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23 paź 2020 · Key Points. Carbon isotopes, 14 C and 13 C, in atmospheric CO 2 are changing in response to fossil fuel emissions and other human activities. Future simulations using different SSPs show continued changes in isotopic ratios that depend on fossil fuel emissions and, for 13 C, BECCS.
14 mar 2016 · Here we help to constrain changing sources with a high-precision, high-resolution deglacial record of the stable isotopic composition of carbon in CO 2 (δ 13 C-CO 2) in air extracted from ice samples from Taylor Glacier, Antarctica.
17 sty 2018 · Atmospheric effects must be taken into account when interpreting terrestrial stable carbon isotopes, with important implications for past environments and climates, and understanding plant ...
5 mar 2024 · Ice core records of carbon dioxide (CO 2) throughout the last 2000 years provide context for the unprecedented anthropogenic rise in atmospheric CO 2 and insights into global carbon cycle...
15 sie 2019 · Here we assess the active role of ice sheets in the global carbon cycle and potential ramifications of enhanced melt and ice discharge in a warming world.
26 lut 2016 · Polar ice cores provide a valuable archive of past atmospheric concentrations of climatically important greenhouse gases including CO 2. Ice core research over the past several decades has shown that atmospheric CO 2 concentrations, [CO 2], have varied naturally between approximately 180 and 280 ppm over the past 800 kyr and correlate well with ...
• Carbon isotopes, 14C and 13C, in atmospheric CO 2 are changing in response to fossil fuel emissions and other human activities • Future simulations using different SSPs show continued changes in isotopic ratios that depend on fossil fuel emissions and, for 13C, BECCS • Applications using atmospheric 14C and 13C in studies of the carbon
