Institute of Meteorology and Climate Research

Ozone recovery in the upper stratosphere


Ozone trends before and after 1997 as a function of altitude, determined from multiple satellite measurements including MIPAS. Before 1997 ozone concentrations declined at all altitudes. After 1997, as a consequence of the regulation of ozone depleting substances, the ozone layer has stabilized, and in the upper stratosphere even ozone recovery can be observed.

Ozone trends were analyzed from a composite time series including ozone measurements from SAGE-II, GOMOS, SCIAMACHY, MIPAS, OSIRIS, ACE-FTS, and OMPS. The trend analysis is based on de-seasonalized time series.

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