Publications:
(1994 to present)
- M.D. Daybell, M.A. Gruntman, D.L. Judge, and J.A.R. Samson, "Rare-Gas Optics Free Stable Extreme-Ultraviolet Photon Spectrometer for Solar System Studies," Optical Engineering, 33, 445 (1994).
- C.Y.R. Wu, B.W. Yang, and D.L. Judge, "Total Ion Desorption Yields of H2O, D2O, CH3OH, CD3OD, and Water-Methanol Mixed Ices Irradiated at 584 Å," Planet. Space Sci., 42, 273 (1994).
- D.L. Judge, M.D. Daybell, J.R. Hoffman, M.A. Gruntman, H.S. Ogawa, and J.A.R. Samson, "An Optics Free Spectrometer for the Extreme Ultraviolet," Nucl. Inst. Meth., A347, p.472 (1994).
- H.S. Ogawa, C.Y. Robert Wu, P. Gangopadhyay, and D.L. Judge, "Solar Photoionization as a Loss Mechanism of Neutral Interstellar Hydrogen in Interplanetary Space," J.G.R., 100, A3, 3455 (1995).
- F.M. Wu, P. Gangopadhyay and D.L. Judge, "Pioneer 10 Ultraviolet Photometer Observations of Jovian UV Emission in 1973," J.G.R., 100, A3, 3481 (1995).
- P. Gangopadhyay and D.L. Judge, "UV Remote Detection of the Solar Wind Termination Shock," Adv. Space Res., 15, 8/9, 463 (1995).
- C.Y.R. Wu, F.Z. Chen, D.L. Judge, and K.H. Tan, "Total Electron Yields and Total Fluorescence Yields of Albite and Lunar Soil Simulants JCS-1 and MLS-1," Proc. Lunar Planet. Sci. Conf., 26, 1525 (1995).
- D. Hovestadt, M. Hilchenbach, A. Burgi, B. Klecker, P. Laeverenz, M. Scholer, H. Grunwaldt, W.I. Axford, S. Livi, E. Marsch, B. Wilken, H.P. Winterhoff, F.M. Ipavich, P. Bedini, M.A. Coplan, A.B. Galvin, G. Gloeckler, P. Bochsler, H. Balsiger, J. Fischer, J. Geiss, R. Kallenbach, P. Wurz, K.-U. Reiche, F. Gliem, D.L. Judge, H.S. Ogawa, K.C. Hsieh, E. Mobius, M.A. Lee, G.G. Managadze, M.I. Verigin, and M. Neugebauer, "Celias-Charge, Element and Isotope Analysis System for SOHO," Solar Physics, 162, 441 (1995).
- C.Y.R. Wu, F.Z. Chen, Tom Hung, and D.L. Judge, "Studies of Fluorescence from Photoexcitation of N2 and CO2 in the 28-100 eV Region," J. Electron Spectrosc. Relat. Phenom., 79, 13 (1996).
- P. Gangopadhyay and D.L. Judge, "Model Insensitive and Calibration Independent Method for Determination of the Downstream Neutral Hydrogen Density Through LyAlpha Glow Observations," Ap. J., 467, 865 (1996).
- C.Y.R. Wu, F.Z. Chen, and D.L. Judge, "Temperature-Dependent Photoabsorption Cross Sections of Selected Molecular Systems," J. Electron Spectrosc. Relat. Phenom., 79, 453, (1996).
- H.S. Ogawa, E. Phillips, and D.L. Judge, "Direct Measurement of the Absolute Photoionization Rate of Helium from Sounding Rockets" J.G.R., 102, 11, 557 (1997).
- K. Scherer, D.L. Judge, M. Gruntman and P. Gangopadhyah, "A Study of the Effect and Consequence of Solar Cycle Variation on Low Energy Galactic Cosmic Rays Using Pioneer 10 H Lyman-Alpha Data as a Solar Cycle Proxy," J.G.R., 102, 4653 (1997).
- P. Gangopadhyay, D.L. Judge, and P.C. Liewer, "Pioneer 10 and Voyagers 1 and 2 Backscattered UV Data and the Nature of the Interstellar Medium," Adv. Space Res., 19, 6, 957 (1997).
