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Websites | ||||||||||||||

Wolf publication list 1/24/18 | ||||||||||||||

Publications--R. A. Wolf | ||||||||||||||

Publications--Richard Wolf | ||||||||||||||

Wolf publications as of 2/23/16 | ||||||||||||||

Research Areas | ||||||||||||||

Earth's magnetosphere and ionosphere | ||||||||||||||

Selected Publications | ||||||||||||||

Refereed articles | ||||||||||||||

Wolf, R. A., F. R. Toffoletto, A. M. Schutza, and J. Yang "Buoyancy waves in Earth's magnetosphere: Calculations for a 2D wedge magnetosphere." | ||||||||||||||

Wolf, R. A., R. W. Spiro, S. Sazykin, F. R. Toffoletto, and J. Yang "Forty-seven years of the Rice Convection Model." | ||||||||||||||

Califf, S., X. Li, R. A. Wolf, H. Zhao, A. N. Jaynes, F. D. Wilder, D. M. Malaspina, and R. Redmon "Large-amplitude electric fields in the inner magnetosphere: Van Allen Probes observations of subauroral polarization streams." | ||||||||||||||

Panov, E., W. Baumjohann, R. Wolf, R. Nakamura, V. Angelopoulos, J. R. Weygand, and M. Kubyshkina "Magnetotail energy dissipation during an auroral substorm." | ||||||||||||||

Yang, J., F. R. Toffoletto, and R. A. Wolf (2016). . J. Geophys. Res. Space Phys., 121, 374-379. doi:10.1002/2015JA021901. "Comparison study of ring current simulations with and without bubble injections." | ||||||||||||||

Yang, J., F. R. Toffoletto, R. A. Wolf, and S. Sazykin "On the contribution of plasma sheet bubbles to the storm time ring current." | ||||||||||||||

C.-P. Wang, M. Gkioulidou, L. R. Lyons, X. Xing, and R. A. Wolf "Interchange Motion as a Transport Mechanism for Formation of a Cold-Dense Plasma Sheet." | ||||||||||||||

Califf, S., X. Li, L. Blum, A. Jaynes, Q. Schiller, H. Zhao, D. Malaspina, M. Hartinger, R. A. Wolf, D. E. Rowland, J. R. Wygant, and J. W. Bonnell "THEMIS measurements of quasi-static electric fields in the inner magnetosphere." | ||||||||||||||

J. Yang, F. R. Toffoletto, R. A. Wolf, and S. Sazykin "RCM-E Simulation of a Thin Arc Preceded by a North-South-Aligned Auroral Streamer." | ||||||||||||||

J. Yang, R. A. Wolf, F. R. Toffoletto, S. Sazykin, and C,-P. Wang "RCM-E Simulation of Bimodal Transport in the Plasma Sheet." | ||||||||||||||

J. Yang, R. A. Wolf, F. R. Toffoletto, S. Sazykin, and C,-P. Wang "RCM-E Simulation of Bimodal Transport in the Plasma Sheet." | ||||||||||||||

Panov, E. V., R. A. Wolf, M. V. Kubyshkina, R. Nakamura, and W. Baumjohann (2014) "Anharmonic oscillatory flow braking in the Earth's magnetosphere." | ||||||||||||||

S. Califf, X. Li, L. Blum, A. Jaynes, Q. Schiller, H. Zhao, D. Malaspina, M. Hartinger, R. A. Wolf, D. E. Rowland, J. R. Wygant, and J. W. Bonnell "THEMIS Measurements of Quasi-Static Electric Fields in the Inner Magnetosphere." | ||||||||||||||

J. Yang, R. A. Wolf, F. R. Toffoletto, and S. Sazykin "RCM-E simulation of substorm growth phase arc associated with large-scale adiabatic convection." | ||||||||||||||

J. Yang, F. R. Toffoletto, R. A. Wolf, S. Sazykin, P. A. Ontiveros, and J. M. Weygand "Large-scale current systems and ground magnetic disturbances during deep substorm injctions." | ||||||||||||||

M. Gkioulidou, C.-P. Wang, L. Lyons, R. A. Wolf, and T.-S. Hsu "Effect of an MLT dependent electron loss rate on the magnetosphere-ionosphere coupling." | ||||||||||||||

R. A. Wolf, C. X. Chen, and F. R. Toffoletto "Thin filament simulations for Earth's plasma sheet: Tests of validity of the quasi-static approximation." | ||||||||||||||

R. A. Wolf, C. X. Chen, and F. R. Toffoletto "Thin-filament simulations for Earth's plasma sheet: Interchange oscillations." | ||||||||||||||

