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Proceedings of the International Association of Hydrological Sciences An open-access publication for refereed proceedings in hydrology

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Proc. IAHS, 364, 94-99, 2014
http://www.proc-iahs.net/364/94/2014/
doi:10.5194/piahs-364-94-2014
© Author(s) 2014. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
16 Sep 2014
Hydrodynamic characterization of soils within a representative watershed in northeast Brazil
E. G. Sales, C. D. N. Almeida, A. S. Farias, and V. H. R. Coelho Federal University of Paraíba, Av. Cap. João Freire, 620, CEP: 58.041-060 – João Pessoa, PB, Brazil
Keywords: Infiltration, Atlantic Forest, Beerkan method, Brazil Abstract. Studies about the infiltration of water in the soil, based on hydraulic conductivity and retention curve, are important to simulate hydrological processes and pollution fluxes. This paper aims to present the hydrodynamic soil behaviour of the Gramame watershed, located in northeast Brazil. This basin is representative of several other watersheds located on the coastal region of northeast Brazil, where sugarcane crops constitute the main land use. For this study, three different land uses and land covers were considered: sugarcane crops, pineapple crops and Atlantic Forest, which is the native forest of this region. The Beerkan method and the BEST program were used in order to get retention and hydraulic conductivity curves. The results show that the highest values of hydraulic conductivity were obtained at points located in native vegetation and deforestation impacts the soil hydrodynamic characteristics.

Citation: Sales, E. G., Almeida, C. D. N., Farias, A. S., and Coelho, V. H. R.: Hydrodynamic characterization of soils within a representative watershed in northeast Brazil, Proc. IAHS, 364, 94-99, doi:10.5194/piahs-364-94-2014, 2014.
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