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Diffuse subsurface zinc loads from mining areas in the Dalälven River Basin, Sweden
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering.
2009 (English)In: Hydrology Research, ISSN 1998-9563, Vol. 40, no 5, 445-453 p.Article in journal (Refereed) Published
Abstract [en]

The zinc load from the Dalalven River to the Baltic Sea is greater than for any other watercourse in Sweden. This paper investigates zinc mass flows into and through the Dalalven River from major mining areas within its drainage basin. Reported zinc mass flow data for this river are re-analyzed using an input-output flow analysis approach. Results show major inconsistencies in previous data interpretations which totally neglected possible zinc mass load contributions from the groundwater system to the river. This paper quantifies significant subsurface zinc load contributions that are consistent with all independently available data. Furthermore, a possible explanation for why these subsurface contributions may have been missed in previous studies and by the prevailing Swedish environmental monitoring system is provided. The study indicates that the input-output flow analysis approach may be generally useful for identifying and quantifying diffuse, unmonitored and uncertain pollutant load contributions from ground- to surface water systems.

Place, publisher, year, edition, pages
2009. Vol. 40, no 5, 445-453 p.
Keyword [en]
groundwater monitoring, input-output analysis, subsurface contribution, water pollution, zinc loads
National Category
Water Engineering
URN: urn:nbn:se:kth:diva-32316DOI: 10.2166/nh.2009.013ISI: 000269454100002OAI: diva2:410096
QC 20110412Available from: 2011-04-12 Created: 2011-04-12 Last updated: 2011-04-12Bibliographically approved

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Baresel, ChristianDestouni, Georgia
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