Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 15, issue 1
Articles | Volume 15, issue 1
https://doi.org/10.5194/gi-15-141-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-15-141-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 1
Research article
 | 
08 May 2026
Research article |  | 08 May 2026

Experimental analysis of Taylor bubble regimes using kymography: a tool for understanding bubble ascent dynamics in open-vent volcanic conduits

Hannah Calleja, Eric C. P. Breard, Tom D. Pering, Linda A. Kirstein, Ian B. Butler, and J. Godfrey Fitton

Data sets

Dataset for Calleja et al. "Experimental analysis of Taylor bubble regimes using kymography" Hannah Calleja https://doi.org/10.5281/zenodo.16037059

Model code and software

distortion_code [for Calleja et al. "Experimental analysis of Taylor bubble regimes using kymography"] Eric Breard https://doi.org/10.5281/zenodo.16038113

GVF-prediction_code [for Calleja et al. "Experimental analysis of Taylor bubble regimes using kymography"] Eric Breard https://doi.org/10.5281/zenodo.16109361

Video supplement

Sample experiment footage [for Calleja et al. "Experimental analysis of Taylor bubble regimes using kymography"] Hannah Calleja https://doi.org/10.5281/zenodo.16040076

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Short summary
Some volcanic eruptions are driven by huge gas pockets called Taylor bubbles. Volcanologists use experiments that replicate flow inside volcanic conduits to study these eruptions. We show for the first time that kymography can be used to effectively quantify key Taylor bubble flow features such as: gas volume fraction, gas and liquid slug velocities, bubble length and diameter, falling film thickness, bubble and coalescence event counts, and to indicate steady-state ascent.
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