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Assessment of tsunami hazard for coastal areas of Shandong Province, China
Feng, Xingru1; Yin, Baoshu1,2,3; Gao, Song4; Wang, Peitao5; Bai, Tao4; Yang, Dezhou1,2
AbstractShandong province is located on the east coast of China and has a coastline of about 3100 km. There are only a few tsunami events recorded in the history of Shandong Province, but the tsunami hazard assessment is still necessary as the rapid economic development and increasing population of this area. The objective of this study was to evaluate the potential danger posed by tsunamis for Shandong Province. The numerical simulation method was adopted to assess the tsunami hazard for coastal areas of Shandong Province. The Cornell multi-grid coupled tsunami numerical model (COMCOT) was used and its efficacy was verified by comparison with three historical tsunami events. The simulated maximum tsunami wave height agreed well with the observational data. Based on previous studies and statistical analyses, multiple earthquake scenarios in eight seismic zones were designed, the magnitudes of which were set as the potential maximum values. Then, the tsunamis they induced were simulated using the COMCOT model to investigate their impact on the coastal areas of Shandong Province. The numerical results showed that the maximum tsunami wave height, which was caused by the earthquake scenario located in the sea area of the Mariana Islands, could reach up to 1.39 m off the eastern coast of Weihai city. The tsunamis from the seismic zones of the Bohai Sea, Okinawa Trough, and Manila Trench could also teach heights of >1 m in some areas, meaning that earthquakes in these zones should not be ignored. The inundation hazard was distributed primarily in some northern coastal areas near Yantai and southeastern coastal areas of Shandong Peninsula. When considering both the magnitude and arrival time of tsunamis, it is suggested that greater attention be paid to earthquakes that occur in the Bohai Sea. In conclusion, the tsunami hazard facing the coastal area of Shandong Province is not very Serious; however, disasters could occur if such events coincided with spring tides or other extreme oceanic conditions. The results of this study will be useful for the design of coastal engineering projects and the establishment of a tsunami warning system for Shandong Province. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordTsunami Hazard Earthquake Scenario Shandong Province Assessment Comcot Model Numerical Simulation
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WOS IDWOS:000392685300004
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci Technolgy, Funct Lab Ocean Dynam & Climate, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100081, Peoples R China
4.State Ocean Adm, North China Sea Marine Forecasting Ctr, Qingdao, Peoples R China
5.Natl Marine Environm Forecasting Ctr, Beijing 100081, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
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GB/T 7714
Feng, Xingru,Yin, Baoshu,Gao, Song,et al. Assessment of tsunami hazard for coastal areas of Shandong Province, China[J]. APPLIED OCEAN RESEARCH,2017,62:37-48.
APA Feng, Xingru,Yin, Baoshu,Gao, Song,Wang, Peitao,Bai, Tao,&Yang, Dezhou.(2017).Assessment of tsunami hazard for coastal areas of Shandong Province, China.APPLIED OCEAN RESEARCH,62,37-48.
MLA Feng, Xingru,et al."Assessment of tsunami hazard for coastal areas of Shandong Province, China".APPLIED OCEAN RESEARCH 62(2017):37-48.
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