The Analysis Of Volcanic-Ash-Deposition Damage Using Spatial-Information-Based Volcanic Ash Damage Sector And Volcanic Ash Diffusion Simulation Of Mt. Aso Volcano Eruption Scenario
KOREAN JOURNAL OF REMOTE SENSING(2019)
Abstract
Estimating damage in each sector that can be caused by volcanic ash deposition, is very important to prepare the volcanic ash disaster. In this study, we showed predicted-Korean-volcanic-ash damage of each sector by using volcanic ash diffusion simulation and spatial-data-based volcanic ash damage sector in previous study. To this end, volcanic ash related base maps were generated by collecting and processing spatial information data. Finally, we showed Korean-volcanic-ash-deposition damages by sector using the collected Mt. Aso volcanic ash scenarios via overlapping analysis. As a result, volcanic-ash-related damages were expected to occur in the 162 and 134 districts for each Aso volcanic ash scenarios, since those districts exceeds the minimum volcanic ash damage criterion of 0.01 mm. Finally, we compared possible volcanic ash damages by sectors using collected and processed spatial data, after selecting administrative districts (Scenario 190805-Kangwon-do, Kyungsangbuk-do; Scenario 190811-Chuncheon-si, Hongcheon-si) with the largest amount of volcanic ash deposition.
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Key words
Volcanic Ash, Volcanic Ash Damage, Spatial data
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