Difference between revisions of "Working Group 2"
(→Scientific Questions) |
(→Scientific Questions) |
||
| Line 11: | Line 11: | ||
---- | ---- | ||
| + | |||
| + | |||
=='''Scientific Questions'''== | =='''Scientific Questions'''== | ||
| Line 19: | Line 21: | ||
2.1.2 What is the role of emerging flux and poloidal-flux injection? | 2.1.2 What is the role of emerging flux and poloidal-flux injection? | ||
| + | |||
2.1.3 How long the Lorentz force dominates over the aerodynamic drag | 2.1.3 How long the Lorentz force dominates over the aerodynamic drag | ||
| + | |||
2.1.4 How the inductive effects affect the CME eruption and ICME propagation? | 2.1.4 How the inductive effects affect the CME eruption and ICME propagation? | ||
| + | |||
2.1.5 What is the role of the ICME/ambient-field reconnection? | 2.1.5 What is the role of the ICME/ambient-field reconnection? | ||
| Line 27: | Line 32: | ||
===''How much variable ambient conditions affect ICMEs?''=== | ===''How much variable ambient conditions affect ICMEs?''=== | ||
2.2.1 Which processes are involved in ICME-ICME interactions? | 2.2.1 Which processes are involved in ICME-ICME interactions? | ||
| + | |||
2.2.2 How ICME-ICME interactions affect the dynamics and structure of ICMEs? | 2.2.2 How ICME-ICME interactions affect the dynamics and structure of ICMEs? | ||
| + | |||
2.2.3 How high-speed solar wind streams (corotating interacting regions) affect ICMEs? | 2.2.3 How high-speed solar wind streams (corotating interacting regions) affect ICMEs? | ||
| + | |||
2.2.4 How the ICME-driven shock evolves in the decreasing Alfven-velocity environment? | 2.2.4 How the ICME-driven shock evolves in the decreasing Alfven-velocity environment? | ||
| Line 35: | Line 43: | ||
===''What is the state of the art in the ICME-arrival and ICME-geoeffectiveness forecasting?''=== | ===''What is the state of the art in the ICME-arrival and ICME-geoeffectiveness forecasting?''=== | ||
2.3.1 What are forecasting-performances of various empirical, analytical, and numerical models? | 2.3.1 What are forecasting-performances of various empirical, analytical, and numerical models? | ||
| + | |||
2.3.2 | 2.3.2 | ||
Revision as of 04:31, 30 May 2013
Theory group led by Bojan Vrsnak (Croatia) and Yuming Wang (China)
Objectives
- Initiation of CMEs and their take-off dynamics ("acceleration stage")
- Heliospheric dynamics of ICMEs and evolution of their structure
- Relationship between empirical, analytical, and numerical propagation models and comparison with observations; forecasting aspects
- CME/ICME-associated phenomena (flares, shocks, etc.)
Scientific Questions
Which mechanisms, processes, forces are governing the CME take-off and ICME propagation?
2.1.1 What is the role of the flare-associated reconnection?
2.1.2 What is the role of emerging flux and poloidal-flux injection?
2.1.3 How long the Lorentz force dominates over the aerodynamic drag
2.1.4 How the inductive effects affect the CME eruption and ICME propagation?
2.1.5 What is the role of the ICME/ambient-field reconnection?
How much variable ambient conditions affect ICMEs?
2.2.1 Which processes are involved in ICME-ICME interactions?
2.2.2 How ICME-ICME interactions affect the dynamics and structure of ICMEs?
2.2.3 How high-speed solar wind streams (corotating interacting regions) affect ICMEs?
2.2.4 How the ICME-driven shock evolves in the decreasing Alfven-velocity environment?
What is the state of the art in the ICME-arrival and ICME-geoeffectiveness forecasting?
2.3.1 What are forecasting-performances of various empirical, analytical, and numerical models?
2.3.2
