QICS Paper: Impact and recovery of pH in marine sediments subject to a temporary carbon dioxide leak

A possible effect of a carbon dioxide leak from an industrial sub-sea floor storage facility, utilised for Carbon Capture and Storage, is that escaping carbon dioxide gas will dissolve in sediment pore waters and reduce their pH. To quantify the scale and duration of such an impact, a novel, field scale experiment was conducted, whereby carbon dioxide gas was injected into unconsolidated sub-sea floor sediments for a sustained period of 37 days. During this time pore water pH in shallow sediment (5 mm depth) above the leak dropped >0.8 unit, relative to a reference zone that was unaffected by the carbon dioxide. After the gas release was stopped, the pore water pH returned to normal background values within a three-week recovery period. Further, the total mass of carbon dioxide dissolved within the sediment pore fluids above the release zone was modelled by the difference in DIC between the reference and release zones. Results showed that between 14 and 63% of the carbon dioxide released during the experiment could remain in the dissolved phase within the sediment pore water. This is a publication in QICS Special Issue - International Journal of Greenhouse Gas Control, Peter Taylor et. al. Doi:10.1016/j.ijggc.2014.09.006.
 
Citation proposal
(2014) . QICS Paper: Impact and recovery of pH in marine sediments subject to a temporary carbon dioxide leak. https://metadata.bgs.ac.uk/geonetwork/srv/api/records/1711c01e-1491-2f57-e054-002128a47908

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Date ( Publication )
2014-10-01
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http://data.bgs.ac.uk/id/dataHolding/13606642

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GEMET - INSPIRE themes
  • Geology
BGS Thesaurus of Geosciences
  • Carbon capture and storage
Keywords
  • NERC_DDC
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The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.
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English English
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  • Geoscientific information

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Published as an open access journal article Doi:10.1016/j.ijggc.2014.09.006  

Published as an open access journal article Doi:10.1016/j.ijggc.2014.09.006

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http://www.bgs.ac.uk/ukccs/accessions/index.html#item78156  
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nonGeographicDataset Non geographic dataset
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non geographic dataset

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2011
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See the referenced specification
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false

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2010-12-08
Explanation
See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF
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false
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See the journal publication for details

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1711c01e-1491-2f57-e054-002128a47908   XML
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English English
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nonGeographicDataset Non geographic dataset
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non geographic dataset
Date stamp
2021-08-02
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2.3

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http://data.bgs.ac.uk/id/dataHolding/13606642
 
 

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