Microfossils, Southern Ocean, Earth’s obliquity, and Ice Age cycles

[Oxytropidoceras]

What caused the ice ages? Tiny ocean fossils offer key evidence

Liz Fuller-Wright, Office of Communications,Dec. 10, 2020

https://www.princeton.edu/news/2020/12/10/what-caused-ice-ages-tiny-ocean-fossils-offer-key-evidence

 

The paper is;

 

Ai, X.E., Studer, A.S., Sigman, D.M., Martínez-García, A., Fripiat, F.,

Thöle, L.M., Michel, E., Gottschalk, J., Arnold, L., Moretti, S. and

Schmitt, M., 2020. Southern Ocean upwelling, Earth’s obliquity,

and glacial-interglacial atmospheric CO2 change. Science,

370(6522), pp.1348-1352.

 

Yours,

 

Paul H.