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There are 6573 results for: content related to: A 4D-Var study on the potential of weather control and exigent weather forecasting

  1. Extended assimilation and forecast experiments with a four-dimensional variational assimilation system

    Quarterly Journal of the Royal Meteorological Society

    Volume 124, Issue 550, July 1998 Part B, Pages: 1861–1887, Florence Rabier, Jean-Noel Thépaut and Philippe Courtier

    Version of Record online : 15 DEC 2006, DOI: 10.1002/qj.49712455005

  2. The ECMWF operational implementation of four-dimensional variational assimilation. I: Experimental results with simplified physics

    Quarterly Journal of the Royal Meteorological Society

    Volume 126, Issue 564, April 2000 Part A, Pages: 1143–1170, F. Rabier, H. Järvinen, E. Klinker, J.-F. Mahfouf and A. Simmons

    Version of Record online : 6 JUL 2007, DOI: 10.1002/qj.49712656415

  3. The back and forth nudging algorithm applied to a shallow water model, comparison and hybridization with the 4D-VAR

    International Journal for Numerical Methods in Fluids

    Volume 61, Issue 8, 20 November 2009, Pages: 911–929, D. Auroux

    Version of Record online : 12 DEC 2008, DOI: 10.1002/fld.1980

  4. You have free access to this content
    Experiments on 4D-Var assimilation of rainfall data using an incremental formulation

    Quarterly Journal of the Royal Meteorological Society

    Volume 129, Issue 594, October 2003 Part A, Pages: 3137–3160, Virginie Marécal and Jean-François Mahfouf

    Version of Record online : 29 DEC 2006, DOI: 10.1256/qj.02.120

  5. Comparison between the Local Ensemble Transform Kalman Filter (LETKF) and 4D-Var in atmospheric CO2 flux inversion with the Goddard Earth Observing System-Chem model and the observation impact diagnostics from the LETKF

    Journal of Geophysical Research: Atmospheres

    Volume 121, Issue 21, 16 November 2016, Pages: 13,066–13,087, Junjie Liu, Kevin W. Bowman and Meemong Lee

    Version of Record online : 5 NOV 2016, DOI: 10.1002/2016JD025100

  6. Mixed Gaussian-lognormal four-dimensional data assimilation

    Tellus A

    Volume 62, Issue 3, May 2010, Pages: 266–287, S. J. FLETCHER

    Version of Record online : 23 FEB 2010, DOI: 10.1111/j.1600-0870.2010.00439.x

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    Gaussian quadrature 4D-Var

    Quarterly Journal of the Royal Meteorological Society

    Volume 139, Issue 675, July 2013 Part B, Pages: 1462–1472, R. J. J. Stappers and J. Barkmeijer

    Version of Record online : 6 DEC 2012, DOI: 10.1002/qj.2056

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    Limited-memory preconditioners, with application to incremental four-dimensional variational data assimilation

    Quarterly Journal of the Royal Meteorological Society

    Volume 134, Issue 632, April 2008 Part A, Pages: 751–769, J. Tshimanga, S. Gratton, A. T. Weaver and A. Sartenaer

    Version of Record online : 14 MAY 2008, DOI: 10.1002/qj.228

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    Impact of non-smooth observation operators on variational and sequential data assimilation for a limited-area shallow-water equation model

    Quarterly Journal of the Royal Meteorological Society

    Volume 138, Issue 663, January 2012 Part B, Pages: 323–339, J. L. Steward, I. M. Navon, M. Zupanski and N. Karmitsa

    Version of Record online : 4 OCT 2011, DOI: 10.1002/qj.935

  10. Assimilation of cloud information from space-borne radar and lidar: experimental study using a 1D+4D-Var technique

    Quarterly Journal of the Royal Meteorological Society

    Volume 141, Issue 692, October 2015 Part A, Pages: 2708–2725, M. Janisková

    Version of Record online : 9 MAY 2015, DOI: 10.1002/qj.2558

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    Direct 4D-Var assimilation of all-sky radiances. Part II: Assessment

