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The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Articles | Volume XLIII-B2-2022
https://doi.org/10.5194/isprs-archives-XLIII-B2-2022-1109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/isprs-archives-XLIII-B2-2022-1109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
30 May 2022
| 30 May 2022
EVALUATION OF UAV-BORNE PHOTOGRAMMETRY AND LASER SCANNING FOR 3D TOPOGRAPHIC CHANGE ANALYSIS AT AN ACTIVE ROCK GLACIER
3D Geospatial Data Processing Group, Institute of Geography, Heidelberg University, Germany
L. Winiwarter
3D Geospatial Data Processing Group, Institute of Geography, Heidelberg University, Germany
K. Anders
3D Geospatial Data Processing Group, Institute of Geography, Heidelberg University, Germany
M. Bremer
Institute of Geography, University of Innsbruck, Austria
Institute of Interdisciplinary Mountain Research, Austrian Academy of Science, Austria
M. Rutzinger
Institute of Geography, University of Innsbruck, Austria
M. Potůčková
Department of Applied Geoinformatics and Cartography, Charles University Prague, Czech Republic
3D Geospatial Data Processing Group, Institute of Geography, Heidelberg University, Germany
Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University, Germany
Heidelberg Center for the Environment (HCE), Heidelberg University, Germany
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Short summary
Short summary
In this work, we use 3D point clouds to detect topographic changes across the surface of a rock glacier. These changes are presented as the relative contribution of surface change during a 3-week period to the annual surface change. By comparing these different time periods and looking at change in different directions, we provide estimates showing that different directions of surface change are dominant at different times of the year. This demonstrates the benefit of frequent monitoring.
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