Found 81 datasets

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Die Prospektion des steinzeitlichen Fundplatzes auf der Flur Ginsterfeld in Overath

Resümee. Bei Prospektionen auf der Flur Overath-Ginsterfeld im Frühjahr 2014 wurden fast fünfhundert Funde eingemessen. Etwa ein Drittel davon gehört in die Steinzeit. Die mittelsteinzeitlichen Funde können wahrscheinlich der Rhein-Maas-Schelde-Kultur des älteren Mittelmesolithikums, Phase A, zugeordnet werden (7600–6500 v. Chr.), die jungsteinzeitlichen entstammen dem Jung- bis Spätneolithikum (3800–2800 v. Chr.). Unter den mehr als einhundert Felsgesteingeräten sind viele Schleifwerkzeuge und...
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Zur prähistorischen Nutzung der Burghöhle Dietfurt

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Loess in the foothills of the western Carpathians and its importance for paleoenvironmental reconstruction towards the Carpathian Basin

The CRC 806 „Our way to Europe“ focuses on the first arrival and dispersal of anatomically modern humans (AMH) from Africa to Europe. Within the second phase of this project, a subproject investigates the eastern trajectory of AMH dispersal through the Levant and Balkan Peninsula. Special attention is given to the Carpathian Basin and the surrounding foothills of the Carpathian Mountains. To this date, most Paleolithic sites in this region have been found in the foothills. To test the hypothesis whether...
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Techno-typology, demography, and environment in Europe during the Last Glacial Maximum

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Digital image analysis of outcropping sediments: Comparison to photospectrometric data from Quaternary loess deposits at Şanoviţa (Romania) and Achenheim (France) doi

The possibility to use colour data, as extracted from two selected loess-paleosol sequences, is discussed here. Colour data are a fast and inexpensive method of proxy data generation. We compare the outcome from analysing outcrop images taken by digital cameras in the field and spectral colour data as determined under controlled laboratory conditions. By nature, differences can be expected due to variations in illumination, moisture, and sample preparation. Outcrop inclination may be an issue for...
Keywords: GQT2
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Supplementary R script for manuscript 'Digital image analysis of outcropping sediments: comparison to photospectrometric data from Quaternary Loess deposits at Sanovita (Romania) and Achenheim (France)' SFB806 doi

Supplementary R script for a manuscript. The script facilitates automatic drawing of a representative outcrop from colour data (L*, a*, b*).
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OSL characteristics from central European loess - Exploratory data analysis using the R package ‘Luminescence’

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Die Eben-Zone: Fingerabdruck des ausklingenen Last Glacial Maximum am Niederrhein?

Für die Untersuchung quartärer Sedimente ist die Lumineszenzdatierung die wichtigste Methodik, um geowissenschaftliche Befunde mit einer verlässlichen Chronologie auszustatten. Verbesserte Messprotokolle und statistische Verfahren erhöhen zunehmend die Präzision der errechneten Alter. In Kombination mit sedimentologischen und geochemischen Methoden lassen sich umfassende Modelle zur Genese der Landschaft mit der Zeit formulieren. Darüber hinaus bieten sie die Möglichkeit die Ergebnisse und Probleme der...
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Neue Ansätze zur Auswertung und Interpretation von Korngrößendaten

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Environmental Conditions during the Last Glacial Cycle in the Northern Harz Foreland

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Inverse modelling of systematic and random uncertainty of luminescence data: Applying Bayesian statistics on luminescence data

Bayesian statistics for higher precision luminescence ages requires separation of uncertainty into random and systematic parts. Here we introduce an inverse modelling approach to estimate a probability density function of the two uncertainty parts, based on published datasets. Each input dataset is tested for their random and systematic uncertainty, which explains reported ages and their number of inversions best. Each set of dates comprises a particular number of age inversions, which are assumed to be the...
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Integrating age information from different localities for stratigraphic marker beds: discussion of the Eltville tephra age (Western Europe)

Stratigraphic marker beds are often used in geosciences for regional and global correlation. For various reasons dating those layers directly proves to be difficult sometimes. In such cases ages from above and below such a horizon represent minimum- and maximum-ages. If these ages are determined from more than one location, it is possible to combine these ages, test their consistency and finally derive an age in agreement with the findings from most localities. Several approaches to integrate the age...
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