TY  - JOUR
A1  - Kaya, Mustafa Yücel
A1  - Dupont-Nivet, Guillaume
A1  - Frieling, Joost
A1  - Fioroni, Chiara
A1  - Rohrmann, Alexander
A1  - Altıner, Sevinç Özkan
A1  - Vardar, Ezgi
A1  - Tanyas, Hakan
A1  - Mamtimin, Mehmut
A1  - Zhaojie, Guo
T1  - The Eurasian epicontinental sea was an important carbon sink during the Palaeocene-Eocene thermal maximum
T2  - Communications earth and environment
N2  - The Palaeocene-Eocene Thermal Maximum (ca. 56 million years ago) offers a primary analogue for future global warming and carbon cycle recovery. Yet, where and how massive carbon emissions were mitigated during this climate warming event remains largely unknown. Here we show that organic carbon burial in the vast epicontinental seaways that extended over Eurasia provided a major carbon sink during the Palaeocene-Eocene Thermal Maximum. We coupled new and existing stratigraphic analyses to a detailed paleogeographic framework and using spatiotemporal interpolation calculated ca. 720–1300 Gt organic carbon excess burial, focused in the eastern parts of the Eurasian epicontinental seaways. A much larger amount (2160–3900 Gt C, and when accounting for the increase in inundated shelf area 7400–10300 Gt C) could have been sequestered in similar environments globally. With the disappearance of most epicontinental seas since the Oligocene-Miocene, an effective negative carbon cycle feedback also disappeared making the modern carbon cycle critically dependent on the slower silicate weathering feedback.
Y1  - 2022
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/64376
SN  - 2662-4435
VL  - 3
IS  - 1
PB  - Springer Nature
CY  - London
ER  -