River styles of the high course of the Piranhas river, environment semiárid (PB)
DOI:
https://doi.org/10.51359/2238-6211.2021.247450Keywords:
Semiarid, Hydrographic Basin, River Styles.Abstract
The Brazilian semiarid region has a water deficit during most of the year due to the evaporation values exceeding those of precipitation. However, the dry land channels are the main sculptors of its surface and water suppliers for the population of the dry perimeter, even with flow in pulses, that is, sporadic. In this perspective, several studies emerge through adaptations to generate an understanding of the semi-arid fluvial reality of the Brazilian Northeast. However, understanding the semi-arid river system is beyond theoretical and methodological adaptations. In this way, it was decided to apply the structure of fluvial styles, which is an open classification and allows application in different types of climate, since it is based on a morphological perspective, allowing to provide understanding about the fluvial channels in the upper course basin Piranhas river - PB. Six river styles were identified and characterized based on criteria defined in step two of the structure of river styles, where together in their entirety they provided interpretation and understanding of semi-arid river dynamics in the Upper Course of the Piranhas River basin.
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