Abstract
ABSTRACT Spilled oil can interact with suspended particles (mineral or organic) in marine environments and form aggregates, including oil-mineral-aggregates (OMAs). Some OMAs with densities greater than seawater can settle to the seedbed and pose potential risks to benthic organisms. To understand the transport and fate of oil associated with OMAs and evaluate their potential risks, researchers recently developed an integrated hydrodynamic, fate/transport and risk assessment modeling system, and conducted several case studies. One of the limitations of these studies was the use of a conservative approach which neglected biodegradation processes. Although this approach is acceptable for the study of short term effects of settled oil, the long term effects cannot be studied. It is the objective of this paper to improve the existing modeling approach in order to simulate the long term fate/transport and potential risk of settled oil associated with OMAs. The improved approach used the DREAM model developed b...
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