Discriminant function score map

Figure 1. Discriminant function score map of the pyrolysis mass spectra of the sample sites and their geographical position along the New Waterway (Rhine estuary) and in the North Sea. The numbers indicate sampling areas, the letter codes sample sites within an area.

Figure 2. Zero point spectrum of the pyrolysis mass spectral data file of the sample sites shown in the discriminant function score map in Figure 1.

---