期刊
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
卷 132, 期 2-3, 页码 253-267出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0377-0273(03)00349-4
关键词
lava; simulation; Cellular Automata; hazard
Cellular Automata (CA), a paradigm of parallel computing, represent an alternative to differential equations for modelling and simulating very complex phenomena, whose evolution is based on local interactions of their constituent parts. A CA model for lava flow simulations, SCIARA ('Simulation by Cellular Interactive Automata of the Rheology of Aetnean lava flows') was developed and improved according to an empirical CA method for simulating macroscopic phenomena. Its last version, SCIARA-hex1, was applied to the 1991 lava flow of the 1991-1993 eruption of Etna. The simulation results are satisfying within limits to forecast the lava flow path. It was also applied during the eruption of Etna in the summer of 2001, when a new eruption threatened the town of Nicolosi. This 'real time' application proved that SCIARA is a reliable and flexible tool for forecasting lava flow paths and for assessing hazard in the Etnean area. (C) 2003 Elsevier B.V. All rights reserved.
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