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Persistent URL http://purl.org/net/epubs/work/40228
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Record Id 40228
Title Modelling depth-integrated pollution dispersion in the Gulf of Thermaikos using a Lagrangian particle technique
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Abstract A two-dimensional Lagrangian particle technique is described for simulating depth-integrated contaminant dispersion in well-mixed estuaries and coastal seas. The governing advection-diffusion equation is first rearranged into a Fokker- Planck expression, allowing the implementation of a consistent random-walk method for simulating spatially variable diffusion. The paper then describes a novel particle-tracking algorithm that can be used with arbitrary non-orthogonal boundary-fitted coordinate systems. The Lagrangian particle approach is perfectly conservative and completely free from numerical diffusion. In addition, this method is able to preserve steep concentration fronts allowing accurate modelling of point sources of pollution. The capabilities of the numerical model are demonstrated by simulating wind-induced circulation and pollutant transport within the Gulf of Thermaikos, a semi-enclosed bay close to the City of Thessaloniki in northern Greece.
Organisation CCLRC , CSE , CSE-CEG
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article WIT Transactions on Ecology and the Environment 80 (2005): 173-184. https://www.witpr…environment/80/14531 2005
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