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Spatiotemporal PAH levels in surface water of the Southeastern Black Sea; baseline study from the Giresun shores by Handan Aydın; Yalçın Tepe; Fikret Ustaoğlu is a Environmental Science article available to read on EtoBox.

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Samples of surface water were collected seasonally along the 121 km long Giresun coastline to comparatively evaluate the source, distribution, and ecological risk of 16 polycyclic aromatic hydrocarbons (PAHs). The total PAHs levels, varied between 47.42 and 576.69 ng L−1 with the mean of 161.5 ng L−1, were consistent with seawater studies worldwide. Diagnosis rates evinced that PAHs in seawater along the Giresun coastline are primarily sourced from biomass, coal and petroleum combustion and petroleum at lesser extent. The three-ring PAHs (40.2 %) was proportionally high, followed by 2-ring PAHs (26.5 %). The toxicity equivalent quotient (TEQ) and risk quotients (RQ) were employed to assess ecological risk posed by PAHs in Giresun coastal seawater. As a result, the ecological risk in all seasons was at moderate to high risk level, except for autumn, which shows low to moderate risk according to TEQ. RQ values of ∑PAHs displayed low to moderate ecological risk.

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Author

Handan Aydın; Yalçın Tepe; Fikret Ustaoğlu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)