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Title

Assessment of Trace Metals during Episodic Events using DGT Passive Sampler: A Proposal for Water Management Enhancement

Authors
Villanueva, J. D.
Le Coustumer, P.
Huneau, F.
Motelica-Heino, M.
Perez, T.R.
Materum, R.
Espaldon, M.V.O.
Published in Water Resources Management. 2013, vol. 27, no. 12, p. 4163-4181
Abstract The potential of the Diffusive Gradient Thin-Films (DGT) as a supplemental method for water quality monitoring was employed has been tested through 3 sampling campaigns to measure the trace metals (Cd, Co, Cr, Cu, Pb, Ni and Zn) present in the surface water of a highly urbanized river. Specifically, the study done in the Pasig River(Philippines) seeks to: assess the applicability of DGT passive sampler in an urban context exhibiting highly contrasted hydrological conditions (greatly influenced by episodic events)and sediment disturbance (dredging) and provide proposal for a better water management.The results indicate that: (1) DGT is highly recommended as part of a routine analysis for water quality monitoring; (2) DGTare able to capture the fluxes even in very contrasted flow regimes; (3) DGT are suitable to trace the labile fluxes of metals from the lake to the estuary;and (4) at the confluence of the Marikina River water management should be intensified. Moreover, recommendations were made for developing pertinent water monitoring protocol and management scheme.
Keywords Trace metalsDGTIn-situ passive samplingSurface waterPasig RiverPhilippines
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Article (Author postprint) (753 Kb) - document accessible for UNIGE members only Limited access to UNIGE
Other version: http://link.springer.com/10.1007/s11269-013-0401-5
Structures
Research groups Environmental Physical Chemistry
ISE Pôle Sciences
ISE Eau
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VILLANUEVA, J. D. et al. Assessment of Trace Metals during Episodic Events using DGT Passive Sampler: A Proposal for Water Management Enhancement. In: Water Resources Management, 2013, vol. 27, n° 12, p. 4163-4181. https://archive-ouverte.unige.ch/unige:32701

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Deposited on : 2013-12-23

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