Abundance and composition of polycyclic aromatic hydrocarbons in the surface sediments of twelve alpine lakes in the Central Taurus Mountains

Sevil Deniz Yakan*, İmran Eren Çelik, Korhan Özkan

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2 Atıf (Scopus)

Özet

The regions of Bolkar Mountains and Aladağlar accommodate a unique ecosystem in Turkey, due to being in a transitional climate between the continental and the Mediterranean and hosting alpine lakes which are considered as good indicators of regional and atmospheric pollution due to being far from direct human impact. On the other hand, these regions are surrounded by various power plants, and also subject to occasional human activities, where anthropogenic effects are expected to be. Sediment samples were collected from 12 lakes in Central Taurus Mountains, 6 lakes in Bolkar Mountains, and 6 lakes in Aladağlar. Fifteen PAHs, identified as priority pollutants by the US Environmental Protection Agency (EPA), as well as lake water chemical characteristics were determined. The distribution of analyzed PAHs was investigated, and PAH diagnostic ratios were calculated to identify their potential sources. It was a remarkable observation that only low-molecular-weight PAHs exist in the lakes of Aladağlar, whereas high-molecular-weight PAHs are also found in the lakes of Bolkar Mountains, likely reflecting more isolated characteristics of the Aladağlar region. As compatible with this observation, total PAHs (T-PAHs) were found lower in Aladağlar (0.00–105.78 ng/g w.w.) than in Bolkar Mountains (9.08–380.16 ng/g w.w.). Overall, T-PAHs of sampled lakes were found in a similar range when they are compared to the other high-altitude alpine lakes around the world, indicating no significant difference in terms of atmospheric pollution of the global average.

Orijinal dilİngilizce
Makale numarası974
DergiEnvironmental Monitoring and Assessment
Hacim195
Basın numarası8
DOI'lar
Yayın durumuYayınlandı - Ağu 2023

Bibliyografik not

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Finansman

This work has been undertaken in the framework of the MSc thesis of İmran Eren Çelik which is titled as “Determination of Anthropogenic Impacts in the Alpine Lakes of Bolkar Mountains by the Application of PAH Diagnosis Ratios” and defensed in July 2022. We are grateful to Prof. Dr. Sedat Serçe and Dr. Hakan Doğan and Yankı Tandırcıoğlu for their exceptional help in the expedition logistics and during the fieldwork. The fieldwork, laboratory analyses and Dr. Korhan Özkan were supported by TÜBİTAK (project no 120Y372) and TÜBA GEBİP program. The laboratory analyses and field equipment received support from METU IMS, DEKOSIM, and ITU GIDB Ecotoxicology Research and Education Laboratory. Valuable comments of the anonymous reviewers are appreciated. This work has been undertaken in the framework of the MSc thesis of İmran Eren Çelik which is titled as “Determination of Anthropogenic Impacts in the Alpine Lakes of Bolkar Mountains by the Application of PAH Diagnosis Ratios” and defensed in July 2022. We are grateful to Prof. Dr. Sedat Serçe and Dr. Hakan Doğan and Yankı Tandırcıoğlu for their exceptional help in the expedition logistics and during the fieldwork. The fieldwork, laboratory analyses and Dr. Korhan Özkan were supported by TÜBİTAK (project no 120Y372) and TÜBA GEBİP program. The laboratory analyses and field equipment received support from METU IMS, DEKOSIM, and ITU GIDB Ecotoxicology Research and Education Laboratory. Valuable comments of the anonymous reviewers are appreciated.

FinansörlerFinansör numarası
ITU GIDB Ecotoxicology Research and Education Laboratory
METU
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu120Y372

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