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1698567 
Journal Article 
Model for investigating ozone trends (MEZON) 
Egorova, TA; Rozanov, EV; Zubov, VA; Karol, IL 
2003 
Yes 
Izvestiya, Atmospheric and Oceanic Physics
ISSN: 0001-4338
EISSN: 1531-8443 
39 
3 
277-292 
WOS:000183343700003 
The authors describe a three-dimensional global photochemical-tran sport model of the troposphere and stratosphere based on the circulation and temperature fields derived from the United Kingdom Meteorological Office data assimilation system. The results of numerical simulation of the space-time distribution of minor,oases are compared to satellite measurements and to the estimates obtained from a number of other three-dimensional photochemical models. This validation shows that the presented model satisfactorily reproduces the space-time distributions of O-3, NOx, HNO3, and ClONO2 mixing ratios, adequately reflects the real situation in the atmosphere, and can be successfully employed for analyzing the factors causing ozone-layer variability.