# palsa

> low, often oval, frost heave occurring in polar and subpolar climates

**Wikidata**: [Q203450](https://www.wikidata.org/wiki/Q203450)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Palsa)  
**Source**: https://4ort.xyz/entity/palsa


## References

1. Freebase Data Dumps. 2013
2. YSO-Wikidata mapping project
3. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)