Workshop on Sensitivity Analysis and Data Assimilation in Meteorology and Oceanography1–5 June 2015, Stonewall Resort |
A presentation number in bold italics indicates a long (invited) talk. Oral presentation times will be strictly enforced: 40 min. for invited talks, 20 min. for regular talks, excluding appended discussion times. Each session will also include a 20 minute break for coffee and snacks.
| Session 0
Sunday: Pre-Workshop Tutorials 31 May 2015 |
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|---|---|---|---|---|
| 1000 | Ronald Errico | 0.1 | Fundamentals of Adjoint Models | |
| 1200 | Lunch | |||
| 1330 | Mike Fisher | 0.2 | Fundamentals of Data Assimilation | |
| 1530 | Close of Tutorial Session | |||
| 1800 | Dinner | |||
| Session 1
Monday Morning 1 June 2015 |
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|---|---|---|---|
| Session Chair: Nikki Privé | |||
| 0830 | Ronald Errico | Welcoming remarks and announcements | |
| Sensitivity Analysis | |||
| 0900 | Martin Leutbecher Simon Lang |
1.1 | Can singular vectors reliably describe the distribution of forecast errors? |
| Brian Ancell Aaron Hill, Brock Burghardt |
1.2 | The Use of Ensemble-Based Sensitivity with Observations to Improve Predictability of Severe Convective Events | |
| Jeremy Berman Ryan Torn, Morris Weisman, Glen Romine |
1.3 | Applying Ensemble-Based Sensitivity Analysis to WRF Convection Forecasts in the Northern Great Plains | |
| Alexander Goldstein | 1.4 | On the dynamics and evolution of forecast uncertainty and forecast sensitivity | |
| Daniel Holdaway | 1.5 | Investigating sensitivity to dust in tropical cyclone formation using the GEOS-5 adjoint model | |
| 1230 | Lunch | ||
| Session 2
Monday Afternoon 1 June 2015 |
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|---|---|---|---|
| Session Chair: Martin Leutbecher | |||
| General sensitivity issues, OSSEs and observation impacts | |||
| 0200 | Matthew J. Lauridsen Brian Ancell |
2.1 | Nonlocal inadvertent weather modification associated with wind farms in the Central United States |
| Michael C. Morgan |
2.2 | Adjustment toward "balance" in the adjoint shallow water system | |
| Brett Hoover Rolf Langland |
2.3 | Observation Impact on the Short Range Forecast Under Simulated Analysis/Forecast System Improvement | |
| Matthias Sommer Martin Weissmann |
2.4 | Ensemble-based approximation of observation impact using an observation-based verification metric | |
| Zhijin Li |
2.5 | Multi-scale data assimilation for fine-resolution models | |
| Nikki Privé Ron Errico |
2.6 | OSSEs for Fun and Profit | |
| 1800 | Dinner | ||
| Session 3
Tuesday Morning 2 June 2015 |
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|---|---|---|---|
| Session Chair: Ricardo Todling | |||
| Variational data assimilation | |||
| 0900 | Katherine Howes Amos Lawless, Alison Fowler |
3.1 | Allowing for model error in strong constraint 4DVAR |
| Selime Gurol Mike Fisher, Serge Gratton |
3.2 | Numerical solution for a time-parallelized formulation of 4D-Var | |
| Ehouarn Simon Serge Gratton, Philippe Toint |
3.3 | Dual space multigrid strategies for variational data assimilation | |
| Răzvan Ştefănescu Adrian Sandu |
3.4 | Reduced-Order Strategies for Efficient 4D-Var Data Assimilation | |
| Tim Payne |
3.5 | Rapid update cycling with overlapping windows | |
| Steven Fletcher Anton J. Kliewer, Andrew S. Jones, John M. Forsythe |
3.6 | Mixed lognormal-Gaussian incremental variational data assimilation | |
| 1230 | Lunch | ||
| Session 4
Tuesday Afternoon 2 June 2015 |
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|---|---|---|---|
| Session Chair: Nancy Nichols | |||
| Variational data assimilation and ocean applications | |||
| 0200 | Vincent Chabot Nodet Maëlle, Vidard Arthur |
4.1 | Dealing with convergence problems when accounting for correlated observation errors in image assimilation |
| Polly Smith | 4.2 | Exploring strategies for coupled 4D-Var data assimilation using an idealised atmosphere-ocean model | |
| Alison Fowler Amos Lawless |
4.3 | The effect of model error in coupled atmosphere-ocean data assimilation | |
| Nils van Velzen Umer Altaf, Martin Verlaan |
4.4 | Autolocalization techniques for ocean modelling using OpenDA | |
