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Journal Article

The nonlinear response of stratospheric ozone to NOx and ClOx perturbations


Brasseur,  Guy P.       
The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Yang, P., & Brasseur, G. P. (2001). The nonlinear response of stratospheric ozone to NOx and ClOx perturbations. Gophysical Research Letters, 28, 717-720. doi:10.1029/2000GL011428.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-0221-1
A mathematical analysis of the stratospheric photochemical system (gas
phase reactions only) shows the existence of potential catastrophe
mechanisms which could produce a dramatic reduction in the ozone
concentration near 25 km altitude. The conditions leading to such
catastrophe correspond to a relatively modest (i.e., factor 2-2.5)
increase in the stratospheric source of reactive nitrogen (NOx). For a
tenfold increase in the source of reactive chlorine (ClOx), the ozone
system exhibits a large amplitude oscillatory behavior with a period of
several tens of years. Transport processes could, however, damp these
dramatic changes resulting from the nonlinear nature of the
stratospheric chemical system.