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Orals NP5.1

NP5.1

Inverse Problems and Data Assimilation in Geosciences
Convener: Olivier Talagrand  | Co-Convener: Peter Jan van Leeuwen 
Orals
 / Wed, 10 Apr, 13:30–17:15  / Room Y5
Posters
 / Attendance Thu, 11 Apr, 17:30–19:00  / Blue Posters
Poster Summaries & DiscussionsPSD3.1  / Tue, 09 Apr, 17:30–18:15  /  

Wednesday, 10 April 2013
Room Y5
Chairperson: Olivier Talagrand
13:30–13:45
EGU2013-3001
Geomagnetic inverse problem and data assimilation: a progress report (solicited)
Julien Aubert and Alexandre Fournier
13:45–14:00
EGU2013-5987
Data inversion in coupled subsurface flow and geomechanics models
Marco Iglesias
14:00–14:15
EGU2013-1952
Implicit sampling and its connection to variational data assimilation
Matthias Morzfeld and Alexandre Chorin
14:15–14:30
EGU2013-12699
Estimating the full posterior pdf with particle filters
Melanie Ades and Peter Jan van Leeuwen
14:30–14:45
EGU2013-7029
Comparison of two ways for representation of the forecast probability density function in ensemble-based sequential data assimilation
Shinya Nakano
14:45–15:00
EGU2013-2254 | presentation
Bayesianity of Ensemble Variational Assimilation
Mohamed Jardak and Olivier Talagrand
15:00–15:15
EGU2013-1631
Posterior covariance versus analysis error covariance in variational data assimilation
Victor Shutyaev, Igor Gejadze, and Francois-Xavier Le Dimet
COFFEE BREAK
15:30–15:45
EGU2013-4087
A regularization of the carbon cycle data-fusion problem (solicited)
Sylvain Delahaies, Ian Roulstone, and Nancy Nichols
15:45–16:00
EGU2013-6668
Improved L-BFGS diagonal preconditioners for a large-scale 4D-Var inversion system: application to CO2 flux constraints and analysis error calculation
Nicolas Bousserez, Daven Henze, Kevin Bowman, Junjie Liu, Dylan Jones, Martin Keller, and Feng Deng
16:00–16:15
EGU2013-10580 | presentation
Offline parameter estimation using EnKF and maximum-likelihood error covariance estimates
Pierre Tandeo and Manuel Pulido
16:15–16:30
EGU2013-9239 | presentation
Comparison of EnKF and 4DVar methods in the context of stratospheric chemistry data assimilation
Sergey Skachko, Quentin Errera, Simon Chabrillat, Richard Ménard, and Yves Christophe
16:30–16:45
EGU2013-1680
Assimilation of FORMOSAT-3/COSMIC electron density profiles into a coupled Thermosphere/Ionosphere model
I-Te Lee, Tomoko Matsuo, Arthur D. Richmond, and Jann-Yeng Tiger Liu
16:45–17:00
EGU2013-7049
Accounting for spatial correlations of the observation errors with Ensemble Kalman filters
Emmanuel Cosme, Brankart Jean-Michel, Ubelmann Clément, Verron Jacques, and Brasseur Pierre
17:00–17:15
EGU2013-1981
On the impact of nonlinearity on ensemble smoothing
Lars Nerger, Svenja Schulte, and Angelika Bunse-Gerstner