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Home > Newsevents > Meetings > Workshops > 2009 > Diagnostics DA System Performance > Diagnostics workshop - Presentations >     
   

Diagnostics workshop - Presentations




 
 

Presentations
Workshop on Diagnostics of data assimilation system performance
15 to 17 June 2009


Monday 15 June

Martin Miller (ECMWF) Welcome and Introduction
Eugenia Kalnay ( Maryland University) Data Assimilation Systems (Review)
Gerald Desroziers (Meteo-France) Objective validation of a data assimilation system: diagnosing sub-optimality (Review)
Chiara Piccolo ( UK Met) Diagnose model error in data assimilation system
Peter Bauer (ECMWF) Observation System Experiment to estimate the impact of observations
Junjie Liu ( Berkeley University) (presented by Eugenia Kalnay)

Information Content in EnKF and the relation with Cross Validation

Loik Berre (Météo France) Estimation and diagnosis of analysis/background error covariances from an ensemble assimilation
Nedjelika Zagar ( University of Ljubljana) Diagnosis of data assimilation systems by using normal modes
Paul Poli (ECMWF) Monitoring long data assimilation time series: a reanalysis perspective with Era-Interim
Angela Benedetti (ECMWF) Chemistry Data Assimilation validation with respect to independent data
Mitchiko Masutani (NOAA) Observing Simulated System Experiment to estimate the potential of future observations

Tuesday 16 June 2009

Ron Gelaro (GMAO) Recent developments in the use and understanding of adjoint-derived estimates of observation impact
Dacian Daescu ( Portland State University) Sensitivity analysis in variational data assimilation and applications
Fernando Prates (ECMWF) FSO: Monitoring the observation forecast impact
Olivier Talagrand (LMD) Verification of Ensemble Systems
Richard Menard (Environment Canada) Convergence and stability of estimated error variances derived from assimilation residuals in observation space
Bernard Chapnik (Météo France)

On-line observation covariance matrix tuning based on optimality diagnostic

Anthony Weaver (CERFACS) Assimilation diagnostics from an ocean 3D-Var/4D-Var system
Working group discussions

Wednesday 17 June 2009

Working group discussions and drafting of recommendations
Plenary Session


Posters:


Chermelle Engel (Melbourne University): A scale-based distortion metric for mesoscale weather verification
Ricardo Todling (NASA): An approach to assess observation impact based on observation-minus-forecast residuals
Elisabeth Remy (CERFACS MERCATOR Ocean): Assimilation diagnostics in the Mercator-Ocean forecasting systems
William Grey (Met Office): Diagnostics for the Assimilation of Observations in the Boundary Layer
Cristina Lupu (Université du Québec à Montréal): Evaluation of the impact of observations on analyses based in information content
Liang Xu (Naval Research Laboratory): Four Dimensional Observation Impact on the US Navy's Atmospheric Analyses and Forecasts (by Liang Xu, Rolf Langland, Nancy Baker, Boon Chua, and Tom Rosmond)
Ronald Errico (NASA/GMAO and UMBC/GEST): Validation of the prototype GMAO OSSE system
n.a.
Tiziana Cherubini ( University of Hawaii): The Impact of Lightning Data Assimilation on a Winter Storm Simulation over the North Pacific Ocean
n.a.

 


 

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