Description Usage Arguments Details
sat_vap
determines the saturation vapor pressure, e_{s} (kPa), for a
given atmospheric temperature.
1 | sat_vap(Ta)
|
Ta |
Air temperature, T_{a} (C). |
Saturation vapor pressure is determine by (Allen et al. 1998):
e_{s} = \frac{0.611 e^{(T_{a} 17.3)}}{T_{a} + 237.3}
Allen, RG, LS Pereira, D Raes, M Smith. 1998. Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56. FAO, Rome, 300(9), D05109.
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