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Dating of groundwaters by ¹⁴C-analysis of dissolved humic substances
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
1991 (English)In: Humic substances in the aquatic and terrestrial environment : proceedings of an international symposium, Linköping, Sweden, August 21-23, 1989 / [ed] B. Allard, H. Borén and A. Grimvall, Berlin Heidleberg New York: Springer, 1991, p. 135-141Chapter in book (Refereed)
Abstract [en]

Fulvic acids of the DOC of five deep (139-409 m) groundwaters were recovered (adsorption on DEAE-cellulose) and used for age determination (14C determined by accelerator mass spectrometry), and compared with fulvic acids recovered from a shallow groundwater and a surface water. The composition of the seven different fulvic acids was similar, despite variations in hydrochemical conditions and residence times, indicating a high stability of this molecular weight fraction. The ages calculated from the 14C-content of the fulvic acid fraction (600 to 10000 y) are less than the ages indicated from analyses of the dissolved carbonate (data available for three sites). Using a fraction of the DOC with high stability (like the fulvic acid fraction) as a 14C-source when assessing the ages of subsurface waters, appears to be superior to using dissolved carbonate.

Place, publisher, year, edition, pages
Berlin Heidleberg New York: Springer, 1991. p. 135-141
Series
Lecture Notes in Earth Science, ISSN 0930-0317 ; 33
Keywords [en]
Groundwater
National Category
Environmental Sciences related to Agriculture and Land-use Chemical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-112167ISBN: 3-540-53702-3 (print)OAI: oai:DiVA.org:liu-112167DiVA, id: diva2:764093
Available from: 2014-11-18 Created: 2014-11-18 Last updated: 2018-01-11Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf