Halogens Enhance Haze Pollution in China
Severe and persistent haze events in northern China, characterized by high loading of fine aerosol especially of secondary origin, negatively impact human health and the welfare of ecosystems. However, current knowledge cannot fully explain the formation of this haze pollution. Despite field observa...
| Autores: | , , , , , , , , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2021 |
| País: | España |
| Institución: | Universitat Autònoma de Barcelona |
| Repositorio: | Dipòsit Digital de Documents de la UAB |
| Idioma: | inglés |
| OAI Identifier: | oai:ddd.uab.cat:250456 |
| Acceso en línea: | https://ddd.uab.cat/record/250456 https://dx.doi.org/urn:doi:10.1021/acs.est.1c01949 |
| Access Level: | acceso abierto |
| Palabra clave: | Reactive halogen species Secondary aerosol Haze pollution Anthropogenic bromine emission WRF-Chem |
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Halogens Enhance Haze Pollution in ChinaLi, Qinyi|||0000-0002-5146-5831Fu, XiaoPeng, XiangWang, WeihaoBadia, Alba|||0000-0003-0906-8258Fernandez, Rafael Pedro|||0000-0002-4114-5500Cuevas Rodríguez, Carlos Alberto|||0000-0002-9251-5460Mu, Yujing|||0000-0002-7048-2856Chen, Jianmin|||0000-0001-5859-3070Jimenez, Jose L.|||0000-0001-6203-1847Wang, Tao|||0000-0002-1323-8697Saiz-Lopez, Alfonso|||0000-0002-0060-1581Reactive halogen speciesSecondary aerosolHaze pollutionAnthropogenic bromine emissionWRF-ChemSevere and persistent haze events in northern China, characterized by high loading of fine aerosol especially of secondary origin, negatively impact human health and the welfare of ecosystems. However, current knowledge cannot fully explain the formation of this haze pollution. Despite field observations of elevated levels of reactive halogen species (e.g., BrCl, ClNO, Cl, HBr) at several sites in China, the influence of halogens (particularly bromine) on haze pollution is largely unknown. Here, for the first time, we compile an emission inventory of anthropogenic bromine and quantify the collective impact of halogens on haze pollution in northern China. We utilize a regional model (WRF-Chem), revised to incorporate updated halogen chemistry and anthropogenic chlorine and bromine emissions and validated by measurements of atmospheric pollutants and halogens, to show that halogens enhance the loading of fine aerosol in northern China (on average by 21%) and especially its secondary components (∼130% for secondary organic aerosol and ∼20% for sulfate, nitrate, and ammonium aerosols). Such a significant increase is attributed to the enhancement of atmospheric oxidants (OH, HO, O, NO, Cl, and Br) by halogen chemistry, with a significant contribution from previously unconsidered bromine. These results show that higher recognition of the impact of anthropogenic halogens shall be given in haze pollution research and air quality regulation. Anthropogenic emission of reactive halogens boosts the production of secondary aerosols leading to air quality degradation and calling for regulation. 22021-01-0120212021-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/250456https://dx.doi.org/urn:doi:10.1021/acs.est.1c01949reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengEuropean Commission https://doi.org/10.13039/501100000780 726349open accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:2504562026-06-06T12:50:31Z |
| dc.title.none.fl_str_mv |
Halogens Enhance Haze Pollution in China |
| title |
Halogens Enhance Haze Pollution in China |
| spellingShingle |
Halogens Enhance Haze Pollution in China Li, Qinyi|||0000-0002-5146-5831 Reactive halogen species Secondary aerosol Haze pollution Anthropogenic bromine emission WRF-Chem |
| title_short |
Halogens Enhance Haze Pollution in China |
| title_full |
Halogens Enhance Haze Pollution in China |
| title_fullStr |
Halogens Enhance Haze Pollution in China |
| title_full_unstemmed |
Halogens Enhance Haze Pollution in China |
| title_sort |
Halogens Enhance Haze Pollution in China |
| dc.creator.none.fl_str_mv |
Li, Qinyi|||0000-0002-5146-5831 Fu, Xiao Peng, Xiang Wang, Weihao Badia, Alba|||0000-0003-0906-8258 Fernandez, Rafael Pedro|||0000-0002-4114-5500 Cuevas Rodríguez, Carlos Alberto|||0000-0002-9251-5460 Mu, Yujing|||0000-0002-7048-2856 Chen, Jianmin|||0000-0001-5859-3070 Jimenez, Jose L.|||0000-0001-6203-1847 Wang, Tao|||0000-0002-1323-8697 Saiz-Lopez, Alfonso|||0000-0002-0060-1581 |
