Search Results - "Thomsen, K. J."
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Testing the potential of an elevated temperature IRSL signal from K-feldspar
Published in Radiation measurements (01-05-2009)“…Thomsen, K.J., Murray, A.S., Jain, M., Bøtter-Jensen, L. [2008. Laboratory fading rates of various luminescence signals from feldspar-rich sediment extracts…”
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2
On the shape of continuous wave infrared stimulated luminescence signals from feldspars: A case study
Published in Journal of luminescence (01-09-2014)“…The continuous-wave IRSL (CW-IRSL) signals from feldspars are known to decay in a non-exponential manner, and their exact mathematical description is of great…”
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3
Dating ice shelf edge marine sediments: A new approach using single-grain quartz luminescence
Published in Journal of Geophysical Research: Earth Surface (01-09-2010)“…To develop an alternative dating tool for the Antarctic Peninsula (where the 14C method requires large, spatially variable reservoir corrections), we tested…”
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Sources of variability in OSL dose measurements using single grains of quartz
Published in Radiation measurements (2005)“…In luminescence-based measurements of dose distributions in unheated mineral samples, the observed spread in dose values is usually attributed to four main…”
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5
Laboratory fading rates of various luminescence signals from feldspar-rich sediment extracts
Published in Radiation measurements (01-10-2008)“…Feldspar as a retrospective dosimeter is receiving more and more attention because of its useful luminescence properties; in particular the dose response curve…”
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6
Identifying well-bleached quartz using the different bleaching rates of quartz and feldspar luminescence signals
Published in Radiation measurements (01-09-2012)“…When dating older sedimentary deposits using quartz, there are no unambiguous methods for identifying the presence of incomplete bleaching. Current statistical…”
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7
An assessment of cumulative external doses from Chernobyl fallout for a forested area in Russia using the optically stimulated luminescence from quartz inclusions in bricks
Published in Journal of environmental radioactivity (01-07-2008)“…Optically stimulated luminescence (OSL) has been used for estimation of the accumulated doses in quartz inclusions obtained from two fired bricks, extracted in…”
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8
Reliability of equivalent-dose determination and age-models in the OSL dating of historical and modern palaeoflood sediments
Published in Quaternary geochronology (01-08-2014)“…The challenge of accurately estimating the deposition age of incompletely-bleached samples in luminescence dating has motivated developments in the analysis of…”
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9
Household and Workplace Chemicals as Retrospective Luminescence Dosemeters
Published in Radiation protection dosimetry (01-01-2002)“…In the development of techniques for the retrospective assessment of the dose absorbed by communities living and working adjacent to the site of a nuclear…”
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10
Mass Spectrometric Studies of the Effect of pH on the Accumulation of Intermediates in Denitrification by Paracoccus denitrificans
Published in Applied and Environmental Microbiology (01-02-1994)“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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The effect of preheating on the IRSL signal from feldspar
Published in Radiation measurements (01-05-2009)“…It is difficult to relate the IRSL signal from feldspar to a particular region of the TL curve; prior IR stimulation reduces the TL signal over a wide range of…”
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12
The place beyond the trees: renewed excavations of the Middle Stone Age deposits at Olieboomspoort in the Waterberg Mountains of the South African Savanna Biome
Published in Archaeological and anthropological sciences (01-07-2021)“…Olieboomspoort is one of the few rock shelters in the vast interior of southern Africa documenting pulses of occupation from the Acheulean until the end of the…”
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13
Variation with depth of dose distributions in single grains of quartz extracted from an irradiated concrete block
Published in Radiation measurements (01-08-2003)“…Most attempts to apply retrospective dosimetry using luminescence methods to building materials have made use of heated (sensitised) items such as brick or…”
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14
Thermal transfer and apparent-dose distributions in poorly bleached mortar samples: results from single grains and small aliquots of quartz
Published in Radiation measurements (01-02-2004)“…In the assessment of doses received from a nuclear accident, considerable attention has been paid to retrospective dosimetry using the optically stimulated…”
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15
Determination of burial dose in incompletely bleached fluvial samples using single grains of quartz
Published in Radiation measurements (01-03-2007)“…We determine the burial dose in three known-age incompletely bleached fluvial samples using single grains of quartz. Estimation of burial dose in incompletely…”
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16
Retrospective Dosimetry using Unheated Quartz: A Feasibility Study
Published in Radiation protection dosimetry (01-01-2002)“…Most attempts to apply retrospective dosimetry to building materials have made use of heated (sensitised) items such as brick or tile ceramic. Unfired…”
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17
IR-RF dating of sand-sized K-feldspar extracts: A test of accuracy
Published in Radiation measurements (01-09-2012)“…In this paper we use a recently developed radioluminescence (RL) attachment to the Risø TL/OSL reader to test the InfraRed-RadioFluorescence (IR-RF) dating…”
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18
Optimising the separation of quartz and feldspar optically stimulated luminescence using pulsed excitation
Published in Radiation measurements (01-08-2010)“…In luminescence dating, the two most commonly used natural minerals, quartz and feldspar, are exposed to different dose rates in the natural environment, and…”
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Minimizing feldspar OSL contamination in quartz UV-OSL using pulsed blue stimulation
Published in Radiation measurements (01-02-2008)“…Natural sediments usually contain a mix of quartz and feldspar. Because these two minerals have different luminescence properties and record different natural…”
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20
Developments in luminescence measurement techniques
Published in Radiation measurements (01-08-2006)“…We report on our continuing investigation and development of new measurement facilities for use in irradiation, optical stimulation and luminescence signal…”
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