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Harmonization of methods for impact assessment.

¹CML (Centre of Environmental Science, Leiden University), P.O. Box 9518, 2300, RA Leiden, The Netherlands.

Environmental Science and Pollution Research International

|November 16, 2013

Summary

This summary is machine-generated.

Environmental decision support techniques like risk assessment (RA) and life-cycle assessment (LCA) can be harmonized. Most impact assessment models are applicable to both continuous emission fluxes and discrete emission pulses, simplifying environmental decision-making.

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Area of Science:

Environmental Science
Environmental Management
Decision Support Systems

Background:

Environmental decision support tools, including risk assessment (RA) and life-cycle assessment (LCA), are crucial for informed environmental management.
A need exists for coherent frameworks, common datasets, and harmonized methodologies to improve the efficacy and comparability of these techniques.

Purpose of the Study:

To discuss the harmonization of environmental decision support techniques, specifically risk assessment (RA) and life-cycle assessment (LCA).
To explore the applicability of impact assessment models across different emission assessment approaches (continuous fluxes vs. discrete pulses).

Main Methods:

Comparative analysis of risk assessment (RA) and life-cycle assessment (LCA) methodologies.
Evaluation of impact assessment models for their suitability in both flux-oriented and pulse-oriented techniques.
Discussion on the implications of model harmonization for environmental decision support.

Main Results:

A fundamental difference exists between continuous emission flux assessment (RA) and discrete emission pulse assessment (LCA).
Most impact assessment models can be applied to both continuous and discrete emission scenarios, enabling harmonization.
Steady-state models can be utilized in pulse-oriented techniques, and equivalency factors for LCA can be established.

Conclusions:

Harmonization of environmental decision support techniques like RA and LCA is feasible through the application of common impact assessment models.
The findings facilitate the use of simpler steady-state models and the development of equivalency factors, enhancing efficiency in environmental analysis.
This harmonization promotes more consistent and robust environmental decision-making across different assessment paradigms.