Journal article
Bayesian belief modeling of climate change impacts for informing regional adaptation options
Environmental Modelling and Software, Vol.44, pp.113-121
2013
Abstract
A sequential approach to combining two established modeling techniques (systems thinking and Bayesian Belief Networks; BBNs) was developed and applied to climate change adaptation research within the South East Queensland Climate Adaptation Research Initiative (SEQ-CARI). Six participatory workshops involving 66 stakeholders based within SEQ produced six system conceptualizations and 22 alpha-level BBNs. The outcomes of the initial systems modeling exercise successfully allowed the selection of critical determinants of key response variables for in depth analysis within more homogeneous, sector-based groups of participants. Using two cases, this article focuses on the processes and methodological issues relating to the use of the BBN modeling technique when the data are based on expert opinion. The study expected to find both generic and specific determinants of adaptive capacity based on the perceptions of the stakeholders involved. While generic determinants were found (e.g. funding and awareness levels), sensitivity analysis identified the importance of pragmatic, context-based determinants, which also had methodological implications. The article raises questions about the most appropriate scale at which the methodology applied can be used to identify useful generic determinants of adaptive capacity when, at the scale used, the most useful determinants were sector-specific. Comparisons between individual BBN conditional probabilities identified diverging and converging beliefs, and that the sensitivity of response variables to direct descendant nodes was not always perceived consistently. It was often the accompanying narrative that provided important contextual information that explained observed differences, highlighting the benefits of using critical narrative with modeling tools.
Details
- Title
- Bayesian belief modeling of climate change impacts for informing regional adaptation options
- Authors
- Russell Richards (Author) - University of the Sunshine Coast - Faculty of Arts and BusinessMarcelo Sano (Author) - University of the Sunshine Coast - Faculty of Arts and BusinessAnne H Roiko (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringR W (Bill) Carter (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and EngineeringMarcus P Bussey (Author) - University of the Sunshine Coast - Faculty of Arts and BusinessJulie M Matthews (Author) - University of the Sunshine Coast - Faculty of Arts and BusinessTimothy F Smith (Author) - University of the Sunshine Coast - Faculty of Arts and Business
- Publication details
- Environmental Modelling and Software, Vol.44, pp.113-121
- Publisher
- Pergamon
- DOI
- 10.1016/j.envsoft.2012.07.008
- ISSN
- 1364-8152
- Organisation Unit
- School of Social Sciences - Legacy; University of the Sunshine Coast, Queensland; Sustainability Research Centre; School of Law and Society; Engage Research Lab
- Language
- English
- Record Identifier
- 99450044802621
- Output Type
- Journal article
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