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Stable sulfur isotopes in forest spring waters from the Fichtelgebirge (Germany)

Title data

Durka, Walter ; Giesemann, Anette ; Schulze, Ernst-Detlef ; Jäger, Hans-Jürgen:
Stable sulfur isotopes in forest spring waters from the Fichtelgebirge (Germany).
In: Isotopes in Environmental and Health Studies. Vol. 35 (1999) Issue 3 . - pp. 237-249.
ISSN 1477-2639
DOI: https://doi.org/10.1080/10256019908234096

Abstract in another language

The potential role of processes discriminating S isotopes, for example dissimilatory SO42- reduction and mineralization, in determining SO42- concentrations was studied in forest spring water. S-isotope composition of sulfate from atmospheric input and forest springs representing a wide range of SO42- concentrations was investigated in the Fichtelgebirge (NE Bavaria, Germany). d34S values in atmospheric input ranged from +3.7 to +5.7 o/oo. In spring waters with SO42- > 150 µmol 1-1 34S values were between +4 and +5o/oo, whereas 34S values increased up to +7.2o/oo below 150 µmol 1-1 SO42-. SO42- mineralization seemed to have no effect on isotopic composition since all 34S values of spring water were higher than input values. Dissimilatory SO42- reduction occurred in springs with SO42- < 150 µmol 1-1. Spatial heterogeneity in forest soils or flow paths has to be invoked to explain increased 34S values since NO3- concentrations would not allow for SO42- reduction to occur.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7302
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 27 Nov 2015 07:31
Last Modified: 02 Mar 2016 09:21
URI: https://eref.uni-bayreuth.de/id/eprint/23319