Changes to Carbon Isotopes in Atmospheric CO2 Over the Industrial Era and Into the Future

In this “Grand Challenges” paper, we review how the carbon isotopic composition of atmospheric CO2 has changed since the Industrial Revolution due to human activities and their influence on the natural carbon cycle, and we provide new estimates of possible future changes for a range of scenarios. Em...

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Veröffentlicht in:	Global biogeochemical cycles 2020-11, Vol.34 (11), p.n/a
Hauptverfasser:	Graven, Heather, Keeling, Ralph F., Rogelj, Joeri
Format:	Artikel
Sprache:	eng
Schlagworte:	Archaeology Atmosphere Atmospheric Composition and Structure Atmospheric models Biogeochemical Cycles, Processes, and Modeling Biogeochemical Kinetics and Reaction Modeling Biogeochemistry Biogeosciences Biosphere/Atmosphere Interactions Carbon Carbon 12 Carbon 14 Carbon cycle Carbon Cycling Carbon dioxide Carbon dioxide atmospheric concentrations Carbon dioxide emissions Carbon exchange Carbon isotopes carbon‐13 Combustion Commissioned Manuscript Constituent Sources and Sinks Cryosphere Data analysis Decay Ecosystems Emissions Evolution of the Atmosphere Fields Fluxes Forensic science Fossil fuels Fuel combustion Gas exchange Geochemistry Global Change Ice cores Intercomparison Isotope composition Isotopes Isotopic Composition and Chemistry Land use Marine ecosystems Net Primary Productivity Nuclear accidents & safety nuclear bombs Nuclear fuels Ocean circulation Ocean currents Oceanography: Biological and Chemical Oceans Offsets Paleoceanography Photosynthesis Primary production Radioactive decay radiocarbon Reservoirs Soil Stable Isotope Geochemistry Stable Isotopes Terrestrial ecosystems Testing Tree rings Turnover time Water circulation
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