Kuzey Ege ve Marmara Denizleri Kıyısal Alan Yüzey Suyunda TPH Kirliliğinin Karşılaştırılması: Prens Adaları ve Gökçeada örnekleri

Bu çalışmada 2017 yılı boyunca Gökçeada çevresinden 15 ayrıistasyondan mevsimlik ve Prens Adaları’ ndan ise yerleşim veulaşımın olduğu 4 adadan birer noktadan olmak üzere aylık alınanyüzey suyu örneklerinde toplam petrol hidrokarbon (TPH) değerleribelirlenmiştir. Örnekler, diklorometan ile ekstraksiyondan sonraekstraktı temizleme düzeneğinden geçirilerek, spektroflourimetredeörneklerin absorbans ölçümleri yapılmış ve kalibrasyon eğrisikullanılarak da TPH konsantrasyonları hesaplanmıştır. TPHdüzeyleri Gökçeada’ da 0.24 µg L-1 - 8.94 µg L-1 aralığındayken, enyüksek değer adaya ulaşımın sıklaştığı yaz döneminde ve limanayakın olan Kaleköy istasyonunda tespit edilmiştir. Prens Adaları’ ndaise 0.8 µg L-1 - 8 µg L-1 aralığında bulunmuştur. En yüksek değer yineyaz döneminde ve adalar içerisinde en kalabalık olan ve ulaşımın ensık olduğu Büyükada istasyonunda ölçülmüştür. Bu bulgularla hembu iki bölgelerle ilgili veri sağlanmış, hem de verilerkarşılaştırılmıştır. Prens Adaları, konumu itibariyle yoğun kirleticifaaliyetlerin etkisi altında olduğundan yüksek değerlere sahip olsada, Gökçeada’ nın da son zamanlarda tercih edilmesiyle ulaşımınartması ve Türk Boğazlar Sistemi’ nin çıkışına yakın olmasınedeniyle, adanın zamana bağlı artan kirlilik potansiyeline sahipolduğu ortaya konmuştur.

Comparison of TPH Contamination in Coastal Surface of North Aegean and Marmara Seas: Prince Islands and Gökçeada

In this study, throughout 2017, TPH values were determined in surface water samples taken seasonally from 15 different stations around Gökçeada and monthly from the 4 resided islands (from one spot for each) of Princes' Islands. The water samples were extracted with dichloromethane and the extract was passed through the cleaning apparatus and absorbances were measured using the spectrophotometer. Concentrations were calculated using the standard curve. TPH levels ranged from 0.24 µg L-1 to 8.94 µg L-1 in Gökçeada. The highest TPH levels was determined at Kaleköy station located near to the port during the summer when the access to the island became more frequent. The values in the Prince Islands ranged between 0.8 µg L-1 and 8 µg L-1. The highest value was also found in the summer period at Büyükada station where the highest population and most frequent transportation occurred in the island. With these findings, provided data were compared in two regions. It was found that, although the Princes' Islands sustained high values as a result of intensive polluting activities, Gökçeada had a potential for high pollution due to its location (close to the exit of Turkish Straits System) and increasing preferability.

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