Articles | Volume 21, issue 14
Atmos. Chem. Phys., 21, 11337–11352, 2021
https://doi.org/10.5194/acp-21-11337-2021
Atmos. Chem. Phys., 21, 11337–11352, 2021
https://doi.org/10.5194/acp-21-11337-2021

Measurement report 28 Jul 2021

Measurement report | 28 Jul 2021

Measurement report: Long-emission-wavelength chromophores dominate the light absorption of brown carbon in aerosols over Bangkok: impact from biomass burning

Jiao Tang et al.

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Short summary
This article provides a combined EEM–PARAFAC and statistical analysis method to explore how excitation–emission matrix (EEM) chromophores influence BrC light absorption in soluble organic matter. The application enables us to deduce that BrC absorption is mainly dependent on longer-emission-wavelength chromophores largely associated with biomass burning emissions. This method promotes the application of EEM spectroscopy and helps us understand the light absorption of BrC in the atmosphere.
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