สืบค้นงานวิจัย
Relationship between PM10 and PM2.5 levels in high-traffic area determined using path analysis and linear regression
Sahanavin N. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Relationship between PM10 and PM2.5 levels in high-traffic area determined using path analysis and linear regression
ผู้แต่ง / หัวหน้าโครงการ (EN): Sahanavin N.
บทคัดย่อ (EN): The objective of this study was to determine the relationship between PM10 and PM2.5 levels as related to meteorological conditions and traffic flow using both a linear regression analysis and a path analysis. The Particulate matter (PM) samples were collected from Sukhumvit road, Bangkok, Thailand, at both open (104 samples) and covered (92 samples) areas along the road. Fifteen percent of all samples were separated before the statistical models were run and used for model validation. The results from the path analysis were more elaborate than those from the linear regression, thus indicating that meteorological conditions had a direct effect on the particulate levels and that the effects of traffic flow were more variable in open areas. The model also indicated that meteorological conditions had an indirect effect and that traffic flow had a direct effect on particulate levels in covered areas. The model validation results indicated that for open areas, the R2 values were not very different between the path analysis and the linear regression model, but that the path analysis was more accurate than the linear regression model at very low PM concentrations. At high PM concentrations, the path analysis model also had a better fit than did the linear regression, so the predictions from the path analysis model were more accurate than those from the linear regression. © 2017
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019361805&doi=10.1016%2fj.jes.2017.01.017&partnerID=40&md5=b207e7767f01b29766aa1ef7f1468a77
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Regression Analysis
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Sahanavin N.. "Relationship between PM10 and PM2.5 levels in high-traffic area determined using path analysis and linear regression". ไม่ระบุหน่วยงาน. ม.ป.ป.

Sahanavin N.. "Relationship between PM10 and PM2.5 levels in high-traffic area determined using path analysis and linear regression". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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Relationship between PM10 and PM2.5 levels in high-traffic area determined using path analysis and linear regression
Sahanavin N.
มหาวิทยาลัยมหิดล
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