SoilR (version 1.1-23)

getReleaseFlux14_method__Model_14: 14C respiration rate for all pools

Description

The function computes the $14C$ release flux ( mass per time ) for all pools. Note that the respiration coefficients for $14C$ do not change in comparison to the total C case. The fraction of $14C$ lost by respiration is not greater for $14C$ although the decay is faster due to the contribution of radioactivity.

Arguments

object

an object

Examples

years=seq(1901,2009,by=0.5)
LitterInput=700 

Ex=TwopParallelModel14(
	t=years,
	ks=c(k1=1/2.8, k2=1/35),
	C0=c(200,5000), 
        F0_Delta14C=c(0,0),
	In=LitterInput, 
	gam=0.7,
	inputFc=C14Atm_NH,
	lag=2
)

R14=getReleaseFlux14(Ex)
C14=getC14(Ex)

par(mfrow=c(2,1))
 plot(years, C14[,1], col=4,type="l",xlab="Year",ylab="14C(t)",ylim=c(min(C14),max(C14))) 
 lines(years, C14[,2],col=4,lwd=2)
 legend("topright",c( "14C pool 1", "14C pool 2"),
       lty=c(1,1),col=c(1,4),lwd=c(1,1),bty="n")

 plot(years, R14[,1], col=4,type="l",xlab="Year",ylab="14R(t)",ylim=c(min(R14),max(R14))) 
 lines(years, R14[,2],col=4,lwd=2)
 legend("topright",c( "14C respiration pool 1", "14C respiration pool 2"),
       lty=c(1,1),col=c(1,4),lwd=c(1,1),bty="n")
par(mfrow=c(1,1))