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Lamarque, J. F., Kiehl, J. T., Hess, P. G., Collins, W. D. 
ORCID: https://orcid.org/0000-0002-4463-9848, Emmons, L. K., Ginoux, Paul, Luo, Ming Cheng and Tie, X. X.
(2005)
Response of a coupled chemistry-climate model to changes in aerosol emissions:Global impact on the hydrological cycle and the tropospheric burdens of OH, ozone, and NOx.
Geophysical Research Letters, 32 (16).
pp. 1-4.
ISSN 0094-8276
Abstract
In this study, we analyze the response of the coupled chemistry-climate system to changes in aerosol emissions in fully coupled atmospheric chemistry-climate-slab ocean model simulations; only the direct radiative effect of aerosols and their uptake of chemical species are considered in this study. We show that, at the global scale, a decrease in emissions of the considered aerosols (or their precursors) produces a warmer and moister climate. In addition, the tropospheric burdens of OH and ozone increase when aerosol emissions are decreased. The ozone response is a combination of the impact of reduced heterogeneous uptake of N2O5 and increased ozone loss in a moister atmosphere. Under reduced aerosol emissions, the tropospheric burden of NOx (NO + NO2) is strongly reduced by an increase in nitric acid formation but also increased by the reduced N2O5 uptake. Finally, we discuss the significant difference found between the combined impact of all aerosols emissions and the sum of their individual contributions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | geophysics,general earth and planetary sciences,sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/1900/1908 |
| Faculty \ School: | Faculty of Science > School of Environmental Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 07 Jul 2026 11:25 |
| Last Modified: | 12 Jul 2026 23:03 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/103722 |
| DOI: | 10.1029/2005GL023419 |
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