Study of sediments in current drains entered in rural and urban area in Formosa-GO municipality
DOI:
https://doi.org/10.18316/1981-8858.13Keywords:
Elements Largest and Traces, Sediments, Water Resources.Abstract
The stream sediments analysis involves the study of the distribution, migration and chemical reactions of the elements on water resources. These analyzes generate information about changes of natural and anthropicorder and can be attached to physical-chemical analysis of water quality. This study aimed to the study of stream sediments and observation of the results between Bandeirinha streams located in a rural area and the stream Josefa Gomes, inserted in the urban core of the city of Formosa GO. Were determined 12 sampling points in sediments, applying the following methods: grain size fractions, measurement of volatile solids, determination of major and trace elements and analysis by diffraction of X-rays to determine the mineral composition. All procedures were performed in Geochemistry Laboratory at UNB in ??the X-ray Laboratory of Geosciences Institute at UNB in ??the Geotechnical Laboratory of the Federal Institute of Goiás - IFG, and Campo Laboratory Ltd, on receipt of the samples. It was found the influence of geology in the evaluation of geochemical conditions of stream sediments in the stream Bandeirinha and the evident anthropogenic influence the urban core in stream sediments Josefa Gomes. The results can be linked to physical-chemical analysis and evaluation by bioindicators of water quality, and help identify the changes derived from human activities or natural origin in rural and urban environment, and the consequences in the medium and long term, and contribute to the generation of data and geochemical characterization of the region.
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