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