2009
DOI: 10.1590/s0100-69162009000100006
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Abstract: RESUMO:A quantificação da evapotranspiração é uma tarefa essencial para o gerenciamento dos recursos hídricos em uma bacia hidrográfica, já que é variável importante no ciclo hidrológico. Entretanto, estimar a evapotranspiração real é uma tarefa difícil, e os pesquisadores usam, geralmente, mais de um método a fim de validar os resultados. Este trabalho apresenta um método para a determinação da evapotranspiração real com base na variação da precipitação, do escoamento de base e do nível de água subterrânea me… Show more

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Cited by 9 publications
(8 citation statements)
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“…RABELO & WENDLAND (2009) estimated the annual recharge of the Guarani Aquifer in 297.6mm for a rainfall of 1,371mm, through computer simulation. BARRETO et al (2009), using the method of variation of the groundwater level, estimated the average annual recharge of the Onça stream watershed aquifer, which also is part of the Guarani Aquifer, between 313 and 407mm, with an average rainfall of 1,410mm. Although the formation of the Guarani Aquifer is different from the aquifer studied, besides the difference between rainfalls of the areas, it is possible to observe the consistency among the order of magnitude of the values.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…RABELO & WENDLAND (2009) estimated the annual recharge of the Guarani Aquifer in 297.6mm for a rainfall of 1,371mm, through computer simulation. BARRETO et al (2009), using the method of variation of the groundwater level, estimated the average annual recharge of the Onça stream watershed aquifer, which also is part of the Guarani Aquifer, between 313 and 407mm, with an average rainfall of 1,410mm. Although the formation of the Guarani Aquifer is different from the aquifer studied, besides the difference between rainfalls of the areas, it is possible to observe the consistency among the order of magnitude of the values.…”
Section: Methodsmentioning
confidence: 99%
“…It is based on the premise that the increasing of water level is caused by the arrival of recharge to the saturated zone of the aquifer, i.e., whenever there are positive changes in the level it is possible to quantify a recharge (BARRETO et al, 2009). SILVA et al (2012 used data from the monitoring of the aquifer and specific yield of the aquifer to determine the direct recharge in four recharge areas of aquifers in the Alto Rio Grande region, in the state of Minas Gerais (MG), Brazil, and observed that the presence of forest in the recharge area can excel the slope of the relief, providing more direct recharge.…”
Section: Introductionmentioning
confidence: 99%
“…A vazão varia de 20 a 150 L h -1 , e de forma relevante apresentam um mecanismo de compensação de vazão. A forma de molhamento confere a este emissor eficiência de aplicação próxima a 90-92% PALARETTI, 2009;BARRETO;WENDLAND;MARCUZZO, 2009).…”
Section: Introductionunclassified
“…BARRETO et al (2009) used empirical methods to estimate ETo of Ribeirão da Onça Basin, in the region of Brotas, State of São Paulo, Brazil, and found that the methods of Thornthwaite and Makkink underestimated evapotranspiration throughout the year of 2005 compared to the Penman-Monteith. ALENCAR et al (2011b) compared the Blaney-Criddle, Solar Radiation and Hargreaves-Samani methods for estimating ETo for Uberaba, State of Minas Gerais, Brazil, for the period of 1996 to 2005, and they found through AB that all methods tend to overestimate ETo, considering…”
mentioning
confidence: 99%