Our new concept of the Weichselian ice dynamics in the south-western sector of the Baltic Sea depression is based on existing geochronological data from Germany, Denmark and southernmost Sweden, as well as new data from north-east Germany. Previous models are mainly based on the reconstruction of morphologically continuous ice-marginal positions, whereas our model shows a strong lobate and variable character of ice advances. We strongly suggest an age- and process-based approach in the future.
Christopher Lüthgens, Daniela Sauer, Michael Zech, Becky Briant, Eleanor Brown, Elisabeth Dietze, Markus Fuchs, Nicole Klasen, Sven Lukas, Jan-Hendrik May, Julia Meister, Tony Reimann, Gilles Rixhon, Zsófia Ruszkiczay-Rüdiger, Bernhard Salcher, Tobias Sprafke, Ingmar Unkel, Hans von Suchodoletz, and Christian Zeeden
Kees Nooren, Wim Z. Hoek, Tim Winkels, Annika Huizinga, Hans Van der Plicht, Remke L. Van Dam, Sytze Van Heteren, Manfred J. Van Bergen, Maarten A. Prins, Tony Reimann, Jakob Wallinga, Kim M. Cohen, Philip Minderhoud, and Hans Middelkoop
We demonstrate that the world's largest beach-ridge plain in southern Mexico was formed under an ample long-term fluvial sediment supply. The beach-ridge elevation is strongly influenced by aeolian accretion during the time when the ridge is located next to the beach. The beach-ridge elevation is negatively correlated with the progradation rate, which we relate to the variability in sediment supply to the coastal zone, reflecting decadal-scale precipitation changes within the river catchment.
Philipp Hoelzmann, Torsten Klein, Frank Kutz, and Brigitta Schütt
Geosci. Instrum. Method. Data Syst., 6, 93–101, https://doi.org/10.5194/gi-6-93-2017,https://doi.org/10.5194/gi-6-93-2017, 2017
This paper introduces a hands-on, low-cost device (German industrial property right no. 20 2014 106 048.0) that uses common adapters to mount p-ED-XRF devices so that these can provide bulk-sedimentary chemistry data from non-destructive measurements at the surface of a split sediment core or from other solid samples. The strength of combining p-ED-XRF analyses with this new sample chamber is demonstrated by exemplary sediment cores from an archaeological research project.
This study combined fieldwork, geochronology and modelling to get a better understanding of Arctic soil development on a landscape scale. Main processes are aeolian deposition, physical and chemical weathering and silt translocation. Discrepancies between model results and field observations showed that soil and landscape development is not as straightforward as we hypothesized. Interactions between landscape processes and soil processes have resulted in a complex soil pattern in the landscape.
The contribution highlights the use of Landsat archive data (1985–2019) for the detection of surface anomalies potentially related to buried near-surface paleogeomorphological deposits in the Nile Delta (Egypt). The analyses of selected spectral-temporal metrics showed several anomalies in the immediate surroundings of Pleistocene sand hills (geziras) and settlement mounds (tells) of the eastern Delta, which allowed mapping of the potential near-surface continuation.
Dominik Faust, Sebastian Kreutzer, Yesmine Trigui, Maximilian Pachtmann, Georg Mettig, Moncef Bouaziz, Jose Manuel Recio Espejo, Fernando Diaz del Olmo, Christoph Schmidt, Tobias Lauer, Zeljko Rezek, Alexander Fülling, and Sascha Meszner
Max Engel, Stefanie Rückmann, Philipp Drechsler, Dominik Brill, Stephan Opitz, Jörg W. Fassbinder, Anna Pint, Kim Peis, Dennis Wolf, Christoph Gerber, Kristina Pfeiffer, Ricardo Eichmann, and Helmut Brückner
This study combines geomorphological–hydrological analyses with the distribution of archaeological sites and obsidian raw material outcrops within the catchment of the Bisare River, Mt Damota, and Mt Sodicho (southwestern Ethiopian Highlands). The current highly dynamic hydrological system, strong recent sediment erosion, and increased human impact lead to land degradation, resulting in exposure of lithic raw material outcrops and destruction of archaeological material.
It was possible to define the turning point from extremely clayey and organic- rich sedimentation in the Early and Middle Holocene towards the deposition of coarser-grained and less organic overbank fines in the lower Pleiße valley near Leipzig, NW Saxony. This change occurred between 4000 and 3300 BCE more than 1000 years after the beginning of Early Neolithic settlement and was obviously linked with land clearance by the first farmers.
This study investigates Neolithic settlement dynamics by combining archaeological source criticism and archaeopedological data from colluvial deposits. It is shown that the distribution of Neolithic sites in the Baar region is distorted by superimposition due to erosion. Furthermore, the preservation conditions for pottery are limited by weathering effects. By complementing archaeological data with phases of colluviation we are able to point out settlement dynamics throughout the Neolithic.
Soils are an important source of geoarchaeological information. The archaeological soil archive is extremely endangered by intensive agriculture. Different approaches for problem-solving strategies that derive from daily practice in cultural heritage management are described.
This case study provides a reconstruction of settlement and land-use history since the 13th century CE in a small valley in the Ore Mountains (Saxony). Archaeological evidence shows settlement activities with a strong building and mining activities that also triggered local soil erosion. After the abandonment of the site in the middle of the 15th century CE and a reafforestation, later land use in the area occurred in the form of charcoal production.
Provided here are novel data concerning site formation processes and Middle Palaeolithic human presence at Cotencher cave (Switzerland). A local glaciation around 70 ka was followed by ice-free conditions, when artefacts and faunal remains were displaced by solifluction processes. Evidence of local glacier development around 36 ka is also presented. This interdisciplinary study contributes new elements for the understanding of climatic changes and human passage in the central Jura Mountains.
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