SEARCH

SEARCH BY CITATION

References

  • Anderson JL, Hoar T, Raeder K, Liu H, Collins N, Torn R, Arellano AF. 2009. The Data Assimilation Research Testbed: a community data assimilation facility. Bull. Am. Meteorol. Soc. 90: 12831296.
  • Bechtold PM, Koehler M, Jung T, Doblas-Reyes F, Leutbecher M, Rodwell MJ, Vitart F, Balsamo G. 2008. Advances in simulating atmospheric variability with the ECMWF model: from synoptic to decadal time-scales. Q. J. R. Meteorol. Soc. 134: 13371351.
  • Berner J, Shutts MLG, Palmer T. 2009. A spectral stochastic kinetic energy backscatter scheme and its impact on flow-dependent predictability in the ECMWF ensemble prediction system. J. Atmos. Sci. 66: 603626.
  • Berre L, Stefanescu SE, Belo-Pereira M. 2006. The representation of the analysis effect in three error simulation techniques. Tellus 58A: 196209.
  • Collins WD, Bitz C, Blackmon M, Bonan G, Bretherton C, Carton J, Chang P, Doney S, Hack J, Henderson T, Kiehl J, Large W, McKenna D, Santer B, Smith RD. 2006. The Community Climate System Model: CCSM3. J. Climate 19: 21222143.
  • Fisher M. 2003. Background error covariance modelling. In Proceedings of ECMWF Seminar on Recent Developments in Data Assimilation for Atmosphere and Ocean, 8–12 September 2003, Reading, UK; 4564.
  • Fisher M, Holm E, Tan D, Thepaut J-N, Tremolet Y. 2009. Balance in the ECMWF analysis. ECMWF Research Department Memorandum, 24 September 2009.
  • Houtekamer PL, Mitchell HL. 2005. Ensemble Kalman filtering. Q. J. R. Meteorol. Soc. 131: 32693289.
  • Ingleby NB. 2001. The statistical structure of forecast errors and its representation in the Met Office Global 3-D Variational Data Assimilation Scheme. Q. J. R. Meteorol. Soc. 127: 209231.
  • Isaksen L, Fisher M, Berner J. 2007. Use of analysis ensembles in estimating flow-dependent background error variance. In Proceedings of ECMWF Workshop on Flow-Dependent Aspects of Data Assimilation, 11–13 June 2007, Reading, UK; 6586.
  • Jung T. 2011. Diagnosing remote origins of forecast error: relaxation versus 4d-var data-assimilation experiments. Q. J. R. Meteorol. Soc. 137: 598606.
  • Jung T, Balsamo G, Bechtold P, Beljaars ACM, Khler M, Miller MJ, Morcrette J-J, Orr A, Rodwell MJ, Tompkins AM. 2010. The ECMWF model climate: recent progress through improved physical parametrizations. Q. J. R. Meteorol. Soc. 136: 11451160.
  • Kasahara A, Puri K. 1981. Spectral representation of three-dimensional global data by expansion in normal mode functions. Mon. Weather Rev. 109: 3751.
  • Lindskog M, Dee D, Tremolet Y, Andersson E, Radnoti G, Fisher M. 2009. A weak-constraint four-dimensional variational analysis system in the stratosphere. Q. J. R. Meteorol. Soc. 135: 695706.
  • Žagar N, Gustafsson N, Källén E. 2004. Variational data assimilation in the Tropics: the impact of a background error constraint. Q. J. R. Meteorol. Soc. 130: 103125.
  • Žagar N, Andersson E, Fisher M. 2005. Balanced tropical data assimilation based on a study of equatorial waves in ECMWF short-range forecast errors. Q. J. R. Meteorol. Soc. 131: 9871011.
  • Žagar N, Andersson E, Fisher M, Untch A. 2007. Influence of the quasi-biennial oscillation on the ECMWF model short-range forecast errors in the tropical stratosphere. Q. J. R. Meteorol. Soc. 133: 18431853.
  • Žagar N, Tribbia J, Anderson JL, Raeder K. 2009a. Uncertainties of estimates of inertio-gravity energy in the atmosphere. Part I: Intercomparison of four analysis datasets. Mon. Weather Rev. 137: 38373857.
  • Žagar N, Tribbia J, Anderson JL, Raeder K. 2009b. Uncertainties of estimates of inertio-gravity energy in the atmosphere. Part II: large-scale equatorial waves. Mon. Weather Rev. 137: 38583873.
  • Žagar N, Tribbia J, Anderson JL, Raeder K. 2010a. Corrigendum. Mon. Weather Rev. 138: 24762477.
  • Žagar N, Tribbia J, Anderson JL, Raeder K, Kleist DT. 2010b. Diagnosis of systematic analysis increments by using normal modes. Q. J. R. Meteorol. Soc. 136: 6176.
  • Žagar N, Tribbia J, Anderson JL, Raeder K. 2011. Balance of the background-error variances in the ensemble assimilation system DART/CAM. Mon. Weather Rev. 139: 20612079.