Acta Forestalia Fennica vol. 12 no. 2 | 1920
Category : Article
The study about the formation of hummock ridges on the peatlands is based on research conducted between years 1915-1919 in Pyhäjoki area in middle Ostrobothnia area in Western Finland, in Kuusamo and Kuolajärvi in north-east Finland, and in different parts of Finnish and partly also in Norwegian Lapland.
The hummock ridges and the “rimpis” are evolutionary in close connection with each other. Hence the sliding of peat plays an important role in the formation of hammock ridges. The formation of regularly positioned hummock ridges requires sloping surface of the moor, where the water flow or the movement of the peat goes in one direction. Formation of hummock ridges is determined by climatic factors, particularly by the floods and other weather conditions in spring time.
Conclusion of the study is that the theories up to now about the formation of hummock ridges have not understood the phenomenon completely. The different morphological factors affect by themselves or together by the formation of regular groupings of the hummock ridges.
The article contains an abstract (Zusammenfassung) in German.-
Auer,
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