activity
20072026
most citedCombining data assimilation and machine learning to emulate a dynamical model from sparse and noisy observations: a case study with the Lorenz 96 model

206 citations · 966 across the 31 of their papers we have counts for

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Showing 2008Show all

2 papers · 1 filter

nlin.CD2008★ 46 cited

Controlling instabilities along a 3DVar analysis cycle by assimilating in the unstable subspace: a comparison with the EnKF

A. Carrassi, A. Trevisan, L. Descamps +2

A hybrid scheme obtained by combining 3DVar with the Assimilation in the Unstable Subspace (3DVar-AUS) is tested in a QG model, under perfect model conditions, with a fixed observa…

nlin.CD2008★ 19 cited

Model error and sequential data assimilation. A deterministic formulation

A. Carrassi, S. Vannitsem, C. Nicolis

Data assimilation schemes are confronted with the presence of model errors arising from the imperfect description of atmospheric dynamics. These errors are usually modeled on the b…