Improving Global Chemical Simulations With
Variational Assimilation Of GOME Data
Author(s)
S. Massart
Abstract
Data assimilation, which plays an important role in the analysis of atmospheric
data, in particular in Numerical Weather Prediction (NWP), is increasingly being
used to analyze photochemical data. This paper presents how MOCAGE CTM
simulations of global ozone have been improved using a variational assimilation
scheme. The analysis of the retrieved ozone profiles from the GOME nadirviewing
spectrometer increases the quality of MOCAGE forecasts in terms of
ozone profiles and total columns.
1 Introduction
Since the evidence of the hole in the ozone layer over Antarctica presented by
British Antarctic Survey in 1985, ozone has became one of the most important
trace species in the atmosphere, and its study has generated wide scientific and
public interest. Because of its role in the radiation budget, in the tropospheric pollution
Keywords
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