NOAA / Space Weather Prediction Center

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PRESENTATIONS
Invited Talks at Meetings

•  Flux tube sizes. Presented at the AGU Chapman Conference on the Physics of Magnetic Flux Tubes. Hamilton , Bermuda , 27-31 March 1989.

•  Acoustic spectroscopy of solar magnetic flux concentrations. Presented at the Mini-Workshop on Flux Tubes in the Solar Atmosphere. Oslo , Norway , 19-21 June 1989.

•  Particle acceleration in spherical accretion flows. Presented at the Mini-Workshop on Particle Acceleration, Garching-bei-München. Germany , 24-29 September 1989.

•  Flux tube sizes and temporal evolution. Presented at the Orbiting Solar Laboratory Workshop on Electromechanical Coupling of the Solar Atmosphere. Capri , Italy , 27-31 May 1991.

•  Flux tube sizes. Presented at XXI International Astronomical Union General Assembly. Buenos Aires , Argentina , 23 July- 1 August 1991 .

•  Sunspot seismology: The interaction of p -modes with a sunspot. Presented at the NATO Advanced Study Workshop on the Theory of Sunspot. Cambridge , United Kingdom , 22-27 September 1991.

•  Coupled wave damping and stochastic Fermi acceleration of interstellar pickup ions. Presented at the Conference on Particle Acceleration in Cosmic Plasmas. Newark , Delaware , 4-6 December 1991.

•  Sunspot seismology: Using acoustic waves to probe sunspots. Presented at the 50 th Anniversary of the Kiepenheuer Institut für Sonnenphysik Meeting. Freiburg , Germany , June 1993.

•  Active region seismology. Presented at the 4 th SOHO Workshop: Helioseismology. Pacific Grove , California , April 1995.

•  Dynamic phenomena in sunspots observed by the HAO/NSO Advanced Stokes Polarimeter. Presented at the Meeting on Nonlinear Dynamics of the Sun. Ortisei/St. Ulrich, Italy , 10-11 July 1997.

•  Sunspot structure and wave dynamics. Presented at the 9 th SOHO Workshop on Helioseismic Diagnostics of Solar Convection and Activity. Stanford , California , 12-15 July 1999.

•  Magnetic fields and helioseismology. Presented at the 33 rd COSPAR General Assembly. Warsaw , Poland , 16-22 July 2000.

•  Wave propagation through a magnetized solar atmosphere. Presented at the 2 nd Solar-B Science Meeting. Tokyo , Japan , 4-6 December 2000.

•  Donald Menzel and the founding of the High Altitude Observatory. Presented at the Menzel Centennial Symposium. Cambridge , Massachusetts , 15 May 2001.

•  Waves in sunspots and starspots. Presented at the 1 st Potsdam Thinkshop on Sunspots and Starspots. Potsdam , Germany , 6-10 May 2002.

•  Meeting summary. Presented at the 34 th COSPAR General Assembly. Houston , Texas , 10-19 October 2002.

•  What does the size distribution of sunspots tell us about their origins. Presented at the meeting Mathematics for Applications. Oslo , Norway , 1-2 September 2003.

•  The development of the western hemisphere's first coronagraph. Presented at the Kolloquium des Arbeitskreises Astronomiegeschichte, Entwicklung der Sonnenforschung. Freiburg , Germany , 15 September 2003 .
•  The High Altitude Observatory and the foundation of the Sommers-Bausch Observatory. Presented at 50 Years of Sommers-Bausch Observatory. Boulder , Colorado , 15 November 2003 .

•  The best of times, the worst of times. Presented at the SORCE Science Meeting, Physical Processes Linking Solar Radiation and Solar Variability With Global Climate Change. Sonoma , California , 4-7 December 2003.

•  Historical anecdotes on living with this star. Presented at the Living With a Star Workshop, "Connecting our Dynamic Sun to the Heliosphere and Geospace". Boulder , Colorado , 23-26 March, 2004.

•  Historical anecdotes on solar variability and terrestrial impacts. Presented at Solar Climate Workshop, Laurel , Maryland , 26-27 April, 2004.

Historical Anecdotes on Solar Variability & Climate Change
 
Invited Colloquia and Seminars

•  Sunspot seismology. Colloquium, Department of Physics & Astronomy, University of Rochester . Rochester , New York , October 1992.

•  Sunspot seismology. Colloquium, Department Physics, University of Delaware . Newark , Delaware , October 1992.

•  Acoustic emission from turbulent convection. Colloquium, Bartol Research Institute. Newark , Delaware , November 1992.

•  Sunspot seismology. Colloquium, Institute of for the Study of Earth, Oceans and Space. Durham , New Hampshire , November 1992.

•  Sunspot seismology. Seminar, Space Environment Laboratory. Boulder , Colorado , November 1992.

•  Sunspot seismology. Colloquium, Department of Applied Mathematics, Monash, University. Clayton , Australia , September 1994.

•  Oscillations in sunspots: A theoretical perspective. Seminar, Instituto de Astrofisicas de las Canarias. Tenerife , Spain , October 1996.

•  Sunspot umbral oscillations observed with the Advanced Stokes Polarimeter. Seminar, Astrophysikalisches Institut Potsdam . Potsdam , Germany , 10 September 1997 .

•  Sunspot umbral oscillations observed with the Advanced Stokes Polarimeter. Seminar, Kiepenheuer Institut für Sonnenphysik. Freiburg , Germany , 18 September 1997 .

•  Velocity and magnetic field fluctuations in the photosphere of a sunspot. Colloquium, Universitäts Sternwarte Göttingen. Göttingen , Germany , 15 September 1997 .

•  Living with a turbulent Sun: History and discovery at NCAR's High Altitude Observatory. Public lecture sponsored by the Walter Orr Roberts Institute. Boulder , Colorado , 20 September 2000 .

•  The kindness of strangers: The High Altitude Observatory and the University of Colorado 1946-1961. Colloquium, Department of Physics, University of Colorado Boulder . Boulder , Colorado , 21 March 2001 .

•  Solar magnetism: The force that rules us all. Colloquium, The Evergreen State College . Olympia , Washington , January 2002.

•  Wave propagation in magnetized atmospheres. Colloquium, Center for Space Physics, Boston University . Boston , Massachusetts , January 2002.

•  Waves in the (magnetic) solar atmosphere. Colloquium, Goddard Space Flight Center . Greenbelt , Maryland , April 2002.

•  Waves in the (magnetic) solar atmosphere. Space and Cosmic Ray Physics Seminar, University of Maryland at College Park , April 2002.

•  Waves in sunspots and starspots. Colloquium, Department of Physics and Astronomy, University of Montreal . Montreal , Canada , December 2002.

•  From the Inside of the Sun to Its Atmosphere. Astronomical Geophysical Union AGU, December 2004.

 

 

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