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Articles | Volume 10, issue 6
Articles | Volume 10, issue 6
https://doi.org/10.5194/se-10-2103-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-10-2103-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 6
Research article
 | 
03 Dec 2019
Research article |  | 03 Dec 2019

The effect of effective rock viscosity on 2-D magmatic porosity waves

Janik Dohmen, Harro Schmeling, and Jan Philipp Kruse

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Short summary
In source regions of magmatic systems the temperature is above solidus and melt ascent is assumed to occur predominantly by two-phase flow. This two-phase flow allows for the emergence of solitary porosity waves. By now most solutions of these waves used strongly simplified viscosity laws, while in our laws the viscosity decreases rapidly for small melt fractions. The results show that for higher background porosities the phase velocities and the width of the wave are significantly decreased.
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