Seasonal variations of water quality in rivers of the düzce watershed (TURKEY)

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dc.contributor.authorAltun, Lokman
dc.contributor.authorYılmaz, Murat
dc.contributor.authorKaragül, Refik
dc.contributor.authorOkatan, Arslan
dc.date.accessioned2020-04-30T13:33:19Z
dc.date.available2020-04-30T13:33:19Z
dc.date.issued2009
dc.departmentDÜ, Orman Fakültesi, Orman Mühendisliği Bölümüen_US
dc.description.abstractThe Buyuk Melen, Kucuk Melen, Aksu, and Ugursuyu rivers pass through the important Düzce watershed in northwestern Turkey, and discharge into the Black Sea. The Düzce watershed is projected to provide drinking water for Istanbul until 2040. Surface water was sampled during each season from 2001-2006 at four sites (Buyuk Melen, Kucuk Melen, Aksu and Ugursuyu) and analyzed for temperature (T), pH, electrical conductivity (EC), biological oxygen demand (BOD), dissolved oxygen (DO), total dissolved solids (TDS), total alkalinity (TA), total hardness (TH), and organic matter (pV). Seasonal differences were statistically evaluated according to Turkish Standard (TS) 266, and the European Union (EU) and World Health Organization (WHO) standards. BOD, TA, TDS, TH, and EC of the Buyuk Melen river; BOD, DO, TA, TDS, TH, and EC of the Aksu river; and PV, TDS, TH, and EC of the Kucuk Melen river showed significant seasonal differences. Concerning these rivers, DO and T of Buyuk Melen; T of Aksu; DO and T of Kucuk Melen; as well as DO and T of Ugursuyu showed highly significant seasonal differences. Although some of the parameters indicated second-class water quality during some seasons, overall, the water quality of these 4 rivers met the TS 266, EU, and WHO criteria.en_US
dc.identifier.endpage559en_US
dc.identifier.issn1018-4619
dc.identifier.issue5en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage553en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12684/608
dc.identifier.volume18en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofFresenius Environmental Bulletinen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDrinking water; Düzce watershed; Istanbul; Seasonal change; Surface water qualityen_US
dc.titleSeasonal variations of water quality in rivers of the düzce watershed (TURKEY)en_US
dc.typeArticleen_US

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