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Four-dimensional variational data assimilation for Doppler radar wind dataRIHAN, Fathalla A; COLLIERS, Chris G; ROULSTONE, Ian et al.Journal of computational and applied mathematics. 2005, Vol 176, Num 1, pp 15-34, issn 0377-0427, 20 p.Article

Derivative-free optimization for large-scale nonlinear data assimilation problemsGRATTON, S; LALOYAUX, P; SARTENAER, A et al.Quarterly Journal of the Royal Meteorological Society. 2014, Vol 140, Num 680, pp 943-957, issn 0035-9009, 15 p.Article

Gaussian quadrature 4D-VarSTAPPERS, R. J. J; BARKMEIJER, J.Quarterly Journal of the Royal Meteorological Society. 2013, Vol 139, Num 675, pp 1462-1472, issn 0035-9009, 11 p.Article

Using Jacobian sensitivities to assess a linearization of the relaxed Arakawa-Schubert convection schemeHOLDAWAY, D; ERRICO, R.Quarterly Journal of the Royal Meteorological Society. 2014, Vol 140, Num 681, pp 1319-1332, issn 0035-9009, 14 p., bArticle

Multivariate Data Assimilation in the Tropics by Using Equatorial WavesZAGAR, Nedjeljka.Pure and applied geophysics (Printed ed.). 2012, Vol 169, Num 3, pp 367-379, issn 0033-4553, 13 p.Article

A simplified Extended Kalman Filter for the global operational soil moisture analysis at ECMWFDE ROSNAY, Patricia; DRUSCH, Matthias; VASILJEVIC, Drasko et al.Quarterly Journal of the Royal Meteorological Society. 2013, Vol 139, Num 674, pp 1199-1213, issn 0035-9009, 15 p.Article

Preconditioning of variational data assimilation and the use of a bi-conjugate gradient methodEL AKKRAOUI, Amal; TREMOLET, Yannick; TODLING, Ricardo et al.Quarterly Journal of the Royal Meteorological Society. 2013, Vol 139, Num 672, pp 731-741, issn 0035-9009, 11 p., aArticle

A weak-constraint four-dimensional variational analysis system in the stratosphereLINDSKOG, Magnus; DEE, Dick; TREMOLET, Yannick et al.Quarterly Journal of the Royal Meteorological Society. 2009, Vol 135, Num 640, pp 695-706, issn 0035-9009, 12 p.Article

Weight interpolation for efficient data assimilation with the Local Ensemble Transform Kalman FilterYANG, Shu-Chih; KALNAY, Eugenia; HUNT, Brian et al.Quarterly Journal of the Royal Meteorological Society. 2009, Vol 135, Num 638, pp 251-262, issn 0035-9009, 12 p.Article

Conjugate gradients versus multigrid solvers for diffusion-based correlation models in data assimilationGRATTON, S; TOINT, P. L; TSHIMANGA, J et al.Quarterly Journal of the Royal Meteorological Society. 2013, Vol 139, Num 675, pp 1481-1487, issn 0035-9009, 7 p.Article

Improved variational analyses using a nonlinear humidity control variableINGLEBY, N. B; LORENC, A. C; NGAN, K et al.Quarterly Journal of the Royal Meteorological Society. 2013, Vol 139, Num 676, pp 1875-1887, issn 0035-9009, 13 p.Article

Impact of non-smooth observation operators on variational and sequential data assimilation for a limited-area shallow-water equation modelSTEWARD, J. L; NAVON, I. M; ZUPANSKI, M et al.Quarterly Journal of the Royal Meteorological Society. 2012, Vol 138, Num 663, pp 323-339, issn 0035-9009, 17 p.Article

The ERA-Interim reanalysis: configuration and performance of the data assimilation systemDEE, D. P; UPPALA, S. M; BECHTOLD, P et al.Quarterly Journal of the Royal Meteorological Society. 2011, Vol 137, Num 656, pp 553-597, issn 0035-9009, 45 p., aArticle

B-preconditioned minimization algorithms for variational data assimilation with the dual formulationGÜROL, S; WEAVER, A. T; MOORE, A. M et al.Quarterly Journal of the Royal Meteorological Society. 2014, Vol 140, Num 679, pp 539-556, issn 0035-9009, 18 p., bArticle

Direct and Inverse Problems in a Variational Concept of Environmental ModelingPENENKO, Vladimir; BAKLANOV, Alexander; TSVETOVA, Elena et al.Pure and applied geophysics (Printed ed.). 2012, Vol 169, Num 3, pp 447-465, issn 0033-4553, 19 p.Article

Covariance regularization in inverse spaceUENO, Genta; TSUCHIYA, Takashi.Quarterly Journal of the Royal Meteorological Society. 2009, Vol 135, Num 642, pp 1133-1156, issn 0035-9009, 24 p.Article

Data assimilation for the Navier-Stokes-α equationsKORN, Peter.Physica. D. 2009, Vol 238, Num 18, pp 1957-1974, issn 0167-2789, 18 p.Article

Ensemble-based chemical data assimilation. I General approachCONSTANTINESCU, Emil M; SANDU, Adrian; TIANFENG CHAI et al.Quarterly Journal of the Royal Meteorological Society. 2007, Vol 133, Num 626A, pp 1229-1243, issn 0035-9009, 15 p.Article

An observation-space formulation of variational assimilation using a restricted preconditioned conjugate gradient algorithmGRATTON, Serge; TSHIMANGA, Jean.Quarterly Journal of the Royal Meteorological Society. 2009, Vol 135, Num 643, pp 1573-1585, issn 0035-9009, 13 p.Article

Assimilation experiments with CHAMP GPS radio occultation measurementsHEALY, S. B; THEPAUT, J.-N.Quarterly Journal of the Royal Meteorological Society. 2006, Vol 132, Num 615, pp 605-623, issn 0035-9009, 19 p., BArticle

A cloud scheme for data assimilation: Description and initial testsTOMPKINS, A. M; JANISKOVA, M.Quarterly Journal of the Royal Meteorological Society. 2004, Vol 130, Num 602, pp 2495-2517, issn 0035-9009, 23 p., AArticle

Limited-memory preconditioners, with application to incremental four-dimensional variational data assimilationTSHIMANGA, J; GRATTON, S; WEAVER, A. T et al.Quarterly Journal of the Royal Meteorological Society. 2008, Vol 134, Num 632A, pp 751-769, issn 0035-9009, 19 p.Article

Four-dimensional variational assimilation in the unstable subspace and the optimal subspace dimensionTREVISAN, Anna; D'ISIDORO, Massimo; TALAGRAND, Olivier et al.Quarterly Journal of the Royal Meteorological Society. 2010, Vol 136, Num 647B, pp 487-496, issn 0035-9009, 10 p.Article

Bias and data assimilationDEE, D. P.Quarterly Journal of the Royal Meteorological Society. 2005, Vol 131, Num 613, pp 3323-3343, issn 0035-9009, 21 p.Conference Paper

Intercomparison of the primal and dual formulations of variational data assimilationEL AKKRAOUI, Amal; GAUTHIER, Pierre; PELLERIN, Simon et al.Quarterly Journal of the Royal Meteorological Society. 2008, Vol 134, Num 633B, pp 1015-1025, issn 0035-9009, 11 p.Article

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