Standard growing season index model

Source: R/phenology_models.R

as defined by Xin et al. 2015 (Rem. Sens. Env.)

SGSI(par, data)

Arguments

par

a vector of parameter values, this is functions specific

data

input data (see reference for detailed description), data should be formatted using flat_format()

Value

raster or vector with estimated phenophase timing (in DOY)

Details

No clear accumulation start date was set in the above mentioned manuscript, as such we assume a start date of 21th of Dec, or 1th of Jan. depending on the offset used in the generated validation data.

Examples


if (FALSE) { # \dontrun{
estimate <- AGSI(data = data, par = par)
} # }