- D. Judge, D.R. McMullin, H.S. Ogawa, D. Hovestadt, B. Klecker, M. Hilchenbach, E. Mobius, L.R. Canfield, R.E. Vest, R. Watts, C. Tarrio, M. Kuhne, and P. Wurz, "First Solar EUV Irradiances Obtained from SOHO by the SEM," Solar Physics, 177, 161-173 (1998).
- H.S. Ogawa, D.L. Judge, D.R. McMullin, P. Gangopadhyay, and A.B. Galvin, "First Year Continuous Solar EUV Irradiance from SOHO by the CELIAS/SEM During 1996 Solar Minimum," J.G.R., 103, 1(1998).
- C.Y.R. Wu, T. Hung, D.L. Judge, T. Matsui, and K. Ito, "High-Resolution High-Temperature Cross Sections of N 2 and O 2 ," Photon Factory Report , 14, 278 (1997).
- C.Y.R. Wu, F.Z. Chen, T. Hung, D.L. Judge, and J.J. Caldwell, "Temperature-Dependent Photoabsorption Study of Atmospheric Gases, with Application to Planetary Atmospheres," NASA Workshop., 262-265,(1998).
- C.Y.R. Wu, T. Hung, D.L. Judge, T. Matsui, and K. Ito, "High-Resolution High-Temperature Cross Section Measurements of N2 in the 917Å," NASA Workshop, 266-269,(1998).
- J. Caldwell, I. Dashenvaky, C.Y. Robert Wu, and D.L. Judge, "UV Absorption Coefficients of NH3,C2H2, and C0 Applied to Hubble Space Telescope Observations of Jupiter, Neptune adn Uranus", NASA Workshop, 1998, 117-120 (1998).
- C.Y.R. Wu, F.Z. Chen, and D.L. Judge, "Temperature-Dependent Photoabsorption Cross Sections of OCS in the 2000-2600 Å Region", J. Quant. Spec. Rad. Trans., 61, 265(1999).
- F.Z. Chen, D. Judge, C.Y.R. Wu, and J. Caldwell, "Low and Room Temperature Photoabsorption Cross Sections of NH3 in the UV Region", Planet. Space Sci., 47, 261 (1999).
- C.Y.R. Wu, F.Z. Chen, D.L. Judge, X.M. Hua, and J. Caldwell, "Temperature-Dependent Absorption Strengths for the Transitions from the Ground State to the Mutually Perturbed A1pie(v=1) and d3deltai (v=5) States of CO", J. Chem. Phys., 110, 267 (1999).
- C.Y.R. Wu, T. Hung, F.Z. Chen, and D.L. Judge, "Fluorescence of Excited Photofragments Correlated with Electronic States of Multiply Charged CO Produced Through Photoexcitation of CO in the 28-100 eV Region", J. Electron Spectrosc. Relat. Phenom., 101-103, 59 (1999).
- D. Judge, E. Mbius, Y. Litvinenko, H. Grnwaldt, M.R. Aellig, A. Bogdanov, F.M. Ipavich, P. Bochsler, M. Hilchenbach, B. Klecker, M.A. Lee, and H. Ogawa, "Direct Evidence of the Interstellar Gas Flow Velocity in the Pickup Ion Cut-off as Observed with SOHO CELIAS CTOF", Geophys. Res. Lett., 26, 3181-3184 (1999).
- D.R. McMullin, H.S. Ogawa, and D.L. Judge, "Absolute Solar 30.4 nm Flux From Sounding Rocket Observations During the Solar Cycle 23 minimum", J.Geophys.Res., 104, A12, 28321-8324(1999).
- C.Y.R. Wu, B.W. Yang, F.Z. Chen, D.L. Judge, J.J. Caldwell, and L. Trafton, "The High, Room, and Low Temperature Photoabsorption Cross Sections of SO2 in the 208-295 nm Region, with Application to Io", Icarus, 145, 289-296(2000).
- C.Y.R. Wu, F.Z. Chen, and D.L. Judge, "Temperature-Dependent Photoabsorption Cross Sections of Allene and Methylacetylene in the UV Region", Chem. Phys., 260, 215 (2000).
- C.Y.R. Wu, T. Hung, D.L. Judge, and T. Matsui, "High-Temperature High-Resolution Absorption Cross Section Measurements of O2 in the 83.4 nm Region", J. Geophys. Res., 103, 5329-5334 (2000).
