Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8854
Title: Mitigation of organophosphate pesticide pollution in agricultural watersheds
Authors: Şahin, Çağrı
Karpuzcu, M. Ekrem
Keywords: Wetlands
Agricultural pollution
Organophosphate pesticides
Biodegradation
Adsorption
Issue Date: 2020
Publisher: Elsevier
Abstract: Adsorption and biodegradation processes for four organophosphate pesticides (chiorpyrifos, diazinon, fenthion, dichlorvos) in wetlands and agricultural drains in Meric-Ergene Basin, Turkey have been investigated. K-oc (organic carbon normalized partition coefficient) values for all pesticides except diazinon were higher in more aromatic Pamuklu Drain sediments, indicating the possible influence of aromaticity on the extent of adsorption. The average half-lives of pesticides in Gala Lake sediments and Pamuklu agricultural drain sediments ranged from 2.25 to 69.31 days with chlorpyrifos exhibiting the slowest biotransformation rate and dichlorvos having the fastest biotransforrnation rate. The presence of humic substances and hydroperiod of wetlands have been identified as possible factors that affected the behavior of organophosphate pesticides in this study. The results from this study provide insight into the constructed wetland design offered for the mitigation of organophosphate pesticides in the basin. (C) 2019 Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.scitotenv.2019.136261
https://hdl.handle.net/11147/8854
ISSN: 0048-9697
1879-1026
Appears in Collections:Environmental Engineering / Çevre Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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