Estimate of real evapotranspiration using geotechnologies in the semiarid region, Bahia, Brazil
DOI:
https://doi.org/10.6008/CBPC2179-6858.2021.006.0030Keywords:
SEBAL algorithm, Water resources, Energy balance, Evirionment, LANDSAT 8Abstract
Evapotranspiration is an important component of the hydrological cycle and its quantitative information is essential for the sustainable management of water resources. Therefore, the objective of this study was to estimate the daily Real Evapotranspiration (ETr) of the Jacaré River Basin (BHRJ), located in the micro-region of Irecê in the State of Bahia. The methodology of the study was based on the use of geoprocessing tools in conjunction with the SEBAL algorithm to estimate the components of the energy balance in the period from 01/30/2019 to 09/27/2019. Among the results obtained, it was found that the AE and ER values for January 30, 2019 were 4.76 mm day-1 and 48, 3%, respectively. In addition, the smallest errors found were for 09/27/2019 obtaining EA of 0.08 mm day-1 and ER of 3%. Finally, it is expected that the results achieved through this study will serve as a basis for the sustainable management of water resources in hydrographic basins, especially those inserted in the Northeast region of Brazil.
Downloads
Downloads
Published
Issue
Section
License
Copyright (c) 2021 Ibero-American Journal of Environmental Sciences
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The CBPC - Companhia Brasileira de Produção Científica (Brazil CNPJ: 11.221.422/0001-03) the material rights of the published works. The rights relate to the publication of the work anywhere in the world, including rights to renewals, expansions and dissemination of the contribution, as well as other subsidiary rights. All electronically published works may subsequently be published in printed collections under the coordination of this company and / or its partners. The authors preserve the copyright, but are not allowed to publish the contribution in another medium, printed or digital, in Portuguese or in translation.