- C.Y.R. Wu, T. Hung, D.L. Judge, T. Matsui, and K. Ito, "High-Temperature Cross Sections of O2 in the 83.4, 91.6, and 108.5 nm Regions", Photon Factory Report, 16B, 3 (1999).
- C.Y.R. Wu, F.Z. Chen, T. Matsui, and D.L. Judge, "High-Temperature High-Resolution Absorption Cross Section Measurements of N2 in the 83.4 nm Region", J. Geophys. Res., (in press 2000).
- D. Judge, C.Y.R. Wu, and F. Z. Chen, "A Compilation of Temperature Dependent Photoabsorption Cross Section of Solar System and Cosmic Gases", in preparation, 2000.
- D. Judge, C.Y.R. Wu, and P. M. Guyon, "Advances in Fluorescence Spectrometry Using Extreme Ultraviolet Photon Excitation", in preparation, 2000.
- D. Judge, P. Gangopadhyay, H.S. Ogawa, D.R. McMullin, F. Ipavich, A.B. Galvin, and M. Hilchenbach, "New Observations of Long-term Solar Soft X-ray and EUV Fluxes from SOHO CELIAS/SEM Instrument", in preparation, 1999.
- P. Gangopadhyay, H.S. Ogawa, D.L. Judge, W. Dappen, G. Reaves, A. Jones, and K. Scherer, "A Pinhole Camera Technique for Measurement of the Solar Radius," submitted to Solar Physics, (2000).
Talks
(1994 to present)
- "AMO Physics at the Advanced Light Source: Study of Photon-Stimulated Neutral Desorption and Absorption and Emission of Atmospheric Gases", The Division of Atomic, Molecular, and Optical Physics Meeting, American Physical Society, Crystal City, Virginia, April 18-22, 1994, with C.Y.R. Wu.
- "Temperature-Dependent Photoabsorption Cross Section of N2 at 916.7 A", The American Geophysical Union 1994 Spring Meeting, Baltimore, Maryland, May 23-27, 1994, AGU Trans. EOS 75, No. 16, 252 (1994), with C.Y.R.
- "Solar Photoionization as a Loss Mechanism of Neutral Interstellar Hydrogen in Interplanetary Space", The American Geophysical Union 1994 Spring Meeting, Baltimore, Maryland, May 23-27, 1994, AGU Trans. Eos 75, No. 16, 260 (1994), with P. Gangopadhyay, H.S. Ogawa, and C.Y.R. Wu.
- "Model Insensitive and Calibration Independent Method for the Determination of the Downstream Neutral Hydrogen Density", The American Geophysical Union 1994 Fall, San Francisco, California, December 5-9, 1994, with P. Gangopadhyay.
- "Total Electron Yields and Total Fluorescence Yields of Albite and Lunar Soil Simulants JCS- 1 and MLS- 1", The 26th Annual Lunar and Planetary Science Conference, Houston, Texas, March 13-17, 1995, with F. Z. Chen, D. L. Judge, and K.H. Tan.
- "Sensitivity of the Backscattered UV Glow Technique to the location of the solar wind termination shock ", Maryland, May 29 - June 2, 1995 with P. Gangopadhyay.
- "High-Resolution High-Temperature Spectra of N2 in the 834 and 917 A Regions", The American Geophysical Union 1995 Spring Meeting, Baltimore, Maryland, May 29 - June 2, 1995, AGU Trans. Eos 76, No. 17, S213 (1995), with D.L. Judge, T. Matsui, and K. Ito.
- "A Comparison of the Pioneer 10 UV Glow Data with the Predicted Glow based on the Hydrogen Distribution resulting from the Steinolfson Supersonic Plasma Model", The IAGA Scientific Assembly, Boulder, Colorado, July 2-14, 1995, with P. Gangopadhyay.
- "Temperature~Dependent Photoabsorption and Emission Studies of Atmospheric Gases, with Application to Planetary Atmospheres", The 11th International Conference on Vacuum Ultraviolet Radiation Physics, Tokyo, Japan, August 27 - September 1, 1995, with F. Z. Chen and D. L. Judge.
- "Fluorescence Excitation Function for Producing Ni and High-Resolution, High-Temperature Absorption Spectra of N2 in the EUV Region", The 11th International Conference on Vacuum Ultraviolet Radiation Physics, Tokyo, Japan, August 27 - September 1, 1995, with D. L. Judge, T. Matsui, and K. Ito.
