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Mathematical Issues and Challenges in Data Assimilation for Geophysical Systems: Interdisciplinary Perspectives

February 22 - 25, 2005

IPAM Building
Room 1200

Printable Version

Tuesday, February 22, 2005

Morning Session

8:00 - 8:45 Check-In/Breakfast (Hosted by IPAM)
8:45 - 9:00 Welcome and Opening Remarks
9:00 - 10:00

Joseph Tribbia (National Center for Atmospheric Research)

"Waves, Information and Local Predictability"
Presentation (PowerPoint File)

10:00 - 10:30 Break
10:30 - 11:30

Chris Snyder (National Center for Atmospheric Research)

"An ensemble filtering pot-pourri "
Presentation (PowerPoint File)

11:30 - 1:30 Lunch (on your own)

Afternoon Session

1:30 - 2:30

Richard Kleeman (New York University)

"Dynamical predictability and initialization: a statistical prediction perspective"
Presentation (PDF File)

2:30 - 3:00 Break
3:00 - 4:00

Arthur Krener (University of California at Davis)

"Model Based Smoothing of Linear and Nonlinear Processes"
Presentation (PDF File)

4:00 - 5:00

Padhraic Smyth (University of California at Irvine)

"Graphical Models for Sequential Data Modeling and Forecasting"
Presentation (PDF File)

5:00 - 6:30 Wine/Cheese Reception (Hosted by IPAM)
5:00 - 6:30 Poster Session

Wednesday, February 23, 2005

Morning Session

8:00 - 9:00 Check-In/Breakfast (Hosted by IPAM)
9:00 - 9:45

Greg Eyink (Johns Hopkins University)

"Entropy-Based Ensemble Prediction Schemes"
Presentation (PDF File)

9:45 - 10:15 Break
10:15 - 11:00

Carolyn A. Reynolds (Naval Research Laboratory)

"Adaptive Observing"
Presentation Files (Zip Archive)

11:00 - 11:45

Edriss Titi (University of California at Irvine/Weizmann Institute of Science)

"Is Galerkin Projection The Right Scheme?"
Presentation (PDF File)

11:45 - 1:30 Lunch (on your own)

Afternoon Session

1:30 - 2:15

Leonard A. Smith (London School of Economics)

"Indistinguishable States and Data Assimilation"
Presentation (PDF File)

2:15 - 2:45 Break
2:45 - 4:00 Open Discussion
4:00 - 4:45

Richard Sowers (University of Illinois at Urbana-Champaign)

"Diffusely-Perturbed Transport of Passive Scalars in Pseudoperiodic Flows"
Presentation (PDF File)


Thursday, February 24, 2005

Morning Session

8:00 - 9:00 Check-In/Breakfast (Hosted by IPAM)
9:00 - 9:45

Brian Hunt (University of Maryland)

"Efficient assimilation of atmospheric data: a Local Ensemble Transform Kalman Filter"
Presentation (PDF File)

9:45 - 10:15 Break
10:15 - 11:00

Andrew Stuart (University of Warwick)

"Conditional Path Sampling of SDEs and Data Assimilation"
Presentation (PDF File)

11:00 - 11:45

Pierre F.J. Lermusiaux (Harvard University)

"Adaptive Sampling, Data assimilation and Adaptive Modeling"
Presentation (PDF File)

11:45 - 1:30 Lunch (on your own)

Afternoon Session

1:30 - 2:15

Igor Mezic (UCSB)

"Two topics in coupling probabilistic and dynamical systems approaches in analysis of complex system behavior"
Presentation (PowerPoint File)

2:15 - 2:45 Break
2:45 - 3:45

James McWilliams (UCLA)

"A View of Earth Observing Systems, Earth System Modeling, and Challenges for Data Assimilation"
Presentation (PDF File)

3:45 - 5:00 Open Discussion
5:00 - 7:00 Dinner (Hosted by IPAM)

Friday, February 25, 2005

Morning Session

8:00 - 9:00 Check-In/Breakfast (Hosted by IPAM)
9:00 - 10:00

Istvan Szunyogh (University of Maryland)

"Assessing a Local Ensemble Kalman Filter"
Presentation (PowerPoint File)

10:00 - 10:30 Break
10:30 - 11:30

William W. Symes (Rice University)

"Cross-scale interaction in seismic inversion"
Presentation (PDF File)

11:30 - 1:30 Lunch (on your own)

Afternoon Session

1:30 - 2:30

Jim Hansen (Massachusetts Institute of Technology)

"Parameter estimation: To what extent can data assimilation techniques correctly uncover stochasticity?"
Presentation (PowerPoint File)

2:30 - 3:00 Break
3:00 - 4:00

Oliver Talagrand (Ecole Normale Supérieure, France)

"Some Aspects of Validation of Assimilation Algorithms "
Presentation (PDF File)

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