芬兰的冰川作用与冰川地貌

Glaciations and Glacial Landforms in Finland

Finland was completely covered by a vast Fennoscandian ice sheet at least twice, but, almost with exception, the landform themselves represent the last glaciation at 80 000-9 000 years BP. The onset of deglaciation occurred in 12 000 BP, and the beginning of post-glacial time has been fixed at around 10 000 BP. By approximately 9 000 BP, the ice margin had left Finland and retreated to an area in the vicinity of the ice centre in northern Sweden. Roches Moutone es are very common erosional landforms, and the most conspicuous moraine landforms in Finland are the drumlins and the transverse De Geer moraines. And the fluvioglacial drift can be found from the deltas, outwash plains, sandurs, long and winding radial eskers and kames and so on. Another accumulation landforms are extensive marginal formations. Finally, author gives a general review for Holocene geomorphic processes.