- "A Preliminary Study of Albite and Lunar Soil Simulants", The 28th Annual Synchrotron Radiation Center Users Group Meeting, Madison, Wisconsin, October 12-13, 1995, with F. Z. Chen, D. L. Judge and K. Tan.
- "Temperature-Dependent Absorption Cross Sections of CS2, With Application to SL9/Jupiter Impact", The 28th Annual Synchrotron Radiation Center Users Group Meeting, Madison, Wisconsin, October 12-13, 1995, with F. Z. Chen and D. L. Judge.
- "Total Electron Yields and Total Ion Yields of H2O Ices and H2O-CH4 Clathrate Hydrates", The 7th International Conference on Laboratory Research for Planetary Atmospheres, Mauna Lani, Hawaii, October 8-13, 1995, with F.Z. Chen, D. L. Judge and K. Tan.
- "Temperature-Dependent Absorption Cross Sections of CS2 and Methyl Acetylene, C3H4", The 7th International Conference on Laboratory Research for Planetary Atmospheres, Mauna Lani, Hawaii, October 8-13,1995, with F. Z. Chen and D.L. Judge.
- "A Preliminary Study of Excited Electronic States of Multiply Charged N2, CO2, and CO Using Fluorescence Spectrometry", The Advanced Light Source Users' Association Annual Meeting, Berkeley, California, October 23-24, 1995, with F.Z. Chen, T. Hung, and D. L. Judge.
- "Selfconsistent Neutral Density Model Prediction and Pioneer 10/11 and Voyager 1/2 UV Data", American Geophysical Union, 1995, Fall Meeting, San Francisco, December 11-15,1995, with P. Gangopadhyay and P.C. Liewer.
- "Comparison of a Self-consistent Subsonic Plasma-Neutral Heliosphere Model Prediction with the Observed Pioneer 10/11 and Voyager 1/2 UV Data," Presented at the Spring AGU Meeting, Baltimore, May 20-24, 1996, with P. Gangopadhyay and P.C. Liewer.
- "Initial Results from the Solar EUV Monitor Aboard SOHO," American Geophysica Union 1996 Spring Meeting, Baltimore, Maryland, May 20-24, 1996, with D.R. McMullin, H.S. Ogawa, D. Hoevstadt, M. Hilchenbach, E. Möbius, L.R. Canfield, R. Watts, M. Kühne, and P. Wurz.
- "Broad-Band Absolute Solar EUV Flux Observed from teh STS-69 Shuttle During Low Solar Activity", AGU Spring Meeting, Baltimore, Maryland, May 20-24, 1996, with H.S. Ogawa, and D.r. McMullin.
- "The Solar EUV Spectrum Obtained with An Optics Free Spectrometer on September 12, 1995", AGU Spring Meeting, Baltimore, Maryland, May 20-24, 1996, with M.D. Daybell.
- "First Solar EUV Irradiances from SOHO by SEM," 17th International Workshop/SOLERS22 1996 Workshop, National Solar Observatory/Sacramento Peak, Sunspot, New Mexico, June 17-21, 1996, with D.R. McMullin, H.S. Ogawa, D. Hovestadt, M. Hilchebach, E. Möbius, L.R. Canfiled, R. Watts, M. Kühne, and P. Wurz.
- "Pioneer 10 and Voyagers 1 and 2 Backscattered UV Data and the Nature of the Insterstellar Medium," poster presented at 31st Scientific Assembly of CSOPAR, Birmingham England, July 14-21, 1996, with P. Gangopadhyay and P.C. Liewer.
- "Solar UV-Radiation," CELIAS Scientific Workshop and Co-I Meeting, Monastery Kloster Seeon, Germany, September 9-11, 1996.
- "The Preliminary Experimental Setup for S2 Absorption Cross Section Measurement and Temperature-Dependent Absorption Cross Sections of COS," The 8th International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October 22-25, 1996, with F.Z. Chen and C.Y.R. Wu.
- "Ultrahigh Resolution, High-Temperature Cross Section Measurements of N2 in the 833.1-834.5 and 915-917.3 Å Regions," The 8th International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October 22-25, 1996, with C.Y. Robert Wu, T. Hung, T. Matsui, and K. Ito.
