Dependence of urban air pollutants on morning/evening peak hours and seasons
Traffic emission is a major source of air pollution in urban cities of developing world. This paper shows dependence of traffic-related air pollutants in urban cities on morning/evening peak hours and winter/summer seasons. This research also shows the meteorological impact, such as temperature ( T...
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| Veröffentlicht in: | Archives of environmental contamination and toxicology 2019-05, Vol.76 (4), p.572-590 |
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| description | Traffic emission is a major source of air pollution in urban cities of developing world. This paper shows dependence of traffic-related air pollutants in urban cities on morning/evening peak hours and winter/summer seasons. This research also shows the meteorological impact, such as temperature (
T
), relative humidity (RH), and wind speed (WS), on traffic-related air pollutants in urban cites. Based on the research output, the elevated level of PM concentration was observed between 1.8 and 6.7 times at all nearby roadway locations compared with background (IIT [ISM] campus). We have found 2.3, 2.4, 2.6 (morning) and 2.0, 2.1, and 2.1 (evening) times higher average PM
10
, PM
2.5
, and PM
1
concentrations, respectively, in the winter than summer monitoring periods across all locations, due to the stable boundary layer, lower mixing height, and lower friction velocity. It is indicated that urban meteorology plays a crucial role in increasing or decreasing exposed pollutant concentrations in various microenvironments. The analysis of PM
2.5
/PM
10
ratios was lower during whole campaign due to higher contribution of coarser particles generated by vehicles. During winter and summer seasons, 0.57 and 0.33 was observed, respectively. It is indicated that 57% and 33% of PM
10
makes up PM
2.5
particle, respectively. PM concentrations have showed a negative linear relationship with
T
and WS and positive relationship with RH in winter/summer seasons. Therefore, traffic and meteorology play a big role to increase or decrease in traffic-related air pollutants in urban air quality. |
| doi_str_mv | 10.1007/s00244-019-00616-x |
| format | Article |
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T
), relative humidity (RH), and wind speed (WS), on traffic-related air pollutants in urban cites. Based on the research output, the elevated level of PM concentration was observed between 1.8 and 6.7 times at all nearby roadway locations compared with background (IIT [ISM] campus). We have found 2.3, 2.4, 2.6 (morning) and 2.0, 2.1, and 2.1 (evening) times higher average PM
10
, PM
2.5
, and PM
1
concentrations, respectively, in the winter than summer monitoring periods across all locations, due to the stable boundary layer, lower mixing height, and lower friction velocity. It is indicated that urban meteorology plays a crucial role in increasing or decreasing exposed pollutant concentrations in various microenvironments. The analysis of PM
2.5
/PM
10
ratios was lower during whole campaign due to higher contribution of coarser particles generated by vehicles. During winter and summer seasons, 0.57 and 0.33 was observed, respectively. It is indicated that 57% and 33% of PM
10
makes up PM
2.5
particle, respectively. PM concentrations have showed a negative linear relationship with
T
and WS and positive relationship with RH in winter/summer seasons. Therefore, traffic and meteorology play a big role to increase or decrease in traffic-related air pollutants in urban air quality.</description><identifier>ISSN: 0090-4341</identifier><identifier>EISSN: 1432-0703</identifier><identifier>DOI: 10.1007/s00244-019-00616-x</identifier><identifier>PMID: 30879121</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Air pollution ; Air quality ; Air temperature ; Boundary layers ; Dependence ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Evening ; Meteorology ; Microenvironments ; Mixing height ; Monitoring/Environmental Analysis ; Morning ; Outdoor air quality ; Particulate emissions ; Particulate matter ; Pollutants ; Pollution ; Pollution control ; Relative humidity ; Roads ; Seasons ; Soil Science & Conservation ; Summer ; Traffic speed ; Urban areas ; Vehicle emissions ; Wind speed ; Winter</subject><ispartof>Archives of environmental contamination and toxicology, 2019-05, Vol.76 (4), p.572-590</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2019</rights><rights>Archives of Environmental Contamination and Toxicology is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-d5e26937589f4ef0dd7297f85b0c2e276ab239c1579bba71ee0ba800f9c8dd273</citedby><cites>FETCH-LOGICAL-c375t-d5e26937589f4ef0dd7297f85b0c2e276ab239c1579bba71ee0ba800f9c8dd273</cites><orcidid>0000-0003-4104-1776</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00244-019-00616-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00244-019-00616-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30879121$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gupta, Sunil Kumar</creatorcontrib><creatorcontrib>Elumalai, Suresh Pandian</creatorcontrib><title>Dependence of urban air pollutants on morning/evening peak hours and seasons</title><title>Archives of environmental contamination and toxicology</title><addtitle>Arch Environ Contam Toxicol</addtitle><addtitle>Arch Environ Contam Toxicol</addtitle><description>Traffic emission is a major source of air pollution in urban cities of developing world. This paper shows dependence of traffic-related air pollutants in urban cities on morning/evening peak hours and winter/summer seasons. This research also shows the meteorological impact, such as temperature (
T