    Quarterly Journal of the Royal Meteorological Society

    Volume 136, Issue 652, October 2010 Part A, Pages: 1886–1905, Alan J. Geer, Peter Bauer and Philippe Lopez

    Version of Record online : 12 OCT 2010, DOI: 10.1002/qj.681

  12. Incremental 4D-Var convergence study

    Tellus A

    Volume 59, Issue 5, October 2007, Pages: 706–718, YANNICK TRÉMOLET

    Version of Record online : 28 JUN 2008, DOI: 10.1111/j.1600-0870.2007.00271.x

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    Four-dimensional variational assimilation in the unstable subspace and the optimal subspace dimension

    Quarterly Journal of the Royal Meteorological Society

    Volume 136, Issue 647, January 2010 Part B, Pages: 487–496, Anna Trevisan, Massimo D'Isidoro and Olivier Talagrand

    Version of Record online : 1 FEB 2010, DOI: 10.1002/qj.571

  14. Dynamical structure functions in a four-dimensional variational assimilation: A case study

    Quarterly Journal of the Royal Meteorological Society

    Volume 122, Issue 530, January 1996 Part B, Pages: 535–561, Jean-Noël Thépaut, Philippe Courtier, Gilles Belaud and Gwendal Lemaǐtre

    Version of Record online : 15 DEC 2006, DOI: 10.1002/qj.49712253012

  15. The ecmwf operational implementation of four-dimensional variational assimilation. III: Experimental results and diagnostics with operational configuration

    Quarterly Journal of the Royal Meteorological Society

    Volume 126, Issue 564, April 2000 Part A, Pages: 1191–1215, E. Klinker, F. Rabier, G. Kelly and J.-F. Mahfouf

    Version of Record online : 6 JUL 2007, DOI: 10.1002/qj.49712656417

  16. B-preconditioned minimization algorithms for variational data assimilation with the dual formulation

    Quarterly Journal of the Royal Meteorological Society

    Volume 140, Issue 679, January 2014 Part B, Pages: 539–556, S. Gürol, A. T. Weaver, A. M. Moore, A. Piacentini, H. G. Arango and S. Gratton

    Version of Record online : 22 MAY 2013, DOI: 10.1002/qj.2150

  17. Four-dimensional variational data assimilation with a diabatic version of the NCEP global spectral model: System development and preliminary results

    Quarterly Journal of the Royal Meteorological Society

    Volume 127, Issue 573, April 2001 Part A, Pages: 1095–1122, X. Zou, H. Liu, J. Derber, J. G. Sela, R. Treadon, I. M. Navon and B. Wang

    Version of Record online : 19 DEC 2006, DOI: 10.1002/qj.49712757321

  18. The effect of improved ensemble covariances on hybrid variational data assimilation

    Quarterly Journal of the Royal Meteorological Society

    Volume 143, Issue 703, January 2017 Part B, Pages: 785–797, N. E. Bowler, A. M. Clayton, M. Jardak, P. M. Jermey, A. C. Lorenc, M. A. Wlasak, D. M. Barker, G. W. Inverarity and R. Swinbank

    Version of Record online : 8 FEB 2017, DOI: 10.1002/qj.2964

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    Lessons learnt from the operational 1D + 4D-Var assimilation of rain- and cloud-affected SSM/I observations at ECMWF

    Quarterly Journal of the Royal Meteorological Society

    Volume 134, Issue 635, July 2008 Part B, Pages: 1513–1525, Alan J. Geer, Peter Bauer and Philippe Lopez

    Version of Record online : 17 SEP 2008, DOI: 10.1002/qj.304

  20. Derivative-free optimization for large-scale nonlinear data assimilation problems

    Quarterly Journal of the Royal Meteorological Society

    Volume 140, Issue 680, April 2014, Pages: 943–957, S. Gratton, P. Laloyaux and A. Sartenaer

    Version of Record online : 22 MAY 2013, DOI: 10.1002/qj.2169