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EVALUATION OF TOTAL SUSPENDED LOAD (CST) AND METALS IN THE BASIN OF PINHALZINHO II STREAM IN UMUARAMA ­ PR AVALIAÇÃO DA CARGA SUSPENSA TOTAL (CST) E DE METAIS NA BACIA DO CÓRREGO PINHALZINHO II NO MUNICÍPIO DE UMUARAMA – PR

Maria Estela Casle Dalla Villa

Geografia Ensino & Pesquisa · 2011

doi:10.5902/223649947365 (opens in a new tab)

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Abstract

To evaluate the anthropogenic influence on water quality in the basin of the Pinhalzinho II stream in the northwest Umuarama Paranaense, we sought in this work, to determine the total suspended load (CST) and the concentrations of metals: Cu, Mn, Fe, Ni, Cr, Pb, Cd, Se and Zn in the waters. For this purpose we selected four sampling points in the basin. Water samples were collected seasonally in order to analyze all the seasons, due to different weather conditions. Partial results show higher Fe and Mn, which lie above the values allowed by the CONAMA Resolution 357/2005. The total suspended load is mainly composed of organic matter. &#13; Key words: environment degradation, soil use, metals, total suspended load<br>Visando avaliar a influência antrópica na qualidade hídrica da bacia do córrego Pinhalzinho II, em Umuarama no noroeste Paranaense, buscou-se nesse trabalho, determinar a carga suspensa total (CST) e as concentrações dos metais: Cu, Mn, Fe, Ni, Cr, Pb, Cd, As, Se e Zn nas águas. Para isso foram selecionados quatro pontos de amostragem na bacia. As amostras de água foram coletadas sazonalmente com o intuito de analisar todas as estações do ano, em decorrência das diferentes condições de clima. Os resultados parciais evidenciam teores elevados de Fe e Mn, que se encontram acima dos valores permitidos pela resolução CONAMA nº357/2005. A carga suspensa total é composta principalmente por matéria orgânica.&#13; &#13; Palavras-chave: Degradação ambiental, usos do solo, metais, carga suspensa total

Abstract licence: CC BY-NC-SA

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