| Andy Moore |
4.5 | Adjoints and ooze | |
| 1800 | Dinner | ||
| Session 5
Wednesday 3 June 2015 |
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|---|---|---|---|
| Session Chair: Gerald Desroziers | |||
| Characterizing error | |||
| 0830 | Loïk Berre |
5.1 | Estimation and representation of background error covariances |
| Nancy K. Nichols D. Hodyss |
5.2 | The error of representation: basic understanding | |
| Sarah L Dance J. A. Waller, N. K. Nichols |
5.3 | Theoretical insight into diagnosing observation error spatial correlations using background and analysis innovation statistics | |
| Joanne A. Waller S. L. Dance, N. K. Nichols, D. Simonin, S. P. Ballard, G. Kelly |
5.4 | Diagnosing spatial and inter channel observation error statistics for Doppler radar radial wind and SEVIRI observations | |
| Elizabeth Satterfield William F. Campbell, Nancy Baker |
5.5 | Accounting for correlated satellite observation error in NAVGEM | |
| R. Legrand Y. Michel, T. Montmerle |
5.6 | Estimation of displacement error in a variational framework | |
| 1230 | Lunch | ||
| 1400 | Afternoon Free Activities | ||
| 1800 | Dinner | ||
| Session Chair: Ron Errico | |||
| 1930 | Mike Fisher |
5.8 | TBA |
| Session 6
Thursday Morning 4 June 2015 |
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|---|---|---|---|
| Session Chair: Andrew Moore | |||
| Ensemble or hybrid techniques | |||
| 0900 | Ahmed Attia Vishwas Rao, Adrian Sandu |
6.1 | Efficient sampling strategies for non-Gaussian data assimilation |
| Gerald Desroziers L. Berre, E. Arbogast |
6.2 | 4DEnVar: link with 4D state formulation of variational assimilation and different possible implementations | |
| Amal El Akkraoui |
6.3 | Ensemble inflation in hybrid data assimilation | |
| Benjamin Ménétrier Thomas Auligné |
6.4 | Optimized localization and hybridization to filter ensemble-based covariances | |
| Daryl Kleist Rahul Mahajan, Catherine Thomas |
6.5 | Hybrid 4D EnVar for the NCEP GFS: Implementation plans and potential for outer loops | |
| S. T. K. Lang Massimo Bonavita, Martin Leutbecher |
6.6 | The impact of re-centering perturbations for ensemble forecasts | |
| 1230 | Lunch | ||
| Session 7
Thursday Afternoon 4 June 2015 |
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|---|---|---|---|
| Session Chair: Daryl Kleist | |||
| Ensemble or hybrid techniques and DA of non-standard observations | |||
| 1400 | Yoichiro Ota Takashi Kadowaki |
7.1 | Impact of observation thinning and initialization on the LETKF within JMA's global hybrid 4DVar-LETKF data assimilation system |
| Heiner Lange George C. Craig, Tijana Janjic |
7.2 | Quantifying dynamical inconsistencies in EnKF data assimilation of convective storms | |
| Elias D. Nino Adrian Sandu |
7.3 | Sequential data assimilation methods based on shrinkage covariance estimation | |
| Mohamad El Gharamti Laurent Bertino, Boujemaa Ait-El-Fquih, Annette Samuelsen, Ibrahim Hoteit |
7.4 | Ensemble Strategies for State-Parameters Estimation in Ocean Ecosystem Models | |
| Tom Auligné | 7.5 | Analysis and Prediction of Clouds Using Satellite All-Sky Radiances: Lessons Learned and Perspectives | |
| 1800 | Dinner | ||
| Poster Session Continued
Thursday Evening 1930 EDT 4 June 2015 |
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| Session 8
Friday Morning 5 June 2015 |
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|---|---|---|---|
| Session Chair: Liang Xu | |||
| Ensemble or hybrid techniques and DA of non-standard observations | |||
| 0900 | Ricardo Todling |
8.1 | Insights on observation residual approaches for model and observation error estimation |
| Laura Stewart | 8.2 | Assimilation of transformed retrievals obtained from IASI measurements | |
| Tom Kent Onno Bokhove, Steve Tobias |
8.3 | A modified shallow water model for investigating convective-scale data assimilation | |
| Vishwas Rao Adrian Sandu |
8.4 | Scalable parallel solution and uncertainty quantification techniques for variational data assimilation | |
| Ronald Errico | Closing Remarks | ||
| 1130 | Lunch | ||
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Global Modeling and Assimilation Office NASA Goddard Space Flight Center |
Last Updated: 11 March 2015 |