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Integrative Application of Traditional and Cutting-Edge Techniques to Reconstruct Holocene Earth Surface Processes and Landscape Dynamics - A Case Study from the Northern German Lowland

  • This study outlines the opportunities to reconstruct Holocene landscape dynamics in active opencast lignite mines in southern Brandenburg (Germany). Studies on extensive outcrops that address geomorphology, pedology and archaeology provide unique insights into human-induced environmental changes. Our approach uses a variety of traditional and cutting-edge techniques to characterize small-scale landforms (high-resolution DEMs by micro-drone and LiDAR), to analyze soils and substrate properties in the field (GPR, ERT, geomagnetics, Field Portable XRF and XRD) and to provide chronological information (OSL, 14C, tree-ring dating). This approach is combined with a GIS for data integration. We present the most recent results and review important findings from the last several years. Studies conducted in the opencast mines focus on soil development and Late Quaternary geomorphodynamics and as well as past land use and the legacy of agriculture and woodland use. Our results regarding the human-induced geomorphodynamics are similar to thoseThis study outlines the opportunities to reconstruct Holocene landscape dynamics in active opencast lignite mines in southern Brandenburg (Germany). Studies on extensive outcrops that address geomorphology, pedology and archaeology provide unique insights into human-induced environmental changes. Our approach uses a variety of traditional and cutting-edge techniques to characterize small-scale landforms (high-resolution DEMs by micro-drone and LiDAR), to analyze soils and substrate properties in the field (GPR, ERT, geomagnetics, Field Portable XRF and XRD) and to provide chronological information (OSL, 14C, tree-ring dating). This approach is combined with a GIS for data integration. We present the most recent results and review important findings from the last several years. Studies conducted in the opencast mines focus on soil development and Late Quaternary geomorphodynamics and as well as past land use and the legacy of agriculture and woodland use. Our results regarding the human-induced geomorphodynamics are similar to those in other regions in Central Europe, but we also observe regional differences caused by the local setting, e.g., intensification of soil erosion coinciding with the expansion of farming of cultivated lands in the Slavic Middle Ages. By analyzing LiDAR data the largest area of historical charcoal production in the Northern European Lowland (NEL) has been revealed. We are clearly only beginning to understand the massive dimensions of charcoal production in the region and the impact on late Holocene geomorphodynamics. The usage of new high-resolution imagery is essential to identify small-scale anthropogenic landforms hidden in the landscape. Future work will consist of developing and improving our integrative approach. However, comprehensive ground truth data provided by the archaeological prospections in the open-cast mines are an excellent basis for GIS-based analyses of high-resolution ALS data and geomorphological research.show moreshow less

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Metadaten
Author: Thomas RaabORCiDGND, Alexandra RaabORCiD, Melanie Takla, Alexander NicolayORCiD, Florian HirschORCiD, Anna SchneiderORCiDGND, Horst Rösler
URL:http://www.mineralogicalassociation.ca/doc/2015_Joint_Assembly_Abstract_Proceedings.pdf
Title of the source (English):AGU Joint Assembly, Montreal, 2015, abstracts listing
Document Type:Conference Proceeding
Language:English
Year of publication:2015
First Page:135
Last Page:136
Comment:
ES33A-01
Faculty/Chair:Fakultät 2 Umwelt und Naturwissenschaften / FG Geopedologie und Landschaftsentwicklung
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