DRAC: Dose Rate and Age Calculator for trapped charge dating

被引：569
作者：
Durcan, Julie A. [1 ]
King, Georgina E. [2 ,3 ]
Duller, Geoffrey A. T. [3 ]
机构：
[1] Univ Oxford, Sch Geog & Environm, Oxford OX1 3QY, England
[2] Univ Lausanne, Inst Earth Surface Dynam, UNIL Mouline, CH-1015 Lausanne, Switzerland
[3] Aberystwyth Univ, Dept Geog & Earth Sci, Aberystwyth SY23 3DB, Dyfed, Wales
来源：
QUATERNARY GEOCHRONOLOGY | 2015年 / 28卷
关键词：
DRAC; Dose rate; Age; Calculator; Luminescence dating; Electron spin resonance dating; Software; Open access; OPTICALLY STIMULATED LUMINESCENCE; LOESS PROFILE; QUARTZ OSL; COSMIC-RAY; CHRONOLOGY; SEDIMENT; RADIATION; FELDSPAR; GRAINS; SAND;
D O I：
10.1016/j.quageo.2015.03.012
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Accurate calculation of the environmental radiation dose rate ((D) over dot) is an essential part of trapped charge dating methods, such as luminescence and electron spin resonance dating. Although the calculation of ((D) over dot) is not mathematically complex, the incorporation of multiple variables and the propagation of uncertainties can be challenging. The Dose Rate and Age Calculator (DRAC) is an open access, web-based program which enables rapid ((D) over dot) calculation for trapped charge dating applications. Users can select from recently published attenuation and conversion factors to make mathematically robust, reproducible ((D) over dot) calculations. comparison of DRAC calculated ((D) over dot) values against the published ((D) over dot) determinations of 422 samples from 32 studies results in a reproducibility ratio of 1.01 +/- 0.05. It is anticipated that DRAC will facilitate easier inter-laboratory comparisons and will provide greater transparency for ((D) over dot) calculations. DRAC will be updated to reflect the latest advances in ((D) over dot) calculation and is freely accessible at www.aber. ac.uk/alrl/drac. The code for DRAC is available from github at https://github.com/DRAC-calculator/DRAC-calculator. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：54 / 61
页数：8
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