Abstract
CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials CR 40:249-260 (2009) - DOI: https://doi.org/10.3354/cr00833 Applying Bayesian modelling to assess climate change effects on biofuel production Camaren Peter1,*, Willem de Lange2, Josephine K. Musango2, Kurt April3, Anet Potgieter1 1Ndibano: Intelligence in Systems, 245 Private Bag X18, Rondebosch 7701, Cape Town, South Africa 2CSIR Natural Resources and the Environment, PO Box 320, Stellenbosch 7599, South Africa 3Graduate School of Business, University of Cape Town, Private Bag X3, Rondebosch 7701, Cape Town, South Africa *Email: camarenpeter@hotmail.com ABSTRACT: Socioeconomic and ecological systems exhibit complex, interdependent behaviour which is often difficult to model and understand. This is due to the complex reorganisation of key sub-system processes involving nonlinear, cross-scale and cross-sector interactions in real time. Hence, predictive models of complex social–ecological systems are often subject to large uncertainties. We propose an approach for evaluating land-use adaptations for biofuel production, using Bayesian networks and integrating research on the food, water and energy sectors. The approach is intended to facilitate interdisciplinary consideration of cross-scale and intersector dependencies. We applied this approach to 2 examples of land-use strategies and show how the resilience of a strategy that meets the new South African national biofuel production target can be assessed in relation to climate change. Cross-disciplinary consideration of variables may be enhanced through the sensitivity analysis enabled by Bayesian networks, which is used to conceptualise the conditional causal dependencies between subsystem variables. We formulate and run a national scale South African model which links the impacts of projected climate change effects in southern Africa to irrigated agriculture, water storage planning and biofuel production. We demonstrate how the approach can be used to evaluate land-use changes in different projected climate change scenarios and land-use combinations, and how conflicting demands between water, food and biofuel energy sources may be preliminarily identified and assessed in an integrated probabilistic framework. Evaluating this problem in the context of climate change and water-related limits to growth enables research to support integrated analysis and planning for biofuel production and development. KEY WORDS: Bayesian networks · Climate change · Biofuels · Land-use change · Resilience · Cross-sector analysis Full text in pdf format PreviousCite this article as: Peter C, de Lange W, Musango JK, April K, Potgieter A (2009) Applying Bayesian modelling to assess climate change effects on biofuel production. Clim Res 40:249-260. https://doi.org/10.3354/cr00833 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in CR Vol. 40, No. 2-3. Online publication date: December 10, 2009 Print ISSN: 0936-577X; Online ISSN: 1616-1572 Copyright © 2009 Inter-Research.
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