Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12136/1004
|Title:||LuNI: Luminescence Dating Laboratories Normalization Initiative|
|Authors:||López Cadavid, Gloria I.|
Mahan, Shannon A.
|Publisher:||University of Liverpool|
|Citation:||UK Luminescence and ESR Dating Meeting, 2016|
|Abstract:||The Luminescence Dating Community has long recognized the need for laboratory inter- comparison on a national and continental scale, with an end goal to include the entire worldwide community. These comparisons not only help evaluate agreement in the end result, i.e. the Luminescence ages, but also on the similarity and concurrence amid all other multiple intermediate laboratory protocols, essential in the process of obtaining the final result. The recent first large-scale international laboratory inter-comparison (Murray et al., 2012; Murray et al. 2015) proved that there is still much discrepancy between those intermediate protocol steps, resulting in a wide range of age results. The aim of LuNI is to continue with the inter-calibration initiative begun in 2012, while developing a detailed database of laboratory protocols used in sample preparation and dosimetric measurements. This database would determine “Best Practices” and suggest homogenization of certain basic procedures that could improve the quality of the intermediate results. The combination of an inter-laboratory comparison and a database of laboratory protocols could also trigger a laboratory “sisterhood” for those using similar “quality controls” as well facilitate a more efficient set-up of new labs. As a preamble to UKLum 2016, the LuNI idea was presented at the 11th New World Luminescence Dating Workshop (NWLDW) this past May (19-21, Lincoln, NE, U.S.A.), with much discussion and approval to continue to explore the idea from all participants. The general consensus was that not only the database should be established, but also, as a result, the creation of a “Best Practices” special edition for possible publication in Ancient TL so that there is universal access for the Luminescence Community. Moreover, the NWLDW community also suggested the establishment of a prototype/comparison site in North America (i.e. Bignell Hill, NE is an early favorite), so the initiative would move forward in two platforms: a) the creation of a standard form to compile and compare laboratory protocol data; and b) the availability of a common site from which to collect not only common samples, but also have the possibility to measure dosimetry in situ, hence, a dosimetric inter-comparison. The idea is to begin with LuNI as soon as possible, in two main communities for now, North America (S. Mahan) and Europe (G.I. López), and have some initial results and discussions during the 15th International LED 2017 Conference in Cape Town, South Africa.|
|Appears in Collections:||Congresos, encuentros científicos y estancias de investigación|
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