Carbon isotope composition of atmospheric CO2 during the last ice age from an Antarctic ice core ...

• Main Authors: Leuenberger, Markus, Siegenthaler, Urs, Langway, Chester C.
• Format: Text
• Language: unknown
• Published: Macmillan Journals Ltd. 1992
• Subjects: 530 Physics; Antarctic; Byrd; Byrd Station; Antarc*; Antarctica; ice core
• Online Access: https://dx.doi.org/10.48350/158241; https://boris.unibe.ch/158241/

Bubbles of ancient air in polar ice cores have revealed that the atmospheric concentration of CO2 during the Last Glacial Maximum was 180–200 p.p.m.v., substantially lower than the pre-industrial value of about 280 p.p.m.v. (refs 1, 2). It is generally thought that this reduction in atmospheric CO2...