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Representing uncertainty in climate change scenarios: a Monte-Carlo approach

Representing uncertainty in climate change scenarios: a Monte-Carlo approach Climate change impact assessment is subject to a range of uncertainties due to both incomplete and unknowable knowledge. This paper presents an approach to quantifying some of these uncertainties within a probabilistic framework. A hierarchical impact model is developed that addresses uncertainty about future greenhouse gas emissions, the climate sensitivity, and limitations and unpredictability in general circulation models. The hierarchical model is used in Bayesian Monte-Carlo simulations to define posterior probability distributions for changes in seasonal-mean temperature and precipitation over the United Kingdom that are conditional on prior distributions for the model parameters. The application of this approach to an impact model is demonstrated using a hydrological example. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Integrated Assessment Springer Journals

Representing uncertainty in climate change scenarios: a Monte-Carlo approach

Integrated Assessment , Volume 1 (3) – Oct 15, 2004

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References (32)

Publisher
Springer Journals
Copyright
Copyright © 2000 by Kluwer Academic Publishers
Subject
Environment; Ecotoxicology
ISSN
1389-5176
eISSN
1573-1545
DOI
10.1023/A:1019144202120
Publisher site
See Article on Publisher Site

Abstract

Climate change impact assessment is subject to a range of uncertainties due to both incomplete and unknowable knowledge. This paper presents an approach to quantifying some of these uncertainties within a probabilistic framework. A hierarchical impact model is developed that addresses uncertainty about future greenhouse gas emissions, the climate sensitivity, and limitations and unpredictability in general circulation models. The hierarchical model is used in Bayesian Monte-Carlo simulations to define posterior probability distributions for changes in seasonal-mean temperature and precipitation over the United Kingdom that are conditional on prior distributions for the model parameters. The application of this approach to an impact model is demonstrated using a hydrological example.

Journal

Integrated AssessmentSpringer Journals

Published: Oct 15, 2004

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