Meeting 4
July 19 – 21, 2022
Conference room (4th floor), Southwest Research Institute
1050 Walnut St, Suite 300, Boulder, CO 80302
Meeting video recordings:
Day 1 | Day 2 | Day 3 | Speaker/Audience
| Time | Speakers | Title |
|---|---|---|
| Tuesday July 19 | ||
| 09:30 ‑ 09:35 | Mausumi Dikpati / Nick Featherstone | Introduction |
| Active Region Flows --- Chair: Maria Camisassa | ||
| 09:35 ‑ 10:30 | Doug Braun | Observations and simulations of active region flows |
| 10:30 ‑ 11:00 | Coffee break | |
| 11:00 ‑ 11:30 | Sushant Mahajan | Removal Of Active Region Inflows Reveals a Weak Solar Cycle Scale Trend In Near-surface Meridional Flow |
| 11:30 ‑ 12:00 | Yang Liu | Plan for next tasks |
| 12:00 ‑ 13:30 | Lunch break | |
| Active Region Flows (contd.) --- Chair: Dipankar Banerjee | ||
| 13:30 ‑ 14:00 | Sushant Tripathy | Comparison of subsurface flows from HMI, MDI and GONG during the overlapping period of May-July 2010 |
| 14:00 ‑ 14:30 | Rudi Komm | Radial Gradient of the Solar Rotation Rate in the Near-Surface Shear Layer |
| 14:30 ‑ 15:00 | Coffee break | |
| 15:00 ‑ 15:30 | Kiran Jain | Active region flows |
| 15:30 ‑ 16:00 | Robert Leamon | The Solar Cycle Clock: Post-Terminator Updates |
| Wednesday July 20 | ||
| Global Flows and Long-Term Data --- Chair: Sushant Mahajan | ||
| 09:30 ‑ 09:50 | Junwei Zhao | Progress Report on Deriving Global-Scale Flows Using Time-Distance Helioseismology |
| 09:50 ‑ 10:20 | Xudong Sun | HMI Polar Field Observation During the Rising Phase of Activity Cycle 25 |
| 10:20 ‑ 10:50 | Coffee break | |
| 10.50 – 11.20 | Dipankar Banerjee | Update on the Kodaikanal Digitized Archive to Study Long Term Variation of Solar Cycles |
| 11:20 ‑ 11:40 | Yan Xu | Collective Study of Polar Crown Filaments in the Past Four Solar Cycles |
| 11:40 ‑ 11:55 | Piyush Agrawal | Improvements to Solar Axisymmetric Flow Measurements: Preliminary Results |
| 11:55 ‑ 12:10 | Derek Lamb | Measurements of global flows: DR and MC |
| 12:10 ‑ 13:30 | Lunch break | |
| Global Flows and Long-Term Data (contd.) --- Chair: Nick Featherstone | ||
| 13:30 ‑ 14:00 | Qin Li | Study of global photospheric and chromospheric flows using local correlation tracking and machine learning methods |
| 14:00 ‑ 14:30 | Lisa Upton | Measurement of solar flows over two solar cycles |
| 14:30 ‑ 15:00 | Coffee break | |
| Simulations, Data Assimilation and Predictability Estimates | ||
| 15:00 ‑ 15:30 | Brad Hindman | A self-consistent tachocline simulation or thermal Rossby waves in the CZ |
| 15:30 ‑ 16:00 | Catherine Blume | Rossby waves in the radiative interior |
| Thursday July 21 | ||
| Simulations, Data Assimilation and Predictability Estimates (contd.) --- Chair: Qin Li | ||
| 09:30 ‑ 10:00 | Marc DeRosa | Ensemble Kalman Filter (EnKF) data assimilation in SFT model for deriving meridional flow profiles |
| 10:00 ‑ 10:30 | Jay Johnson | Information Horizon of Active Regions |
| 10:30 ‑ 11:00 | Coffee break | |
| 11:00 ‑ 11:30 | Nick Featherstone | The dependence of deep meridional flow structure on Rossby number and convection zone depth |
| 11:30 ‑ 12:00 | Maria Camisassa | The transition from solar-like to antisolar differential rotation: a geometric interpretation. |
| 12:00 ‑ 13:30 | Lunch break | |
| Simulations, Data Assimilation and Predictability Estimates (contd.) --- Chair: Lisa Upton | ||
| 13:30 ‑ 13:50 | Breno Raphaldini | Nonlinear interactions among solar Rossby wave modes and implications for long-term solar variability |
| 13:50 ‑ 14:10 | Aimee Norton | Delta spots and activity nests in solar cycle 24 |
| 14:10 ‑ 14:30 | Mausumi Dikpati | Estimating Predictability Limits for Active-Longitudes Simulations using Ensemble Methods |
| 14:30 ‑ 15:00 | Coffee break | |
| 15:00 ‑ 16:00 | All | General Discussions and Final Year Planning |
Tuesday, July 12, 2022