Season formula (Water Overlay): Difference between revisions

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==Evaporation==
The evaporation graphs showing the evaporation factor as a percentage per day. The approximated graphs use five control points (see the season table above) per type, such that it can be reduced to four values per year.
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File:seasonal_evap_grass.jpg
File:seasonal_evap_grass.jpg

Revision as of 10:47, 27 February 2024

The season fraction and index are variables used for calculating the transpiration factor in the Ground evaporation formula. It used the configured start date of a Water Overlay and selected months and day of months to determine plants growth seasons.

Evaporation month indices:

Index Month Day of Month Transpiration value
2 March 15 1st
3 April 15 2nd
6 July 15 3rth
8 September 15 4th
9 October 1 1st

Evaporation

The evaporation graphs showing the evaporation factor as a percentage per day. The approximated graphs use five control points (see the season table above) per type, such that it can be reduced to four values per year.

Notes

  • The growth season dates are determined based on western european growth and transpiration graphs of the following crops and plants: grass, corn, potato, beet, grain, orchard and heather.

See also