Tsunami Assessment and Evacuation Analysis Using Remote Sensing for Tianya District of Sanya City, China,Journal of Earthquake and Tsunami

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Tsunami Assessment and Evacuation Analysis Using Remote Sensing for Tianya District of Sanya City, China
Journal of Earthquake and Tsunami ( IF 1.5 ) Pub Date : 2019-06-11 , DOI: 10.1142/s1793431119410033
Jingming Hou _{1,

2} , Zhiyuan Ren ₁ , Peitao Wang _{1,

2} , Juncheng Wang ₁ , Yi Gao _{1,

2}

Affiliation

Tsunami is one of the world’s most dangerous marine disaster. In this paper, freely available remote sensing data are applied to study the hazard, vulnerability, and evacuation in the event that a tsunami strikes the district of Tianya in the city of Sanya. Tsunami inundation is calculated using a tsunami numerical model, and the tsunami vulnerability and evacuation in the inundation area are analyzed. Aster Global Digital Elevation Model elevation data are applied to provide input data for the tsunami numerical model and thus obtain tsunami inundation areas, while they are also used to study the surface slope for evacuation. Landsat satellite imagery is used to analyze land–water borders and land cover in both hazard assessment and evacuation analysis. Visible Infrared Imaging Radiometer Suite nighttime lights data provide information of the socioeconomic activity for vulnerability analysis. The analysis results show that the remote sensing data is suitable for tsunami assessment and evacuation analysis of China’s county-level region. We can get a general understanding about tsunami vulnerability and evacuation situation. One kind of remote sensing data can accomplish several tasks, avoiding the error caused by different source data. Remote sensing can play an important role in tsunami assessment.

更新日期：2019-06-11

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