Modelling Flood Incursion and Coastal Erosion using Cellular Automata Simulations

Ken A. Hawick


Soil erosion, Water incursion, Flooding, Beach area transport, Emergence


Coastal flooding and associated land erosion are important environmental issues that are difficult to model for large scale systems. Cellular automaton models are attractive as computational simple and inexpensive individual cell calculations can be scaled up to model relatively large area models. We explore combinations of diffusional and injective cellular automaton models for water/land incursion and erosion problems. The Kawasaki site exchange automaton and the Invasion Percolation models form the basis of our hybrid automaton model. We explore some quantitative statistical metrics and discuss development directions of a hybrid model that supports both steady erosion as well as rapid water incursion and soil/land removal.

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