الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
The aim of this work is to carry out in depth study of several oil pollution spill accidents in preparation for development of an upgraded oil spill contingency plan by using a physical-mathematical model. The present study includes the following issues: a survey of oil spills and models‚ environmental impacts ‚ clean up techniques and prevention of oil spill. The software program structure and model algorithms‚ is designed to provide the spill cleanup community with response – oriented answers to questions regarding the behavior of weathering oil and its mass balance at sea. The requirement of input information should be include physical and chemical properties of crude oil and petroleum products‚ which determine the environmental behavior and fate of spilled oil. two actual case studies in the region of Ataqa - Suez and Red Sea- Egypt have been presented and RPS ASA OILMAP7 Oil Spill Trajectory model is applied to predict ‚ evaporation‚ dispersant‚ skimmer and remaining percentages of oil also‚ a study is carried out on the effect of the quantity of oil released ‚response time ‚ environmental conditions (Wind speed ‚ temperature of water) ‚ and percent of slick sprayed on the outputs to develop a contingency plan. An oil spill contingency plan is required for successful combating operation to marine oil spills. The success of combat depends on the rapid response from the time of the oil spill reported until it has been fully combated. The concepts of oil spill contingency planning refers to several activities for creating an immediate response programs such as detection‚ assessment and evaluation ‚ management‚ and clean-up .there were all discussed and elaborated . The main conclusion is the compatibility of the results obtained from the model with the actual combat in these accidents. The main recommendation is that‚ an early warning system for accidents of oil spill must be established to accelerate response and reduce negative impacts. A contingency plan for protection of sensitive coastal areas and combat oil spills must be established ‚ approved and update periodically.