- "Photon Sputtering of Molecular Ices Program at the USC Space Sciences Center," The 8th International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October 22-25, 1996, with C.Y.R. Wu, P. Scoggins, B.W. Yang and F.Z. Chen.
- "Study of Excited Electronic States of Multiply Charged CO Using Fluorescence Spectrometry," The Advanced Light Source Users' Association Annual Meeting, Berkeley, California, October 22-23, 1996, with C.Y.R. Wu, T. Hung and F.Z. Chen.
- "Radiometric Results Obtained to Date with the SOHO Extreme Ultraviolet Monitor (SEM and a Sounding Rocket Underflight", The Joint PTBA/ESA Seminar, Berlin, Germany, October 31 - November 1, 1996.
- "Comparisojn of Voyager 2 UV Data with Hot Model, Subsonic and Supersonic Heliosphere Model Predictions," Poster presented at the Spring AGU Meeting, San Francisco, December 15-19, 1996, with P. Gangopadhyay and P.C. Liewer.
- "Detection of Energetic Neutral Hydrogen Atoms of Heliospheric Origin", AGU Fall Meeting, San Francisco, California, December 15-19, 1996, with Hilchenbach, K.c. Hsieh, P. Bochsler, D. Hovestadt, H. Grünwaldt, F.M. Ipavich, W.I. Axford, H. Balsiger, A. Bürgi, M.A. Copllan, A.B. Galvin, J. Geiss, F. Gliem, G. Gloecker, B. Klecker, M.A. Lee, S. Livi, G.g. Managadze, E. Marsch, E. Möbius, M. Neugebauer, H.S. Ogawa, K. Reiche, M. Scholar, M.I. Vergin., B. Wildin, and P. Wurz.
- "A Pinhole Camera Technique for Measurement of the Solar Radius," Poste presented at the Spring AGU Meeting, San Francisco, California, December 15-19, 1996, with H.S. Ogawa, P. Gangopadhyay and K. Scherer.
- "Temperature-Dependent Ulreahigh-Resolution Absorption Cross Section Measurements on N2 in the 833.1-834.5 Å Region," The American Geophysical Union 1996 Fall Meeting, San Fancisco, California, December 15-19, 1996, AGU Trans. Eos, 77, No. 46, F535 (1996), with C.Y.R. Wu, T. Matsui, and K. Ito.
- "First year Solar EUV Irradiance from SOHO by the CELIAS/SEM", EGS/XXII General Assembly, Vienna, Austria, April 21-25, 1997, with H>S> Ogawa, D.R. McMullin, and P. Gangopadhyah.
- "Model and Laboratory Absorption Cross Section of N2 in the 916Å Region: A Temperature-Dependent Study", The American Geophysical Union 1997 Spring Meeting, Boston, Mass., May 27-30, 1997, AGU Trans. Eos, 78, No. 17, S225 (1997), with C.Y.R. Wu, and T. Hung.
- "Temperature-Dependent Absorption Cross Sections of NH3", The 1997 Users Group Meeting, Synchrotron Radiation Center, Madison, Wisconsin, October 24-25, 1997, with C.Y.R. Wu, F.Z. Chen and J. Caldwell.
- "Far UV Photoabsorption Cross Section of OCS: A Temperature-Dependent Study", The 1997 Users Group Meeting, Synchrotron Radiation Center, Madison, Wisconsin, October 24-25, 1997, with F.Z. Chen, and C.Y.R. Wu.
- "Absolute Solar EUV Irradiance from the SOHO CELIAS/SEM During the Long-term Minimum of Solar Cycle 23," The American Geophysical Union 1997 Fall Meeting, San Francisco, California, December 8-12, 1997, AGU Trans. Eos, 78, No. 46, SH52A-9, with H.S. Ogawa, D.R. McMullin and P. Gangopadhyay.
- "Breaking the 1000 Å Barrier of a Solar Optics Free EUV Spectrometer Optimized for SOHO Underflights," The American Geophysical Union 1997 Fall Meeting, San Francisco, California, December 8-12, 1997, AGU Trans. Eos, 78, No. 46, SH51A-6, with M.D. Daybell and J. Hoffman.
- "UV and EUV Solar Irradiance of the Determination of Solar Minimum," The American Geophysical Union 1997 Fall Meeting, San Francisco, California, December 8-12, 1997, AGU Trans. Eos, 78, No. 46, SH52A-4, with L.C. Puga, R.A. Viereck, and H.S. Ogawa.
