The ENSO signal in atmospheric composition fields: emission-driven versus dynamically induced changes

作者: A. Inness , A. Benedetti , J. Flemming , V. Huijnen , J. W. Kaiser

DOI: 10.5194/ACP-15-9083-2015

关键词:

摘要: Abstract. The El Nino–Southern Oscillation (ENSO) not only affects meteorological fields but also has a large impact on atmospheric composition. Atmospheric composition from the Monitoring Composition and Climate (MACC) reanalysis are used to identify ENSO signal in tropospheric ozone, carbon monoxide, nitrogen oxide smoke aerosols, concentrating months October December. During Nino years, all of these have increased concentrations over maritime South East Asia October. MACC Integrated Forecasting System (C-IFS) model is quantify relative magnitude dynamically induced emission-driven changes fields. While ozone combination changes, oxides aerosols almost entirely model. continue into December, i.e. after end Indonesian fire season while other confined season.

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