Altogether, 34 samples of springs, wells and streams were collected and major elemental and various nitrogen species concentrations determined, including N2, NH4, NO2, NO3 and organic nitrogen.
Í heildina voru tekin 34 sýni af uppsprettum, borholum og lækjum og greind voru úr þeim aðalefni og mismunandi tegundir köfnunarefnis, þ.á.m.