Climatic extremes associated to water quality on Guamá River, São Miguel do Guamá, Pará
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.006.0022Keywords:
Water quality, Climatic extremes, Physical chemical parameters, Precipitation, FlowAbstract
This paper intends to investigate the influence of climatic extremes, El Niño, on the seasonality of precipitation and flow related to the water quality parameters of the Guamá River in São Miguel do Guamá, Pará. For that, the chemical parameters used were: pH, Dissolved Oxygen, Electrical Conductivity, Dissolved Total Solids, Water Temperature and Turbidity. The water collection was done at three points characterized by the dumping of waste activities located on the banks of the river, PA (upstream) red ceramics industry, PB (center) effluent from domestic sewage and PC (downstream) logging activity, and through linear regression method were correlated with daily rainfall (mm) and river (m³ / s) data for two distinct periods, rainy and less rainy, between years 2015 and 2017. It is worth mentioning that there is an inverted pattern in the rainfall data for the El Niño region that occurred from 2015 to 2016. This situation generated few rainfall in the region, resulting in strong positive and negative correlations between the system variables at the three collection points, due to the increase in the concentration of from the activities in the waters of the river.
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