Poland - IOW

Results 30
respective sample regression line had an r r 2
calculated conservative mixing line.
of only 0.22 and differed greatly from the
Figure 3.5: Ammonium (NH 4 + ) concentrations over salinity. Lances sampled in a transect
perpendicular to the shore line in May 2010. M1 (,), M2 (/), M3 (,) and M4 (/).3m deep
well sampled in May 2010("), 180 m deep well sampled in October 2010(").For positions of
lances see Figure 2.4. Conservative mixing lines for pore water of every site M and the two
wells. For end-members see Table 3.4. Note break in y-axis.
During October the mixing of ammonium concentrations was mostly conservative at site O1
and O2 despite some scatter. They both showed the highest similarities of sample regression
and conservative mixing lines of all sites in transects sampled during May and October 2010.
O2 had the best r 2 r of 0.93 in October. At O3, the site farthest away from the shore in October,
the slope of the sampling regression line was steeper than that of the conservative mixing line
and b r is greater than b m . Therefore ammonium concentrations were higher than the values
calculated from the pore water with the lowest salinity.