Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/6901
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dc.contributor.authorSharma, Anshumala-
dc.contributor.authorMassey, David D-
dc.contributor.authorTaneja, Ajay-
dc.date.accessioned2009-12-18T07:19:07Z-
dc.date.available2009-12-18T07:19:07Z-
dc.date.issued2009-12-
dc.identifier.issn0975-105X (Online); 0367-8393 (Print)-
dc.identifier.urihttp://hdl.handle.net/123456789/6901-
dc.description338-346en_US
dc.description.abstractIn the present study, horizontal gradients of airborne particles and gases were observed perpendicular to the national highway (NH-2) in Agra, India. A negative association was found between distance (from the highway) and ambient concentrations of pollutants. Gradients suggest that the major impact of traffic flow on the pollutants concentration lies within 250 m distance. Over the total measured distance (0-500 m), the maximum percent decrease in concentrations was  observed for total suspended particulate matter (TSPM), particulate matter with aerodynamic diameter less than 10 mm (PM10), sulphur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3) and carbon monoxide (CO) within 0-250 m distance range. However, no significant decrease in concentrations of carbon dioxide (CO2) was obtained. Correlations between all of the pollutants considered in this study are positive with many of them being highly correlated and significant, which shows that their sources are almost similar. On comparing the pollutants concentrations with available standards of Central Pollution Control Board (CPCB), SO2, CO, NO2 and O3 concentrations were found within the permissible limits, whereas PM10 concentration was found higher. This study generates data which can be useful for Asian city planners for planning residential colonies so as to cause minimum exposure to the residents. en_US
dc.language.isoen_USen_US
dc.publisherCSIRen_US
dc.relation.ispartof92.60.Szen_US
dc.sourceIJRSP Vol.38(6) [December 2009]en_US
dc.subjectHorizontal gradienten_US
dc.subjectAir pollutantsen_US
dc.subjectPollutant concentrationen_US
dc.subjectTraffic exhaust pollutantsen_US
dc.titleHorizontal gradients of traffic related air pollutants near a major highway in Agra, Indiaen_US
dc.typeArticleen_US
Appears in Collections:IJRSP Vol.38(6) [December 2009]

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