Influence of hydrometeorological variations on the water quality of the low river Itajaí-Mirim, municipality of Itajaí (SC)

Authors

DOI:

https://doi.org/10.5902/2179460X55301

Keywords:

Itajaí-Mirim River, Water Quality, Hydrometeorologicals

Abstract

The Itajaí-Mirim River located in Santa Catarina, in the region of the low estuary of the Itajaí-Açu River, is the place where most of the water supplied for consumption is consumed by the Municipalities of Itajaí and Navegantes, the São Roque catchment station. This study aims to analyze the water quality in the Itajaí-Mirim river before and after the implantation of the dam in the Itajaí-Mirim river, based on a monitoring of physical-chemical parameters. The collections described in this report were carried out at six sample points, from January to December 2007, with the purpose of physically and chemically characterizing the environment in the rectified channel and, also, in the original bed of Itajaí-Mirim. The parameters measured in situ serve to assess the general state of water quality at the time of sampling. The main parameters measured, four of them deserve special attention (pH, Turbidity, Dissolved Oxygen and Salinity) and the correlated environmental parameters were flow rate and precipitation. In general, depending on the main results obtained, the analyzed waters can be classified in Class 2 of fresh waters, according to the limit values of CONAMA Resolution No. 357/05, and for the sampled period, precipitation and flow influenced the water quality.

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Author Biographies

Evandro Oscar Mafra, Instituto Federal de Santa Catarina, Florianópolis, SC

Possui curso técnico em recurso pesqueiro no IFSC - Itajaí, graduação em Ciências biológicas com ênfase em Biotecnologia pela Universidade do Vale do Itajaí e mestrado profissional em andamento em Clima e Ambiente pelo IFSC e Graduação em andamento em Curso de Licenciatura em Formação Pedagógica em Ciências Biológicas Centro Universitário Leonardo da Vinci, UNIASSELVI. Atua como Técnico responsável da Empresa ALGATECH AQUICULTURA E PESCA, desenvolvendo trabalhos na área: Oceanografia Biológica; Estatística Pesqueira; Zoologia de vertebrados e invertebrados aquáticos; Taxonomia e Sistemática de Peixes Neotropicais Marinhos e de Água doce; Ecologia de Sistemas Aquáticos; Tecnologia de Pesca e Aquicultura de organismos marinhos e de água doce.

Eduardo Werneck, Instituto Federal Catarinense, Blumenau, SC

Atualmente é professor do Instituto Federal Catarinense (IFC). Possui graduação em Geografia pela Universidade Estadual Paulista Júlio de Mesquita Filho (1999), mestrado em Geografia pela Universidade Estadual Paulista Júlio de Mesquita Filho (2004) e doutorado em Geografia pela Universidade Federal do Paraná (2011).

Viviane Tranker, Instituto Federal de Santa Catarina, Florianópolis, SC

Mestranda em Clima e Ambiente pelo Instituto Federal de Santa Catarina- IFSC, campus Florianópolis/Itajaí. Com o tema de dissertação: O fitoplâncton no Entorno da Reserva Biológica Marinha do Arvoredo. Atua como consultora ambiental, através da elaboração de relatórios, contagem e identificação do fitoplâncton marinho. Graduada em Tecnologia da Aquicultura pela Universidade Federal do Paraná – UFPR (2014). Atuou como Técnica em Microscopia do Fitoplâncton, no Laboratório de Resíduos e Contaminantes em Recursos Pesqueiros - LAQUA/Itajaí. Proficiente em exercícios de inter-calibração para contagem e identificação do fitoplâncton (2015) pela Comissão Oceanográfica Intergovernamental - COI-UNESCO.

Aline Pereira Gomes, Instituto Federal de Santa Catarina, Florianópolis, SC

Possui curso técnico em agropecuária pelo IFC - Camboriú, graduação em Engenharia Ambiental pela Universidade do Vale do Itajaí e mestrado profissional em andamento em Clima e Ambiente pelo IFSC. É funcionária pública concursada no Instituto do Meio Ambiente de Santa Catarina (IMA) desde 2014, no cargo de Engenheira Ambiental, atuando principalmente nas áreas de licenciamento e fiscalização ambiental.

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Published

2020-09-25

How to Cite

Mafra, E. O., Werneck, E., Tranker, V., & Gomes, A. P. (2020). Influence of hydrometeorological variations on the water quality of the low river Itajaí-Mirim, municipality of Itajaí (SC). Ciência E Natura, 42, e2. https://doi.org/10.5902/2179460X55301

Issue

Vol. 42 (2020): Special : II ENCONTRO DE METEOROLOGIA DO ESTADO DE SC

Section

Agricultural, Fishing, Agropecuary Productivity

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