Abstract:
:Oil spilled on a sea surface can be dispersed by a variety of natural processes, of which the influence of breaking waves is dominant. Breaking waves are able to split the slick into small droplets, facilitating oil mixing in the water column. Vertical dynamics of the droplets plays a major role in the oil mass exchange between the slick and the water column. In this paper a mathematical model of oil droplet mixing by breaking waves is developed. The model uses a kinetic approach to describe the vertical exchange of the droplets at the interface between the slick and the water column. The majority of the coefficients and parameters are conveniently combined into a single "mixing factor". The model is verified using sensitivity analysis and empirical formulae of other authors. The model permits a rapid estimation of the amount of dispersed oil under the breaking waves. The ultimate goal of the research is to parameterise influence of breaking waves on vertical mixing of oil droplets to be used in a general 3-D oil spill model.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Tkalich P,Chan ESdoi
10.1016/s0025-326x(02)00178-9subject
Has Abstractpub_date
2002-11-01 00:00:00pages
1219-29issue
11eissn
0025-326Xissn
1879-3363pii
S0025-326X(02)00178-9journal_volume
44pub_type
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