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Posters NP5.1

NP5.1

Inverse Problems, Data Assimilation, Initial and Model Errors (including Lewis Fry Richardson Medal Lecture)
Convener: Olivier Talagrand  | Co-Conveners: Alberto Carrassi , Alexandre Fournier , Amos Lawless , Matthew Martin , Stéphane Vannitsem , Wansuo Duan 
Orals
 / Wed, 20 Apr, 08:30–12:00  / 13:30–15:00
Posters
 / Attendance Wed, 20 Apr, 17:30–19:00

Attendance Time: Wednesday, 20 April 2016, 17:30–19:00
Hall A
A.319
EGU2016-1557
Possible sources of forecast errors generated by the GRAPES model for landfalling tropical cyclones. Part I: initial uncertainties
Feifan Zhou, Munehiko Yamaguchi, and Xiaohao Qin

A.320
EGU2016-1985
On the predictability of extremes: does the butterfly effect ever decrease?
Alef Sterk, David Stephenson, Mark Holland, and Ken Mylne

A.321
EGU2016-1850
Key observing locations for advancing beyond the winter predictability barrier of Indian Ocean dipole event predictions
Rong Feng, Wansuo Duan, and Mu Mu

A.322
EGU2016-1383
The sensitive area for targeting observation associated with two types of El Niño events
Xuquan Li and Wansuo Duan

A.323
EGU2016-10265
Improving ensemble forecasting with q-norm bred vectors
Diego Pazo, Juan Manuel Lopez, and Miguel Angel Rodriguez

A.324
EGU2016-1408
Relationships between Optimal Precursors Triggering the Onset of North Atlantic Oscillation Events and Optimally Growing Initial Errors during Onset Prediction
Guokun Dai, Mu Mu, and Zhina Jiang

A.325
EGU2016-1409
The initial errors that induce a significant “spring predictability barrier” for El Niño events and their implications for target observation: results from an earth system model
Junya Hu and Wansuo Duan

A.326
EGU2016-17135
Sampling strategies based on singular vectors for assimilated models in ocean forecasting systems
Maria Fattorini, Carlo Brandini, and Alberto Ortolani

A.327
EGU2016-2760
Application of identified sensitive physical parameters in reducing the uncertainty of numerical simulation
Guodong Sun and Mu Mu

A.328
EGU2016-5909
Statistical and Dynamical Properties of Covariant Lyapunov Vectors in a Coupled Atmosphere-Ocean Model – Error dynamics.
Stéphane Vannitsem and Valerio Lucarini

A.329
EGU2016-18123
Revealing the most disturbing tendency error of Zebiak-Cane model associated with El Nino predictions by nonlinear forcing singular vector approach
Wansuo Duan

A.330
EGU2016-3953
Comparison of different assimilation schemes in an operational assimilation system with Ensemble Kalman Filter
Yajing Yan, Alexander Barth, Jean-Marie Beckers, Guillem Candille, Jean-Michel Brankart, and Pierre Brasseur

A.331
EGU2016-10670
Soil moisture assimilation using a modified ensemble transform Kalman filter with water balance constraint
Guocan Wu, Xiaogu Zheng, and Bo Dan

A.332
EGU2016-6008
Variational estimation of process parameters in a simplified atmospheric general circulation model
Guokun Lv, Armin Koehl, and Detlef Stammer

A.333
EGU2016-603 | presentation
Variational data assimilation schemes for transport and transformation models of atmospheric chemistry
Alexey Penenko, Vladimir Penenko, Elena Tsvetova, and Pavel Antokhin

A.334
EGU2016-14991
Allowing for model error in strong constraint 4D-Var
Katherine Howes, Amos Lawless, and Alison Fowler

A.335 EGU2016-15808
Dynamics of the winds, moisture and aerosols in the four-dimensional variational data assimilation (withdrawn)
Žiga Zaplotnik and Nedjeljka Žagar

A.336
EGU2016-14836
Ensemble variational data assimilation with a shallow-water model : preliminary results
Julien Brajard, Jérôme Sirven, and Olivier Talagrand

A.337
EGU2016-10019
Coupled Ocean-Atmosphere 4D-Var: Formulation and Sensitivity Analysis Results
Hans Ngodock, Matthew Carrier, Liang Xu, Clark Amerault, Tim Campbell, and Clark Rowley

A.338
EGU2016-11580
Assimilation of Mode-S EHS aircraft observations with a local EnKF
Heiner Lange and Tijana Janjic

A.339
EGU2016-13208
Conservation laws and LETKF with 2D Shallow Water Model
Yuefei Zeng and Tijana Janjic

A.340
EGU2016-13405
An adaptive additive inflation scheme for Ensemble Kalman Filters
Matthias Sommer and Tijana Janjic

A.341
EGU2016-3478 | presentation
The finite-size EnKF and inflation
Patrick Raanes and Marc Bocquet

A.342
EGU2016-2322
Multilevel Ensemble Transform Particle Filtering
Alastair Gregory, Colin Cotter, and Sebastian Reich

A.343
EGU2016-3816
Non-intrusive Ensemble Kalman filtering for large scale geophysical models
Idrissa Amour and Tuomo Kauranne

A.344
EGU2016-4597
Hierarchical Bayes Ensemble Kalman Filter for geophysical data assimilation
Michael Tsyrulnikov and Alexander Rakitko

A.345
EGU2016-13669
A localized particle filter for data assimilation in high-dimensional geophysical models.
Jonathan Poterjoy and Jeffrey Anderon

A.346
EGU2016-7953
A backtracking algorithm that deals with particle filter degeneracy
Rein Baarsma, Oliver Schmitz, and Derek Karssenberg

A.347
EGU2016-12664
Exploring synchronisation in nonlinear data assimilation
Flavia Rodrigues-Pinheiro and Peter Jan van Leeuwen

A.348
EGU2016-5389
A novel data-driven approach to model error estimation in Data Assimilation
Sahani Pathiraja, Hamid Moradkhani, Lucy Marshall, and Ashish Sharma

A.349
EGU2016-17182
Handling boundaries with the recursive filter
Isabelle Mirouze and Andrea Storto

A.351
EGU2016-13114 | presentation
Assimilation of temperature and salinity profile data in the Norwegian Climate Prediction Model
Yiguo Wang, Francois Counillon, Laurent Bertino, Ingo Bethke, and Noel Keenlyside

A.352
EGU2016-14835
Correcting Biases in a lower resolution global circulation model with data assimilation
Martin Canter and Alexander Barth

A.353
EGU2016-13585
The compressible adjoint equations in geodynamics: equations and numerical assessment
Siavash Ghelichkhan and Hans-Peter Bunge

A.354
EGU2016-3168
Estimation of volcanic ash emissions from satellite data using trajectory-based 4D-Var
Sha Lu, Haixiang Lin, Arnold Heemink, Arjo Segers, and Guangliang Fu

A.355
EGU2016-3130
DART: New Research Using Ensemble Data Assimilation in Geophysical Models
Jeffrey Anderson, Kevin Raeder, Tim Hoar, Nancy Collins, Glen Romine, Jerome Barre, Benjamin Gaubert, Ave Arellano, and Stephanie Wuerth