Orals NP5.1
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NP5.1 Inverse Problems and Data Assimilation in Geosciences |
| Convener: Olivier Talagrand | Co-Convener: Peter Jan van Leeuwen |
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Wednesday, 10 April 2013 Room Y5 Chairperson: Olivier Talagrand |
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| 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 |
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COFFEE BREAK
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| 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 |