THE ALGORITHM FOR MODELING OF EMERGENCY OIL SPILLS IN GEOGRAPHIC INFORMATION SYSTEM TECHNOLOGY
The issues of the behavior of oil pollution in marine areas during accidental spills are investigated. As a result of analysis mathematical models of the spreading of oil spills in water surfaces, an algorithm for calculating pollution parameters was developed, taking into account the characteristics of spreading and movement of an oil spill. The each area of the oil spill is considered to be a spreading ellipse, elongated in the direction of flow. The model for determining the area of oil pollution and visualizing the calculation results on a map has been built in Model Builder to automate the calculation algorithm. The water area of the Gulf of Finland was chosen as the object of study. The analysis of the simulation results on the characteristics of the oil spill and weather conditions was completed. The model adequacy was assessed and the dependence of the reliability of the simulation results on the mass of the spill, flow parameters and time after the spill was investigated. On the basis of the ArcGIS for Desktop GIS a project for modeling oil spills has been implemented. Based on the calculation results, thematic maps of hydrocarbon pollution in the waters of the Gulf of Finland were constructed.
Authors: N. I. Kurakina, A. V. Agadilov
Direction: Informatics, Computer Technologies And Control
Keywords: Oil pollution, emergency oil spill, modeling, GIS
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