Study of SO2 and NO2 behaviour during the ozone-hole event at Antarctica by Brewer Spectrophotometer

Authors

  • S.K. PESHIN India Meteorological Department, New Delhi – 110 003, India

DOI:

https://doi.org/10.54302/mausam.v62i4.364

Keywords:

Brewer spectrophotometer, Ozone hole, Ultraviolet Radiation, Aerosol layer

Abstract

Vertical column density of sulphur dioxide has been measured at Maitri (70.7°S, 11.7°E), the Indian station in the Antarctica from September, 1999 to December, 2006 by a Brewer Spectrophotometer. Simultaneously, nitrogen dioxide, ozone and the maximum value of UV-B have also been measured, we found an increase in SO2 during spring. An increase in NO2 column was also found during this period but not identical with that of SO2. These variations in SO2 and NO2 are not in phase with the increase in UV-B flux at the ground due to the decrease of ozone column in the stratosphere. The variation of SO2 column is explained by the downward shift of penetration depth of UV-B radiation during the ozone-hole event.

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Published

01-10-2011

How to Cite

[1]
S. . PESHIN, “Study of SO2 and NO2 behaviour during the ozone-hole event at Antarctica by Brewer Spectrophotometer”, MAUSAM, vol. 62, no. 4, pp. 595–600, Oct. 2011.

Issue

Vol. 62 No. 4 (2011): MAUSAM

Section

Research Papers

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