Dynamic fugacity model for accidental oil release during Arctic shipping

Mawuli Afenyo, Faisal Khan, Brian Veitch, Ming Yang

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Improved understanding of ecological risk associated with Arctic shipping would help advance effective oil spill prevention, control, and mitigation strategies. Ecological risk assessment involves analysis of a release (oil), its fate, and dispersion, and the exposure and intake of the contaminant to different receptors. Exposure analysis is a key step of the detailed ecological risk assessment, which involves the evaluation of the concentration and persistence of released pollutants in the media of contact. In the present study, a multimedia fate and transport model is presented, which is developed using a fugacity-based approach. This model considers four media: air, water, sediment, and ice. The output of the model is the concentration of oil (surrogate hydrocarbons-naphthalene) in these four media, which constitutes the potential exposure to receptors. The concentration profiles can subsequently be used to estimate ecological risk thereby providing guidance to policies for Arctic shipping operations, ship design, and ecological response measures.

Original languageEnglish
Pages (from-to)347-353
Number of pages7
JournalMarine Pollution Bulletin
Volume111
Issue number1-2
DOIs
Publication statusPublished - Oct 15 2016
Externally publishedYes

Keywords

  • Exposure analysis
  • Fugacity
  • Multimedia modeling
  • Risk assessment

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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