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Article: Quantifying air pollution removal by green roofs in Chicago

TitleQuantifying air pollution removal by green roofs in Chicago
Authors
KeywordsDry deposition
Cost
Extensive green roofs
Intensive green roofs
Issue Date2008
Citation
Atmospheric Environment, 2008, v. 42, n. 31, p. 7266-7273 How to Cite?
AbstractThe level of air pollution removal by green roofs in Chicago was quantified using a dry deposition model. The result showed that a total of 1675 kg of air pollutants was removed by 19.8 ha of green roofs in one year with O3 accounting for 52% of the total, NO2 (27%), PM10 (14%), and SO2 (7%). The highest level of air pollution removal occurred in May and the lowest in February. The annual removal per hectare of green roof was 85 kg ha-1 yr-1. The amount of pollutants removed would increase to 2046.89 metric tons if all rooftops in Chicago were covered with intensive green roofs. Although costly, the installation of green roofs could be justified in the long run if the environmental benefits were considered. The green roof can be used to supplement the use of urban trees in air pollution control, especially in situations where land and public funds are not readily available. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/296630
ISSN
2023 Impact Factor: 4.2
2023 SCImago Journal Rankings: 1.169
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, Jun-
dc.contributor.authorYu, Qian-
dc.contributor.authorGong, Peng-
dc.date.accessioned2021-02-25T15:16:18Z-
dc.date.available2021-02-25T15:16:18Z-
dc.date.issued2008-
dc.identifier.citationAtmospheric Environment, 2008, v. 42, n. 31, p. 7266-7273-
dc.identifier.issn1352-2310-
dc.identifier.urihttp://hdl.handle.net/10722/296630-
dc.description.abstractThe level of air pollution removal by green roofs in Chicago was quantified using a dry deposition model. The result showed that a total of 1675 kg of air pollutants was removed by 19.8 ha of green roofs in one year with O3 accounting for 52% of the total, NO2 (27%), PM10 (14%), and SO2 (7%). The highest level of air pollution removal occurred in May and the lowest in February. The annual removal per hectare of green roof was 85 kg ha-1 yr-1. The amount of pollutants removed would increase to 2046.89 metric tons if all rooftops in Chicago were covered with intensive green roofs. Although costly, the installation of green roofs could be justified in the long run if the environmental benefits were considered. The green roof can be used to supplement the use of urban trees in air pollution control, especially in situations where land and public funds are not readily available. © 2008 Elsevier Ltd. All rights reserved.-
dc.languageeng-
dc.relation.ispartofAtmospheric Environment-
dc.subjectDry deposition-
dc.subjectCost-
dc.subjectExtensive green roofs-
dc.subjectIntensive green roofs-
dc.titleQuantifying air pollution removal by green roofs in Chicago-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.atmosenv.2008.07.003-
dc.identifier.scopuseid_2-s2.0-51349152634-
dc.identifier.volume42-
dc.identifier.issue31-
dc.identifier.spage7266-
dc.identifier.epage7273-
dc.identifier.isiWOS:000260265900008-
dc.identifier.issnl1352-2310-

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