PanCoef | R Documentation |
PanCoef
returns the value of Pan Coefficient (K_p).
PanCoef(u_2, RH_mean, FET, type, fetch)
u_2 |
A numeric scalar that denotes the wind speed at the height 2m above the ground surface [m/s]. |
RH_mean |
A numeric scalar that denotes the mean relative humidity. ( |
FET |
A numeric scalar that denotes the fetch, or distance of the identified surface type [m] ( |
type |
A character string that denotes the type of pan and can take the options "Class A" for Class A pan and "Colorado" for Colorado sunken pan. |
fetch |
A character string that denotes the fetch state and can take the options "dry" and "green". |
This is a function to calculate the pan coefficient used in the pan evaporation method to calculate the reference evapotranspiration.
The function returns the value of the pan coefficient.
ETo_Pan, MeanRH
.
PanCoef(u_2 = 2, RH_mean = 50, FET = 3, type = "Class A", fetch = "dry")
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