2013 Workshop:CEDAR-GEM Agenda

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NOTE: To maintain a workshop atmosphere, all speakers have been requested to allow 5 min for discussion. We ask attendees to actively participate in these and the other more extended discussion periods.


8:25: Intro: Lyons

A. Dayside MIT response to transient solar wind, bow shock, and magnetopause phenomena):

Chairs for A, and B before break: Hui Zhang and David Sibeck

1. Energy and mass transfer through the magnetosheath and magnetopause associated with transients and the generation of magnetic field-aligned currents.

8:30: Nick Omidi: The effects of solar wind transients on the outer and inner magnetosphere

8:45 Drew Turner: multipoint observations of transient ion foreshock phenomena upstream of Earth's bow shock and their impacts on the magnetosphere-ionosphere-thermosphere system.

9:00 Andrey A. Samsonov: Magnetospheric response to solar wind dynamic pressure variations.

9:10 Hui Zhang: Physics of Hot Flow Anomalies and their possible ionospheric signatures

2. Impacts on the dayside IT system produced by transient field-aligned currents (e.g., Joule Heating, traveling ionospheric disturbances (TIDs), gravity waves, changes in thermospheric O/N2 ratio, current closure, outflow)

3. Magnetosphere-ionosphere mapping of transient features and mutual MIT coupling along magnetic field lines.

9:20 David Sibeck: Dayside transients: Their importance and observational campaigns and missions to address them

9:30 Delores Knipp: Magnetospheric contributions to unusual thermospheric cooling during strong geomagnetic storms.

9:45 Thanasis Boudouridis: Response of the Magnetosphere-Ionosphere-Thermosphere system to solar wind dynamicpressure fronts: Field-aligned currents, Joule heating, and thermospheric effects

B. Structure and dynamics of polar cap ionospheric convection and plasma.

4. Large-scale and mesoscale structure and dynamics of polar cap ionospheric convection: description, causes, relation to aurora features, and ion-neutral coupling effects.

9:55 John Foster: SED plume, cusp, tongue of ionization observations providing truly global viewpoints on these phenomena

10:10-10:30 Discussion

10:30-10:50 Break

Chairs for B. Hysell, Baker

10:50 Per Even Sandholt/Charlie Farrugia: Responses in (i) polar cap convection (PCN - CPCP) and (ii) M - I coupling in the Harang region during intervals of repetitive substorm activity driven by geoeffective ICMEs

11:05 Stefan Eriksson: On Sunward Flow Channel Dynamics in the Magnetosphere and Polar Cap Auroral Arc Structure

11:20 Anthea Coster: scintillation related to convection driven polar cap patches versus precipitation-driven auroral irregularities

5. Production and transport of polar ionospheric plasma structures: tongue of ionization, polar cap patches and blobs, generation of irregularities, etc.

11:35 Ying Zou: Polar flow structures, including relations to patches.

11:50 Toshi Nishimura: connections between polar cap flow channels and geomagnetic disturbances

6. Characterization of polar ion outflow and implications for modulating magnetospheric dynamics.

12:00 Alex Glocer: Characterization of polar ion outflow and implications for modulating magnetospheric dynamics

12:15-12:35 discussion

12:35-2:05 Lunch

C. Active MIT coupling on closed magnetic field lines

Chairs for 7 only: Semeter; Nishimura

7. Meso-scale auroral and convection disturbances in the nightside auroral zone and their relation to larger scale features: poleward boundary intensifications (PBIs), auroral streamers, substorms, omega bands, etc

2:05 Bob Lysak: Magnetosphere-Ionosphere Coupling and Auroral Electrodynamics

2:20 Bea Gallardo: Flow channels associated with auroral streamers and substorm onset

2:30 Josh Semeter: Plasma structures and convective flow in the polar ionosphere

2:40 Shasha Zou: Multi-instrument observations of the electrodynamics of the ionospheric trough during substorms

2:55-3:15 Discussion

3:15-3:35 Break

Chairs for 8-10 only: Mannucci; Maruyama

8. MIT coupling within auroral and sub-auroral regions; the plasmapause boundary layer, and troughs, region-2 currents, the Harang region, Sub-Auroral Polarization Stream (SAPS), etc.

3:35 Yongliang Zhang: Aurora Dynamics and Applications

3:50 Chih-Ping Wang: Response of region-2 currents, Harang reversal, and SAPS to changes in the plasma sheet

4:05 Joe Huba: modeling the response of the ionosphere/plasmasphere system to stormtime forcings

4:20 Elizabeth MacDonald: Magnetic field mapping and the Van Allen Probes

4:30 Chao Yue: Self-consistent magnetosphere-ionosphere mapping

9. Response of the nightside IT system to magnetospheric dynamics: the neutral flywheel, Joule heating, TIDs and atmospheric gravity waves, generation of subauroral ionospheric irregularities, etc.

