Interrogating trees for isotopic archives of atmospheric sulphur deposition and comparison to speleothem records

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Interrogating trees for isotopic archives of atmospheric sulphur deposition and comparison to speleothem records. / Wynn, P.m.; Loader, N.j.; Fairchild, Ian.

In: Environmental Pollution, Vol. 187, 01.04.2014, p. 98-105.

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@article{1b6ba5013e1444bd892e6a7a4980c2c4,
title = "Interrogating trees for isotopic archives of atmospheric sulphur deposition and comparison to speleothem records",
abstract = "Palaeorecords which depict changes in sulphur dynamics form an invaluable resource for recording atmospheric pollution. Tree rings constitute an archive that are ubiquitously available and can be absolutely dated, providing the potential to explore local- to regional-scale trends in sulphur availability. Rapid isotopic analysis by a novel “on-line” method using elemental analyser isotope ratio mass spectrometry (EA-IRMS) is developed, achieving sample precision of <0.4‰ using sample sizes of 40 mg wood powder. Tree cores from NE Italy show trends in pollution, evidenced through increasing concentrations of sulphur towards the youngest growth, and inverse trends in sulphur isotopes differentiating modern growth with light sulphur isotopes (+0.7‰) from pre-industrial growth (+7.5‰) influenced by bedrock composition. Comparison with speleothem records from the same location demonstrate replication, albeit offset in isotopic value due to groundwater storage. Using EA-IRMS, tree ring archives form a valuable resource for understanding local- to regional-scale sulphur pollution dynamics.",
keywords = "Sulphur, Isotopes, Tree rings, Biogeochemistry, Speleothems, Pollution",
author = "P.m. Wynn and N.j. Loader and Ian Fairchild",
year = "2014",
month = apr
day = "1",
doi = "10.1016/j.envpol.2013.12.017",
language = "English",
volume = "187",
pages = "98--105",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Interrogating trees for isotopic archives of atmospheric sulphur deposition and comparison to speleothem records

AU - Wynn, P.m.

AU - Loader, N.j.

AU - Fairchild, Ian

PY - 2014/4/1

Y1 - 2014/4/1

N2 - Palaeorecords which depict changes in sulphur dynamics form an invaluable resource for recording atmospheric pollution. Tree rings constitute an archive that are ubiquitously available and can be absolutely dated, providing the potential to explore local- to regional-scale trends in sulphur availability. Rapid isotopic analysis by a novel “on-line” method using elemental analyser isotope ratio mass spectrometry (EA-IRMS) is developed, achieving sample precision of <0.4‰ using sample sizes of 40 mg wood powder. Tree cores from NE Italy show trends in pollution, evidenced through increasing concentrations of sulphur towards the youngest growth, and inverse trends in sulphur isotopes differentiating modern growth with light sulphur isotopes (+0.7‰) from pre-industrial growth (+7.5‰) influenced by bedrock composition. Comparison with speleothem records from the same location demonstrate replication, albeit offset in isotopic value due to groundwater storage. Using EA-IRMS, tree ring archives form a valuable resource for understanding local- to regional-scale sulphur pollution dynamics.

AB - Palaeorecords which depict changes in sulphur dynamics form an invaluable resource for recording atmospheric pollution. Tree rings constitute an archive that are ubiquitously available and can be absolutely dated, providing the potential to explore local- to regional-scale trends in sulphur availability. Rapid isotopic analysis by a novel “on-line” method using elemental analyser isotope ratio mass spectrometry (EA-IRMS) is developed, achieving sample precision of <0.4‰ using sample sizes of 40 mg wood powder. Tree cores from NE Italy show trends in pollution, evidenced through increasing concentrations of sulphur towards the youngest growth, and inverse trends in sulphur isotopes differentiating modern growth with light sulphur isotopes (+0.7‰) from pre-industrial growth (+7.5‰) influenced by bedrock composition. Comparison with speleothem records from the same location demonstrate replication, albeit offset in isotopic value due to groundwater storage. Using EA-IRMS, tree ring archives form a valuable resource for understanding local- to regional-scale sulphur pollution dynamics.

KW - Sulphur

KW - Isotopes

KW - Tree rings

KW - Biogeochemistry

KW - Speleothems

KW - Pollution

U2 - 10.1016/j.envpol.2013.12.017

DO - 10.1016/j.envpol.2013.12.017

M3 - Article

C2 - 24463472

VL - 187

SP - 98

EP - 105

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

ER -