Bayesian-information-gap decision theory with an application to CO2 sequestration

O'Malley, D.; Vesselinov, V. V.

doi:10.1002/2015WR017413

Title: Bayesian-information-gap decision theory with an application to CO₂ sequestration

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Abstract

Decisions related to subsurface engineering problems such as groundwater management, fossil fuel production, and geologic carbon sequestration are frequently challenging because of an overabundance of uncertainties (related to conceptualizations, parameters, observations, etc.). Because of the importance of these problems to agriculture, energy, and the climate (respectively), good decisions that are scientifically defensible must be made despite the uncertainties. We describe a general approach to making decisions for challenging problems such as these in the presence of severe uncertainties that combines probabilistic and non-probabilistic methods. The approach uses Bayesian sampling to assess parametric uncertainty and Information-Gap Decision Theory (IGDT) to address model inadequacy. The combined approach also resolves an issue that frequently arises when applying Bayesian methods to real-world engineering problems related to the enumeration of possible outcomes. In the case of zero non-probabilistic uncertainty, the method reduces to a Bayesian method. Lastly, to illustrate the approach, we apply it to a site-selection decision for geologic CO₂ sequestration.

Authors:

O'Malley, D. ^[1]; Vesselinov, V. V. ^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: Fri Sep 04 00:00:00 EDT 2015

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1236708

Report Number(s):: LA-UR-15-22958
Journal ID: ISSN 0043-1397

Grant/Contract Number:: AC52-06NA25396

Resource Type:: Accepted Manuscript

Journal Name:: Water Resources Research

Additional Journal Information:: Journal Volume: 51; Journal Issue: 9; Journal ID: ISSN 0043-1397

Publisher:: American Geophysical Union (AGU)

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES

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                    O'Malley, D., and Vesselinov, V. V. Bayesian-information-gap decision theory with an application to CO2 sequestration.  United States: N. p., 2015. 
Web.  doi:10.1002/2015WR017413.

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                    O'Malley, D., & Vesselinov, V. V. Bayesian-information-gap decision theory with an application to CO2 sequestration.  United States.  https://doi.org/10.1002/2015WR017413

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                    O'Malley, D., and Vesselinov, V. V. Fri .  
"Bayesian-information-gap decision theory with an application to CO2 sequestration".  United States.  https://doi.org/10.1002/2015WR017413.  https://www.osti.gov/servlets/purl/1236708.

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@article{osti_1236708,

  title        = {Bayesian-information-gap decision theory with an application to CO2 sequestration},

  author       = {O'Malley, D. and Vesselinov, V. V.},

  abstractNote = {Decisions related to subsurface engineering problems such as groundwater management, fossil fuel production, and geologic carbon sequestration are frequently challenging because of an overabundance of uncertainties (related to conceptualizations, parameters, observations, etc.). Because of the importance of these problems to agriculture, energy, and the climate (respectively), good decisions that are scientifically defensible must be made despite the uncertainties. We describe a general approach to making decisions for challenging problems such as these in the presence of severe uncertainties that combines probabilistic and non-probabilistic methods. The approach uses Bayesian sampling to assess parametric uncertainty and Information-Gap Decision Theory (IGDT) to address model inadequacy. The combined approach also resolves an issue that frequently arises when applying Bayesian methods to real-world engineering problems related to the enumeration of possible outcomes. In the case of zero non-probabilistic uncertainty, the method reduces to a Bayesian method. Lastly, to illustrate the approach, we apply it to a site-selection decision for geologic CO2 sequestration.},

  doi          = {10.1002/2015WR017413},

  journal      = {Water Resources Research},

  number       = 9,

  volume       = 51,

  place        = {United States},

  year         = {Fri Sep 04 00:00:00 EDT 2015},

  month        = {Fri Sep 04 00:00:00 EDT 2015}

}

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Title: Bayesian-information-gap decision theory with an application to CO2 sequestration

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Title: Bayesian-information-gap decision theory with an application to CO₂ sequestration