PTTs: PhotoThermal Time model

View source: R/phenology_models.R

PTTsR Documentation

PhotoThermal Time model

Description

as defined in Basler et al. 2016 (Agr. For. Meteorlogy) with a sigmoidal temperature response (Kramer 1994)

Usage

PTTs(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)

Examples


## Not run: 
estimate <- PTTs(data = data, par = par)

## End(Not run)

khufkens/phenor documentation built on Aug. 31, 2023, 1:24 a.m.