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#' Effects of temperature on decomposition rates according to the StandCarb
#' model
#'
#' Calculates the effects of temperature on decomposition rates according to
#' the StandCarb model.
#'
#'
#' @param Temp A scalar or vector containing values of temperature for which
#' the effects on decomposition rates are calculated.
#' @param Topt A scalar representing the optimum temperature for decomposition.
#' @param Tlag A scalar that determines the lag of the response curve.
#' @param Tshape A scalar that determines the shape of the response curve.
#' @param Q10 A scalar. Temperature coefficient Q10.
#' @return A scalar or a vector containing the effects of temperature on
#' decomposition rates (unitless).
#' @references Harmon, M. E., and J. B. Domingo (2001), A users guide to
#' STANDCARB version 2.0: A model to simulate carbon stores in forest stands.
#' Oregon State University, Corvallis.
fT.Standcarb<-structure(
function
(Temp,
Topt=45,
Tlag=4,
Tshape=15,
Q10=2
)
{
exp(-1*(Temp/(Topt+Tlag))^Tshape)*Q10^((Temp-10)/10)
}
,
ex=function(){
Temperature=0:50
plot(Temperature,fT.Standcarb(Temperature),type="l",ylab="f(T) (unitless)",
main="Effects of temperature on decomposition rates according to the StandCarb model")
}
)
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