| author |
Li, Qinyi|||0000-0002-5146-5831 |
| author_facet |
Li, Qinyi|||0000-0002-5146-5831 Fu, Xiao Peng, Xiang Wang, Weihao Badia, Alba|||0000-0003-0906-8258 Fernandez, Rafael Pedro|||0000-0002-4114-5500 Cuevas Rodríguez, Carlos Alberto|||0000-0002-9251-5460 Mu, Yujing|||0000-0002-7048-2856 Chen, Jianmin|||0000-0001-5859-3070 Jimenez, Jose L.|||0000-0001-6203-1847 Wang, Tao|||0000-0002-1323-8697 Saiz-Lopez, Alfonso|||0000-0002-0060-1581 |
| author_role |
author |
| author2 |
Fu, Xiao Peng, Xiang Wang, Weihao Badia, Alba|||0000-0003-0906-8258 Fernandez, Rafael Pedro|||0000-0002-4114-5500 Cuevas Rodríguez, Carlos Alberto|||0000-0002-9251-5460 Mu, Yujing|||0000-0002-7048-2856 Chen, Jianmin|||0000-0001-5859-3070 Jimenez, Jose L.|||0000-0001-6203-1847 Wang, Tao|||0000-0002-1323-8697 Saiz-Lopez, Alfonso|||0000-0002-0060-1581 |
| author2_role |
author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Reactive halogen species Secondary aerosol Haze pollution Anthropogenic bromine emission WRF-Chem |
| topic |
Reactive halogen species Secondary aerosol Haze pollution Anthropogenic bromine emission WRF-Chem |
| description |
Severe and persistent haze events in northern China, characterized by high loading of fine aerosol especially of secondary origin, negatively impact human health and the welfare of ecosystems. However, current knowledge cannot fully explain the formation of this haze pollution. Despite field observations of elevated levels of reactive halogen species (e.g., BrCl, ClNO, Cl, HBr) at several sites in China, the influence of halogens (particularly bromine) on haze pollution is largely unknown. Here, for the first time, we compile an emission inventory of anthropogenic bromine and quantify the collective impact of halogens on haze pollution in northern China. We utilize a regional model (WRF-Chem), revised to incorporate updated halogen chemistry and anthropogenic chlorine and bromine emissions and validated by measurements of atmospheric pollutants and halogens, to show that halogens enhance the loading of fine aerosol in northern China (on average by 21%) and especially its secondary components (∼130% for secondary organic aerosol and ∼20% for sulfate, nitrate, and ammonium aerosols). Such a significant increase is attributed to the enhancement of atmospheric oxidants (OH, HO, O, NO, Cl, and Br) by halogen chemistry, with a significant contribution from previously unconsidered bromine. These results show that higher recognition of the impact of anthropogenic halogens shall be given in haze pollution research and air quality regulation. Anthropogenic emission of reactive halogens boosts the production of secondary aerosols leading to air quality degradation and calling for regulation. |
| publishDate |
2021 |
| dc.date.none.fl_str_mv |
2 2021-01-01 2021 2021-01-01 |
| dc.type.none.fl_str_mv |
Article http://purl.org/coar/resource_type/c_6501 VoR http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| dc.type.openaire.fl_str_mv |
info:eu-repo/semantics/article |
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article |
| dc.identifier.none.fl_str_mv |
https://ddd.uab.cat/record/250456 https://dx.doi.org/urn:doi:10.1021/acs.est.1c01949 |
| url |
https://ddd.uab.cat/record/250456 https://dx.doi.org/urn:doi:10.1021/acs.est.1c01949 |
| dc.language.none.fl_str_mv |
Inglés eng |
| language_invalid_str_mv |
Inglés |
| language |
eng |
| dc.relation.none.fl_str_mv |
European Commission https://doi.org/10.13039/501100000780 726349 |
| dc.rights.none.fl_str_mv |
open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by/4.0/ |
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info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by/4.0/ |
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openAccess |
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application/pdf |
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reponame:Dipòsit Digital de Documents de la UAB instname:Universitat Autònoma de Barcelona |
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Universitat Autònoma de Barcelona |
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Dipòsit Digital de Documents de la UAB |
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Dipòsit Digital de Documents de la UAB |
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