Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/43555
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Civil and Environmental Engineering | - |
dc.creator | Xue, LK | - |
dc.creator | Saunders, SM | - |
dc.creator | Wang, T | - |
dc.creator | Gao, R | - |
dc.creator | Wang, XF | - |
dc.creator | Zhang, QZ | - |
dc.creator | Wang, WX | - |
dc.date.accessioned | 2016-06-07T06:16:42Z | - |
dc.date.available | 2016-06-07T06:16:42Z | - |
dc.identifier.issn | 1991-959X | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/43555 | - |
dc.language.iso | en | en_US |
dc.publisher | Copernicus GmbH | en_US |
dc.rights | © Author(s) 2015. This is an open access article distributed under the Creative Commons Attribution 3.0 License (https://creativecommons.org/licenses/by/3.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | en_US |
dc.rights | The following publication: Xue, L. K., Saunders, S. M., Wang, T., Gao, R., Wang, X. F., Zhang, Q. Z., and Wang, W. X.: Development of a chlorine chemistry module for the Master Chemical Mechanism, Geosci. Model Dev., 8, 3151-3162 is available at https://doi.org/10.5194/gmd-8-3151-2015, 2015. | en_US |
dc.title | Development of a chlorine chemistry module for the Master Chemical Mechanism | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 3151 | en_US |
dc.identifier.epage | 3162 | en_US |
dc.identifier.volume | 8 | en_US |
dc.identifier.issue | 10 | en_US |
dc.identifier.doi | 10.5194/gmd-8-3151-2015 | en_US |
dcterms.abstract | The chlorine atom (Cl·) has a high potential to perturb atmospheric photochemistry by oxidizing volatile organic compounds (VOCs), but the exact role it plays in the polluted troposphere remains unclear. The Master Chemical Mechanism (MCM) is a near-explicit mechanism that has been widely applied in the atmospheric chemistry research. While it addresses comprehensively the chemistry initiated by the OH, O3 and NO3 radicals, its representation of the Cl· chemistry is incomplete as it only considers the reactions for alkanes. In this paper, we develop a more comprehensive Cl· chemistry module that can be directly incorporated within the MCM framework. A suite of 205 chemical reactions describes the Cl·-initiated degradation of alkenes, aromatics, alkynes, aldehydes, ketones, alcohols, and some organic acids and nitrates, along with the inorganic chemistry involving Cl· and its precursors. To demonstrate the potential influence of the new chemistry module, it was incorporated into a MCM box model to evaluate the impacts of nitryl chloride (ClNO2), a product of nocturnal halogen activation by nitrogen oxides (NOX), on the following day's atmospheric photochemistry. With constraints of recent observations collected at a coastal site in Hong Kong, southern China, the modeling analyses suggest that the Cl· produced from ClNO2 photolysis may substantially enhance the atmospheric oxidative capacity, VOC oxidation and O3 formation, particularly in the early morning period. The results demonstrate the critical need for photochemical models to include more detailed chlorine chemistry in order to better understand the atmospheric photochemistry in polluted environments subject to intense emissions of NOX, VOCs and chlorine-containing constituents. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Geoscientific model development, 2015, v. 8, no. 10, p. 3151-3162 | - |
dcterms.isPartOf | Geoscientific model development | - |
dcterms.issued | 2015 | - |
dc.identifier.scopus | 2-s2.0-84943806404 | - |
dc.description.validate | 201811_a bcma | en_US |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Xue_Development_chlorine_chemistry.pdf | 1.26 MB | Adobe PDF | View/Open |
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