Articles | Volume 16, issue 23
https://doi.org/10.5194/gmd-16-7059-2023
https://doi.org/10.5194/gmd-16-7059-2023
Methods for assessment of models
 | 
05 Dec 2023
Methods for assessment of models |  | 05 Dec 2023

An emulation-based approach for interrogating reactive transport models

Angus Fotherby, Harold J. Bradbury, Jennifer L. Druhan, and Alexandra V. Turchyn

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Cited articles

Abd, A. S. and Abushaikha, A. S.: Reactive transport in porous media: a review of recent mathematical efforts in modeling geochemical reactions in petroleum subsurface reservoirs, SN Appl. Sci., 3, 401, https://doi.org/10.1007/s42452-021-04396-9, 2021. 
Ahmmed, B., Mudunuru, M. K., Karra, S., James, S. C., and Vesselinov, V. V.: A comparative study of machine learning models for predicting the state of reactive mixing, J. Comput. Phys., 432, 110147, https://doi.org/10.1016/j.jcp.2021.110147, 2021. 
Anderson, R. T., Vrionis, H. A., Ortiz-Bernad, I., Resch, C. T., Long, P. E., Dayvault, R., Karp, K., Marutzky, S., Metzler, D. R., Peacock, A., White, D. C., Lowe, M., and Lovley, D. R.: Stimulating the In Situ Activity of Geobacter Species To Remove Uranium from the Groundwater of a Uranium-Contaminated Aquifer, Applied and Environmental Microbiology, 69, 5884–5891, https://doi.org/10.1128/AEM.69.10.5884-5891.2003, 2003. 
Arora, B., Dwivedi, D., Faybishenko, B., Wainwright, H. M., and Jana, R. B.: 10. Understanding and Predicting Vadose Zone Processes, in: Reviews in Mineralogy & Geochemistry, vol. 85, edited by: Druhan, J. L. and Tournassat, C., De Gruyter, 303–328, https://doi.org/10.1515/9781501512001-011, 2020. 
Bain, J. G., Blowes, D. W., Robertson, W. D., and Frind, E. O.: Modelling of sulfide oxidation with reactive transport at a mine drainage site, J. Contam. Hydrol., 41, 23–47, https://doi.org/10.1016/S0169-7722(99)00069-8, 2000. 
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Short summary
We demonstrate how, given a simulation of fluid and rock interacting, we can emulate the system using machine learning. This means that, for a given initial condition, we can predict the final state, avoiding the simulation step once the model has been trained. We present a workflow for applying this approach to any fluidrock simulation and showcase two applications to different fluidrock simulations. This approach has applications for improving model development and sensitivity analyses.
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