Articles | Volume 20, issue 9
Atmos. Chem. Phys., 20, 5437–5456, 2020
https://doi.org/10.5194/acp-20-5437-2020
Atmos. Chem. Phys., 20, 5437–5456, 2020
https://doi.org/10.5194/acp-20-5437-2020
Research article
11 May 2020
Research article | 11 May 2020

Fourier transform infrared time series of tropospheric HCN in eastern China: seasonality, interannual variability, and source attribution

Youwen Sun et al.

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Latest update: 17 May 2022
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Short summary
We present multiyear time series of ground-based Fourier-transform infrared spectroscopy measurements of HCN in densely populated eastern China. The seasonality and interannual variability of tropospheric HCN columns were investigated. The potential sources that drive the observed HCN seasonality and interannual variability were determined using a GEOS-Chem tagged CO simulation, global fire maps, and potential source contribution function values calculated using HYSPLIT back trajectories.
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