Estudo da qualidade e quantidade da água em microbacia, afluente do rio Paraíba do Sul - São Paulo, após ações de preservação ambiental
2012
Monitoring programs of water quality and quantity are necessary to provide subsidies to assess the conditions of the watersheds and for decision making regarding to the management of water resources. This study analyzed the quality and quantity of waters of the Macacos stream watershed, a tributary of the Paraiba do Sul river, in Sao Paulo State, by monitoring the parameters: temperature, pH, conductivity and dissolved oxygen at five sites in the watershed. The measurements of flow and height of water depth during dry and wet seasons of 2010 and 2011 allowed the construction of the "rating curve" in four points of water quality monitoring and to reconstruct the series of water flow in these seasons. The analysis results showed that there is indication of changes in water quality parameters due to the conservation practices adopted. The water temperature parameter was the most influenced by the seasonal variation in runoff. Several physical factors may have influenced the correlation of the other parameters with runoff, especially the different environmental recovery actions implemented in the study to achieve the sustainability of the water resources.
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