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A novel sub-seabed CO2 release experiment informing monitoring and impact assessment for geological carbon storage

A novel sub-seabed CO2 release experiment informing monitoring and impact assessment for geological carbon storage
A novel sub-seabed CO2 release experiment informing monitoring and impact assessment for geological carbon storage
Carbon capture and storage is a mitigation strategy that can be used to aid the reduction of anthropogenic CO2 emissions. This process aims to capture CO2 from large point-source emitters and transport it to a long-term storage site. For much of Europe, these deep storage sites are anticipated to be sited below the sea bed on continental shelves. A key operational requirement is an understanding of best practice of monitoring for potential leakage and of the environmental impact that could result from a diffusive leak from a storage complex. Here we describe a controlled CO2 release experiment beneath the seabed, which overcomes the limitations of laboratory simulations and natural analogues. The complex processes involved in setting up the experimental facility and ensuring its successful operation are discussed, including site selection, permissions, communications and facility construction. The experimental design and observational strategy are reviewed with respect to scientific outcomes along with lessons learnt in order to facilitate any similar future.
Carbon capture storage, CO2 release, Ecosystem impacts, Climate change mitigation
1750-5836
3-17
Taylor, Peter
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Stahl, Henrik
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Vardy, Mark E.
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Bull, Jonathan M.
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Akhurst, Maxine
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Hauton, Chris
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James, Rachel H.
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Lichtschlag, Anna
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Long, Dave
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Aleynik, Dmitry
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Toberman, Matthew
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Naylor, Mark
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Connelly, Douglas
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Smith, Dave
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Sayer, Martin D.J.
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Widdicombe, Steve
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Wright, Ian C.
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Blackford, Jerry
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Taylor, Peter
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Stahl, Henrik
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Vardy, Mark E.
8dd019dc-e57d-4b49-8f23-0fa6d246e69d
Bull, Jonathan M.
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Akhurst, Maxine
e6b61c66-76bb-4ae9-9b47-30cba5e1d11b
Hauton, Chris
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James, Rachel H.
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Lichtschlag, Anna
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Long, Dave
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Aleynik, Dmitry
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Toberman, Matthew
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Naylor, Mark
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Connelly, Douglas
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Smith, Dave
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Sayer, Martin D.J.
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Widdicombe, Steve
a442eaf8-7580-4983-ad4c-dbf9f1359fa2
Wright, Ian C.
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Blackford, Jerry
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Taylor, Peter, Stahl, Henrik, Vardy, Mark E., Bull, Jonathan M., Akhurst, Maxine, Hauton, Chris, James, Rachel H., Lichtschlag, Anna, Long, Dave, Aleynik, Dmitry, Toberman, Matthew, Naylor, Mark, Connelly, Douglas, Smith, Dave, Sayer, Martin D.J., Widdicombe, Steve, Wright, Ian C. and Blackford, Jerry (2015) A novel sub-seabed CO2 release experiment informing monitoring and impact assessment for geological carbon storage. International Journal of Greenhouse Gas Control, 38, 3-17. (doi:10.1016/j.ijggc.2014.09.007).

Record type: Article

Abstract

Carbon capture and storage is a mitigation strategy that can be used to aid the reduction of anthropogenic CO2 emissions. This process aims to capture CO2 from large point-source emitters and transport it to a long-term storage site. For much of Europe, these deep storage sites are anticipated to be sited below the sea bed on continental shelves. A key operational requirement is an understanding of best practice of monitoring for potential leakage and of the environmental impact that could result from a diffusive leak from a storage complex. Here we describe a controlled CO2 release experiment beneath the seabed, which overcomes the limitations of laboratory simulations and natural analogues. The complex processes involved in setting up the experimental facility and ensuring its successful operation are discussed, including site selection, permissions, communications and facility construction. The experimental design and observational strategy are reviewed with respect to scientific outcomes along with lessons learnt in order to facilitate any similar future.

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More information

Accepted/In Press date: October 2014
Published date: July 2015
Keywords: Carbon capture storage, CO2 release, Ecosystem impacts, Climate change mitigation
Organisations: Geochemistry, Ocean and Earth Science, Marine Geoscience

Identifiers

Local EPrints ID: 370129
URI: http://eprints.soton.ac.uk/id/eprint/370129
ISSN: 1750-5836
PURE UUID: ca0978a3-33e8-438d-b8e8-77b7fd56c33f
ORCID for Chris Hauton: ORCID iD orcid.org/0000-0002-2313-4226

Catalogue record

Date deposited: 16 Oct 2014 08:36
Last modified: 12 Nov 2019 01:59

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