# Grain size estimation in fluvial gravel bars using uncrewed aerial vehicles: A comparison between methods based on imagery and topography

> Research article (Earth Surface Processes and Landforms, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4386913296](https://www.wikidata.org/wiki/openalex:W4386913296)  
**Source**: https://4ort.xyz/entity/grain-size-estimation-in-fluvial-gravel-bars-using-uncrewed-aerial-vehicles-a-comparison-between-methods-based-on-imager