StepChill_Wrapper: StepChill_Wrapper

View source: R/UnifiedModel.R

StepChill_WrapperR Documentation

StepChill_Wrapper

Description

Same as UniChill_Wrapper, but with a step function for chilling

Usage

StepChill_Wrapper(x, par)

Arguments

x

data.frame with at least columns 'Temp' and 'JDay'

par

numeric vector of length 7 with the parameters of the StepChill model: 1. Tc, 2. bf, 3. cf, 4. Cstar and 5. Fstar.

Value

A single numeric value with the JDay prediction for the temperaturs in 'x$Temp' and the model parameters in 'par'.

Author(s)

Carsten Urbach <urbach@hiskp.uni-bonn.de>

References

Isabelle Chuine, A Unified Model for Budburst of Trees, J. theor. Biol. (2000) 207

Asse et al., Process-based models outcompete correlative models in projecting spring phenology of trees in a future warmer climate,Agricultural and Forest Meteorology (2020) 107913


chillR documentation built on Nov. 28, 2023, 1:09 a.m.