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Trace-metal contamination in the glacierized Rio Santa watershed, Peru

dc.contributor.authorGuittard, Alexandre
dc.contributor.authorBaraer, Michel
dc.contributor.authorMcKenzie, Jeffrey M.
dc.contributor.authorMark, Bryan G.
dc.contributor.authorWigmore, Oliver
dc.contributor.authorFernández, Alfonso
dc.contributor.authorCochachin Rapre, Alejo
dc.contributor.authorWalsh, Elizabeth
dc.contributor.authorBury, Jeffrey
dc.contributor.authorCarey, Mark
dc.contributor.authorFrench, Adam
dc.contributor.authorYoung, Kenneth R.
dc.date.accessioned2018-12-20T15:28:33Z
dc.date.available2018-12-20T15:28:33Z
dc.date.issued2017-12
dc.identifier.citationGuittard, A., Baraer, M., McKenzie, J.M. et al. (2017) Trace-metal contamination in the glacierized Rio Santa watershed, Peru. Environmental Monitoring and Assessment, 189, 649. doi: https://doi.org/10.1007/s10661-017-6353-0es_PE
dc.identifier.issnISSN: 0167-6369, ESSN: 1573-2959es_PE
dc.identifier.urihttps://hdl.handle.net/20.500.12543/3161
dc.descriptionFiliación institucional de autor: Alejo Cochachín Rapre / Autoridad Nacional del Agua - Unidad de Glaciología y Recursos Hídricos (ANA-UGRH), Huaraz, Perues_PE
dc.descriptionOriginal abstract: The objective of this research is to characterize the variability of trace metals in the Rio Santa watershed based on synoptic sampling applied at a large scale. To that end, we propose a combination of methods based on the collection of water, suspended sediments, and riverbed sediments at different points of the watershed within a very limited period. Forty points within the Rio Santa watershed were sampled between June 21 and July 8, 2013. Forty water samples, 36 suspended sediments, and 34 riverbed sediments were analyzed for seven trace metals. The results, which were normalized using the USEPA guideline for water and sediments, show that the Rio Santa water exhibits Mn concentrations higher than the guideline at more than 50% of the sampling points. As is the second highest contaminating element in the water, with approximately 10% of the samples containing concentrations above the guideline. Sediments collected in the Rio Santa riverbed were heavily contaminated by at least four of the tested elements at nearly 85% of the sample points, with As presenting the highest normalized concentration, at more than ten times the guideline. As, Cd, Fe, Pb, and Zn present similar concentration trends in the sediment all along the Rio Santa. The findings indicate that care should be taken in using the Rio Santa water and sediments for purposes that could affect the health of humans or the ecosystem. The situation is worse in some tributaries in the southern part of the watershed that host both active and abandoned mines and ore-processing plants.es_PE
dc.descriptionArtículo en período de embargoes_PE
dc.description.abstractDetermina la variabilidad de los rastros de metales en la cuenca hidrográfica de Río Santa en base al muestreo sinóptico aplicado a gran escala. Para ello, propone una combinación de métodos basados en la recolección de agua, sedimentos suspendidos y sedimentos del lecho del río en diferentes puntos de la cuenca en un período muy limitado.es_PE
dc.formatapplication/pdfes_PE
dc.language.isoenges_PE
dc.publisherSpringer Berlin Heidelberges_PE
dc.relation.ispartofseriesEnvironmental Monitoring and Assessment, December 2017, 189, Article 679es_PE
dc.relation.urihttps://link.springer.com/article/10.1007%2Fs10661-017-6353-0
dc.rightsinfo:eu-repo/semantics/closedAccesses_PE
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.sourceAutoridad Nacional del Aguaes_PE
dc.sourceRepositorio institucional - ANAes_PE
dc.subjectComportamiento de eventos extremos de origen glaciar y climáticoes_PE
dc.subjectGestión de riesgos de desastres en recursos hídricoses_PE
dc.subjectMonitoreo de lagunas y glaciareses_PE
dc.titleTrace-metal contamination in the glacierized Rio Santa watershed, Perues_PE
dc.typeinfo:eu-repo/semantics/articlees_PE
dc.identifier.doihttps://doi.org/10.1007/s10661-017-6353-0es_PE
dc.coverage.basinCuenca Santa


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