and high latitudes, there are substantial amounts of ozone below 18 km., and the larger the total amount, the larger is the proportion in the lower levels. For high ozone amounts in high latitudes, nearly hall the total amount may be below 20 km.

These results are discussed in relation to the variations of ozone with latitude and season, connecting them with the photo-chemical formation of ozone in the atmosphere above 27 km., the existence of a shelter-region for ozone between 27 km. and the tropopause and the destruction of ozone by mixing it with water-vapour and oxidisable matter carried up in the troposphere by convective activity.

It is concluded that the problem of variations of atmospherie ozone is one of large-scale turbulence and circulation in the upper troposphere and lower stratosphere.

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References

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Authors and Affiliations

  1. Physical Research Laboratory, Ahmedabad

    K. R. Ramanathan & R. N. Kulkarni

Authors
  1. K. R. Ramanathan
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  2. R. N. Kulkarni
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Ramanathan, K.R., Kulkarni, R.N. Height distribution of atmospheric ozone. Proc. Indian Acad. Sci. 37, 321–331 (1953). https://doi.org/10.1007/BF03052715

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  • DOI: https://doi.org/10.1007/BF03052715

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