- "Temperature-Dependent Photoabsorption and Emission Studies of Atmospheric Gases, with Application to Planetary Atmospheres," The NASA Workshop on Labratory Space Science, Harvard, Boston, Mass., April 1-3, 1998, with J. Caldwell, F.Z. Chen, T. Hung, and C.Y.R. Wu.
- "High Resolution, High Temperature Cross Section Measurements of N2 and N2 in the 834 and 917Å Regions," The NASA Workshop on Laboratory Space Science, Harvard, Boston, Mass., April 1-3, 1998, with T.Hung, K. Ito, T. Matsui, and C.Y.R. Wu.
- "Application of Laboratory UV Measurements of NH3and C2H2 Absorption Coefficients to Hubble Space Telescope Observations of Jupiter," The NASA Workshop on Laboratory Space Science, Harvard, Boston, Mass., April 1-3, 1998, with J. Caldwell, I. Dashevaky, and C.Y.R. Wu.
- "Application of Laboratory UV Measurements of CO and C2H2 Absorption Coefficients to Hubble Space Telescope Observations of Neptune," The NASA Workshop on Laboratory Space Science, Harvard, Boston, Mass., April 1-3, 1998, with N. Black, J. Caldwell, X.-M. Hua, and C.Y.R. Wu.
- "SOHO solar Extreme Ultraviolet Full Disk Flux Observations Since SOHO SEM Commissioning in December 1995", The Tiger Meeting, Freiburg, Germany, June 18-19, 1998, with D.R. McMullin, and H.S. Ogawa.
- "Study of Decay Processes of Excited Electronic States of Multiply Charged CO Using Fluorescence Spectrometry," The 12th International Conference on Vacuum UV Radiation Physics, San Francisco, CA, August 3-7, 1998, with F.Z. Chen, T. Hung, and C.Y.R. Wu.
- "High Resolution, High-Temperature, Cross Section Measurements of N2 in 916Å Regions," The 12th International Conference on Vacuum UV Radiation Physics, San Francisco, CA, August 3-7, 1998, with T. Hung, K. Ito, T. Matsui, and C.Y.R. Wu.
- "Temperature-Dependent Ultrahigh-Resolution Absorption Cross Section Measurements of O2 in the 83.4 and 91.6 nm Regions", The American Geophysical Union 1999 Spring Meeting, Boston, MA., June 1-4, 1999, AGU Trans. Eos, 80, No. 17, S240 (1999), with C.Y.R. Wu, T. Matsui, and K. Ito.
- "Cross Sections for the Production of Fluorescence of NI, NII, OI, and OII Produced Through Photoexcitation of N2 and O2", The American Geophysical Union 1998 Fall Meeting, San Francisco, CA., December 6-10, 1998, AGU Trans. Eos, 79. No. 45, F669 (1998), with C.Y.R. Wu, F.Z. Chen, K. Kameta, N. Kouchi, and Y. Hatano.
- "Temperature-Dependent Ultrahigh-Resolution Absorption Cross Section Measurements of N2 in the 83.4 nm Region", The American Geophysical Union 1999 Fall Meeting, San Francisco, CA., December 13-17, 1999, AGU Trans. Eos, 80, No. 46, F780 (1999), with C.Y.R. Wu, F.Z. Chen, and T. Matsui.
- "The Scale Height, Temperature and Density of Atomic Oxygen in the Earth's Atmosphere Observed by the Solar Extreme Ultraviolet Hitchhiker (SEH) on the STS 85 and STS 95 Space Shuttle Missions", The American Geophysical Union 1999 Fall Meeting, San Francisco, CA., December 13-17, 1999, with D. McMullin, H. Ogawa, G. Smith, and L. Broadfoot.
- "High-Temperature Ultrahigh-Resolution Absorption Cross Section Measurements of O2 in the 91.6 and 108.5 nm Region," The American Geophysical Union 2000 Spring Meeting, Washington, D.C., May 30 - June 2, 2000, AGU Trans. Eos., (2000), with D. McMullin, H.S. Ogawa and P. Gangopadhyay.
- "The Sun-Earth Energy Connector (SEEC) Mission," The American Geophysical Union 2000 Fall Meeting, San Francisco, CA, December 10-15, 2000, with R.R. Meier, J. Lean, and A.B. Christensen.