Methods:Sampling:• Rhizon technique (Seeberg-Elverfeldt et al. 2005)SO42-:• Ion chromatography (Metrohm IC Net 2.3)Fe2+:• Ferrozine method (Stookey 1970)NH4+:• spectrophotometrically using a Multiskan
Fundamental elemental component (total carbon, hydrogen, nitrogen, and sulfur) fluctuations help define the origin, depositional environment, and diagenetic alteration of source materials. To determin