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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 29, issue 6
Ann. Geophys., 29, 1093-1099, 2011
https://doi.org/10.5194/angeo-29-1093-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 29, 1093-1099, 2011
https://doi.org/10.5194/angeo-29-1093-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

ANGEO Communicates 22 Jun 2011

ANGEO Communicates | 22 Jun 2011

New insights into the stratospheric and mesosphere-lower thermospheric ozone response to the abrupt changes in solar forcing

Karanam Kishore Kumar, K. V. Subrahmanyam, and Sherine Rachel John Karanam Kishore Kumar et al.
  • Space Physics Laboratory, Vikram Sarabhai Space Centre, Thiruvananthapuram-695022, India

Abstract. Using a unique set of satellite based observations of the vertical distribution of ozone during the recent annular solar eclipse of 15 January 2010, we demonstrate for the first time, a complete picture of the response of stratospheric ozone to abrupt changes in solar forcing. The stratospheric ozone decreased after the maximum obscuration of the Sun and then gradually increased with time. A dramatic increase in stratospheric ozone of up to 4 ppmv is observed 3 h after the maximum obscuration of the Sun. The present study also reports for the first time the mesosphere-lower thermospheric ozone response to solar eclipse. Thus it is envisaged that the present results will have important implications in understanding the ozone response to abrupt changes in solar forcing and time-scales involved in such response.

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