Presentations

List of all presentors and titles:

• Ades, M.: "Particle filters for large-dimensional problems" abstract
• Amerault, C.: "Adjoint observation impact for a limited area model" presentation
• Amezcua, J.: "Addressing the nonlinear problem of low order clustering in deterministic filters by using mean-preserving non-symmetric solutions of the ETKF" presentation
• Ancell, B.: "The predictability of North American land-falling cyclones" presentation
• Auligné, T.: "Observation Impact on Forecast Error in a Regional Model" abstract
• Barker, D.: "Strategies For The Use Of Ensemble Information in Data Assimilation" presentation
• Barkmeijer, J.: "Optimal linearization trajectories" presentation
• Berre, L.: "Variational ensemble data assimilation at Meteo-France for error covariance modelling and ensemble prediction" abstract
• Blazica, V.: "Quantification of divergence in a mesoscale model" presentation
• Cardinali, C.: "Representing model error in Ensemble Data Assimilation" presentation
• Caron, J-F.: "How to optimally treat large scale information in limited area ensemble-based data assimilation?" presentation
• Caya, A.: "Challenges of assimilating observations for producing high-resolution sea-ice analyses" abstract
• Charlton-Perez, C.L.: "Adapting the UKMO linear model for NWP-based nowcasting" presentation
• Cuzol, A.: "Image assimilation with the weighted ensemble Kalman filter" presentation
• Desroziers, G.: "Accelerating and parallelizing minimizations in ensemble and deterministic variational assimilation" presentation
• El Akkroaui, A.: "Using a Bi-Conjugate Gradient minimization algorithm for variational data assimilation" abstract
• El Gharamti, M.: "Data assimilation into groundwater contaminant models using an ensemble variational approach" presentation
• Errico, R.M.: Tutorial: Fundamentals of Adjoint Models presentation
• Errico, R.M.: "The Design and Validation of Observing System Simulation Experiments at NASA's Global Modeling and Assimilation Office" presentation
• Farrell, P.E.: "A high-level abstraction for developing adjoint models" abstract
• Fletcher, S.J.: "Assimilation of MODIS and AMSR-E Snow Parameter Observations into a Physical Snow Model" abstract
• Fowler, A.: "Measures of observation impact in non-Gaussian data assimilation" abstract
• Gurol, S.: "Preconditioning of conjugate-gradients in observation space with an application to 4D-Var data assimilation" presentation
• Holdaway, D.: "Jacobians of the GEOS5 Relaxed Arakawa-Schubert convection scheme" abstract
• Hoover, B.: "Dynamical sensitivity analysis of tropical cyclogenesis: a barotropic mode in the eastern Pacific" abstract
• Hoteit, I.: "An adjoint-based adaptive ensemble Kalman filter" presentation
• Janiskova, M.: "Forecast error contribution of the global observing system using different energy norms and different representation of physical processes in the adjoint model" abstract
• Janjic, T.: "Domain localization in ensemble based Kalman filter algorithms" abstract
• Kashawlic, E.: "Comparing observation impact on low-level wind forecasts between an ensemble Kalman filter and a 3DVAR data assimilation scheme" abstract
• Kerry, C.: "Quantifying the sensitivity of nonlinear tides in the Philippine Sea" presentation
• Kleist, D.: "Evaluation of a hybrid ensemble-variational data assimilation scheme using an OSSE" presentation
• Kuhl, D.: " Which matters more in Hybrid Ensemble 4D-VAR, variances or correlations?" presentation
• Leutbecher, M.: "On ensemble forecasts, singular vectors and reliability" presentation
• Li, Z.: "A multi-scale three dimensional variational data assimilation scheme and its application to coastal oceans" presentation
• Liu, Z.: "Variational assimilation of MODIS aersosol optical depth over east Asia region" presentation
• Loo, C.:"Test of a new preconditioner in operational 4DVAR at Météo-France" abstract
• Lorenc, A.: "The Met Office's hybrid ensemble-4D-Var scheme" presentation
