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20182026
most citedThe impact of using reconditioned correlated observation error covariance matrices in the Met Office 1D-Var system

19 citations · 31 across the 9 of their papers we have counts for

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2 papers · 1 filter

math.NA2025

An Introduction to Solving the Least-Squares Problem in Variational Data Assimilation

I. Daužickaitė, M. A. Freitag, S. Gürol +4

Variational data assimilation is a technique for combining measured data with dynamical models. It is a key component of Earth system state estimation and is commonly used in weath…

math.NA2025

Block Alpha-Circulant Preconditioners for All-at-Once Diffusion-Based Covariance Operators

Jemima M. Tabeart, Selime Gürol, John W. Pearson +1

Covariance matrices are central to data assimilation and inverse methods derived from statistical estimation theory. Previous work has considered the application of an all-at-once…