Luminescence Dating of Sediments

Lang, Andreas; Rieser, U.; Habermann, Jan; Wagner, Günther A.

doi:10.1007/s001140050543

Cited by 12 publications

(6 citation statements)

References 25 publications

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“…It points towards periglacial processes, like solifluction, occurring during the Late Glacial climatic deteriorations and causing the reworking of these sediments. Similar OSL ages were obtained on loess that has been reworked by solifluction at other sites in southern Germany (Lang et al, 1998). Reworking of the loess is further indicated by the occurrence of gravel-sized limestone and quartz grains in the sediment.…”

Section: Wallsupporting

confidence: 62%

“…Techniques for polymineral fine-grain fractions from such erosion- derived sediments were further developed and are now viewed as routine techniques Wagner, 1996, 1997). The first optical dating of solifluction layers was reported by Lang et al (1998) using the polymineral fine-grain fraction of the sediments. The procedures used for sample preparation, luminescence measurement, equivalent dose (D E ), and dose rate determination, and age calculation were reported in detail by .…”

Section: Chronometrymentioning

confidence: 99%

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Land degradation in Bronze Age Germany: Archaeological, pedological, and chronometrical evidence from a hilltop settlement on the Frauenberg, Niederbayern

Lang¹,

Niller²,

Rind³

2003

Geoarchaeology

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This paper examines the effects of early agriculture and land use in the vicinity of a Bronze Age fortress at Weltenburg, Germany. Sediments and soils found below archaeological structures are compared with sediments and soils surrounding these structures. A chronology is established using relative archaeological dating, 14 C dating of charcoal fragments, TL dating of heated objects, and OSL dating of sediments. Results demonstrate dramatic environmental changes that occurred as early as the Bronze Age. Erosion resulting from agriculture stripped away most Holocene soils and Pleistocene sediments, transforming the natural landscape into a severely degraded cultural landscape. Since the Bronze Age, only minor changes have occurred because agriculture is limited on the degraded soils and the clay-rich soil remnants are resistant to further erosion. ᭧

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Section: Wallsupporting

confidence: 62%

Section: Chronometrymentioning

confidence: 99%

Land degradation in Bronze Age Germany: Archaeological, pedological, and chronometrical evidence from a hilltop settlement on the Frauenberg, Niederbayern

Lang¹,

Niller²,

Rind³

2003

Geoarchaeology

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“…In many colluvial environments, however, this is not the case, because reworking of older colluvial sediments occurs. The time of reworking can, however, be estimated by optical dating techniques (Aitken, 1998;Lang et al, 1998). Lang and Hönscheidt (1999) have developed a cascade model of colluvium formation ( Figure 3b).…”

Section: Loess Hill-countrymentioning

confidence: 99%

Changes in sediment flux and storage within a fluvial system: some examples from the Rhine catchment

Lang

Bork

Mäckel

et al. 2003

Hydrological Processes

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151

101

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Abstract:The Rhine river system can look back on a long history of human impact. Whereas significant anthropogenic changes to the river channel started only 200 years ago, the impacts of land use have been felt for more than 7500 years. Here, we review results from several case studies and show how land-use change and climate impacts have transformed the fluvial system. We focus on changes in sediment delivery pathways and slope-channel coupling, and show that these vary in time and depend on the magnitude of a rainfall event. These changes must be accounted for when trying to use sediments as archives of land-use change and climatic impacts on fluvial systems. For example, human impact is recorded in slope deposits only as long as rainfall intensity and runoff generation do not exceed the threshold for gullying. Similarly, climatic impacts are only recorded in alluvium when both the landscape is rendered sensitive by human activities (e.g. deforestation) and rainfall thresholds for gullying are exceeded.

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“…Therefore, the Natural Normalization (NN) method was used in order to correct the OSL sensitivity variations of the grains and to avoid significant age underestimation (Stokes 1999). In some samples, paleodose values were obtained using the Single Aliquot Regeneration (SAR) method, which uses repeated measurements on a single sample (Lang et al 1998). Using these concentrations and Bell's equations (Aitken 1998), we determined the annual dose-rate of each sample, which is also listed in Tables I and II. The cosmic ray contribution was virtually calculated for the study area (Engenheiro Sérgio Motta Dam at Porto Primavera), and a value of 174.22 μGy/yr was found (Sallun et al 2007c) using the Prescott and Stephan (1982) protocol.…”

Section: Methodsmentioning

confidence: 99%

Quaternary colluvial episodes (Upper Paraná River Hydrographic Basin, Brazil)

Sallun

Suguío

2010

An. Acad. Bras. Ciênc.

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Colluvial deposits occur extensively in the Upper Paraná River Hydrographic Basin (UPRHB) in Southeastern, Southern, and Western central Brazil. These deposits were recognized as an allostratigraphic unit and related to creeping during the Quaternary. Every studied colluvial profile is homogeneous, which indicates relatively long periods of landscape stability that is sufficient for the development of a thick soil cover. The deposits were dated by luminescence and indicate periods of more intense colluvial deposition between 6 and 220 ky B.P. These events correspond approximately to the transitions between the oxygen isotope stages 2-3-4 and 5-6, suggesting that this aggradation was influenced by climatic changes. However, the most important alluviation episode was tentatively correlated with the Middle to Upper Pleniglacial of the Wisconsin glaciation. The most intensive and frequent periods of precipitation that occurred during climate transitions are probably correlated with aggradation events. The regularity of the colluvial deposits suggests continuous uplift accompanied by sediment deposition throughout the UPRHB due to neotectonic activity during the last million years.

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Luminescence Dating of Sediments

Cited by 12 publications

References 25 publications

Land degradation in Bronze Age Germany: Archaeological, pedological, and chronometrical evidence from a hilltop settlement on the Frauenberg, Niederbayern

Land degradation in Bronze Age Germany: Archaeological, pedological, and chronometrical evidence from a hilltop settlement on the Frauenberg, Niederbayern

Changes in sediment flux and storage within a fluvial system: some examples from the Rhine catchment

Quaternary colluvial episodes (Upper Paraná River Hydrographic Basin, Brazil)

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