In Figure 4, the x-axis label erroneously reads “Ice-thickness error, ɛxy (m)”, while it should read “Error in horizontal positioning, ɛxy (m)”. A corrected version of Figure 4 is supplied below.
Fig. 4. Error in ice thickness, ɛHxy (m), for a given error in position, ɛxy, and a given bed slope with angle θ.