Seasonal input of regulated and emerging organic pollutants through surface watercourses to a Mediterranean coastal lagoon

Seasonal input of organic pollutants through El Albujon Watercourse to the Mar Menor lagoon was estimated from Spring 2009 to Winter 2010, including regular periods and two flash flood events. 82 semivolatile organic pollutants (persistent organic pollutants, different groups of pesticides and others) were determined by stir bar sorptive extraction and thermal desorption followed by capillary gas chromatography coupled to mass spectrometry from surface waters with quantification limits of a few ng L-1. Pesticide concentrations varied significantly along the watercourse due to the presence of different sources (groundwaters, wastewater effluent, tributary contributions, brackish waters, etc.) and physicochemical/biological processes that take place simultaneously. The most commonly detected analytes were propyzamide, triazine compounds and chlorpyrifos. A clear seasonal pattern has been detected, with a predominance of insecticides during Summer and of herbicides during Winter. The input of pesticides through this watercourse is particularly relevant during periods of heavy rain, representing more than 70% of total yearly input for many of them. (C) 2013 Elsevier Ltd. All rights reserved.

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Moreno-Gonzalez R. Campillo J. A. Garcia V. y Leon V. M. Seasonal input of regulated and emerging organic pollutants through surface watercourses to a Mediterranean coastal lagoon. Elsevier B.V., 2013. https://doi.org/10.1016/j.chemosphere.2012.12.022

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Resource type Article
Date of creation 2024-11-05
Date of last revision 2025-01-21
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Metadata identifier 3c744fdc-fe7a-5600-bf3d-1663578162a5
Metadata language Spanish
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High-value dataset category Earth observation and environment
ISO 19115 topic category biota
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Name of the dataset creator Moreno-Gonzalez, R., Campillo, J. A., Garcia, V. y Leon, V. M.
Name of the dataset editor Elsevier B.V.
Other identifier DOI: 10.1016/j.chemosphere.2012.12.022
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Email of the dataset creator victor.leon@mu.ieo.es
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