Comparative Study of Methods for Estimating Evapotranspiration Reference in ParanaAba City, Brazil

1
Fernando Franca Da Cunha
Fernando Franca Da Cunha
2
Thiago Ramos Da Silva
Thiago Ramos Da Silva
3
Arthur Ribeiro Ximenes
Arthur Ribeiro Ximenes
4
Rafael Oliveira Batista
Rafael Oliveira Batista
1 Universidade Federal dos Vales do Jequitinhonha e Mucuri

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This study aimed to was evaluating the performance of 30 methods to estimate reference evapotranspiration (ET0) to the city of Paranaíba, Brazil. The meteorological data was removed from National Institute of Meteorology, on the period of six year (March 2008 to February 2014). The method taken as standard was Penman-Monteith-FAO56 and the comparison of results was by the coefficients of determination (r²), coefficients “a” and “b” of the linear regressions, estimate of standard-error, Willmott’s index of agreement (d), Pearson correlation coefficient (r), and reliable coefficient (c). The better methods to ET0 estimate was: Penman-Original, Stephens-Stewart, Priestley-Taylor, Hicks-Hess, Turc, Liquid-Radiation, Thornthwaite-Modified, Temperature-Radiation, Penman-FAO24, Abtew and Camargo. The Camargo method should be preferred when only air temperatures data have. The methods Blaney-Criddle-FAO24 and Hamon should receive calibration for be utilized on the estimate of ET0 in Paranaíba city.

12 Cites in Articles

References

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  4. A Camargo,P Sentelhas (1997). Avaliação do desempenho de diferentes métodos de estimativa da evapotranspiração potencial no estado de São Paulo.
  5. Edmilson Cavalcante Junior,Alexsandra Oliveira,Bruno Almeida,José Espínola Sobrinho (2011). Métodos de estimativa da evapotranspiração de referência para as condições do semi árido Nordestino.
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  10. Ada Moura,Suzana Montenegro,Antônio Antonino,José Azevedo,Bernardo Silva,Leidjane Oliveira (2013). Evapotranspiração de referência baseada em métodos empíricos em bacia experimental no estado de Pernambuco - Brasil.
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Fernando Franca Da Cunha. 2015. \u201cComparative Study of Methods for Estimating Evapotranspiration Reference in ParanaAba City, Brazil\u201d. Global Journal of Human-Social Science - B: Geography, Environmental Science & Disaster Management GJHSS-B Volume 15 (GJHSS Volume 15 Issue B1): .

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GJHSS Volume 15 Issue B1
Pg. 17- 25
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Crossref Journal DOI 10.17406/GJHSS

Print ISSN 0975-587X

e-ISSN 2249-460X

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March 3, 2015

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This study aimed to was evaluating the performance of 30 methods to estimate reference evapotranspiration (ET0) to the city of Paranaíba, Brazil. The meteorological data was removed from National Institute of Meteorology, on the period of six year (March 2008 to February 2014). The method taken as standard was Penman-Monteith-FAO56 and the comparison of results was by the coefficients of determination (r²), coefficients “a” and “b” of the linear regressions, estimate of standard-error, Willmott’s index of agreement (d), Pearson correlation coefficient (r), and reliable coefficient (c). The better methods to ET0 estimate was: Penman-Original, Stephens-Stewart, Priestley-Taylor, Hicks-Hess, Turc, Liquid-Radiation, Thornthwaite-Modified, Temperature-Radiation, Penman-FAO24, Abtew and Camargo. The Camargo method should be preferred when only air temperatures data have. The methods Blaney-Criddle-FAO24 and Hamon should receive calibration for be utilized on the estimate of ET0 in Paranaíba city.

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Comparative Study of Methods for Estimating Evapotranspiration Reference in ParanaAba City, Brazil

Fernando Franca Da Cunha
Fernando Franca Da Cunha Universidade Federal dos Vales do Jequitinhonha e Mucuri
Thiago Ramos Da Silva
Thiago Ramos Da Silva
Arthur Ribeiro Ximenes
Arthur Ribeiro Ximenes
Rafael Oliveira Batista
Rafael Oliveira Batista

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