Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/87677
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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorYu, Cen_US
dc.creatorWang, Zen_US
dc.creatorXia, Men_US
dc.creatorFu, Xen_US
dc.creatorWang, Wen_US
dc.creatorTham, YJen_US
dc.creatorChen, TSen_US
dc.creatorZheng, PGen_US
dc.creatorLi, HYen_US
dc.creatorShan, Yen_US
dc.creatorWang, XFen_US
dc.creatorXue, LKen_US
dc.creatorZhou, Yen_US
dc.creatorYue, DLen_US
dc.creatorOu, YBen_US
dc.creatorGao, Jen_US
dc.creatorLu, KDen_US
dc.creatorBrown, SSen_US
dc.creatorZhang, YHen_US
dc.creatorWang, Ten_US
dc.date.accessioned2020-07-16T04:03:24Z-
dc.date.available2020-07-16T04:03:24Z-
dc.identifier.issn1680-7316en_US
dc.identifier.urihttp://hdl.handle.net/10397/87677-
dc.language.isoenen_US
dc.publisherCopernicus GmbHen_US
dc.rights© Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/).en_US
dc.rightsThe following publication Yu, C., Wang, Z., Xia, M., Fu, X., Wang, W., Tham, Y. J., ... & Wang, T. Heterogeneous N2O5 reactions on atmospheric aerosols at four Chinese sites: Improving model representation of uptake parameters, Atmospheric Chemistry and Physics, 20(7), 4367-4378 is available at https://dx.doi.org/10.5194/acp-20-4367-2020en_US
dc.titleHeterogeneous N2O5 reactions on atmospheric aerosols at four Chinese sites: improving model representation of uptake parametersen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage4367en_US
dc.identifier.epage4378en_US
dc.identifier.volume20en_US
dc.identifier.issue7en_US
dc.identifier.doi10.5194/acp-20-4367-2020en_US
dcterms.abstractHeterogeneous reactivity of N2O5 on aerosols is a critical parameter in assessing NOx fate, nitrate production, and particulate chloride activation. Accurate measurement of its uptake coefficient (gamma N2O5) and representation in air quality models are challenging, especially in the polluted environment. With an in situ aerosol flow-tube system, the gamma N2O5 was directly measured on ambient aerosols at two rural sites in northern and southern China. The results were analyzed together with the gamma N2O5 derived from previous field studies in China to obtain a holistic picture of gamma N2O5 uptake and the influencing factors under various climatic and chemical conditions. The field-derived or measured gamma N2O5 was generally promoted by the aerosol water content and suppressed by particle nitrate. Significant discrepancies were found between the measured gamma N2O5 and that estimated from laboratory-determined parameterizations. An observation-based empirical parameterization was derived in the present work, which better reproduced the mean value and variability of the observed gamma N2O5. Incorporating this new parameterization into a regional air quality model (WRF-CMAQ) has improved the simulation of N2O5, nitrogen oxides, and secondary nitrate in the polluted regions of China.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationAtmospheric chemistry and physics, 15 Apr. 2020, v. 20, no. 7, p. 4367-4378en_US
dcterms.isPartOfAtmospheric chemistry and physicsen_US
dcterms.issued2020-
dc.identifier.isiWOS:000526058600002-
dc.identifier.scopus2-s2.0-85083502887-
dc.identifier.eissn1680-7324en_US
dc.description.validate202006 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_Scopus/WOSen_US
dc.description.pubStatusPublisheden_US
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