Integrated Assessment Models of Global Change

Pierre Matarasso ()
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Pierre Matarasso: CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique

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Abstract: Integrated Assessment Models of Global Change (IAM) are computer models which integrate sets of equations describing the interwoven evolution of the different sub-systems making up the Earth system:-human production systems and their economic counterparts, including exchanges, financial and monetary issues;-coupled atmospheric and oceanic systems;-terrestrial and marine ecological systems.IAM are based on a detailed description of geodynamic and ecological phenomena involving general circulation models (GCM), atmospheric chemical models and ecological models. However, economic issues are central to the assessment, through the coupling of these natural science models with macroeconomic models.The goal of IAM is to produce a unified picture of climate change oriented towards the evaluation of the consequences of this phenomenon (negative and positive impacts), taking into account the driving forces behind climate change (demography, economy, development..), possible mitigation processes (nuclear and renewable energies, DSM, carbon capture and sequestration) and adaptation processes (changes in production methods in agriculture, protective infrastructures, etc.).

Keywords: climate change; integrated assessment; models; changement climatique; modélisation; modèle; évaluation intégrée (search for similar items in EconPapers)
Date: 2001
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Published in Encyclopedia of Global Environmental Change, 4, John Wiley, 2001

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