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Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy

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Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy. / Wynn, Peter; Borsato, Andrea; Baker, Andy; Frisia, Silvia; Miorandi, Renza; Fairchild, Ian J.

In: Biogeochemistry, Vol. 114, No. 1-3, 07.2013, p. 255-267.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Wynn, P, Borsato, A, Baker, A, Frisia, S, Miorandi, R & Fairchild, IJ 2013, 'Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy', Biogeochemistry, vol. 114, no. 1-3, pp. 255-267. https://doi.org/10.1007/s10533-012-9807-z

APA

Wynn, P., Borsato, A., Baker, A., Frisia, S., Miorandi, R., & Fairchild, I. J. (2013). Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy. Biogeochemistry, 114(1-3), 255-267. https://doi.org/10.1007/s10533-012-9807-z

Vancouver

Wynn P, Borsato A, Baker A, Frisia S, Miorandi R, Fairchild IJ. Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy. Biogeochemistry. 2013 Jul;114(1-3):255-267. https://doi.org/10.1007/s10533-012-9807-z

Author

Wynn, Peter ; Borsato, Andrea ; Baker, Andy ; Frisia, Silvia ; Miorandi, Renza ; Fairchild, Ian J. / Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy. In: Biogeochemistry. 2013 ; Vol. 114, No. 1-3. pp. 255-267.

Bibtex

@article{b7f222e9387c47379a5137aad7976275,
title = "Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy",
abstract = "Trace amounts of sulphur in speleothems suggest that stalagmites may act as archives of sulphur deposition, thereby recording aspects of atmospheric variability in sulphur content. Accurate interpretation of this novel sulphur archive depends upon understanding how biogeochemical cycling in the soil and epikarst above the cave may modify the precursor atmospheric values of sulphur concentration and isotopic composition prior to incorporation into the speleothem record. Dual isotope analysis of δ34S-SO4 and δ18O-SO4 is used to trace biogeochemical transformations of atmospheric sulphur through the cave system at Grotta di Ernesto in the Italian Alps and builds towards a framework for interpretation of speleothem sulphur archives which depends on overlying ecosystem dynamics and karst hydrological properties. A three component model of atmospheric signal modification is proposed to be driven by 1. vegetation and soil cycling, 2. the degree of groundwater mixing in the karst aquifer; and 3. redox status. The relative influence of each process is specific to individual drip flow sites and associated stalagmites, rendering each suphur archive a unique signal of environmental conditions. Under conditions found in the soil and epikarst above Grotta di Ernesto, the dual isotope signatures of sulphate sulphur and oxygen incorporated into speleothem carbonate, closely reflect past conditions of industrial sulphur loading to the atmosphere and the extent of signal modification through biogeochemical cycling and aquifer mixing. ",
keywords = "Sulphur, Isotopes, Biogeochemistry, Speleothem, Karst",
author = "Peter Wynn and Andrea Borsato and Andy Baker and Silvia Frisia and Renza Miorandi and Fairchild, {Ian J.}",
year = "2013",
month = jul,
doi = "10.1007/s10533-012-9807-z",
language = "English",
volume = "114",
pages = "255--267",
journal = "Biogeochemistry",
issn = "0168-2563",
publisher = "SPRINGER",
number = "1-3",

}

RIS

TY - JOUR

T1 - Biogeochemical cycling of sulphur in karst and transfer into speleothem archives at Grotta di Ernesto, Italy

AU - Wynn, Peter

AU - Borsato, Andrea

AU - Baker, Andy

AU - Frisia, Silvia

AU - Miorandi, Renza

AU - Fairchild, Ian J.

PY - 2013/7

Y1 - 2013/7

N2 - Trace amounts of sulphur in speleothems suggest that stalagmites may act as archives of sulphur deposition, thereby recording aspects of atmospheric variability in sulphur content. Accurate interpretation of this novel sulphur archive depends upon understanding how biogeochemical cycling in the soil and epikarst above the cave may modify the precursor atmospheric values of sulphur concentration and isotopic composition prior to incorporation into the speleothem record. Dual isotope analysis of δ34S-SO4 and δ18O-SO4 is used to trace biogeochemical transformations of atmospheric sulphur through the cave system at Grotta di Ernesto in the Italian Alps and builds towards a framework for interpretation of speleothem sulphur archives which depends on overlying ecosystem dynamics and karst hydrological properties. A three component model of atmospheric signal modification is proposed to be driven by 1. vegetation and soil cycling, 2. the degree of groundwater mixing in the karst aquifer; and 3. redox status. The relative influence of each process is specific to individual drip flow sites and associated stalagmites, rendering each suphur archive a unique signal of environmental conditions. Under conditions found in the soil and epikarst above Grotta di Ernesto, the dual isotope signatures of sulphate sulphur and oxygen incorporated into speleothem carbonate, closely reflect past conditions of industrial sulphur loading to the atmosphere and the extent of signal modification through biogeochemical cycling and aquifer mixing.

AB - Trace amounts of sulphur in speleothems suggest that stalagmites may act as archives of sulphur deposition, thereby recording aspects of atmospheric variability in sulphur content. Accurate interpretation of this novel sulphur archive depends upon understanding how biogeochemical cycling in the soil and epikarst above the cave may modify the precursor atmospheric values of sulphur concentration and isotopic composition prior to incorporation into the speleothem record. Dual isotope analysis of δ34S-SO4 and δ18O-SO4 is used to trace biogeochemical transformations of atmospheric sulphur through the cave system at Grotta di Ernesto in the Italian Alps and builds towards a framework for interpretation of speleothem sulphur archives which depends on overlying ecosystem dynamics and karst hydrological properties. A three component model of atmospheric signal modification is proposed to be driven by 1. vegetation and soil cycling, 2. the degree of groundwater mixing in the karst aquifer; and 3. redox status. The relative influence of each process is specific to individual drip flow sites and associated stalagmites, rendering each suphur archive a unique signal of environmental conditions. Under conditions found in the soil and epikarst above Grotta di Ernesto, the dual isotope signatures of sulphate sulphur and oxygen incorporated into speleothem carbonate, closely reflect past conditions of industrial sulphur loading to the atmosphere and the extent of signal modification through biogeochemical cycling and aquifer mixing.

KW - Sulphur

KW - Isotopes

KW - Biogeochemistry

KW - Speleothem

KW - Karst

U2 - 10.1007/s10533-012-9807-z

DO - 10.1007/s10533-012-9807-z

M3 - Journal article

VL - 114

SP - 255

EP - 267

JO - Biogeochemistry

JF - Biogeochemistry

SN - 0168-2563

IS - 1-3

ER -