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A quick-look method for initial evaluation of gas hydrate stability below subaqueous permafrost

A quick-look method for initial evaluation of gas hydrate stability below subaqueous permafrost
A quick-look method for initial evaluation of gas hydrate stability below subaqueous permafrost
Many studies demonstrated the coexistence of subaqueous permafrost and gas hydrate. Subaqueous permafrost could be a factor affecting the formation/dissociation of gas hydrate. Here, we propose a simple empirical approach that allows estimating the steady-state conditions for gas hydrate stability in the presence of subaqueous permafrost. This approach was derived for pressure, temperature, and salinity conditions typical of subaqueous permafrost in marine (brine) and lacustrine (freshwater) environments.
Gas hydrate, Modeling, Subaqueous permafrost
2076-3263
Tinivella, Umberta
5e53ed76-7821-4ad9-9afb-96b4f728f787
Giustiniani, Michela
ec0161c0-0df5-4c3c-ab8b-38b7c5a3556e
Marín-moreno, Héctor
e466cafd-bd5c-47a1-8522-e6938e7086a4
Tinivella, Umberta
5e53ed76-7821-4ad9-9afb-96b4f728f787
Giustiniani, Michela
ec0161c0-0df5-4c3c-ab8b-38b7c5a3556e
Marín-moreno, Héctor
e466cafd-bd5c-47a1-8522-e6938e7086a4

Tinivella, Umberta, Giustiniani, Michela and Marín-moreno, Héctor (2019) A quick-look method for initial evaluation of gas hydrate stability below subaqueous permafrost. Geosciences, 9 (8), [329]. (doi:10.3390/geosciences9080329).

Record type: Article

Abstract

Many studies demonstrated the coexistence of subaqueous permafrost and gas hydrate. Subaqueous permafrost could be a factor affecting the formation/dissociation of gas hydrate. Here, we propose a simple empirical approach that allows estimating the steady-state conditions for gas hydrate stability in the presence of subaqueous permafrost. This approach was derived for pressure, temperature, and salinity conditions typical of subaqueous permafrost in marine (brine) and lacustrine (freshwater) environments.

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Accepted/In Press date: 23 July 2019
Published date: 26 July 2019
Additional Information: Funding Information: Funding: This research was partially supported by (I) the Italian Ministry of Education, Universities and Research (Decreto MIUR No. 631 dd. 8 August 2016) under the extraordinary contribution for Italian participation in activities related to the international infrastructure PRACE—The Partnership for Advanced Computing in Europe (www.prace‐ri.eu) and (2) TALENTS FVG Programme Activity 1‐Incoming Mobility Scheme‐European Social Fund, Operational Programme 2007–2013, Objective 2 Regional Competitiveness and Employment, Axis 5 Transnational cooperation (decision n. 7629 of 26/11/2013). Funding Information: This research was partially supported by (I) the Italian Ministry of Education, Universities and Research (Decreto MIUR No. 631 dd. 8 August 2016) under the extraordinary contribution for Italian participation in activities related to the international infrastructure PRACE—The Partnership for Advanced Computing in Europe (www.prace-ri.eu) and (2) TALENTS FVG Programme Activity 1-Incoming Mobility Scheme-European Social Fund, Operational Programme 2007–2013, Objective 2 Regional Competitiveness and Employment, Axis 5 Transnational cooperation (decision n. 7629 of 26/11/2013).
Keywords: Gas hydrate, Modeling, Subaqueous permafrost

Identifiers

Local EPrints ID: 433578
URI: http://eprints.soton.ac.uk/id/eprint/433578
ISSN: 2076-3263
PURE UUID: 92df6f2c-739a-4f7f-a60c-1b5d2780c67f
ORCID for Héctor Marín-moreno: ORCID iD orcid.org/0000-0002-3412-1359

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Date deposited: 28 Aug 2019 16:30
Last modified: 06 Jun 2024 02:16

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Contributors

Author: Umberta Tinivella
Author: Michela Giustiniani
Author: Héctor Marín-moreno ORCID iD

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