Description Usage Arguments Details Value References Examples
Quantifies the Growing Degree Hours at between the base and optimum temperatures, by Anderson et al. (1986).
1 | gdha_model(x, total = TRUE)
|
x |
Vector containing temperature values (Celsius-degree). |
total |
TRUE Shows the total value of accumulation, FALSE shows the value of GDH for each temperature (TRUE is default). |
The GDH Model is based on base and optimum temperature. The base temperature is 4°C. The optimum and critical temperature are 25°C and 36°C, respectively.
The function returns values the GDH for each temperature of vector.
Anderson, J. L. et al. 1986. Validation of chill unit and flower bud phenology models for "Montmorency" sour cherry. Acta Horticulturae - Modelling in Fruit Research.
1 2 3 | x <- rnorm(500,8,3)
gdha_model(x)
gdha_model(x, FALSE)
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