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Environmental and socio-economic determinants, their impacts on trace metals and pharmaceuticals in watercourses: a comparison on two watersheds of France and Ukraine

Abstract : The PhD study focuses on the understanding of processes of the impact of environmental and socio-economic determinants on the occurrence, accumulation and distribution of trace metals and pharmaceuticals in urban watercourses. The research has been based on the analysis of the origin; physico-chemical properties and behavior of trace pollutants. The study was performed in two general steps: (i) monitoring of trace metals and pharmaceuticals in natural waters; (ii) description and analysis of environmental and socio-economic determinants that influence the water chemistry and (iii) evaluation of trace pollutants as environmental and socio-economic indicators. The monitoring of trace metals in natural water was proceed using the combination of passive and grab water sampling techniques, in order to evaluate various forms of elements, sources, seasonal and spatial variations, accumulation and environmental risks associated with the presence of contaminats in study areas. The monitoring of pharmaceuticals was done using passive sensors to determine their capacity to register chemicals variation by the time and purpose to use environmental data for the regional medicament consumption modeling. Monitoring data were also investigated in term of potential applications of trace metals and pharmaceuticals as environmental and socio-economic indicators. Two study sites were chosen: (1) the Kharkiv region in Ukraine where research was focused on the Lopan and Udy rivers of the Seversky Donets water basin and (2) the Bordeaux region in France where water monitoring was done in the Jalle River, Garonne water basin. Sites were mainly selected to represent the water pollution status in different socio-economic regions. General PhD results can be described as follows: 1. The methodology for pilot and continuous monitoring of trace elements in the water with combination of traditional (grab) and innovative (passive) sampling procedures help to get data on trace elements presence, accumulation and sources, considering time-varying one. 2. The analysis of trace metals and pharmaceuticals in two river basins of France and Ukraine and determination of environmental factors that impact on occurrence, accumulation and distribution of these chemicals. 3. The establishment of links between regional socio-economic issues and water quality data. The socio-economic and environmental modeling helps us to understand the water pollution process in regional context and give the opportunity to propose contaminants as tracer of anthropogenic activities and water quality assessment. Results of the PhD study are presented in the form of published or submitted peer-reviewed articles.
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https://tel.archives-ouvertes.fr/tel-00716793
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Submitted on : Wednesday, July 11, 2012 - 12:49:26 PM
Last modification on : Monday, October 19, 2020 - 11:07:15 AM
Long-term archiving on: : Friday, October 12, 2012 - 2:35:37 AM

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  • HAL Id : tel-00716793, version 1

Citation

Yuliya Vystavna. Environmental and socio-economic determinants, their impacts on trace metals and pharmaceuticals in watercourses: a comparison on two watersheds of France and Ukraine. Hydrology. Université Sciences et Technologies - Bordeaux I, 2012. English. ⟨tel-00716793⟩

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