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Diagnóstico preliminar da qualidade hídrica do ribeirão da Mata e o impacto da contribuição de suas águas sobre o rio das Velhas

Authors: Macedo, Diego R.; Medeiros, Isaac H.; Soares, Flávia C. L.; Nogueira, Maíra L.; Magalhães Jr, Antônio P.;

Diagnóstico preliminar da qualidade hídrica do ribeirão da Mata e o impacto da contribuição de suas águas sobre o rio das Velhas

Abstract

Este trabalho analisou a interferência das águas do Ribeirão da Mata sobre o Rio das Velhas através de sete parâmetros de qualidade hídrica. Foram selecionados os parâmetros pH, fósforo total, nitrogênio total, oxigênio dissolvido (OD), turbidez, sólidos totais dissolvidos (STD) e condutividade elétrica e coletadas amostras de água em cinco pontos, sendo três no Ribeirão da Mata e dois no próprio Rio das Velhas. De acordo com os resultados obtidos, nota-se que a qualidade das águas do Ribeirão da Mata se deteriora de montante para jusante. Na análise realizada no Rio das Velhas, percebeu-se a melhoria da qualidade de alguns parâmetros após a confluência com o Ribeirão da Mata. Com relação ao enquadramento dos corpos d’água proposto pela FEAM em 1997, observa-se que os usos encontrados estão de acordo com os objetivos traçados há quase 10 anos. Entretanto, neste período a qualidade compatível para sua referida classe ainda não foi alcançada.

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Keywords

Enquadramento de cursos d'água, qualidade hídrica, monitoramento de recursos hídricos.

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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