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Journals / Atmospheric Pollution Research / 2020 / Cilt: 11 - Sayı: 12

Correction and source apportionment of vehicle emission factors obtainedfrom Bolu Mountain Highway Tunnel, Turkey

Melike Büşra BAYRAMOĞLU KARŞI
Ercan BERBERLER
Tuğçe BERBERLER
Özge Metin ASLAN
Serpil Yenisoy KARAKAŞ
Duran KARAKAŞ
Pages
2133–2141
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

FA-MR results showed that 46, 60, 49,and 37% of Ba, Cu, Fe, and Mn, respectively were contributed by dust re-suspension.

📌 3 Key Takeaways

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Objective & Hypothesis:Total suspended particulate (TSP) samples were collected in the atmosphere of Bolu Mountain Highway Tunnellocated on the axis of Edirne-Istanbul-Ankara on the main artery of Turkey, by using PUF samplers between 24and June 29, 2018.
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Key Findings & Data:Thirty-five major and trace metals, 11 water-soluble anions and cations, and OC and ECconcentrations were determined at the entrance and the exit of the tunnel.
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Conclusion & Impact:FA-MR results showed that 46, 60, 49,and 37% of Ba, Cu, Fe, and Mn, respectively were contributed by dust re-suspension.
🔬Design:Research Article
📍Scope:2018 Verileri
⚙️Variables:Domain Parameters

Özet

Total suspended particulate (TSP) samples were collected in the atmosphere of Bolu Mountain Highway Tunnellocated on the axis of Edirne-Istanbul-Ankara on the main artery of Turkey, by using PUF samplers between 24and June 29, 2018. Thirty-five major and trace metals, 11 water-soluble anions and cations, and OC and ECconcentrations were determined at the entrance and the exit of the tunnel. Emission factor calculations werecarried out with and without correction of the data set against crustal contributions. The non-crustal net con-centration data set was used as an input for the factor analysis and factor analysis-multiple linear regression.Factor analysis identifiedfive sources, namely, (1) road dust re-suspension, (2) road cover material and tyrewear abrasion, (3) brake pad solid lubricants, (4) diesel combustion emission, and (5) gasoline- LPG combustionemission. Contributions of identified sources on the TSP concentrations and emission factors were quantified byusing the FA-MR technique and the results were discussed. Tin and Sb were identified and reported as the bestmarker for the brake-related non-exhaust emissions in the road tunnel. FA-MR results showed that 46, 60, 49,and 37% of Ba, Cu, Fe, and Mn, respectively were contributed by dust re-suspension. The main sources of EC(39%) and OC (49%) were observed to be gasoline-LPG emissions and 69% of sulfate and 62% of Pb in TSPfraction was contributed by diesel emission. Tin and Sb were mainly affected by the brake pad solid lubricantfactor and 64% of Sn and 53% of Sb were contributed by this factor.

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Cite This Article

KARŞI, M. B. B., BERBERLER, E., BERBERLER, T., ASLAN, Ö. M., KARAKAŞ, S. Y., KARAKAŞ, D. (2020). Correction and source apportionment of vehicle emission factors obtainedfrom Bolu Mountain Highway Tunnel, Turkey. Atmospheric Pollution Research, Cilt: 11 - Sayı: 12, 2133–2141. https://ajindex.com/articles/152583

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