4:40 Jo Baker: Large-scale subauroral ionospheric dynamics seen by mid-latitude SuperDARN radars

4:50 Dave Hysell: Fine structure in auroral electric fields

5:00 Xiaohua Fang: A New Parameterization of Proton Impact Ionization

5:10-5:30 discussion of last session

5:30-6:00: discussion of day


8:30 Kristina Lynch: Auroral region interactions

10. Response at low and equatorial latitudes, such as related to penetration and shielding electric fields and their relative magnitudes with respect to dynamo electric fields.

8:40 Tony Mannucci: Ionospheric response to magnetospheric electric fields: moderate to severe storms

8:50 Bela Fejer: Low Latitude storm-time electric fields: Outstanding questions

9:05 Barbara Emery: Looking at low latitudes - remember the tides

9:15-9:30 discussion of morning portion of session

D. Coordinated use of space-based RBSP/THEMIS and ground-based observations to address geomagnetic storm phenomena, including ring current and radiation belt formation, and plasmasphere evolution.

Chairs: MacDonald, Erickson

11. Current understanding of the primary mechanisms responsible for formation of the ring current, plasmasphere, and radiation belts.

9:30 Yuri Shprits: Combining ground and in-situ observations with modelling to understand dynamics of the radiation belts

9:45 Vania Jordanova: Global simulations of ring current development

10:00 Margaret Chen: Comparison of RCM-E simulations with observations of stormtime ring current magnetic field and particle fluxes

12. Influences of mesoscale flow channels and R2 current coupling on the formation of the ring current, plasmasphere and radiation belts.

10:10 Matina Gkioulidou: flow channel injection into ring current.

10:25-10:45 Break

13. Models predictions, their validity, and why do we care

10:45 Howard Singer: "... and why we care from both science and operational interests"

11:00 Naomi Maruyama: Mid latitude flywheel: a connection from the inner magnetosphere to lower thermosphere

11:10 Masha Kuznetsova: GEM-CEDAR community-wide model validation project

14. Thermosphere-ionosphere stormtime phenomena, and how they relate to and couple with large- and meso-scale features of auroral and sub-auroral disturbances, and the ring current and radiation belts.

11:20 Phil Erickson: Sub-Auroral Magnetosphere-Ionosphere Coupling in a System Framework: New Insights from Simultaneous In-Situ Ionosphere and Magnetosphere Observations

11:35-11:55 Discussion

E. Coordinated model-data studies to support new and innovative CEDAR/GEM science

Chairs: Richmond, Donovan

15. Current approaches for parameterizing active MIT coupling in geospace models and their assumptions and limitations (e.g. Robinson formula, the Knight relation, disturbance characterization, etc.)

11:55 Aaron Ridley: Current Status in Modeling the Fully Coupled Magnetosphere-Ionosphere-Thermosphere System

12:10 Wenhui Li: OpenGGCM-CTIM study of ionosphere and thermosphere energy deposition under northward IMF condition

12:20-01:50 Lunch

16. Contributions of MIT coupling processes to important features (e.g. location of the open closed boundary, cross polar cap potential drop, particle precipitation boundaries, etc.), including model predictions and comparisons/constraints with observations.

1:50 Mike Ruohoniemi: An AMPERE-derived proxy for the Open/Closed Field Line Boundary (OCB) in the Ionosphere

2:05 Yihua Zheng: On auroral boundary determination and validation efforts

17. Understanding basic magnetospheric high-latitude inputs to the IT system such as Poynting flux, electron and ion precipitation power, Joule heating, and electric potential distribution.

2:20 Art Richmond: Properties of Electromagnetic energy and momentum transfer between the magnetosphere and upper atmosphere

2:35 Lutz Raestatter: Model validations using DMSP Poynting flux and magnetic mapping

2:50 Tim Fuller-Rowell: How to quantify storm impact on the ionosphere and thermosphere

3:05 Astrid Maute: Modeling the high latitude energy transfer for GCMs

3:20 Ian Cohen: Auroral Current and Electrodynamics Structure (ACES) observations of ionospheric feedback in the Alfvén resonator and model responses"

3:30-3:50 Discussion

3:50-4:10 Break

18. Coordination and assimilation of calibrated IT measurements on regional and global scales for maximizing new scientific understanding: All-Sky imagers, spectral imaging, Fabry-Perot Interferometers (FPI), lidar, incoherent scatter radar (ISR), HF radar (SuperDARN), ionosondes, magnetometry, AMPERE field-aligned currents, GPS-TEC measurements, etc.

4:10 Eric Donovan: Innovative CEDAR/GEM science for the future using ISRs and auroral imaging

Chair: Lyons

4:25-5:15 Discussion for future: