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IRSL and post-IR IRSL residual doses recorded in modern dust samples from the Chinese loess plateau

Jan-Pieter Buylaert, Christine Thiel, Andrew S Murray, Dimitri Vandenberghe UGent, Shuangwen Yi and Huayu Lu (2011) GEOCHRONOMETRIA. 38(4). p.432-440
abstract
Using a set of modern/young (0 to about 200 years old) dust samples collected from the Chinese Loess Plateau the bleachability of IRSL measured at 50 degrees C (IR(50)) and post-IR(50) elevated temperature IRSL (measured at 225 degrees C and at 290 degrees C) is investigated by measuring the apparent (residual) doses recorded by these signals. Doses recorded by quartz OSL are used as a reference. Allowing for differences in dose rates it seems that both IRSL and post-IR IRSL signals yield residual doses that are significantly larger than the doses measured in quartz. These residual doses can be largely explained by thermal transfer caused by preheating. Nevertheless, we advise against the use of a low temperature preheat (< 200 degrees C) with IR(50) to date loess samples because, as has been reported before, the signal appears to be thermally unstable. In general, we conclude that it may not be advisable to apply post-IR IRSL dating to Chinese loess samples where residuals of up to similar to 20 Gy are a significant fraction of the total dose. However, these residuals quickly become unimportant when dating older samples, and this is the age range in which post-IR IRSL dating is likely to be most useful.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
polymineral fine-grains, post-IR IRSL, modern dust, IRSL, loess, China, OPTICALLY STIMULATED LUMINESCENCE, POLYMINERAL FINE GRAINS, SINGLE-ALIQUOT OSL, SEDIMENT EXTRACTS, YOUNG SEDIMENTS, SAR PROTOCOL, SIZED QUARTZ, FELDSPARS, DEPOSITS, SIGNALS
journal title
GEOCHRONOMETRIA
Geochronometria
volume
38
issue
4
pages
432 - 440
Web of Science type
Article
Web of Science id
000298394800013
JCR category
GEOSCIENCES, MULTIDISCIPLINARY
JCR impact factor
0.425 (2011)
JCR rank
156/170 (2011)
JCR quartile
4 (2011)
ISSN
1733-8387
DOI
10.2478/s13386-011-0047-0
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2082993
handle
http://hdl.handle.net/1854/LU-2082993
date created
2012-04-10 14:56:04
date last changed
2016-12-19 15:44:52
@article{2082993,
  abstract     = {Using a set of modern/young (0 to about 200 years old) dust samples collected from the Chinese Loess Plateau the bleachability of IRSL measured at 50 degrees C (IR(50)) and post-IR(50) elevated temperature IRSL (measured at 225 degrees C and at 290 degrees C) is investigated by measuring the apparent (residual) doses recorded by these signals. Doses recorded by quartz OSL are used as a reference. Allowing for differences in dose rates it seems that both IRSL and post-IR IRSL signals yield residual doses that are significantly larger than the doses measured in quartz. These residual doses can be largely explained by thermal transfer caused by preheating. Nevertheless, we advise against the use of a low temperature preheat ({\textlangle} 200 degrees C) with IR(50) to date loess samples because, as has been reported before, the signal appears to be thermally unstable. In general, we conclude that it may not be advisable to apply post-IR IRSL dating to Chinese loess samples where residuals of up to similar to 20 Gy are a significant fraction of the total dose. However, these residuals quickly become unimportant when dating older samples, and this is the age range in which post-IR IRSL dating is likely to be most useful.},
  author       = {Buylaert, Jan-Pieter and Thiel, Christine and Murray, Andrew S and Vandenberghe, Dimitri and Yi, Shuangwen and Lu, Huayu},
  issn         = {1733-8387},
  journal      = {GEOCHRONOMETRIA},
  keyword      = {polymineral fine-grains,post-IR IRSL,modern dust,IRSL,loess,China,OPTICALLY STIMULATED LUMINESCENCE,POLYMINERAL FINE GRAINS,SINGLE-ALIQUOT OSL,SEDIMENT EXTRACTS,YOUNG SEDIMENTS,SAR PROTOCOL,SIZED QUARTZ,FELDSPARS,DEPOSITS,SIGNALS},
  language     = {eng},
  number       = {4},
  pages        = {432--440},
  title        = {IRSL and post-IR IRSL residual doses recorded in modern dust samples from the Chinese loess plateau},
  url          = {http://dx.doi.org/10.2478/s13386-011-0047-0},
  volume       = {38},
  year         = {2011},
}

Chicago
Buylaert, Jan-Pieter, Christine Thiel, Andrew S Murray, Dimitri Vandenberghe, Shuangwen Yi, and Huayu Lu. 2011. “IRSL and post-IR IRSL Residual Doses Recorded in Modern Dust Samples from the Chinese Loess Plateau.” Geochronometria 38 (4): 432–440.
APA
Buylaert, J.-P., Thiel, C., Murray, A. S., Vandenberghe, D., Yi, S., & Lu, H. (2011). IRSL and post-IR IRSL residual doses recorded in modern dust samples from the Chinese loess plateau. GEOCHRONOMETRIA, 38(4), 432–440.
Vancouver
1.
Buylaert J-P, Thiel C, Murray AS, Vandenberghe D, Yi S, Lu H. IRSL and post-IR IRSL residual doses recorded in modern dust samples from the Chinese loess plateau. GEOCHRONOMETRIA. 2011;38(4):432–40.
MLA
Buylaert, Jan-Pieter, Christine Thiel, Andrew S Murray, et al. “IRSL and post-IR IRSL Residual Doses Recorded in Modern Dust Samples from the Chinese Loess Plateau.” GEOCHRONOMETRIA 38.4 (2011): 432–440. Print.