1986
DOI: 10.1061/(asce)0733-9437(1986)112:2(139)
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Rational Use of The FAO Blaney‐Criddle Formula

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Cited by 130 publications
(55 citation statements)
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“…FAO-24 Blaney and Criddle (Allen and Pruitt, 1986), Turc (1961), Hargreaves-Samani (Hargreaves and Samani, 1985), and the modified Hargreaves approach (Droogers and Allen, 2002). These are included in Sect.…”
Section: Fao-56 Reference Crop Evapotranspirationmentioning
confidence: 99%
“…FAO-24 Blaney and Criddle (Allen and Pruitt, 1986), Turc (1961), Hargreaves-Samani (Hargreaves and Samani, 1985), and the modified Hargreaves approach (Droogers and Allen, 2002). These are included in Sect.…”
Section: Fao-56 Reference Crop Evapotranspirationmentioning
confidence: 99%
“…where D is the mean daily percentage of total annual daytime hours for a given time period and latitude (values of D are given in Allen and Pruitt (1986) and Doorenbos and Pruitt (1975)), h is the elevation, a and b are correction factors that adjust the E e estimates based on the measured or estimated mean daily minimum relative humidity (Q m i"), the mean ratio of actual to possible sunshine hours (n/N) and the daytime wind speed at 20-m height (JJday)-The a and b factors can be interpolated from published tables (Doorenbos and Pruitt, 1975) or calculated using the following regression equations reported by Frevert et al (1983):…”
Section: B Thornthwaite Methodsmentioning
confidence: 99%
“…Note that this subsection includes a general description of equations used for calculations of potential evapotranspiration; it does not provide an analysis of the various advantages and disadvantages in applying these equations, which are given in other publications (for example, Allen et al, 1998;Allen & Pruitt, 1986;Batchelor, 1984;Maulé et al, 2006;Sumner & Jacobs, 2005;Walter et al, 2002). The two forms of Baier-Robertson equations (Baier, 1971;Baier & Robertson, 1965) are given by:…”
Section: Equations For Calculations Of Potential Evapotranspirationmentioning
confidence: 99%
“…Equation (1) takes into account the effect of temperature, and Equation (2) takes into account the effects of temperature and relative humidity. The Blaney-Criddle equation (Allen & Pruitt, 1986) is used to calculate evapotranspiration for a reference crop, which is assumed to be actively growing green grass of 8-15 cm height:…”
Section: Equations For Calculations Of Potential Evapotranspirationmentioning
confidence: 99%