• Marriott, R.: "Forecast-error-sensitivity to observations in the UM" presentation
• Menetrier, B.: "Variational ensemble-based forecast error variance maps filtering, a toy-models approach." abstract
• Michel, Y.: "Estimating deformations of random processes for correlation modelling in data assimilation" abstract
• Migliorini, S.: "Information-based data selection for ensemble data assimilation" presentation
• Montmerle, T.: "Use of heterogeneous background error covariances accounting for precipitations at convective scale" presentation
• Moore, A.: "Estimates of analysis error, forecast error, and predictability derived from the adjoint of 4D-Var" presentation
• Morgan, M.C.: "An adjoint description of geostrophic adjustment" abstract
• Neef, L.: "Assimilation of Earth Rotation Parameters into an Atmosphere Model" abstract
• Nichols, N.K.: "Resolution of sharp fronts in the presence of model error using L1-regularized variational assimilation" abstract
• Pannekoucke, O.: "Sensitivity of the KFS to the trajectory of reference" abstract
• Payne, T.: "Accounting for linearisation error in the Extended Kalman Filter and 4D-Var" abstract
• Pelc, J.S.: "Model-reduced 4D-Var data assimilation in application to 1D ecosystem model" presentation
• Petrie, R.: "Background error covariance modeling using normal modes." presentation
• Piccolo, C.: "Adaptive mesh method in the Met Office variational data assimilation system" abstract
• Pocock, J.A.: "Errors of representativity" abstract
• Powell, B.: "Quantifying the role of observations in ocean state estimation " presentation
• Prager, T.: "On the possibilities and limits of direct physical interpretation and synoptical use of mathematical objects related to the adjoint hydro-thermodynamical equations abstract
• Privé, N.: "Observing System Simulation Experiments (OSSEs) as tools for the investigation of data assimilation systems" presentation
• Raynaud, L.: "Accounting for model error in global and regional ensemble data assimilation systems" abstract
• Rosmond, T.: "Balanced Ensemble Localization with Normal Mode Initialization" abstract
• Sandu, A.: "Properties of discrete adjoints for adaptive models" abstract
• Satterfield, E.: "Deriving optimal weights for combining static and flow-dependent covariance models" presentation
• Smith, P.: "Application of weak constraint dual formulation 4D-Var to the California Current System" abstract
• Sumihar, J.: "File-based model connections for data-assimilation with OpenDa" abstract
• Sun, X.: "4-Dvar spectral covariance with horizontal anisotropic transformation" abstract
• Titaud, O.: " On the use of Lagrangian Coherent Structures in direct assimilation of ocean tracer images." presentation
• Todling, R.: "A smoother-based strategy to estimate system error covariances" abstract
• Tremolet, Y.: "Towards a longer 4D-Var assimilation window" presentation
• Varella, H.: "Modelling of flow-dependent ensemble-based background error correlations using a wavelet formulation." presentation
• van Leeuwen, P.: "Introduction to Particle Filters" presentation
• van Velzen, N.: "Generic parallelization strategies for data assimilation applications." presentation
• Verlaan, M.: "Ensemble based observations sensitivity applied to storm surge forecasting" abstract
• Weaver, A.: "On the diffusion equation and its application to isotropic and anisotropic correlation modelling in variational assimilation" presentation
• Xiao, Q.: "Evaluation of WRF 3/4D-Var and En3/4D-Var data assimilation methods for the antarctic applications" abstract
• Xu, L.: "Optimal Sensor Placement for Data Assimilations" presentation
• Zagar, N.: "Comparison of balance and flow-dependency of large-scale background-error variances in two ensembles" abstract
• Zhang, X.: "Control of lateral boundary conditions in WRF 4D-Var" presentation

  ---

  GMAO Head: Michele Rienecker Global Modeling and Assimilation Office NASA Goddard Spac e Flight Center

  Curator: Nikki Privé Last Updated: May 27 2011