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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Ammonia (NH3) in the atmosphere is important because of its influence on aerosol and cloud formation and its increasing anthropogenic emissions. We report the first detection of NH3 in the upper troposphere by the analysis of infrared limb emission spectra measured by the MIPAS instrument on Envisat. We have found enhanced values of NH3 within the Asian summer monsoon upper troposphere, where it might contribute to the composition of the Asian tropopause aerosol layer.
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Articles | Volume 16, issue 22
Atmos. Chem. Phys., 16, 14357–14369, 2016
https://doi.org/10.5194/acp-16-14357-2016

Special issue: StratoClim stratospheric and upper tropospheric processes...

Atmos. Chem. Phys., 16, 14357–14369, 2016
https://doi.org/10.5194/acp-16-14357-2016

Research article 18 Nov 2016

Research article | 18 Nov 2016

First detection of ammonia (NH3) in the Asian summer monsoon upper troposphere

Michael Höpfner et al.

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Short summary
Ammonia (NH3) in the atmosphere is important because of its influence on aerosol and cloud formation and its increasing anthropogenic emissions. We report the first detection of NH3 in the upper troposphere by the analysis of infrared limb emission spectra measured by the MIPAS instrument on Envisat. We have found enhanced values of NH3 within the Asian summer monsoon upper troposphere, where it might contribute to the composition of the Asian tropopause aerosol layer.
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