# surface subsidence

> the motion of a surface (usually, the Earth's surface) as it shifts downward relative to a datum such as sea-level

**Wikidata**: [Q849953](https://www.wikidata.org/wiki/Q849953)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Subsidence)  
**Source**: https://4ort.xyz/entity/surface-subsidence


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=5879)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. National Library of Israel Names and Subjects Authority File
6. GF WordNet
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)