Avaliação do escoamento e interceptação da água das chuvas

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2015-01-01

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Coorientador

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The objectives of this study were to quantify the surface runoff in different soil covers; analyze the effect of the forest on water interception and on erosion control; discuss the factors affecting water dynamics in experimental plots. The study was conducted at the São Manuel farm, São Paulo State - FCA/UNESP, in soil plots as follows: with vegetative cover, grasses, without vegetative cover and impervious soil. Rainfall simulations were performed using four time periods. The types of soil covering and rainfall intensity affected surface runoff causing higher sedimentation, whereas interception by the canopies and lower sediment mobilization were found in soil with vegetation. The coefficient of surface runoff was low in the presence of vegetation, leading to higher infiltration and better flow regularity, whereas erosion and sediments increased in unprotected soils affecting hydrological dynamics in micro watersheds.

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Português

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IRRIGA, v. 1, n. 1, p. 1-13, 2015.

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