11. Levels in the Eemian Sea dropped, and the opening to the White Sea was blocked. 12. But the rest of the Eemian , they found, descended often into episodes of severe cold. 13. "That's what's worrisome " about the possibility of an unstable Eemian . 14. Karelia was inundated and Lakes Onega were mere depressions in the shallow eastern end of the Eemian sea. 15. But " there weren't any big ice sheets in the Eemian , " said Alley. 16. The post-Eemian brackish lake did not last long geologically speaking, but was covered totally with ice. 17. They probably date to the warm Eemian period, around 130, 000 to 115, 000 years ago. 18. The early Eemian Sea connected with the White Sea along the line of the present White Sea-Baltic Canal. 19. That is, it might remain warm for some time even as ice sheets grow, as in the Eemian period. 20. In some locations, the Eemian lake deposits are thicker and laterally continuous enough to form a complete blanket overlying older sediments.
