selected publications

• journal article

  • Long-Term Trends in Subsurface Flows of Solar Cycle 23 to 25.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2024
  • The Relationship between Kinetic and Magnetic Helicity in Solar Active Regions.  The Astrophysical Journal: an international review of astronomy and astronomical physics. 2024
  • The Sun's Large-Scale Flows I: Measurements of Differential Rotation & Torsional Oscillation.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2024
  • Subsurface Horizontal Flows During Solar Cycles 24 and 25 with Large-Tile Ring-Diagram Analysis.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2021
  • Divergence and Vorticity of Subsurface Flows During Solar Cycles 23 and 24.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2021
  • Kinetic Helicity and Lifetime of Activity Complexes During Solar Cycle 24.  The Astrophysical Journal: an international review of astronomy and astronomical physics. 2019
  • GONG p-Mode Parameters Through Two Solar Cycles.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2018
  • Subsurface Zonal and Meridional Flow During Cycles 23 and 24.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2018
  • Solar-Cycle Variation of Subsurface-Flow Divergence: A Proxy of Magnetic Activity?.  Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2017