Articles | Volume 21, issue 9
Atmos. Chem. Phys., 21, 7187–7198, 2021
https://doi.org/10.5194/acp-21-7187-2021

Special issue: Regional assessment of air pollution and climate change over...

Atmos. Chem. Phys., 21, 7187–7198, 2021
https://doi.org/10.5194/acp-21-7187-2021

Research article 11 May 2021

Research article | 11 May 2021

Convergent evidence for the pervasive but limited contribution of biomass burning to atmospheric ammonia in peninsular Southeast Asia

Yunhua Chang et al.

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Cited articles

Akagi, S. K., Yokelson, R. J., Wiedinmyer, C., Alvarado, M. J., Reid, J. S., Karl, T., Crounse, J. D., and Wennberg, P. O.: Emission factors for open and domestic biomass burning for use in atmospheric models, Atmos. Chem. Phys., 11, 4039–4072, https://doi.org/10.5194/acp-11-4039-2011, 2011. 
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Andreae, M. O. and Merlet, P.: Emission of trace gases and aerosols from biomass burning, Global Biogeochem. Cy., 15, 955–966, https://doi.org/10.1029/2000gb001382, 2001. 
Aneja, V. P., Schlesinger, W. H., and Erisman, J. W.: Farming pollution, Nat. Geosci., 1, 409–411, https://doi.org/10.1038/Ngeo236, 2008. 
Aouizerats, B., van der Werf, G. R., Balasubramanian, R., and Betha, R.: Importance of transboundary transport of biomass burning emissions to regional air quality in Southeast Asia during a high fire event, Atmos. Chem. Phys., 15, 363–373, https://doi.org/10.5194/acp-15-363-2015, 2015. 
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Short summary
In this study, we integrated satellite constraints on atmospheric NH3 levels and fire intensity, discrete NH3 concentration measurement, and N isotopic analysis of NH3 in order to assess the regional-scale contribution of biomass burning to ambient atmospheric NH3 in the heartland of Southeast Asia. The combined approach provides a valuable cross-validation framework for source apportioning of NH3 in the lower atmosphere and will thus help to ameliorate predictions of biomass burning emissions.
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