Award Abstract # 0621725
SHINE Postdoc: Extension of the Breakout Model to More 'Realistic' Coronal Mass Ejections

NSF Org: AGS
Division of Atmospheric and Geospace Sciences
Recipient: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE
Initial Amendment Date: June 12, 2006
Latest Amendment Date: June 12, 2006
Award Number: 0621725
Award Instrument: Standard Grant
Program Manager: Paul Bellaire
AGS
 Division of Atmospheric and Geospace Sciences
GEO
 Directorate for Geosciences
Start Date: September 1, 2006
End Date: August 31, 2009 (Estimated)
Total Intended Award Amount: $160,343.00
Total Awarded Amount to Date: $160,343.00
Funds Obligated to Date: FY 2006 = $160,343.00
History of Investigator:
  • Janet Luhmann (Principal Investigator)
    jgluhman@ssl.berkeley.edu
Recipient Sponsored Research Office: University of California-Berkeley
1608 4TH ST STE 201
BERKELEY
CA  US  94710-1749
(510)643-3891
Sponsor Congressional District: 12
Primary Place of Performance: University of California-Berkeley
1608 4TH ST STE 201
BERKELEY
CA  US  94710-1749
Primary Place of Performance
Congressional District:
12
Unique Entity Identifier (UEI): GS3YEVSS12N6
Parent UEI:
NSF Program(s): SOLAR-TERRESTRIAL
Primary Program Source: app-0106 
Program Reference Code(s): 1323, EGCH
Program Element Code(s): 152300
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.050

ABSTRACT

This project will support a postdoctoral to make major improvements to the 3D breakout model for coronal mass ejections (CMEs) and to the tools used to generate the numerical solutions. The postdoctoral intends to run numerical magnetohydrodynamic (MHD) simulations of the breakout model for the first time in magnetic field environments derived from actual observations. He plans to implement potential-field source-source magnetic fields into initialization procedures through spherical harmonic expansions for fields below the source-surface. The postdoctoral will then join these to a force-free open-field solution above the source-surface. He also intends to add more realistic surface motions to the simulations, with the ultimate goal of developing the capacity to input arbitrary photospheric velocity and surface field changes into the evolution of the coronal MHD solution. The postdoctoral will use the results of dedicated flux-emergence calculations to drive the boundary conditions of his breakout eruption simulation, in order to see if the break-out eruption process is, in fact, independent of the specific method used to build up the required free magnetic energy. Finally, the postdoctoral expects to be able to parameterize actual solar surface motions, as derived from local correlation tracking (LCT) calculations, to see if realistic driving can trigger CME eruptions in realistic field configurations.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Edmondson, JK; Lynch, BJ; Antiochos, SK; DeVore, CR; Zurbuchen, TH "RECONNECTION-DRIVEN DYNAMICS OF CORONAL-HOLE BOUNDARIES" ASTROPHYSICAL JOURNAL , v.707 , 2009 , p.1427 View record at Web of Science 10.1088/0004-637X/707/2/142
Kilpua, EKJ; Liewer, PC; Farrugia, C; Luhmann, JG; Moestl, C; Li, Y; Liu, Y; Lynch, BJ; Russell, CT; Vourlidas, A; Acuna, MH; Galvin, AB; Larson, D; Sauvaud, JA "Multispacecraft Observations of Magnetic Clouds and Their Solar Origins between 19 and 23 May 2007" SOLAR PHYSICS , v.254 , 2009 , p.325 View record at Web of Science 10.1007/s11207-008-9300-
Li, Y; Lynch, BJ; Stenborg, G; Luhmann, JG; Huttunen, KEJ; Welsch, BT; Liewer, PC; Vourlidas, A "The solar magnetic field and coronal dynamics of the eruption on 2007 May 19" ASTROPHYSICAL JOURNAL LETTERS , v.681 , 2008 , p.L37 View record at Web of Science
Lynch, BJ; Antiochos, SK; DeVore, CR; Luhmann, JG; Zurbuchen, TH "Topological evolution of a fast magnetic breakout CME in three dimensions" ASTROPHYSICAL JOURNAL , v.683 , 2008 , p.1192 View record at Web of Science
Lynch, BJ; Antiochos, SK; Li, Y; Luhmann, JG; DeVore, CR "ROTATION OF CORONAL MASS EJECTIONS DURING ERUPTION" ASTROPHYSICAL JOURNAL , v.697 , 2009 , p.1918 View record at Web of Science 10.1088/0004-637X/697/2/191

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