# A Big Data‐Driven Nonlinear Least Squares Four‐Dimensional Variational Data Assimilation Method: Theoretical Formulation and Conceptual Evaluation

> Research article (Earth and Space Science, 2019) · cited 16× · AI/ML

**Wikidata**: [openalex:W2965451809](https://www.wikidata.org/wiki/openalex:W2965451809)  
**Source**: https://4ort.xyz/entity/a-big-datadriven-nonlinear-least-squares-fourdimensional-variational-data-assimilation-method-theoretical-formulation-an