
thumb|120px|right|Wind measurement with a Phased Array SODAR
thumb|120px|right|Wind measurement with a Phased Array SODAR
Sodar, an acronym of sonic detection and ranging, is a meteorological instrument used as a wind profiler based on the scattering of sound waves by atmospheric turbulence. Sodar equipment is used to measure wind speed at various heights above the ground, and the thermodynamic structure of the lower layer of the atmosphere.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).