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There are 14269 results for: content related to: An investigation of incremental 4D-Var using non-tangent linear models

  1. 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

    Article first published online : 19 DEC 2006, DOI: 10.1002/qj.49712757321

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    Direct 4D-Var assimilation of all-sky radiances. Part I: Implementation

    Quarterly Journal of the Royal Meteorological Society

    Volume 136, Issue 652, October 2010 Part A, Pages: 1868–1885, Peter Bauer, Alan J. Geer, Philippe Lopez and Deborah Salmond

    Article first published online : 12 OCT 2010, DOI: 10.1002/qj.659

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    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

    Article first published online : 29 DEC 2006, DOI: 10.1256/qj.02.120

  4. 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

    Article first published online : 6 DEC 2012, DOI: 10.1002/qj.2056

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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

    Article first published online : 12 OCT 2010, DOI: 10.1002/qj.681

  6. Incremental 4D-Var convergence study

    Tellus A

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

    Article first published online : 28 JUN 2008, DOI: 10.1111/j.1600-0870.2007.00271.x

  7. 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

    Article first published online : 22 MAY 2013, DOI: 10.1002/qj.2150

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    Satellite cloud and precipitation assimilation at operational NWP centres

    Quarterly Journal of the Royal Meteorological Society

    Volume 137, Issue 661, October 2011 Part B, Pages: 1934–1951, Peter Bauer, Thomas Auligné, William Bell, Alan Geer, Vincent Guidard, Sylvain Heilliette, Masahiro Kazumori, Min-Jeong Kim, Emily H.-C. Liu, Anthony P. McNally, Bruce Macpherson, Kozo Okamoto, Richard Renshaw and Lars-Peter Riishøjgaard

    Article first published online : 24 AUG 2011, DOI: 10.1002/qj.905

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    Diagnostics of linear and incremental approximations in 4D-Var

    Quarterly Journal of the Royal Meteorological Society

    Volume 130, Issue 601, July 2004 Part B, Pages: 2233–2251, Yannick Tr'emolet

    Article first published online : 29 DEC 2006, DOI: 10.1256/qj.03.33

  10. 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

    Article first published online : 6 JUL 2007, DOI: 10.1002/qj.49712656415

  11. Computation of observation sensitivity and observation impact in incremental variational data assimilation

    Tellus A

    Volume 60, Issue 5, October 2008, Pages: 964–978, YANNICK TRÉMOLET

    Article first published online : 15 AUG 2008, DOI: 10.1111/j.1600-0870.2008.00349.x

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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

    Article first published online : 14 MAY 2008, DOI: 10.1002/qj.228

  13. 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

    Article first published online : 9 MAY 2015, DOI: 10.1002/qj.2558

  14. 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

    Article first published online : 6 JUL 2007, DOI: 10.1002/qj.49712656417

  15. 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

    Article first published online : 15 DEC 2006, DOI: 10.1002/qj.49712455005

  16. The ECMWF operational implementation of four-dimensional variational assimilation. II: Experimental results with improved physics

    Quarterly Journal of the Royal Meteorological Society

    Volume 126, Issue 564, April 2000 Part A, Pages: 1171–1190, J.-F. Mahfouf and F. Rabier

    Article first published online : 6 JUL 2007, DOI: 10.1002/qj.49712656416

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    The Met Office global four-dimensional variational data assimilation scheme

    Quarterly Journal of the Royal Meteorological Society

    Volume 133, Issue 623, January 2007 Part B, Pages: 347–362, F. Rawlins, S. P. Ballard, K. J. Bovis, A. M. Clayton, D. Li, G. W. Inverarity, A. C. Lorenc and T. J. Payne

    Article first published online : 21 MAR 2007, DOI: 10.1002/qj.32

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    Modelling of error covariances by 4D-Var data assimilation

    Quarterly Journal of the Royal Meteorological Society

    Volume 129, Issue 595, October 2003 Part B, Pages: 3167–3182, Andrew C. Lorenc

    Article first published online : 29 DEC 2006, DOI: 10.1256/qj.02.131

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    A comparison of two methods for developing the linearization of a shallow-water model

    Quarterly Journal of the Royal Meteorological Society

    Volume 129, Issue 589, January 2003 Part C, Pages: 1237–1254, A. S. Lawless, N. K. Nichols and S. P. Ballard

    Article first published online : 29 DEC 2006, DOI: 10.1256/qj.02.75

  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

    Article first published online : 22 MAY 2013, DOI: 10.1002/qj.2169