Abstract
The topography of the Earth’s surface controls the flow of water and mass over the landscape. Modifications to the surface geometry of the land redirect water and mass flows influencing ecosystems, crop growth, the built environment, and many other phenomena dependent on water and soil. We used Tangible Landscape to explore the relationship between overland flow patterns and landscape topography by manually changing the landscape model while getting near real-time feedback about changing flow patterns. We coupled Tangible Landscape with a sophisticated dam break model to investigate flood scenarios after a dam breach.
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For a general case when m, n and resolution are not set to 1 see the erosion modeling tutorial: http://ncsu-osgeorel.github.io/erosion-modeling-tutorial/grassgis.html
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Petrasova, A., Harmon, B., Petras, V., Mitasova, H. (2015). Surface Water Flow and Soil Erosion Modeling. In: Tangible Modeling with Open Source GIS. Springer, Cham. https://doi.org/10.1007/978-3-319-25775-4_5
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DOI: https://doi.org/10.1007/978-3-319-25775-4_5
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