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Solid Earth An interactive open-access journal of the European Geosciences Union
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Sediments containing hydrates dispersed in the pore space show a characteristic seismic anomaly: a high attenuation along with increasing seismic velocities. Recent major findings from synchrotron experiments revealed the systematic presence of thin water films between quartz and gas hydrate. Our numerical studies support earlier speculation that squirt flow causes high attenuation at seismic frequencies but are based on a conceptual model different to those previously considered.
Articles | Volume 9, issue 3
Solid Earth, 9, 699–711, 2018
https://doi.org/10.5194/se-9-699-2018
Solid Earth, 9, 699–711, 2018
https://doi.org/10.5194/se-9-699-2018

Research article 30 May 2018

Research article | 30 May 2018

Squirt flow due to interfacial water films in hydrate bearing sediments

Kathleen Sell et al.

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Cited articles

Adelinet, M., Fortin, J., Guéguen, Y., Schubnel, A., and Geoffroy, L.: Frequency and fluid effects on elastic properties of basalt: Experimental investigations, Geophys. Res. Lett., 37, L02303, https://doi.org/10.1029/2009GL041660, 2010.
Bagherzadeh, S. A., Englezos, P., Alavi, S., and Ripmeester, J. A.: Molecular modeling of the dissociation of methane hydrate in contact with a silica surface, J. Phys. Chem. B, 116, 3188–3197, https://doi.org/10.1021/jp2086544, 2012.
Bai, D., Chen, G., Zhang, X., and Wang, W.: Microsecond molecular dynamics simulations of the kinetic pathways of gas hydrate formation from solid surfaces, Langmuir, 27, 5961–5967, https://doi.org/10.1021/la105088b, 2011.
Bass, J. D.: Elasticity of Minerals, Glasses and Melts, in: Mineral physics and crystallography: a handbook of physical constants, edited by: Ahrens, T. J., American Geophysical Union, Washington DC, USA, 45–63, 1995.
Bellefleur, G., Riedel, M., Brent, T., Wright, F., and Dallimore, S. R.: Implication of seismic attenuation for gas hydrate resource characterization, Mallik, Mackenzie Delta, Canada, J. Geophys. Res., 112, B10311, https://doi.org/10.1029/2007JB004976, 2007.
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Short summary
Sediments containing hydrates dispersed in the pore space show a characteristic seismic anomaly: a high attenuation along with increasing seismic velocities. Recent major findings from synchrotron experiments revealed the systematic presence of thin water films between quartz and gas hydrate. Our numerical studies support earlier speculation that squirt flow causes high attenuation at seismic frequencies but are based on a conceptual model different to those previously considered.
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