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http://dx.doi.org/10.7854/JPSK.2017.26.1.93

Implementation of Lava Flow Simulation Program Using Cellular Automata  

Lee, Chung-Hwan (Department of Computer Science Engineering, Pusan National University)
Hong Lee, Dong-jin (Department of Computer Science Engineering, Pusan National University)
Cha, Eui-young (Department of Computer Science Engineering, Pusan National University)
Yun, Sung-Hyo (Department of Earth Science Education, Pusan National University)
Publication Information
The Journal of the Petrological Society of Korea / v.26, no.1, 2017 , pp. 93-98 More about this Journal
Abstract
In this paper, we propose a lava flow simulation program to predict the range of lava flows area and thickness of lava flows during volcanic eruptions. The map information is represented as a 'cell' with observed values per fixed area such as DEM and a lava flow prediction algorithm using a cellular automata model is performed to predict the flow of lava flows. To obtain quantitative data of lava flows, fluid properties of lava flows are defined as Bingham plastic fluid and derived equation is applied to the rules of cellular automata. To verify the program, we use a 30m resolution DEM provided by USGS. We compared simulation results with real lava flows for the Pu'u'O'o crater area in Hawaii, which has erupted since May 24, 2016.
Keywords
Simulation; Lava flow; Bingham plastic fluid; Cellular automata;
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