Articles | Volume 17, issue 11
Atmos. Chem. Phys., 17, 6743–6757, 2017

Special issue: The Modular Earth Submodel System (MESSy) (ACP/GMD inter-journal...

Atmos. Chem. Phys., 17, 6743–6757, 2017

Research article 08 Jun 2017

Research article | 08 Jun 2017

Secondary ozone peaks in the troposphere over the Himalayas

Narendra Ojha et al.

Data sets

On the processes influencing the vertical distribution of ozone over the central Himalayas: Analysis of yearlong ozonesonde observations N. Ojha, M. Naja, T. Sarangi, R. Kumar, P. Bhardwaj, S. Lal, S. Venkataramani, R. Sagar, A. Kumar, and H. Chandola

Short summary
We investigate the processes, frequency of occurrence and seasonality, and effects of strongly enhanced ozone layers in the middle–upper troposphere (SOPs) over the Himalayas using a global model (EMAC). Rapid transport of stratospheric air masses is found as a key underlying process. Model predicts more frequent SOP events during the pre-monsoon. SOPs are found to significantly enhance the tropospheric ozone column over the Himalayas.
Final-revised paper