Verificação das condições das águas do reservatório Canoas II (UGRHI-17) utilizando de técnicas de sensoriamento remoto e geoprocessamento

• Autor(a) principal: Barros, Regis Rossetto Ferraz de [UNESP]
• Data de Publicação: 2013
• Tipo de documento: Trabalho de conclusão de curso
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://hdl.handle.net/11449/156220; http://www.athena.biblioteca.unesp.br/exlibris/bd/capelo/2018-01-18/000892641.pdf
• topic: Água - Qualidade; Sensoriamento remoto; Geoprocessamento

The conservation of hidric systems has relevant importance in many areas of knowledge, especially through the viewpoint of the environmental resources management. The fast rhythm of environmental degradation results in risks for the quality of natural resources, above all, the water, unleashing alterations that can cause eutrophication, dues to increase amount of nutrients, dissolved in water, provenient from pontual and non-pontual sources. The eutrophication allows developement and increasing populations of cyanobacteria, algae, aquatic plants, damaging the aquatic environment. In this context, this study analyzed Canoas II Reservoir, located at the Water Resources Management Unit Médio Paranapanema (UGRHI-17) in order to comprehend the dynamic of this reservoir since its filling up in 1999 and identify possible current occurrences of eutrophication. Satellite images and operations in geographic information systems (GIS) were used, verifying changes in water surface of the reservoir and indicate critical areas susceptible to the occurrence of eutrophication, it purposes understand the dynamics of the reservoir. The results are demonstrated that the left side of the reservoir along its length, presence of most critical areas for of sediment accumulation, alga proliferation and recoil of the water surface. Using of remote sensing and geoprocessing provided efficient results in this study