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ASSESSING THE AREAS WITH HIGHER PROBABILITY OF BEING AFFECTED BY CONTAMINATION RELEASE, CASE STUDY: PERSIAN GULF

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Year: 2018
COI code: ICOPMAS13_112
Paper Language: English

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Authors ASSESSING THE AREAS WITH HIGHER PROBABILITY OF BEING AFFECTED BY CONTAMINATION RELEASE, CASE STUDY: PERSIAN GULF

Seyedeh Maryam Tabatabaee Samimi - stitute of Geophysics, Tehran University, Tehran, Iran
Sarmad Ghader - nstitute of Geophysics, Tehran University, Tehran, Iran
Abbasali Aliakbari Bidokhti - nstitute of Geophysics, Tehran University, Tehran, Iran
Abbas Haghshenas - nstitute of Geophysics, Tehran University, Tehran, Iran

Abstract:

Coastal and marine areas which are habitats for some of the richest but sensitive flora and fauna, are usually not only highly populated but also under increasinganthropogenic pressure in all parts of the world. In order to preserve and conserve these valuable ecosystems, environmental protection should be every government spriority. The ability to predict the path of the pollutants is the key aspect that may assist in controlling/managing the marine pollution problem in case of accidents associatedwith the release of pollutants. The study area (Figure 1) includes the Persian Gulf, located in Southwest Asia. This gulf is an extension of the Indian Ocean located between Iran and the Arabian Peninsula. There are intense shipping activities in the Persian Gulf, which include massive transport of oil and chemical contaminants. This shows the significance of conducting such a study in this region. We are interested in finding the areas of the gulf that have higher probability of being affected by contamination after an accident or as a result of a continuous release.The release may occur during neap or spring tide. Furthermore, two different wind conditions have also been considered: calm and northwest wind.2. MethodologyIn this paper we have employed DHI-Mike Software in order to track the pathways of pollutant particles released into this marine environment.The method consists of the following steps: (1) velocity field of the sea area obtained from Mike21-FM1 (2) Lagrangian trajectories of selected particles in theuppermost layer of the sea. This hydrodynamic model performs integration of the continuity equation and the horizontal momentum equations over depth h=d+η, namely the following twodimensional shallow water equations 3. Results and discussion Figure 2 shows the result of the tracking pollutants near Bushehr area after one year. The path of the released pollutants from Bushehr power plant seems to move along the coast, oscillating in the east–west direction with tides. After reaching Damigaz port, part of it extends to thesouthern part of the gulf entering an anticyclonic circulation. The movement of the particles is obviously influenced by wind conditions and the tidal state when the releaseoccurs. Results in Figure 3 indicate that the areas more affected by contamination are located along the coast of Bushehr province. The areas located between Jainak and Ameriports are more exposed to contamination than other parts. Such prediction can be useful in any future control of possible accidental release of contaminants in this area. 4. References [1] Periáñez, R. (2005). Modelling the dispersion of radionuclides in the marine environment. Springer-Verlag Berlin Heidelberg [2] Breton, M., & Salomon, J. C. (1995). A 2D long term advection dispersion model for the Channel and Southern North Sea. Part A: validation through comparison with artificial radionuclides. Journal of Marine Systems, 6, 495-513. [3] MIKE Powered by DHI. (2014). Hydrodynamic and Transport Module: Scientific documentation. [4] MIKE Powered by DHI. (2014). Particle Tracking Module: Scientific documentation

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Tabatabaee Samimi, Seyedeh Maryam; Sarmad Ghader; Abbasali Aliakbari Bidokhti & Abbas Haghshenas, 2018, ASSESSING THE AREAS WITH HIGHER PROBABILITY OF BEING AFFECTED BY CONTAMINATION RELEASE, CASE STUDY: PERSIAN GULF, 13th International Conference on Coasts, Ports and Marine Structures, تهران, سازمان بنادر و دريانوردي, https://www.civilica.com/Paper-ICOPMAS13-ICOPMAS13_112.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tabatabaee Samimi, Seyedeh Maryam; Sarmad Ghader; Abbasali Aliakbari Bidokhti & Abbas Haghshenas, 2018)
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