Identificação dos pontos de acúmulo de resíduos sólidos urbanos no entorno da bacia do Ribeirão Cambé no município de Londrina/PR

Abstract

As a consequence, the incorrect segregation of these causes them to be disposed of on the streets and can be transported to rivers and seas by means of rainwater, gen-erating accumulation points. Thus, the objective of this work was to determine the Relative Index of Propensity to Accumulation (IRPA), through geoprocessing tech-niques, identifying the accumulation points of urban solid waste (USW) in the Ribei-rão Cambé basin, in the municipality of Londrina / PR. For this, the main focus is the surroundings of Igapó I and Igapó II. To obtain the accumulation points, the slope, vertical curvature and horizontal curvature data were generated. And, from them, the average of the three layers was obtained, which is the definition of the IRPA. To iden-tify the accumulation points, the lowest values of the first quartile of the layers were considered, indicating low slope, concave vertical curvature and horizontal conver-gent curvature, characteristics of accumulation areas. The results were up to 7 de-grees for slope, for vertical curvature -0.0117 to -0.0046 degrees / meter and 0.0016 to 0.0080 degrees / meter for horizontal curvature. In this way, the 5 greatest accu-mulation points were determined. Points 1, 2 and 4 are gaining water sections and points 3 and 5, neighborhoods close to the site. It was noticed, through on-site visits and photographic records, that solid waste that arrives at Ribeirão and accumulates at the points may come from disposal at the facilities and transported through the drainage and rainwater network. It emphasizes the importance of identifying the ac-cumulation points, as well as measures to prevent this waste from reaching the Ribei-rão, which includes Environmental Education for the population.