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Executive management engineering plans for comparison with tsunami damage
Mojtaba Zoljoodi1, Reyhane Zoljoodi *2
1- atmospheric sience meteorological research center (ASMERC)
2- Industrial Engineering, University of Tehran
Abstract:   (81 Views)
A tsunami is a sea wave of local or distant origin that results from large-scale seafloor displacements associated with strong earthquakes, major submarine slides, or exploding volcanic islands. A tsunami can strike any coast at any time and we cannot predict exactly when or where they will occur. Undersea earthquakes most often cause tsunamis but submarine landslides or volcanic eruptions can also cause them. A tsunami can move as fast as a jet plane across the Open Ocean and can hit land with waves as high as 20 meters or more. The water may wash inland for several kilometers in flat lying areas, and can move up streams and rivers, destroying everything in its path. Waves may continue to strike the shoreline for many hours, and dangerous currents can continue for days following the event. Coastal areas endure   Clear changes in response to ocean changes. The tsunami and tropical storms are among those changes. These changes should be note, Failure to pay attention to them makes opportunities become a threat. Tropical storms are one of the most dangerous hazards. In the first table some costs are mentioned.
When a tropical storm occurs, the water level along the waves in the sea changes. In these storms, strong winds are generated that revolve around a central core.it can move from ocean to coastal areas. The Makran seduction is due to the mountain range from Iran to Pakistan. The most important of these are Taftan and Bazman in Iran and Sultan in Pakistan. In hence The coastal area and sea play an important role in the development of country. Tropical storms and tsunamis are one of the most destructive phenomena in the world.it occurred in1945 in Iran, Mokran. The reason for this phenomenon was the large earthquake of 8.25 on the Mokran fault. This tsunami caused a lot of damage That killed more than 4,000 people in Pakistan. Tropical storms are important phenomena in the ocean area. The proper investment in different sectors and special attention to marine hazards and tsunami and also implementation of prevention plans are so necessary. Coastal areas influence economy by the knowledge of the potential of energy, transport, fisheries and tourism in addition to their political, strategic and social importance in the countrychr('39')s economy. Some plans are designed to reduce costs. Some of these programs are for training and some are to prevent damage. Financial limitation causes the need of prioritizing plans based on the knowledge of economical engineering in different periods of time. . In this case we present a modeling for prioritizing plans in order to  Reduce the amount of Economical  losses .with use NPV index to do the task .we have to calculate the amount of cost reduction for each plan. To find the extent of the damage reduction, 100 experts and organizations are surveyed and the results are estimated and then the cost of implementation of plans was found.
Historical accounts describe an earthquake and tsunami on 21 July AD 365 that destroyed cities and drowned thousands of people in coastal regions from the Nile Delta to modern-day Dubrovnik. The location and tectonic setting of this earthquake have been uncertain until now. 
Keywords: |costal area|engineering|NPV|tsunami|tropical storm ,
Full-Text [PDF 302 kb]   (23 Downloads)    
Type of Study: Applicable | Subject: Coastal Engineering
Received: 2020/05/6 | Accepted: 2020/08/16
References
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