# Measuring change at Earth’s surface: On-demand vertical and three-dimensional topographic differencing implemented in OpenTopography

> Research article (Geosphere, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3163847370](https://www.wikidata.org/wiki/openalex:W3163847370)  
**Source**: https://4ort.xyz/entity/measuring-change-at-earths-surface-on-demand-vertical-and-three-dimensional-topographic-differencing-implemented-in-open