Earth
and Space Sciences Faculty |
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Robert
H. Holzworth |
Areas of Interest:
Experimental Space and Plasma Physics
Research Group:
Space
and Planetary Physics
Other
UW Academic Affiliations:
Adjunct Professor, Dept of Physics
Education:
Ph.D., Physics, University of California,
Berkeley, 1977
Current Research:
Research: Presently funded research
includes balloon, rocket and satellite instrumentation relating to experiments
in space physics and atmospheric electrodynamics.
(1) Sprite Balloon experiment: NSF funded (ATM -0091825) experiment to make
direct in-situ measurements of the electromagnetic environment of red sprites
in the stratosphere.
(2) Equatorial ionospheric plasma irregularity investigation on the CNOFS satellite.
Instrument is an optical lightning detector which is part of the VEFI vector
electric field instrument (with R. Pfaff/NASA) (supported by NASA under grant
NAG5-11675) to be launched in 2003.
(3) Antarctic balloon experiments to study megnetospheric dynamics. This NSF
sponsored experiment involves instruments on balloons to be launched with the
Japanese (NIPR)and later in coordination with UCBerkeley (D. Smith). Our instruments
make vector electric field measurements. Launches scheduled for this year and
next. (OPP-126028)
(4) DROPPS: Distribution and Role of Particles in the Polar Summer mesosphere
Using Coordinated Rocket, Radar and Lidar Techniques (with R.A. Goldberg/NASA/GSFC)
- wherein I provided the vector electric field booms and sensors for two rockets
launched in 1999 into a strong PMSE (Polar Mesospheric Stratospheric Echo) region
and the other into a strong NLC (Nocilucent Cloud) - NASA NAG5-5183
(5) Thunderbolt: in which I provided an optical lightning sensor for a rocket
launched over a thunderstorm in 2000 (with J. Wygant/Univ. of Minn. and M. McCarthy/UW)
- NASA NAG5-5190
(6) ELBBO: Extended Life Balloon Borne Observatories: in which I provided 6
balloon payloads which measured stratospheric electric fields and included the
record duration stratospheric flight of over 4 months. NSF ATM9987684.
Selected Publications:
Intense ionospheric electric
field pulses generated by lightning, Geophys. Res. Lett., 17, 2221, 1990 (with
M. C. Kelley and J. G. Ding).
Conductivity and electric field variations with altitude in the stratosphere, J. Geophys. Res., 96, 12857- 12864, 1991.
ELBBO: Extended Life Balloon Borne Observatories, URSI Radioscientist, vol. 4, pp. 33 - 37, 1993. (with K. W. Norville, H. Hu, R. L. Dowden, C. D. D. Adams, J. Brundell, Jr. O. Pinto, I. Pinto, and W. D. Gonzalez)
Introduction to Atmospheric Electricity: IUGG Symposium, J. Geophys. Res., 101, 29,607, 1996.
LF and MF Observations of the Lightning Electromagnetic Pulse at Ionospheric Altitudes, Geophys. Res. Lett., 24, 1111, 1997. (with Kelley, M. C.,S. D. Baker, P. Argo, and S. A. Cummar )
Whistler Waves in the High-latitude magnetosphere J. Geophys. Res., 104, 17,369-78, 1999. (with R. M. Winglee and M. C. Kelley)
Large Electric Potential Perturbations in PMSE During DROPPS"Holzworth, R.H., R.F. Pfaff, R.A. Goldberg, S.R. Bounds, F.J. Schmidlin, H.D.Voss, A.J. Tuzzolino, C.L. Croskey, J.D. Mitchell, G. von Cossart, W.Singer, U.P. Hoppe, D. Murtagh, G. Witt, J. Gumbel and M. Friedrich , Geophys. Res. Lett., 28 (8),1435, 2001.
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