palsa
nounEtymology From Finnish palsa, from Northern Sami balsa.
1
Geography, Geology, Geomorphology, Natural sciences A hummock rising out of a bog with a core of ice; similar in appearance to a pingo but due to different structure palsas cannot grow as big as pingos.
- Peat plateaux are larger landforms formed by the coalescence of palsas. String bogs, also called patterned fens, occur in muskeg. They are alternations of thin, string-like strips or ridges of peat, mainly Sphagnum moss, which may[…]2003, Richard J. Huggett, Fundamentals of Geomorphology, Psychology Press, →ISBN, page 244:
- These basin bogs are generally associated with Picea mariana or are treeless. Species in these wetlands are similar to those found in other palsas in Canada.2013 March 9, Dennis F. Whigham, D. Dykyjová, S. Hejný, Wetlands of the World I: Inventory, Ecology and Management, Springer Science & Business Media, →ISBN, page 480:
- Derived terms
- lithalsa