), relative humidity (RH), and wind speed (WS), on traffic-related air pollutants in urban cites. Based on the research output, the elevated level of PM concentration was observed between 1.8 and 6.7 times at all nearby roadway locations compared with background (IIT [ISM] campus). We have found 2.3, 2.4, 2.6 (morning) and 2.0, 2.1, and 2.1 (evening) times higher average PM
10
, PM
2.5
, and PM
1
concentrations, respectively, in the winter than summer monitoring periods across all locations, due to the stable boundary layer, lower mixing height, and lower friction velocity. It is indicated that urban meteorology plays a crucial role in increasing or decreasing exposed pollutant concentrations in various microenvironments. The analysis of PM
2.5
/PM
10
ratios was lower during whole campaign due to higher contribution of coarser particles generated by vehicles. During winter and summer seasons, 0.57 and 0.33 was observed, respectively. It is indicated that 57% and 33% of PM
10
makes up PM
2.5
particle, respectively. PM concentrations have showed a negative linear relationship with
T
and WS and positive relationship with RH in winter/summer seasons. Therefore, traffic and meteorology play a big role to increase or decrease in traffic-related air pollutants in urban air quality.</description><subject>Air pollution</subject><subject>Air quality</subject><subject>Air temperature</subject><subject>Boundary layers</subject><subject>Dependence</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Evening</subject><subject>Meteorology</subject><subject>Microenvironments</subject><subject>Mixing height</subject><subject>Monitoring/Environmental Analysis</subject><subject>Morning</subject><subject>Outdoor air quality</subject><subject>Particulate emissions</subject><subject>Particulate matter</subject><subject>Pollutants</subject><subject>Pollution</subject><subject>Pollution control</subject><subject>Relative humidity</subject><subject>Roads</subject><subject>Seasons</subject><subject>Soil Science & Conservation</subject><subject>Summer</subject><subject>Traffic speed</subject><subject>Urban areas</subject><subject>Vehicle emissions</subject><subject>Wind 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matter</topic><topic>Pollutants</topic><topic>Pollution</topic><topic>Pollution control</topic><topic>Relative humidity</topic><topic>Roads</topic><topic>Seasons</topic><topic>Soil Science & Conservation</topic><topic>Summer</topic><topic>Traffic speed</topic><topic>Urban areas</topic><topic>Vehicle emissions</topic><topic>Wind speed</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gupta, Sunil Kumar</creatorcontrib><creatorcontrib>Elumalai, Suresh Pandian</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>ABI/INFORM Collection</collection><collection>ABI/INFORM Global (PDF only)</collection><collection>Health & Medical 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and seasons</atitle><jtitle>Archives of environmental contamination and toxicology</jtitle><stitle>Arch Environ Contam Toxicol</stitle><addtitle>Arch Environ Contam Toxicol</addtitle><date>2019-05-01</date><risdate>2019</risdate><volume>76</volume><issue>4</issue><spage>572</spage><epage>590</epage><pages>572-590</pages><issn>0090-4341</issn><eissn>1432-0703</eissn><abstract>Traffic emission is a major source of air pollution in urban cities of developing world. This paper shows dependence of traffic-related air pollutants in urban cities on morning/evening peak hours and winter/summer seasons. This research also shows the meteorological impact, such as temperature (
T
), relative humidity (RH), and wind speed (WS), on traffic-related air pollutants in urban cites. Based on the research output, the elevated level of PM concentration was observed between 1.8 and 6.7 times at all nearby roadway locations compared with background (IIT [ISM] campus). We have found 2.3, 2.4, 2.6 (morning) and 2.0, 2.1, and 2.1 (evening) times higher average PM
10
, PM
2.5
, and PM
1
concentrations, respectively, in the winter than summer monitoring periods across all locations, due to the stable boundary layer, lower mixing height, and lower friction velocity. It is indicated that urban meteorology plays a crucial role in increasing or decreasing exposed pollutant concentrations in various microenvironments. The analysis of PM
2.5
/PM
10
ratios was lower during whole campaign due to higher contribution of coarser particles generated by vehicles. During winter and summer seasons, 0.57 and 0.33 was observed, respectively. It is indicated that 57% and 33% of PM
10
makes up PM
2.5
particle, respectively. PM concentrations have showed a negative linear relationship with
T
and WS and positive relationship with RH in winter/summer seasons. Therefore, traffic and meteorology play a big role to increase or decrease in traffic-related air pollutants in urban air quality.</abstract><cop>New York</cop><pub>Springer US</pub><pmid>30879121</pmid><doi>10.1007/s00244-019-00616-x</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0003-4104-1776</orcidid></addata></record> |
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| ispartof | Archives of environmental contamination and toxicology, 2019-05, Vol.76 (4), p.572-590 |
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| language | eng |
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| source | Springer Online Journals Complete |
| subjects | Air pollution Air quality Air temperature Boundary layers Dependence Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Evening Meteorology Microenvironments Mixing height Monitoring/Environmental Analysis Morning Outdoor air quality Particulate emissions Particulate matter Pollutants Pollution Pollution control Relative humidity Roads Seasons Soil Science & Conservation Summer Traffic speed Urban areas Vehicle emissions Wind speed Winter |
| title | Dependence of urban air pollutants on morning/evening peak hours and seasons |
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