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Dive into the research topics where James S. Risbey is active.

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Featured researches published by James S. Risbey.


Risk Analysis | 2005

Combining Quantitative and Qualitative Measures of Uncertainty in Model Based Environmental Assessment. The NUSAP System.

Jeroen P. van der Sluijs; Matthieu Craye; Silvio Funtowicz; Penny Kloprogge; Jerry Ravetz; James S. Risbey

This article discusses recent experiences with the Numeral Unit Spread Assessment Pedigree (NUSAP) system for multidimensional uncertainty assessment, based on four case studies that vary in complexity. We show that the NUSAP method is applicable not only to relatively simple calculation schemes but also to complex models in a meaningful way and that NUSAP is useful to assess not only parameter uncertainty but also (model) assumptions. A diagnostic diagram can be used to synthesize results of quantitative analysis of parameter sensitivity and qualitative review (pedigree analysis) of parameter strength. It provides an analytic tool to prioritize uncertainties according to quantitative and qualitative insights in the limitations of available knowledge. We show that extension of the pedigree scheme to include societal dimensions of uncertainty, such as problem framing and value-laden assumptions, further promotes reflexivity and collective learning. When used in a deliberative setting, NUSAP pedigree assessment has the potential to foster a deeper social debate and a negotiated management of complex environmental problems.


Hermes | 2012

Établir la qualité des preuves pour les situations de décision complexes et controversées

Jeroen P. van der Sluijs; Arthur C. Petersen; Peter Janssen; James S. Risbey; Jerome R. Ravetz

Les decisions politiques sur les risques environnementaux complexes font frequemment intervenir des elements scientifiques contestes. Il n’y a generalement pas de « faits » qui conduisent a une politique correcte unique. Les elements de preuve qui sont integres dans les avis scientifiques destines a une decision politique necessitent une evaluation de leur qualite. En 2003, l’Agence neerlandaise d’evaluation environnementale a adopte une methode standardisee, designee sous le nom de « guide », dans le cadre de laquelle les principaux aspects de la production et de l’utilisation des connaissances sont presentes grâce a une liste de controle visant a l’evaluation et a la communication des incertitudes. Dans cet article, nous presentons des resultats de l’application de ce guide a la controverse sur les risques des particules en suspension. La deliberation active sur l’incertitude dans un contexte d’expertise entraine un processus d’apprentissage commun entre les experts et les decideurs politiques, ce qui conduit a une meilleure prise de conscience du phenomene d’incertitude et de ses implications politiques.


Global Environmental Change-human and Policy Dimensions | 2005

On the role of climate scenarios for adaptation planning

Suraje Dessai; Xianfu Lu; James S. Risbey


Comptes Rendus Geoscience | 2005

Representing and communicating deep uncertainty in climate-change assessments

James S. Risbey; Suraje Dessai


Water Science and Technology | 2005

A guidance for assessing and communicating uncertainties

Peter Janssen; Arthur C. Petersen; J.P. van der Sluijs; James S. Risbey; Jerry Ravetz


Energy for Sustainable Development | 2003

RIVM/MNP Guidance for Uncertainty Assessment and Communication: Detailed Guidance

Jeroen P. van der Sluijs; James S. Risbey; Penny Kloprogge; Jerome R. Ravetz; Silvio Funtowicz; Serafin Corral Quintana; Angela Guimaraes Pereira; Bruna de Marchi; Arthur C. Petersen; Peter Janssen; Rob Hoppe; Simone W.F. Huijs


Environmental Modeling & Assessment | 2005

Application of a Checklist for Quality Assistance in Environmental Modelling to an Energy Model.

James S. Risbey; Jeroen P. van der Sluijs; Penny Kloprogge; Jerry Ravetz; Silvio Funtowicz; Serafin Corral Quintana


Water Science and Technology | 2005

Experiences with the NUSAP system for multidimensional uncertainty assessment

J.P. van der Sluijs; Matthieu Craye; Silvio Funtowicz; Penny Kloprogge; Jerry Ravetz; James S. Risbey


Environmental Monitoring and Assessment | 2005

Uncertainty Assessment of Voc Emissions from Paint in the Netherlands Using the Nusap System

Jeroen P. van der Sluijs; James S. Risbey; Jerry Ravetz


Archive | 2004

Towards Guidance in Assessing and Communicating Uncertainties

Peter Janssen; Arthur C. Petersen; Jeroen P. van der Sluijs; James S. Risbey; Jerome R. Ravetz

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Peter Janssen

Netherlands Environmental Assessment Agency

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Jerry Ravetz

United Nations Economic Commission for Latin America and the Caribbean

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