Abstract
Gaseous atmospheric sulphur compounds are damaging to many lichen species and because lichens absorb S and other elements largely from the atmosphere, analysis of lichens provides an indication of atmospheric δ34S. Harmful elevated levels of SO2 are normally due to local emissions and result in increased accumulation by lichens — an active, energy-dependent process. As many anthropogenic sources have isotopic compositions that are different from the regional background and the uptake from the air is not associated with isotopic fractionation, determining δ34S provides a powerful source indicator.
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© 2002 Springer Science+Business Media Dordrecht
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Spiro, B., Morrisson, J., Purvis, O.W. (2002). Sulphur Isotopes in Lichens as Indicators of Sources. In: Nimis, P.L., Scheidegger, C., Wolseley, P.A. (eds) Monitoring with Lichens — Monitoring Lichens. NATO Science Series, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0423-7_26
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DOI: https://doi.org/10.1007/978-94-010-0423-7_26
Publisher Name: Springer, Dordrecht
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