Characterization of the river styles of the Talhada River
Watershed - Alagoas semiarid: contributions to
hydroenvironmental management
Geoprocessing, River Styles, Semi-arid River.
The definition of watersheds as a spatial unit of management and
planning has been fundamental for the studies of landscapes,
especially in approaches aiming understanding its physiographic
and morphological aspects, such studies also help the analyses
related to hydro-environmental dynamics. In this context the
present work used the theoretical-methodological approach of
fluvial styles developed by Fryirs and Brierley (2000). The main
objective of this research was to characterize and classify the
contemporary fluvial dynamics of the Riacho Talhada basin. The
geomorphological mapping of the study area, the fluvial
compartmentalization, the profile of the main channel correlating
with its geology and valley configuration and finally the
classification of fluvial styles and mapping of land use at a detailed
scale from drone images and field data were carried out.
Therefore, 5 representative fluvial styles were mapped; from the
applied methodology, data were obtained about the
hydrosedimentological functioning of the Riacho Talhada basin and
the morphology of its rivers that can be used to interpret the
physical conditions of watersheds located in the northeast of Brazil,
assisting in the creation of a data network for understand fluvial
dynamics in this context, so that the results can assist the
management of water resources and hydrological planning.