The development of remote sensing methods, computers and spatial data processing software has also affected the field of geomorphology. All three allow for faster analysis of larger amounts of data, but not more accurate. The reason for this is the poor mathematical definition of some geomorphological forms. The research focuses on the delimitation of karst depressions. For this purpose, we have developed a new approach that analyzes its half-sections when determining the edge of a depression and also effectively detects the edges of depressions on slopes. The method allows obtaining more accurate morphographic and morphometric data on depressions. The method was developed and tested on five depressions of the Podgrajsko podolje (SW Slovenia), and the results were compared with the results of a method that uses hydrological modeling to delimit the depressions. We observe a significant improvement in the results obtained with the new method.
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