Changes to carbon isotopes in atmospheric CO2 over the industrial era and into the future

• Published in: Global Biogeochemical Cycles
• Main Authors: Graven, H, Keeling, RF, Rogelj, J
• Other Authors: Commission of the European Communities
• Format: Article in Journal/Newspaper
• Language: English
• Published: American Geophysical Union 2020
• Subjects: Science & Technology; Life Sciences & Biomedicine; Physical Sciences; Environmental Sciences; Geosciences; Multidisciplinary; Meteorology & Atmospheric Sciences; Environmental Sciences & Ecology; Geology; carbon dioxide; radiocarbon; carbon‐ 13; fossil fuels; nuclear bombs; carbon cycle; FOSSIL-FUEL CO2; GREENHOUSE-GAS CONCENTRATIONS; WATER-USE EFFICIENCY; RADIOCARBON CONSTRAINTS; ANTHROPOGENIC EMISSIONS; BOMB RADIOCARBON; WIND-SPEED; (CO2)-C-14; C-14; FRACTIONATION; carbon‐13; 0401 Atmospheric Sciences; 0402 Geochemistry; 0405 Oceanography; The Spike; ice core
• Online Access: http://hdl.handle.net/10044/1/93402; https://doi.org/10.1029/2019GB006170

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...