Evolving Submerged Meridional Circulation Cells within the Upper Convection Zone Revealed by Ring-Diagram Analysis

By D. Haber, B. Hindman, J. Toomre, R. Bogart, R. Larsen, F. Hill. 2002

315 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics, Molecular Biology

View Paper: https://www.semanticscholar.org/paper/6d50f6bcc9d53d94f617fb4a81112da29a4fe917

How researchers see this paper

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In Astronomy and Astrophysics

1. Paul Charbonneau
2. Mark S. Miesch
3. J. Toomre
4. A. Brun
5. Matthias Rempel
6. D. Hathaway
7. M. Dikpati
8. P. Gilman

In Molecular Biology

1. Paul Charbonneau
2. Mark S. Miesch
3. J. Toomre
4. A. Brun
5. Matthias Rempel
6. M. Browning
7. P. Gilman
8. M. Dikpati

Citations in the corpus

• Diagnostics of Polar Field Reversal in Solar Cycle 23 Using a Flux Transport Dynamo Model (2004, methodology): “The flow pattern showed a systematic decrease in its speed in both hemispheres (Haber et al. 2002; Basu & Antia 2003) during the period 1996–2002.”
• DETECTION OF EQUATORWARD MERIDIONAL FLOW AND EVIDENCE OF DOUBLE-CELL MERIDIONAL CIRCULATION INSIDE THE SUN (2013, background): “…as measured by tracer tracking (e.g., Komm et al. 1993;Švanda et al. 2007; Hathaway & Rightmire 2010), direct Doppler-shift observations (e.g., Ulrich 2010), and localhelioseismology analyses (e.g., Giles et al. 1997; Haber et al. 2002; Zhao & Kosovichev 2004; González Hernández et al. 2008).”
• Solar Differential Rotation and Meridional Flow: The Role of a Subadiabatic Tachocline for the Taylor-Proudman Balance (2005, background): “This flow was first observed through movements of active regions and magnetic filaments (Labonte & Howard 1982; Topka et al. 1982) and later confirmed through helioseismology (see, e.g., Braun & Fan 1998; Haber et al. 2002; Zhao & Kosovichev 2004).”
• Does the butterfly diagram indicate a solar flux-transport dynamo? (2004, background): “However, whether the properties of this flow meet the requirements of flux-transport dynamo models can only be clarified by helioseismic measurements of the meridional flow throughout the whole convection zone and over a time period of the order of the solar cycle (cf. Haber et al., 2002).”
• Torsional Oscillation, Meridional Flows, and Vorticity Inferred in the Upper Convection Zone of the Sun by Time-Distance Helioseismology (2004, methodology): “By applying this technique to Solar and Heliospheric Observatory (SOHO) Michelson Doppler Imager (MDI) dynamics campaign data (Scherrer et al. 1995), one can map the solar subsurface flows with significantly higher resolution than is obtained from the ring-diagram analysis (e.g., Haber et al. 2002).”
• ON THE WEAKENING OF THE POLAR MAGNETIC FIELDS DURING SOLAR CYCLE 23 (2009, background): “…flow speeds have amplitudes in the range 10–20 m s−1 and are generally directed poleward (Komm et al. 1993; Hathaway 1996; Giles et al. 1997; Haber et al. 2002; Basu & Antia 2003; Gizon 2004; Zhao & Kosovichev 2004; González Hernández et al. 2006; Švanda et al. 2007; Meunier & Zhao…”
• Flux-Transport Dynamos with Lorentz Force Feedback on Differential Rotation and Meridional Flow: Saturation Mechanism and Torsional Oscillations (2006, background): “…have trouble reproducing a consistent large scale meridional flow pattern (poleward in the upper half of the convection zone), as it is inferred by helioseismology (Braun & Fan 1998; Haber et al. 2002; Zhao & Kosovichev 2004), such a flow is a common feature in most of the meanfield models.”
• Solar Interior Rotation and its Variation (2009, methodology): “Later, Haber et al. (2002) measured both the zonal flows and a corresponding modulation of the meridional flow pattern, as seen in Figure 29 (left).”
• Structure and Evolution of Giant Cells in Global Models of Solar Convection (2007, background): “Determinations of the solar meridional circulation from surface measurements and helioseismic inversions are generally averaged over at least one rotation period (Komm et al. 1993; Hathaway 1996; Braun & Fan 1998; Haber et al. 2002, 2004; Zhao & Kosovichev 2004; González-Hernandez et al. 2006).”
• Solar Differential Rotation Influenced by Latitudinal Entropy Variations in the Tachocline (2006, background): “In particular, Haber et al. (2002) have reported a flow reversal several Mm below the photosphere in the northern hemisphere that lasted from 1998 until at least 2001.”
• The Internal Rotation of the Sun (2003, background): “The meridional flow appears to show substantial variations during the solar cycle (Chou & Dai 2001, Haber et al. 2002).”
• Global-Scale Turbulent Convection and Magnetic Dynamo Action in the Solar Envelope (2004, background): “Typical amplitudes for the velocity are of order 25 m s−1, comparable to local helioseismic deductions (Haber et al. 2002).”
• Dynamo Models of the Solar Cycle (2005, background): “85 (Schou and Bogart, 1998; Braun and Fan, 1998), without significant departure from the poleward direction except locally and very close to the surface, in the vicinity of active region belts (Haber et al., 2002; Basu and Antia, 2003; Zhao and Kosovichev, 2004).”
• Changes in Solar Dynamics from 1995 to 2002 (2002, methodology): “A preliminary work by Basu & Antia (2000b) suggests that there is a correlation between solar activity and meridional flow velocities, while Haber et al. (2001, 2002) find short time-scale variations in addition to the long-term changes.”