The Data Assimilation Section
The Data Assimilation Section studies advanced assimilation techniques, including Four-Dimensional Variational (4D-Var) and Ensemble Kalman Filter (EnKF) approaches, aimed at developing a unified WRF data assimilation (DA) system and with a particular focus on assimilating remotely sensed satellite and radar data at convective/mesoscales.
| Name | Title | Interests | Contact |
|---|---|---|---|
| Tom Auligné | Project Scientist | Variational DA. EnKF. Satellite data | auligne@ucar.edu 303 497 8216 |
| Junmei Ban | Associate Scientist | 4DVar | jban@ucar.edu 2727 |
| Judith Berner | Scientist | Representation of model uncertainty, ensemble forecasting | berner@ucar.edu 303 497 2877 |
| Young-Run Guo | Associate Scientist | Variational DA | guo@ucar.edu 303 497 8142 |
| So-Young Ha | Project Scientist | DA for MPAS, EnKF, ensemble forecasting | syha@ucar.edu 303 497 2601 |
| Xiang-Yu (Hans) Huang | Program Manager | Variational DA | huangx@ucar.edu 303 497 8975 |
| Hui-Chuan Lin | Associate Scientist | Variational DA, Satellite data | hclin@ucar.edu 303 497 8977 |
| Zhiquan Liu | Project Scientist | Variational, EnKF, Hybrid DA. Satellite data. Reanalysis | liuz@ucar.edu 303 497 8195 |
| Arthur Mizzi | Project Scientist | Hybrid DA | mizzi@ucar.edu 303 497 8987 |
| Syed Rizvi | Associate Scientist | Variational DA | rizvi@ucar.edu 303 497 8925 |
| Glen Romine | Project Scientist | DA and prediction for severe storms, EnKF | romine@ucar.edu 303 497 8997 |
| Craig Schwartz | Associate Scientist | Variational DA. EnKF. Satellite data | schwartz@ucar.edu 303 497 1841 |
| Kathryn Smith | Associate Scientist | Ensemble forecasting, numerical weather prediction | smithkr@ucar.edu 303 497 8967 |
| Chris Snyder | Senior Scientist - Section Head | Ensemble-based data assimilation, dynamics and predictability of mesoscale flows | chriss@ucar.edu 303 497 8966 |
| Jenny (Juanzhen) Sun | Scientist | Variational DA, Radar data | sunj@ucar.edu 303 497 8957 |
| Hongli Wang | Porstgraduate Scientist | Variational DA. Satellite data. Radar data | hlwang@ucar.edu 303 497 8183 |
| Zhuming Ying | Associate Scientist | Variational DA, Radar data | zhuming@ucar.edu 303 497 1442 |
| Xin Zhang | Software Engineer | Variational DA | xinzhang@ucar.edu 303 497 8955 |
| Other Divisions | |||
|---|---|---|---|
| Name | Title | Interests | Contact |
| Jeff Anderson | Senior Scientist (CISL) | jla@ucar.edu 303 497 8991 |
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| Nancy Collins | Software Engineer (CISL) | nancy@ucar.edu 303 497 2461 |
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| Tim Hoar | Associate Scientist (CISL) | thoar@ucar.edu 303 497 1708 |
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| Hui Liu | Project Scientist (CISL) | hliu@ucar.edu 303 497 1304 |
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| Ying Zhang | (RAL) | yingz@ucar.edu 303 497 8955 |
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| Long-term Visitors | |||
|---|---|---|---|
| Name | Title | Interests | Contact |
| Emmanuel Cosme | Long-Term Visitor | Non-linear and non-Gaussian data assimilation | cosme@ucar.edu 303 497 8151 |
| David Dowell | Long-Term Visitor | DA and prediction for sever storms, EnKF | ddowell@ucar.edu 303 497 8203 |
| Feng Gao | Long-Term Visitor | fgao@ucar.edu 303 497 8969 |
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| Lili Lei | ASP Fellow | lililei@ucar.edu 303 497 2431 |
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| Ruifang Li | Long-Term Visitor | lir@ucar.edu 303 497 8938 |
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| Jianyu Liu | Long-Term Visitor | jliu@ucar.edu 303 497 2731 |
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| Dongmei Xu | Long-Term Visitor | dmxu@ucar.edu 303 497 8173 |
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- Ensemble Kalman Filter (EnKF)
- Variational assimilation (3DVar, 4DVar)
- Hybrid Ensemble/Variation assimilation
- Observation Impact
- Reanalysis
- Assimilation of radar data
- Assimilation of satellite data
- Assimilation of aerosol data (using WRF-Chem)
- Model error
- Ensemble forecasting