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ATMOSPHERIC RADIOCARBON FOR THE PERIOD 1950-2019

Hua, Quan
[1]; 
Turnbull, Jocelyn C.
[2]; 
Santos, Guaciara M.
[3]; 
Rakowski, Andrzej Z.
[4]; 
Ancapichun, Santiago
[5]; 
[6]; 
Hammer, Samuel
[7]; 
Lehman, Scott J.
[8]; 
Levin, Ingeborg
[7]; 
Miller, John B.
[9]; 
Palmer, Jonathan G.
[10]; 
Turney, Chris S. M.
[10]
  • 1
    Australian Nuclear Science & Technology Organisation
  • 2
    GNS Science - New Zealand
  • 3
    University of California System
  • 4
    Silesian University of Technology
  • 5
    Universidad de Magallanes  
  • 6
    Centro de Investigación Gaia Antártica  
  • 7
    Ruprecht Karls University Heidelberg
  • 8
    University of Colorado System
  • 9
    National Oceanic Atmospheric Admin (NOAA) - USA
  • 10
    University of New South Wales Sydney
DOI
Date Issued
2022-8
Type
Artículo
Journal
Radiocarbon
ISSN
0033-8222
1945-5755
Open Access
bronze
Volume
64
Start page
723
End page
745
Links
This paper presents a compilation of atmospheric radiocarbon for the period 1950-2019, derived from atmospheric CO2 sampling and tree rings from clean-air sites. Following the approach taken by Hua et al. (2013), our revised and extended compilation consists of zonal, hemispheric and global radiocarbon (C-14) data sets, with monthly data sets for 5 zones (Northern Hemisphere zones 1, 2, and 3, and Southern Hemisphere zones 3 and 1-2). Our new compilation includes smooth curves for zonal data sets that are more suitable for dating applications than the previous approach based on simple averaging. Our new radiocarbon dataset is intended to help facilitate the use of atmospheric bomb C-14 in carbon cycle studies and to accommodate increasing demand for accurate dating of recent (post-1950) terrestrial samples.
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