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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidade Estadual de Maringá
2020
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| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=303062597027 https://www.redalyc.org/journal/3030/303062597027/ https://www.redalyc.org/journal/3030/303062597027/html/ https://www.redalyc.org/journal/3030/303062597027/303062597027.epub https://www.redalyc.org/journal/3030/303062597027/movil |
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- Calibration of reference evapotranspiration models in Pará Vivian Dielly da Silva Farias Deborah Luciany Pires Costa João Vitor de Novoa Pinto Paulo Jorge de Oliveira Ponte de Souza Everaldo Barreiro de Souza Samuel Ortega-Farias Agrociencias Penman Monteith FAO 56 climate monitoring water requirements The use of empirical agrometeorological models that can be adjusted to the climatic conditions of different regions has become increasingly necessary to improve water management in grain-producing municipalities. The aim of this work is to examine the correlation between various reference evapotranspiration (ETo) estimation methods and the standard FAO 56 Penman-Monteith method, as well as to determine correction factors, when necessary, for crop-producing municipalities in the northeast of Pará, during both the rainy and dry seasons. We compared simpler methods of ETo estimation to the FAO 56 Penman-Monteith method. For this purpose, meteorological data from Tracuateua, Bragança, Capitão Poço and Castanhal, provided by the National Institute of Meteorology (INMET), were used. The calibration of equations was performed through linear regression. The accuracy of different estimation methods was examined. The Turc, FAO 24 Blaney-Criddle and regression methods presented the best results for all statistical criteria; the Priestley-Taylor, Makkink and FAO 24 Radiation methods presented excellent results after calibration. The methods of Camargo and Hargreaves-Samani produced the worst results for all the criteria. 2020 artículo científico 1679-9275 https://www.redalyc.org/articulo.oa?id=303062597027 https://www.redalyc.org/journal/3030/303062597027/ https://www.redalyc.org/journal/3030/303062597027/html/ https://www.redalyc.org/journal/3030/303062597027/303062597027.epub https://www.redalyc.org/journal/3030/303062597027/movil 10.4025/actasciagron.v42i1.42475 en http://www.redalyc.org/revista.oa?id=3030 Acta Scientiarum. Agronomy application/pdf Universidade Estadual de Maringá Acta Scientiarum. Agronomy (Brasil) Vol.42