Numerical approaches towards life cycle interpretation five examples |
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Authors: | Reinout Heijungs René Kleijn |
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Institution: | (1) Present address: Centre of Environmental Science, Leiden University, P.O. Box 9518, NL-2300 RA Leiden, The Netherlands |
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Abstract: | The ISO-standard for LCA distinguishes four phases, of which the last one, the interpretation, is the least elaborated. It
can be regarded as containing procedural steps (like a completeness check) as well as numerical steps (like a sensitivity
check). This paper provides five examples of techniques that can be used for the numerical steps. These are the contribution
analysis, the perturbation analysis, the uncertainty analysis, the comparative analysis, and the discernibility analysis.
All five techniques are described at a non-technical level with respect to basic concept, possibilities, tabular and graphical
representation, restriction and warnings, and all are illustrated with a simple example. |
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Keywords: | Comparative analysis contribution analysis discernibility analysis life cycle interpretation perturbation analysis sensitivity analysis statistical techniques uncertainty analysis |
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