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Ranking contaminated sites using a partial ordering method.

Trine S Jensen1, Dorte B Lerche, Peter B Sørensen

  • 1National Environmental Research Institute, Department of Policy Analysis, Frederiksborgvej 399, 4000 Roskilde, Denmark. tsj@dmu.dk

Environmental Toxicology and Chemistry
|April 11, 2003
PubMed
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This study ranks contaminated sites using partial ordering, avoiding parameter weighting. Results show ranking methods significantly impact outcomes, highlighting key environmental hazard parameters.

Area of Science:

  • Environmental Science
  • Risk Assessment
  • Data Analysis

Background:

  • Ranking contaminated sites is crucial for environmental management.
  • Existing index functions may involve subjective parameter weighting.
  • A need exists for objective, transparent site ranking methodologies.

Purpose of the Study:

  • To apply and evaluate the partial ordering method for ranking contaminated sites.
  • To compare partial ordering results with a traditional index function.
  • To analyze the influence of different parameters on site ranking.

Main Methods:

  • Partial ordering applied to rank 74 contaminated sites in West Zealand, Denmark.
  • Hasse diagram technique used for graphical representation and interpretation.

Related Experiment Videos

  • Comparative analysis with the county's existing index function.

    • Main Results:

    • Partial ordering provides a parameter-separated ranking without subjective weighting.
    • Significant discrepancies observed between partial ordering and index function rankings.
    • Parameter influence analysis identified two high, two medium, and two low-influence parameters.

    Conclusions:

    • Partial ordering offers a robust alternative for contaminated site ranking.
    • The choice of scoring and index functions critically affects ranking outcomes.
    • Understanding parameter influence is key to accurate environmental hazard assessment.