# A New Approach for Estimating the Observation Impact in Ensemble–Variational Data Assimilation

> Research article (Monthly Weather Review, 2017) · cited 33× · AI/ML

**Wikidata**: [openalex:W2777152636](https://www.wikidata.org/wiki/openalex:W2777152636)  
**Source**: https://4ort.xyz/entity/a-new-approach-for-estimating-the-observation-impact-in-ensemblevariational-data-assimilation