A GIS – based method for assessment and mapping of noise pollution in Ota metropolis, Nigeria

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dc.contributor.authorOyedepo SO
dc.contributor.authorAdeyemi GA
dc.contributor.authorOlawole OC
dc.contributor.authorOhijeagbon OI
dc.contributor.authorFagbemi OK
dc.contributor.authorSolomon R
dc.contributor.authorOngbali SO
dc.contributor.authorBabalola OP
dc.contributor.authorDirisu JO
dc.contributor.authorEfemwenkiekie UK
dc.contributor.authorAdekeye T
dc.contributor.authorNwaokocha CN
dc.date.accessioned2022-07-26T12:18:20Z
dc.date.available2022-07-26T12:18:20Z
dc.date.issued2019
dc.descriptionMethodsX
dc.description.abstractA detailed method used for assessing and mapping noise pollution levels in Ota metropolis, Nigeria using ArcGIS 10.5 Software is presented in this paper. Noise readings were measured at a time interval of 30 min for each site considered using a precision grade sound level meter. The noise map developed was based on the computed values of average equivalent noise (LAeq) for the selected locations. Results of this study show that the A weighted sound level (LAeq), the background noise level (L10) and the peak noise level (L90) vary with location and period of the day due to traffic characteristics especially traffic volume, vehicle horns, vehicle mounted speakers, and unmuffled vehicles at road Junctions, major roads, motor parks and commercial centres. Based on the U.S. Department of Housing and Urban Development (HUD) recommendations and standards, only one (1) out of the 41 locations considered is under normally acceptable situation, while 12 locations are under normally unacceptable and the noise levels of the rest locations are clearly unacceptable. Results of this study are useful as reference and guideline for future planning and regulations on noise limit to be implemented for urban areas like Ota Metropolis. •Instrumentation used in this study for the environmental noise measurements consisted of a precision-grade sound-level meter – Model 8922 RS232.•The Geographical Positioning System (GPS) device (model: Magellan eXplorist 310) was used to obtain the exact coordinates of each location where noise level readings were recorded.•ArcGIS 10.5 software was used in this study to develop noise map for Ota Metropolis.
dc.identifier.citation10.1016/j.mex.2019.02.027
dc.identifier.issn2215-0161
dc.identifier.urihttps://nerd.ethesis.ng/handle/123456789/304
dc.language.isoen
dc.subjectA GIS – based method for developing noise map
dc.subjectNoise descriptors
dc.subjectNoise pollution level
dc.subjectNoise map
dc.subjectGPS
dc.subjectBackground noise
dc.subjectPeak noise
dc.titleA GIS – based method for assessment and mapping of noise pollution in Ota metropolis, Nigeria
dc.typeArticle
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