Radiocarbon in global tropospheric carbon dioxide
Levin, Ingeborg,
Hammer, Samuel,
Kromer, Bernd,
Preunkert, Susanne,
Weller, Rolf
ORCID: https://orcid.org/0000-0003-4880-5572 and
Worthy, Douglas E.
;
Contact
Rolf.Weller [ at ] awi.de
Abstract
Since the 1950s, observations of radiocarbon (14C) in tropospheric carbon dioxide (CO2) have been conducted in both hemispheres, documenting the so-called nuclear "bomb spike" and its transfer into the oceans and the terrestrial biosphere, the two compartments permanently exchanging carbon with the atmosphere. Results from the Heidelberg global network of 14C-CO2 observations are revisited here with respect to the insights and quantitative constraints they provided on these carbon exchange fluxes. The recent development of global and hemispheric trends of 14C-CO2 are further discussed in regard to their suitability to continue providing constraints for 14C-free fossil CO2 emission changes on the global and regional scale.
Item Type
Article
Authors
Levin, Ingeborg,
Hammer, Samuel,
Kromer, Bernd,
Preunkert, Susanne,
Weller, Rolf
ORCID: https://orcid.org/0000-0003-4880-5572 and
Worthy, Douglas E.
;
Divisions
Primary Division
Programs
Primary Topic
Helmholtz Cross Cutting Activity (2021-2027)
Research Networks
Publication Status
Published
Eprint ID
54164
DOI
10.1017/RDC.2021.102
Cite as
Levin, I.
,
Hammer, S.
,
Kromer, B.
,
Preunkert, S.
,
Weller, R.
and
Worthy, D. E.
(2021):
Radiocarbon in global tropospheric carbon dioxide
,
Radiocarbon,
64
,
pp. 781-791
.
doi: 10.1017/RDC.2021.102
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