Crop evapotranspiration : guidelines for computing crop water requirements
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Cites methods from "Crop evapotranspiration : guideline..."
...Potential evapotranspiration estimates were calculated using the FAO 56 Penman Monteith combination equation (Allen et al., 1998), while actual evapotranspiration estimates were derived using the LPJ dynamic global vegetation model (Hickler et al., 2004)....
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...Potential evapotranspiration estimates were calculated using the FAO 56 Penman Monteith combination equation (Allen et al., 1998), while actual evapotranspiration estimates were derived using the LPJ dynamic global vegetation model (Hickler et al....
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Cites background or methods from "Crop evapotranspiration : guideline..."
...Allen et al. (1998) and Temesgen et al. (1999) have indicated that high humidity conditions may result in an overestimation by HG of ET0 and that conditions with high windspeed may result in an underestimation of ET0....
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...From the several existing ET0 equations, the FAO-56 application of the Penman-Monteith equation (Allen et al. 1998) is currently widely used and can be considered as a sort of standard (Walter et al. 2000)....
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...Allen et al. (1998) placed considerable emphasis and effort in describing alternative ways to estimate solar radiation and humidity data required for PM using simpler or fewer measurements....
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...RA can be obtained from tables (Hargreaves 1994), equations (Allen et al. 1998) or computer software (Droogers 2000)....
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...Alternatively, the PM can be used with solar radiation and humidity estimated from temperature data and estimates of mean wind speed, according to recommendations in FAO-56 (Allen et al. 1998; Annandale 2001) or using these secondary data from the IWMI global data set....
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References
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