Operational Estimates of Reference Evapotranspiration

作者: Richard G. Allen , Marvin E. Jensen , James L. Wright , Robert D. Burman

DOI: 10.2134/AGRONJ1989.00021962008100040019X

关键词: LysimeterWind effectPlant coverAtmospheric sciencesResearch methodologyHumidityPenman equationEvapotranspirationMathematical formulaAgronomyEnvironmental scienceAgronomy and Crop Science

摘要: (...) The Penman-Monteith and other forms of the Penman equation were compared at 11 international lysimeter sites, with method a variable wind function developed Kimberly, ID providing best estimates reference ET across sites. Ratios computed alfalfa to grass during peak months various locations averaged 1.32, ranged from 1.12 1.43. Values ratios related local humidity conditions

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