DESCRIPTION
i.evapo.mh calculates the reference evapotranspiration (ET) after
Hargreaves (1985) and the Modified Hargreaves (2001).
SEE ALSO
i.evapo.pt,
i.evapo.pm,
i.evapo.time,
r.sun
REFERENCES
- Hargreaves GL, Hargreaves GH, Riley JP, 1985. Agricultural benefits for
Senegal River Basin. Journal of Irrigation and Drainange Engineering,
ASCE, 111(2):113-124.
- Hargreaves, 2001 - incomplete
- Droogers P, Allen RG, 2002. Towards a simplified global reference
evapotranspiration equation. Irrigation Science.
- Droogers, P., Allen RG. 2002. Estimating reference evapotranspiration
under inaccurate data conditions. Irrigation and Drainage Systems 16: 33-45.
- Hargreaves GH, Samani ZA, 1985. Reference crop evapotranspiration from
ambient air temperature. American Society of Agricultural Engineers
(Microfiche collection)(USA). no. fiche no. 85-2517.
AUTHORS
Yann Chemin, GRASS Development team, 2007-2011
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