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Modelling chance and necessity in natural systems ArchiMer
Planque, Benjamin; Mullon, Christian.
Nearly 30 years ago, emerged the concept of deterministic chaos. With it came sensitivity to initial conditions, nonlinearities, and strange attractors. This constituted a paradigm shift that profoundly altered how numerical modellers approached dynamic systems. It also provided an opportunity to resolve a situation of mutual misunderstanding between scientists and non-scientists about uncertainties and predictability in natural systems. Our proposition is that this issue can be addressed in an original way which involves modelling based on the principles of chance and necessity (CaN). We outline the conceptual and mathematical principles of CaN models and present an application of the model to the Barents Sea food-web. Because CaN models rely on concepts...
Tipo: Text Palavras-chave: Chaos theory; Constraints; Nonlinear systems; Participatory modelling; Uncertainty; Viability theory.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00585/69686/67759.pdf
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An Implementable Index of Sustainability and Assessment of Energy Policy AgEcon
Sesmero, Juan P.; Fulginiti, Lilyan E..
Energy is a critical input in production and the main sources of energy in modern economies are exhaustible. Therefore sustaining aggregate consumption across generations requires reduction of the quantity of energy used per unit of output. Energy policies incentivize the deployment of new technologies that will not only increase energy efficiency but also impact the ease with which capital and materials can substitute for energy and hence the ability of societies to sustain consumption. Therefore an assessment of the impact of energy policies on sustainable consumption requires accounting for the link between technological progress and substitutability. We first allow for biased technical change and find that capital augmenting technical change (e.g....
Tipo: Conference Paper or Presentation Palavras-chave: Non-renewable energy; Sustainability; Viability theory; Biased technical change; Resource /Energy Economics and Policy.
Ano: 2010 URL: http://purl.umn.edu/61637
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