期刊
GEOSCIENTIFIC MODEL DEVELOPMENT
卷 10, 期 12, 页码 4405-4417出版社
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/gmd-10-4405-2017
关键词
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资金
- CSIRO
- US National Science Foundation
- Department of Energy
- NASA [1304270, DE-SC0012167, NNX17AE74G]
- Eric and Wendy Schmidt Fund for Strategic Innovation
- NOAA Climate Program Office
- Heidelberg Academy of Sciences
- Ministry of Education and Science, Baden-Wurttemberg, Germany
- German Science Foundation
- German Ministry of the Environment
- German Ministry of Science and Technology
- German Umweltbundesamt
- European Commission, Brussels
- national funding agency in Australia
- national funding agency in Canada
- national funding agency in Spain
- European Commission through a Marie Curie Career Integration Grant
- NASA [1002252, NNX17AE74G] Funding Source: Federal RePORTER
The isotopic composition of carbon (Delta C-14 and delta C-13) 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 C-14 and C-13 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 Delta C-14 and delta C-13 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.
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