Measurement of Magnetic Helicity Injection and Free Energy Loading into the Solar Corona

By Kanya Kusano, T. Maeshiro, T. Yokoyama, T. Sakurai. 2002

199 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/0bef80fdbeef6f8eb4d6cfda15b3367c24412f27

How researchers see this paper

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In Astronomy and Astrophysics

1. Yuhong Fan
2. P. Schuck
3. P. Démoulin
4. Paul Charbonneau
5. Etienne Pariat
6. W. Manchester IV
7. T. Wiegelmann
8. J. Thalmann

In Molecular Biology

1. P. Schuck
2. Paul Charbonneau
3. P. Démoulin
4. Etienne Pariat
5. T. Wiegelmann
6. J. Thalmann
7. S. Solanki
8. Mitchell A. Berger

Citations in the corpus

• Eruption of a Buoyantly Emerging Magnetic Flux Rope (2003, methodology): “Following Kusano et al. (2002), we divide the Poynting flux into two separate components associated with horizontal and vertical motions, expressed respectively as Fshear ¼ 1 4 Z BxUx þ ByUy Bz dx dy; ð2Þ Femerge ¼ 1 4 Z B2x þ B 2 y Uz dx dy: ð3Þ The emergence and shearing energy fluxes are plotted…”
• Injection of Magnetic Energy and Magnetic Helicity into the Solar Atmosphere by an Emerging Magnetic Flux Tube (2003, background): “Recent observations (Kusano et al. 2002) have shown, however, that the advection of energy and helicity by vertical flows may actually be the dominant effect.”
• Tracking Vector Magnetograms with the Magnetic Induction Equation (2008, methodology): “Both Schuck (2006) and Welsch et al. (2007) provide an overview of optical flow methods for recovering estimates of photospheric velocities from a sequence of magnetograms (Kusano et al. 2002, 2004; Welsch et al. 2004; Longcope 2004; Schuck 2005, 2006;Georgoulis & LaBonte 2006).”
• The magnetic field in the solar atmosphere (2014, background): “ another part. Vemareddy et al. (2012b) recognized that major flaring activity only occurred at times when helicity was injected in the AR with a sign opposite to the dominant sign of the AR (see also Kusano et al., 2002). Similar findings have been presented for CME- (Wang et al., 2004b) and MC-produ”
• ILCT: Recovering Photospheric Velocities from Magnetograms by Combining the Induction Equation with Local Correlation Tracking (2004, methodology): “Kusano et al. (2002) developed a method for determining the photospheric flow field consistent with both LCT results and equation (4).”
• The Magnetic Helicity Budget of Solar Active Regions and Coronal Mass Ejections (2003, background): “Unfortunately a direct computation of the helicity injected by flux emergence is not possible (e.g., Démoulin & Berger 2003, but see Kusano et al. 2002).”
• Magnetic Energy and Helicity Fluxes at the Photospheric Level (2003, methodology): “Kusano et al. (2002) have proposed to deduce vn using observations of ~B and ~u on Sp together with the induction equation.”
• Solar Dynamo Theory (2014, methodology): “This idea is supported by simulations (e.g., Brandenburg & Dobler 2001) as well as photospheric measurements (e.g., Kusano et al. 2002, Démoulin & Berger 2003).”
• Photospheric flux density of magnetic helicity (2005, methodology): “All previous analyses used the density GA (= − 2(A · u)Bn) which involves the vector potential A of the magnetic field (Chae 2001; Chae et al. 2001, 2004; Kusano et al. 2002, 2005; Nindos & Zhang 2002; Nindos et al. 2003; Moon et al. 2002a,b).”