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Integrating Stakeholder Imagination With Scientific Theory: A Case Study Of Lake Lanier, Usa, O. O. Osidele, M. B. Beck
Integrating Stakeholder Imagination With Scientific Theory: A Case Study Of Lake Lanier, Usa, O. O. Osidele, M. B. Beck
International Congress on Environmental Modelling and Software
We present a framework for computational analysis of reachable futures, centred on the analysisof uncertainty, in which stakeholder participation is integral to generating environmental foresight. In ourcase study, we examine the long-term ecological behaviour of Lake Lanier, Georgia, south-eastern USA. Weelicit stakeholders' fears and desires for the future state of the reservoir during a foresight workshop session,from which we encode long-term behaviour definitions (scenarios) for the analysis. A generalised ecologicalmodel provides the mechanism for propagating a set of uncertain input factors – namely, process parameters,initial conditions, and forcing functions – into the future. We employ three sampling-based methods foridentifying and …
Application Of A Checklist For Quality Assistance In Environmental Modelling To An Energy Model, James Risbey, Jeroen Van Der Sluijs, Penny Kloprogge, Jerry Ravetz, Silvio Funtowicz, S.C. Quintana
Application Of A Checklist For Quality Assistance In Environmental Modelling To An Energy Model, James Risbey, Jeroen Van Der Sluijs, Penny Kloprogge, Jerry Ravetz, Silvio Funtowicz, S.C. Quintana
International Congress on Environmental Modelling and Software
Large, complex energy models present considerable challenges to develop and test. Uncertainty assessments of such models provide only partial guidance on the quality of the results. We have developed a model quality assistance checklist to aid in this purpose. The checklist is applied to an energy model for the problem of assessing energy use and greenhouse gas emissions. Use of the checklist suggests that results on this issue are contingent on a number of assumptions that are highly value-laden. When these assumptions are held fixed, the model is deemed capable of producing moderately robust results of relevance to climate policy …
Using Hydrothermal Time Concepts To Model Seed Germination Response To Temperature Dormancy Loss And Priming Effects In Elymus Elymoides, Phil S. Allen, Susan E. Meyer, Susan B. Debaene-Gill
Using Hydrothermal Time Concepts To Model Seed Germination Response To Temperature Dormancy Loss And Priming Effects In Elymus Elymoides, Phil S. Allen, Susan E. Meyer, Susan B. Debaene-Gill
Faculty Publications
Hydrothermal time (HTT) describes progress toward seed germination under various combinations of incubation water potential (Ψ) and temperature (T). To examine changes in HTT parameters during dormancy loss, seeds from two populations of the bunchgrass Elymus elymoides were incubated under seven temperature regimes following dry storage at 10, 20 and 30 °C for intervals from 0 to 16 weeks. Fully after-ripened seeds were primed for 1 week at a range of s. Data on germination rate during priming were used to obtain a HTT equation for each seed population, while data obtained following transfer to water were used to calculate …