TimeseriesContinuous(name=piecewise_linear, time_units=year, values_units=gigametric_ton, function=1st order ContinuousFunctionScipyPPoly(ppoly=scipy.interpolate._interpolate.PPoly(c=[[-1.2  2.3]
 [10.  12. ]], x=[ 1. 10. 20.])), domain=(<Quantity(1, 'year')>, <Quantity(20, 'year')>))
