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Towards a coherent philosophy for environmental modelling.

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>8/10/2002
<mark>Journal</mark>Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Issue number2026
Number of pages20
Pages (from-to)2465-2484
<mark>Original language</mark>English


The predominant philosophy underlying most environmental modelling is a form of pragmatic realism. The limitations of this approach in practical applications are discussed, in particular, in relation to questions of scale, nonlinearity, and uniqueness of place. A new approach arising out of the concept of equifinality of models (structures and parameter sets) in application is outlined in the form of an uncertain “landscape space” to model space mapping. The possibility of hypothesis testing within this framework is proposed as a means of refining the mapping, with a focus on the differentiation of function within the model space. The approach combines elements of instrumentalism, relativism, Bayesianism and pragmatism while allowing the realist stance that underlies much of the practice of environmental modelling as a fundamental aim. It may be an interim philosophy that is awaiting developments in measurement technique to allow further refinement, but allows some coherent guidance about how to be specific in presenting predictions to end-users.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Proceedings of the Royal Society A, 458 (2026), 2002, © The Royal Society.