Session 8 Advances in Data Assimilation Methodology for Nonlinear Multiscale Problems

Tuesday, 14 January 2025: 4:30 PM-6:00 PM
222 (New Orleans Ernest N. Morial Convention Center)
Host: 29th Conference on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS)
Chair:
Clara S. Draper
CoChair:
Man-Yau (Joseph) Chan

Papers:
4:30 PM
8.1
Combining nonlinear DA and generative ML methods for fast high-dimensional Bayesian Inference
Peter Jan van Leeuwen, Colorado State University, Fort Collins, CO

4:45 PM
8.2
Advancing EnKF-based Infrared Radiance Data Assimilation through Understanding and Mitigating Non-Gaussian Artefacts
Man-Yau (Joseph) Chan, The Ohio State University, Columbus, OH

5:00 PM
8.3
Recent Developments in Land Data Assimilation for Global NWP at NOAA.
Clara S. Draper, NOAA PSL, Boulder, CO; and M. J. Barlage, J. Dong, T. Z. Gichamo, D. T. Kleist, C. R. Martin, C. Thomas, J. S. Whitaker, Y. Xia, and Y. Xue

5:15 PM
8.4
Generalization of the NCOM-4DVAR: application to HYCOM
Hans E. Ngodock, NRL, Stennis Space Center, MS

5:30 PM
8.5
Nonlinear Ensemble Filtering with Diffusion Models: Application to the Surface Quasi-Geostrophic Dynamics
Hristo G. Chipilski, Florida State University, Tallahassee, FL; and F. Bao, S. Liang, G. Zhang, and J. S. Whitaker

Handout (46.5 MB)

5:45 PM
8.6
Analysis of Stability and Convergence in Incremental Schemes for Nonlinear Satellite Cloud Radiance Assimilation
Yali Wu, Shenzhen Institute of Meteorological Innovation, Shenzhen, Guangdong, China; and Y. N. Xie

Recorded Presentation
- Indicates paper has been withdrawn from meeting
- Indicates an Award Winner
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