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Title: Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6

Abstract

Abstract. The isotopic composition of carbon (Δ14C and δ13C) in atmospheric CO2 and in oceanic and terrestrial carbon reservoirs is influenced by anthropogenic emissions and by natural carbon exchanges, which can respond to and drive changes in climate. Simulations of 14C and 13C in the ocean and terrestrial components of Earth system models (ESMs) present opportunities for model evaluation and for investigation of carbon cycling, including anthropogenic CO2 emissions and uptake. The use of carbon isotopes in novel evaluation of the ESMs' component ocean and terrestrial biosphere models and in new analyses of historical changes may improve predictions of future changes in the carbon cycle and climate system. We compile existing data to produce records of Δ14C and δ13C in atmospheric CO2 for the historical period 1850–2015. The primary motivation for this compilation is to provide the atmospheric boundary condition for historical simulations in the Coupled Model Intercomparison Project 6 (CMIP6) for models simulating carbon isotopes in the ocean or terrestrial biosphere. The data may also be useful for other carbon cycle modelling activities.

Authors:
 [1];  [2];  [2];  [3]; ORCiD logo [4];  [3];  [5]; ORCiD logo [6];  [7];  [2];  [8];  [8]
  1. Imperial College, London (United Kingdom)
  2. Commonwealth Scientific and Industrial Research Organization (CSIRO), Aspendale, ACT (Australia)
  3. Heidelberg Univ. (Germany)
  4. Univ. of California, San Diego, CA (United States). Scripps Inst. of Oceanography
  5. Univ. of Groningen (Netherlands)
  6. Univ. della Campania, Caserta (Italy)
  7. National Oceanic and Atmospheric Administration (NOAA), Boulder, CO (United States)
  8. Univ. of Colorado, Boulder, CO (United States)
Publication Date:
Research Org.:
Univ. of California, San Diego, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1511009
Grant/Contract Number:  
SC0012167
Resource Type:
Accepted Manuscript
Journal Name:
Geoscientific Model Development (Online)
Additional Journal Information:
Journal Name: Geoscientific Model Development (Online); Journal Volume: 10; Journal Issue: 12; Journal ID: ISSN 1991-9603
Publisher:
European Geosciences Union
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Graven, Heather, Allison, Colin E., Etheridge, David M., Hammer, Samuel, Keeling, Ralph F., Levin, Ingeborg, Meijer, Harro A. J., Rubino, Mauro, Tans, Pieter P., Trudinger, Cathy M., Vaughn, Bruce H., and White, James W. C. Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6. United States: N. p., 2017. Web. doi:10.5194/gmd-10-4405-2017.
Graven, Heather, Allison, Colin E., Etheridge, David M., Hammer, Samuel, Keeling, Ralph F., Levin, Ingeborg, Meijer, Harro A. J., Rubino, Mauro, Tans, Pieter P., Trudinger, Cathy M., Vaughn, Bruce H., & White, James W. C. Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6. United States. doi:10.5194/gmd-10-4405-2017.
Graven, Heather, Allison, Colin E., Etheridge, David M., Hammer, Samuel, Keeling, Ralph F., Levin, Ingeborg, Meijer, Harro A. J., Rubino, Mauro, Tans, Pieter P., Trudinger, Cathy M., Vaughn, Bruce H., and White, James W. C. Tue . "Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6". United States. doi:10.5194/gmd-10-4405-2017. https://www.osti.gov/servlets/purl/1511009.
@article{osti_1511009,
title = {Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6},
author = {Graven, Heather and Allison, Colin E. and Etheridge, David M. and Hammer, Samuel and Keeling, Ralph F. and Levin, Ingeborg and Meijer, Harro A. J. and Rubino, Mauro and Tans, Pieter P. and Trudinger, Cathy M. and Vaughn, Bruce H. and White, James W. C.},
abstractNote = {Abstract. The isotopic composition of carbon (Δ14C and δ13C) in atmospheric CO2 and in oceanic and terrestrial carbon reservoirs is influenced by anthropogenic emissions and by natural carbon exchanges, which can respond to and drive changes in climate. Simulations of 14C and 13C in the ocean and terrestrial components of Earth system models (ESMs) present opportunities for model evaluation and for investigation of carbon cycling, including anthropogenic CO2 emissions and uptake. The use of carbon isotopes in novel evaluation of the ESMs' component ocean and terrestrial biosphere models and in new analyses of historical changes may improve predictions of future changes in the carbon cycle and climate system. We compile existing data to produce records of Δ14C and δ13C in atmospheric CO2 for the historical period 1850–2015. The primary motivation for this compilation is to provide the atmospheric boundary condition for historical simulations in the Coupled Model Intercomparison Project 6 (CMIP6) for models simulating carbon isotopes in the ocean or terrestrial biosphere. The data may also be useful for other carbon cycle modelling activities.},
doi = {10.5194/gmd-10-4405-2017},
journal = {Geoscientific Model Development (Online)},
number = 12,
volume = 10,
place = {United States},
year = {2017},
month = {12}
}

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Cited by: 31 works
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