Water quality indicator through factor analysis: a case study in the port area of Belém, Amazonia, Brazil
DOI:
https://doi.org/10.6008/CBPC2179-6858.2021.003.0051Keywords:
Evaluation Indicators, Estuary, Guajará Bay, Quantitative MethodsAbstract
In the port zone of belém, located at Guajarino estuary, shelters ports of Belém, Miramar Petrochemical Terminal an Outeiro Port. In this regard, this study searched create indicators of water quality, through the factorial analysis that mirror the peculiarities and the dynamics of the port zone of Belém. Were made monthly samples of water along the years of 2014 and 2015, in the entire port zone, encompassing the three ones. The results were submitted to factorial analysis (FA) for the creation of Standardized Evaluation Indicator (SEI), that classified the water quality sampled in the lousy, bad, regular, good and excellent. The results showed that 46,03% and 42,85% of the samples from the port zone of Belém were classified as lousy and bad, respectively. The Miramar Terminal presents classification lousy for 46,98% of the samples, and the port zone of Belém concentrated 45,98% of these samples analyzed in the range of bad quality; at last, the Outeiro Port also showed a lousy quality for 52,58% of the samples. The AF made possible an integrated vision of the data, showing how the effects from the activities developed along the port zone of Belém have an influence in water quality.
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