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Pirineos: Revista de Ecología de Montaña
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Estimation of reference evapotranspiration in a mountainous mediterranean site using the Penman-Monteith equation with limited meteorological data

Authors: J. I. López-Moreno; T. M. Hess; S. M. White;

Estimation of reference evapotranspiration in a mountainous mediterranean site using the Penman-Monteith equation with limited meteorological data

Abstract

En los últimos años, diferentes autores han adoptado el método de Penman-Monteith para estimar la evapotranspiración potencial mediante datos climáticos. El principal inconveniente de este método es que precisa de un gran número de variables para ser calculado: temperatura, radiación solar, humedad relativa y velocidad del viento. En el Pirineo español las bases de datos climáticas a menudo solamente muestran disponibilidad de datos térmicos y pluviométricos. Bajo estas carencias, algunos autores recomiendan el uso de métodos que precisan de menos datos, como es el caso de la ecuación empírica de Hargreaves. Otros autores sugieren que resulta preferible estimar los datos no disponibles necesarios para aplicar la ecuación de Penman –Monteith a partir de los datos disponibles de temperatura y velocidad del viento. Los resultados de ambos procedimientos han sido comparados con la información disponible en una estación del Pirineo central español (1999-2003) donde están disponibles los parámetros para aplicar la ecuación de Penman-Monteith. Se han comparado los resultados con el modelo de Hargreaves para valorar el método más apropiado de cálculo. Los resultados muestran errores estacionales muy diferentes mediante la fórmula de Penman-Monteith, sin embargo, este procedimiento muestra una aproximación mejor para obtener la evapotranspiración potencial que aplicando la fórmula de Hargreaves.

Country
Spain
Keywords

Penman-Monteith, Evapotranspiración potencial; Penman-Monteith; Hargreaves; carencia de registros; estimación de parámetros; Pirineo Español, carencia de registros, Pirineo Español, Carencia de registros, Data scarcity, data scarcity, Hargreaves, Parameter estimation, Reference evapotranspiration, penman-monteith, QH540-549.5, hargreaves, Ecology, estimación de parámetros, Reference evapotranspiration; Penman-Monteith; Hargreaves; data scarcity; parameter estimation; Spanish Pyrenees, pirineo español, Spanish Pyrenees, Evapotranspiración potencial, evapotranspiración potencial, Estimación de parámetros, parameter estimation

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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