Results of the Monte Carlo study where the distribution of the values (T, β) is modelled with a function β(T) = AT − α. The vertical lines show the values of the parameter α estimated from the observations. The histograms S1 shows the distribution of the α values for observations with the added noise σS. These are compared to simulations with β = 2.0 containing the noise components σS and σC (distribution R1) or with additional simulated mapping artifacts, σM (R2, see the text for details).
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