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Keywords:

  • model evaluation;
  • uncertainty analysis;
  • sensitivity analysis;
  • identifiability;
  • parameter estimation;
  • Bayesian networks

[1] This paper reviews concepts for evaluating integrated environmental models and discusses a list of relevant software-based tools. A simplified taxonomy for sources of uncertainty and a glossary of key terms with “standard” definitions are provided in the context of integrated approaches to environmental assessment. These constructs provide a reference point for cataloging 65 different model evaluation tools. Each tool is described briefly (in the auxiliary material) and is categorized for applicability across seven thematic model evaluation methods. Ratings for citation count and software availability are also provided, and a companion Web site containing download links for tool software is introduced. The paper concludes by reviewing strategies for tool interoperability and offers guidance for both practitioners and tool developers.