Geomorphological Mapping, Volume 15 - 1st EditionThe paper presents an example of using photographs taken by unmanned aerial vehicles UAV and processed using the structure from motion SfM procedure in a geomorphological study of rock relief. Second, to test if the proposed combination of UAV and SfM methods may be helpful in recognizing the detailed structure of granite tors. As a result of conducted UAV flights and digital image post-processing in AgiSoft software, it was possible to obtain datasets dense point cloud, texture model, orthophotomap, bare-ground-type digital terrain model—DTM which allowed to visualize in detail the surface of the study area. In consequence, it was possible to distinguish even the very small forms of rock surface microrelief: joints, aplite veins, rills and karren, weathering pits, etc. Among characteristic elements of granite landscapes are isolated solid rock residuals known as tors. These structural conditions have long been surveyed through traditional geological and geomorphological mapping, occasionally aided by interpretation of aerial photographs where the absence of vegetation allowed one to do this. Fieldwork is usually based on ground-level observations, including geological compass measurements.
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Careers in Saddle 49 38 The legend is dominated by the same concept of morphogenetic areas Posea, Popescu. Scale Fig.In the meantime, geology? About this article. Following a historical overview of trends in field-based geomorphological m. Close banner Close.
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Evolution and Trends 33 H! Combe, tors or rock cities. Initial sculptural g oscillating stone 40g surfaces 31 h erratic blocks This combination is especially recommended for areas with numerous rock outcrops, anticlinal terraces the geological fund is listed as 24a-e 16 buttonhole 5 Holes in the model result from the lack of data ground points under forest undergrowth.