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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"Optically Stimulated Luminescence (OSL)"”.
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Optimization of the MgS:Eu:Sm phosphor for potential use as an optically stimulated personnel dosimeter
… and samarium is a candidate phosphor for laser stimulated personnel dosimeters. Optically stimulated luminescence (OSL) dosimeters are advantageous in that they provide a faster, isothermal dose measurement than conventional thermoluminescent dosimeters. The effects of activator concentration …
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Late quaternary valley fill sediments in the River Tyne valley: Understanding late Devensian deglaciation and early postglacial response in northern England
… of a geochronology was attempted, based on optically stimulated luminescence (OSL), and broad-scale geomorphological mapping using traditional field mapping and appropriately scaled digital elevation models fromNEXTMap Britain.The thesis contributes new detailed sedimentological and …
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Kultūrinių augalų kilmė Lietuvoje Rytų Baltijos regiono kontekste (archeobotanikos duomenimis iki XIV a.) /
… imprints in pottery. Radiocarbon (AMS 14C) and optically stimulated luminescence (OSL) dating methods were used to determine the chronology of investigated plants. This study provided new data on the history of barley, wheat, millet, rye, buckwheat and flax cultivation in Lithuania and the …
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Origin of cultural plants in Lithuania in the context of Eastern Baltic (based on archaeobotanical material dated up to 14th century AD) /
… imprints in pottery. Radiocarbon (AMS 14C) and optically stimulated luminescence (OSL) dating methods were used to determine the chronology of investigated plants. This study provided new data on the history of barley, wheat, millet, rye, buckwheat and flax cultivation in Lithuania and the …
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Les terres cuites architecturales des églises du haut Moyen Age dans le nord-ouest de la France et le sud-est de l'Angleterre : application de la datation par luminescence à l'archéologie du bâti
… to building archaeology, it is the technique of stimulated luminescence applied to ceramic building materials (CBM) that is the focus of this study. The research reported in this thesis concerns the re-evaluation of an archaeological assumption surrounding the origin of CBM used in 9th, 10th and …
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Ceramic building materials in early medieval churches in north-western France and south-eastern England. Application of luminescence dating to building archaeology.
… to building archaeology, it is the technique of stimulated luminescence applied to ceramic building materials (CBM) that is the focus of this study. The research reported in this thesis concerns the re-evaluation of an archaeological assumption surrounding the origin of CBM used in 9th, 10th and …
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Exploration and application of post-infrared high-temperature infrared stimulated luminescence dating techniques: investigation of marine terrace deposits along the northern San Andreas Fault
Optically stimulated luminescence (OSL) dating is a relatively new dating method, tangibly introduced in 1985 when Huntley et al. demonstrated the ability to use light-sensitive traps to measure radiation exposure and determine the age of sediment. Quartz and feldspar grains are commonly used for …
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Reevaluating the Geologic Formations of the Upper Coastal Plain in Chesterfield County, South Carolina
… Micro- and macrofossil identification and optically-stimulated luminescence (OSL) dating provided age control.</p> <p>Four distinct mappable units occur throughout the Patrick quadrangle. Resting unconformably on schist of the Paleozoic Persimmons Fork Formation, the Cretaceous Middendorf …
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Analysis of Fossil Pollen from a Pleistocene Cypress Forest Preserved on the Northern Gulf of Mexico Continental Shelf
… Marine Isotopic Stage (MIS) 3. An extrapolated optically-stimulated luminescence (OSL) date from a sister core to 15DF3B, revealed an age of 72,000 years (early MIS 4 or 5). However, the pollen results from both cores indicate that the peat sections have recorded the same event in the …
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Late Quaternary sedimentary architecture and depositional history of the Monahans Dune Field, Winkler County, TX.
… the near-surface stratigraphy was derived from Optically Stimulated Luminescence (OSL) and Thermal Transfer (TT-OSL) Single Aliquot Regeneration (SAR) protocols on quartz grains from in-tact sediment cores. The stratigraphy and chronology of quartz grains from these cores document thirteen …
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Dosimetry of ¹²⁵Iodine protons for in vivo mouse irradiation study
… source. Two distinct methods were used. First, Optically Stimulated Luminescence (OSL) Dosimeters were placed in an array over an area slightly larger than the irradiation area. The dose equivalent they each reported was recorded weekly. Secondly, a series of simulations were performed using …
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Timing and pattern of valley excavation, Le Sueur River, south-central Minnesota, USA
… and ranging) and terrace dating through optically-stimulated luminescence (OSL) and radiocarbon methods were used to construct a conceptual model of valley excavation during the Holocene and late Pleistocene from lateral and vertical incision. The river is responding to approximately 70 …
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Investigating rates and mechanisms of lateral erosion in a small bedrock river using erosion pins, structure-from-motion photogrammetry, and optically stimulated luminescence dating: Konza Prairie, northeast Kansas
… along bedrock channel banks. Single-grain optically stimulated luminescence (OSL) dating of fluvial deposits overlying a strath terrace was used to determine the depositional age of fluvial deposits and infer the duration of lateral channel mobility during terrace occupation. Lateral …
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The Pleistocene History of the Birmingham District
… its palaeoenvironmental history, supported by optically stimulated luminescence (OSL) dating, cosmogenic exposure dating, and palynology. The results reject the hypothesis of glaciation during the Anglian Stage and instead support that of Wolstonian glaciation. Field observations of the …
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Analysis of deposition, erosion, and landscape stability during the late Quaternary using multi-proxy evidence from Owl Creek, Central Texas, USA.
… in time based on relative stratigraphy and optically stimulated luminescent (OSL) ranging in age from ~120 ka to <8 ka. Despite the dynamic nature of fluvial systems, the Owl Creek record has uniquely preserved sediment spanning the late Quaternary with major erosional events that may …
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Roads and Routeways in County Durham: 1530-1730
… with which to date roads, with the use of optically stimulated luminescence (OSL) infra-red stimulated luminescence (IRSL) and radiocarbon dating, was also completed. It will be shown that different factors influenced the placement of the different routes. Distance and slope being of prime …
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Living near permanent water in the upper Murray-Darling Basin Implications from the micromorphology of buried soils near artesian springs
… soil micromorphology and pedology, and optically stimulated luminescence (OSL) dating provide a framework for the palaeo-human setting. It considers several questions, including: When did landscapes change and why? How did dry and humid conditions effect the circumstances and behaviours …
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Development of a Luminescence protocol for the dating of historical mortars [Sviluppo di un protocollo di Luminescenza per la datazione delle malte storiche]
… dell’età e ridurre l’affidabilità della Optically Stimulated Luminescence (OSL) applicata al quarzo come cronometro universale per i materiali da costruzione. Per superare questa limitazione, il lavoro indaga il potenziale del carbonato, formato naturalmente nel corso della carbonatazione …
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The marine geology of Mossel Bay, South Africa
… sea features and rock samples were dated using Optically Stimulated Luminescence (OSL). Geophysical investigations include a regional seismic survey extending from Still Bay in the west to Buffels Bay in the east out to a maximum water depth of 110 m; a high-resolution investigation of the …
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On the development and application of a photon counting imaging system for broad spectrum luminescence analysis
Novel luminescence equipment, the Photon Counting Imaging System (PCIS), with broad spectrum high sensitivity imaging capabilities, incorporating both thermal and multi-source optical stimulation, and providing flexible facilities for the optical filtering of signals, was designed and constructed. …
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