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ACP | Articles | Volume 19, issue 15
Atmos. Chem. Phys., 19, 9699–9714, 2019
https://doi.org/10.5194/acp-19-9699-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 19, 9699–9714, 2019
https://doi.org/10.5194/acp-19-9699-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 01 Aug 2019

Research article | 01 Aug 2019

Photochemical impacts of haze pollution in an urban environment

Michael Hollaway et al.

Data sets

APHH: Simulated photolysis rates using the Fast-JX model at the IAP-Beijing site during the winter and summer campaigns, Centre for Environmental Data Analysis M. Hollaway and O. Wild http://catalogue.ceda.ac.uk/uuid/4a1d547929d44698b91e0d75d417220b

APHH: Single Particle Soot Photometer measurements made at the IAP-Beijing site during the summer and winter campaigns, Centre for Environmental Data Analysis D. Liu http://catalogue.ceda.ac.uk/uuid/af3ccea589f9439e9e1f88c85d130965

APHH: Solar actinic UV flux photolysis rates made at the IAP-Beijing site during the summer and winter campaigns, Centre for Environmental Data Analysis L. Whalley and E. Slater http://catalogue.ceda.ac.uk/uuid/76b4ad364d71465d8f8b61e302eb2c4c

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This study, for the first time, uses combinations of aerosol and lidar data to drive an offline photolysis scheme. Absorbing species are shown to have the greatest impact on photolysis rate constants in the winter and scattering aerosol are shown to dominate responses in the summer. During haze episodes, aerosols are shown to produce a greater impact than cloud cover. The findings demonstrate the potential photochemical impacts of haze pollution in a highly polluted urban environment.
This study, for the first time, uses combinations of aerosol and lidar data to drive an offline...
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