Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity?
The 13C signature is evaluated for various environmental compartments (vegetation, soils, soil gas, rock and groundwater) for three crystalline rock terrains in England and Norway. The data are used to evaluate the extent to which stable carbon isotopic data can be applied to deduce whether the alka...
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Online Access: | http://eprints.gla.ac.uk/150220/ http://eprints.gla.ac.uk/150220/1/150220.pdf |
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ftuglasgow:oai:eprints.gla.ac.uk:150220 2023-05-15T15:52:42+02:00 Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? Bottrell, Simon Hipkins, Emma V. Lane, James M. Zegos, Rose A. Banks, David Frengstad, Bjørn S. 2019-03 text http://eprints.gla.ac.uk/150220/ http://eprints.gla.ac.uk/150220/1/150220.pdf en eng Springer http://eprints.gla.ac.uk/150220/1/150220.pdf Bottrell, S., Hipkins, E. V., Lane, J. M., Zegos, R. A., Banks, D. <http://eprints.gla.ac.uk/view/author/29509.html> and Frengstad, B. S. (2019) Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? Sustainable Water Resources Management <http://eprints.gla.ac.uk/view/journal_volume/Sustainable_Water_Resources_Management.html>, 5(1), pp. 267-287. (doi:10.1007/s40899-017-0203-7 <http://dx.doi.org/10.1007/s40899-017-0203-7>) cc_by_4 CC-BY Articles PeerReviewed 2019 ftuglasgow 2020-05-28T22:19:25Z The 13C signature is evaluated for various environmental compartments (vegetation, soils, soil gas, rock and groundwater) for three crystalline rock terrains in England and Norway. The data are used to evaluate the extent to which stable carbon isotopic data can be applied to deduce whether the alkalinity in crystalline bedrock groundwaters has its origin in hydrolysis of carbonate or silicate minerals by CO2. The resolution of this issue has profound implications for the role of weathering of crystalline rocks as a global sink for CO2. In the investigated English terrain (Isles of Scilly), groundwaters are hydrochemically immature and DIC is predominantly in the form of carbonic acid with a soil gas signature. In the Norwegian terrains, the evidence is not conclusive but is consistent with a significant fraction of the groundwater DIC being derived from silicate hydrolysis by CO2. A combined consideration of pH, alkalinity and carbon isotope data, plotted alongside theoretical evolutionary pathways on bivariate diagrams, strongly suggests real evolutionary pathways are likely to be hybrid, potentially involving both open and closed CO2 conditions. Article in Journal/Newspaper Carbonic acid University of Glasgow: Enlighten - Publications Norway Sustainable Water Resources Management 5 1 267 287 |
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Open Polar |
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University of Glasgow: Enlighten - Publications |
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ftuglasgow |
language |
English |
description |
The 13C signature is evaluated for various environmental compartments (vegetation, soils, soil gas, rock and groundwater) for three crystalline rock terrains in England and Norway. The data are used to evaluate the extent to which stable carbon isotopic data can be applied to deduce whether the alkalinity in crystalline bedrock groundwaters has its origin in hydrolysis of carbonate or silicate minerals by CO2. The resolution of this issue has profound implications for the role of weathering of crystalline rocks as a global sink for CO2. In the investigated English terrain (Isles of Scilly), groundwaters are hydrochemically immature and DIC is predominantly in the form of carbonic acid with a soil gas signature. In the Norwegian terrains, the evidence is not conclusive but is consistent with a significant fraction of the groundwater DIC being derived from silicate hydrolysis by CO2. A combined consideration of pH, alkalinity and carbon isotope data, plotted alongside theoretical evolutionary pathways on bivariate diagrams, strongly suggests real evolutionary pathways are likely to be hybrid, potentially involving both open and closed CO2 conditions. |
format |
Article in Journal/Newspaper |
author |
Bottrell, Simon Hipkins, Emma V. Lane, James M. Zegos, Rose A. Banks, David Frengstad, Bjørn S. |
spellingShingle |
Bottrell, Simon Hipkins, Emma V. Lane, James M. Zegos, Rose A. Banks, David Frengstad, Bjørn S. Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
author_facet |
Bottrell, Simon Hipkins, Emma V. Lane, James M. Zegos, Rose A. Banks, David Frengstad, Bjørn S. |
author_sort |
Bottrell, Simon |
title |
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
title_short |
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
title_full |
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
title_fullStr |
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
title_full_unstemmed |
Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
title_sort |
carbon-13 in groundwater from english and norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? |
publisher |
Springer |
publishDate |
2019 |
url |
http://eprints.gla.ac.uk/150220/ http://eprints.gla.ac.uk/150220/1/150220.pdf |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_relation |
http://eprints.gla.ac.uk/150220/1/150220.pdf Bottrell, S., Hipkins, E. V., Lane, J. M., Zegos, R. A., Banks, D. <http://eprints.gla.ac.uk/view/author/29509.html> and Frengstad, B. S. (2019) Carbon-13 in groundwater from English and Norwegian crystalline rock aquifers: a tool for deducing the origin of alkalinity? Sustainable Water Resources Management <http://eprints.gla.ac.uk/view/journal_volume/Sustainable_Water_Resources_Management.html>, 5(1), pp. 267-287. (doi:10.1007/s40899-017-0203-7 <http://dx.doi.org/10.1007/s40899-017-0203-7>) |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
container_title |
Sustainable Water Resources Management |
container_volume |
5 |
container_issue |
1 |
container_start_page |
267 |
op_container_end_page |
287 |
_version_ |
1766387813010374656 |