A. Omran, D. Schröder, C. Sommer, V. Hochschild, Michael Märker
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A GIS-based simulation and visualization tool for the assessment of gully erosion processes
Gully erosion is known to affect soil productivity, limit land use, and to pose threats on infrastructure in many parts of the world. Gully erosion has been largely neglected because it is di�cult to model and visualize its effects. Many gullies grow rapidly to large sizes, making effective control technically di�cult and often too expensive. To assess the susceptibility of soils and substrates to gully erosion, the triggering factors must be identi�ed and analyzed. For this study, a simulation of gully development over time was implemented in Python based on the topographic characteristics of the test watershed, soil properties, and measured runoff. The full simulation GIS was tested on a gully in the KwaThunzi region, South Africa. The results are very promising and allow a 2D/3D visualization of the time series of gully evolution.
期刊介绍:
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.