Analysis and modeling of water quality as a contribution to the preliminary framework proposal for the Una River (Pernambuco/Brazil)

  • Simone Rosa da Silva Universidade de Pernambuco (UPE), Recife, PE, Brasil Departamento de Engenharia Civil.
  • Marcos Antonio Barbosa da Silva Junior Universidade Federal de Pernambuco (UFPE), Recife, PE, Brasil Departamento de Engenharia Civil.
  • Eduardo Elvino Sales de Lima Agência Estadual de Meio Ambiente (CPRH), Recife, PE, Brasil
DOI: https://doi.org/10.4136/ambi-agua.2251
Keywords: framework, Una river, water quality.

Abstract

The present paper presents a preliminary proposal for a framework for the Una River, located in the state of Pernambuco, divided into prevailing-use classes. This proposal integrates the results of an analysis of water quality parameters and a mathematical modeling performed along a section of the river. Data from six State Environmental Agency (CPRH) monitoring stations were used, which collected data for temperature, pH, DO, BOD, phosphorus, thermotolerant coliforms, turbidity, and color between 2002 and 2014. The mathematical model used was QUAL-UFMG and the parameters evaluated were DO and BOD. The results showed that the DO and BOD parameters were within the limits established by CONAMA Resolution No. 357/2005 for Class 2, but other parameters such as phosphorus presented nonconformities. Based on this, the proposed framework for the Una River covered Classes 1 and 2. It is hoped that such a proposal will serve as a reference for the basin committee in order to discuss and deliberate on the multiple uses preponderant along the river, aiming to approve and implement the framework.


Published
09/11/2018
Issue
Vol. 13 No. 6 (2018)
Section
Papers

Authors maintain the copyrights for their work. However, they grant rights of first publication to Ambiente e Agua - An Interdisciplinary Journal of Applied Science. In compensation, the journal can transfer the copyrights, allowing non-commercial use of the article including the right of sending the article to other data bases or publication media. The journal uses the CC BY 4.0 license"