The Arctic Ocean Was Once Filled
With Fresh Water, New Research Suggests
George Dvorsky, Gizmodo, February 3, 2021
[gizmodo.com]

The paper is:

Geibert, W., Matthiessen, J., Stimac, I. et al., 2012.
Glacial episodes of a freshwater Arctic Ocean
covered by a thick ice shelf. Nature 590, 97–102
[www.nature.com]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)