INTEGER myYear, lastYear, thisYear
lastYear=1+int(myYear+0.5)
thisYear=lastYear+1
dtinc=myYear-float(lastYear-1)
ACFC11north = ACFC11(lastYear,1)*bWght
ACFC11south = ACFC11(lastYear,2)*bWght
INTEGER lastYear, thisYear
dtinc=myYear-(lastYear-1.d0)
ACFC12north = ACFC12(lastYear,1)*bWght
ACFC12south = ACFC12(lastYear,2)*bWght