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('''Chapter 11. Development of ET<sub>0</sub> computation procedure.''')
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='''Chapter 11. Development of ET<sub>0</sub> computation procedure.'''= ='''Chapter 11. Development of ET<sub>0</sub> computation procedure.'''=
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The parameters needed to calculate ET<sub>0</sub> are the following: The parameters needed to calculate ET<sub>0</sub> are the following:
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 +{| border="1"
 +|-
 +| '''Parameter group'''
 +| '''Parameters'''
 +| '''Remarks'''
 +|-
 +|}
 +
 +
 +* Temperatures : minimum and maximum in degrees celcius
 +* Radiation. Radiation can be calculated quite accurately from the number of sunshine hours (or sunshine fraction) accompanied by Day number in the year

Revision as of 08:15, 4 August 2006

Chapter 11. Development of ET0 computation procedure.

Potential evapotranspiration (ET0) is a vital input to Water Balance calculations, which in turn are a vital part in Crop forecasting.

The parameters needed to calculate ET0 are the following:

Parameter group Parameters Remarks


  • Temperatures : minimum and maximum in degrees celcius
  • Radiation. Radiation can be calculated quite accurately from the number of sunshine hours (or sunshine fraction) accompanied by Day number in the year





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