B. Hu, R. A. Wolf, F. R. Toffoletto, J. Yang, and J.Raeder "Consequences of violation of frozen-in-flux: Evidence from OpenGGCM simulations." | ||||||||||||||

C.-P. Wang, M. Gkioulidou, L. R. Lyons, R. A. Wolf, V. Angelopoulos, T. Nagai, J. M. Weygand, and A. T. Y. Lui "Spatial distributions of ions and electrons from the plasma sheet to the inner magnetosphere: Comparisons between THEMIS-Geotail statistical results and the Rice Convection Model." | ||||||||||||||

J. Yang, F. R. Toffoletto, R. A. Wolf, and S. Sazykin "RCM-E simulation of ion acceleration during an idealized bubble injection." | ||||||||||||||

J. Yang, R. A. Wolf, and F. R. Toffoletto "RCM-E simulation results of accelerated thinning of the near-Earth plasma sheet caused by a bubble-blob pair." | ||||||||||||||

B. Hu, F. R. Toffoletto, R. A. Wolf, S. Sazykin, J. Raeder, D. Larson, and A. Vapirev "One-way coupled OpenGGCM/RCM simulation of the March 23, 2007 substorm event", | ||||||||||||||

X. Liu, T. W. Hill, R. A. Wolf, S. Sazykin, R. W. Spiro, and H. Wu "Numerical simulation of plasma transport in Saturn's inner magnetosphere using the Rice Convection Model", | ||||||||||||||

Y. Wan, S. Sazykin, R. A. Wolf, and M. K. Ozturk "Drift shell bifurcation near the dayside magnetopause in realistic magnetospheric magnetic fields", | ||||||||||||||

M. Gkioulidou, C.-P. Wang, L. R. Lyons, and R. A. Wolf "Formation of the Harang reversal and its dependence on plasma sheet conditions: RCM simulations." | ||||||||||||||

C.-P. Wang, L. R. Lyons, R. A. Wolf, T. Nagai, J. Weygand, and A. T. Y. Lui "The plasma sheet PV5/3 and nV and associated plasma and energy transport for different convection strengths and AE levels." | ||||||||||||||

J. Yang, F. R. Toffoletto, G. M. Erickson, and R. A. Wolf "Superposed epoch study of PV^5/3 during substorms, pseudobreakups, and convection bays, Geophysical Research Letters, 37 (2010): L07102 | ||||||||||||||

J.-C. Zhang, R. A. Wolf, G. M. Erickson, R. W. Spiro, F. R. Toffoletto, and J. Yang "Rice Convection Model simulation of the injection of an observed bubble into the inner magnetosphere: 1. Magnetic-field and other inputs." | ||||||||||||||

J.-C. Zhang, R. A. Wolf, R. W. Spiro, G. M. Erickson, S. Sazykin, F. R. Toffoletto, and J. Yang "Rice Convection Model simulation of the injection of an observed bubble into the inner magnetosphere: 2. Simulation results." | ||||||||||||||

L. Wu, F. Toffoletto, and R. A. Wolf "Computing magnetospheric equilibria with anisotropic pressures." | ||||||||||||||

R. A. Wolf, Y. Wan, X. Xing, J.-C. Zhang, and S. Sazykin "Entropy and plasma sheet transport." | ||||||||||||||

J. C. Zhang, R. A. Wolf, S. Sazykin, and F. R. Toffoletto "Injection of a bubble into the inner magnetosphere" | ||||||||||||||

J. Yang, F. R. Toffoletto, R. A. Wolf, S. Sazykin, R. W. Spiro, P. C. Brandt, M. G. Henderson, and H. U. Frey "Rice Convection Model simulation of the 18 April 2002 sawtooth event and evidence for interchange instability" | ||||||||||||||

Y. Song, S. Sazykin, and R. A. Wolf "On the relationship between kinetic and fluid formalisms for convection in the inner magnetosphere" | ||||||||||||||

H. Wu, T. W. Hill, R. A. Wolf, and R. W. Spiro "Numerical simulation of fine structure in the Io plasma torus produced by centrifugal interchange instability" | ||||||||||||||

J. R. Kan, X. Xing, and R. A. Wolf "Intensity of geomagnetic storms depends on the X-line location in the plasma sheet" | ||||||||||||||

J. Zhang, M. W. Liemohn, D. L. DeZeeuw, J. E. Borovsky, A. J. Ridley, G. Toth, S. Sazykin, M. F. Thomsen, J. U. Kozyra, T. I. Gombosi, and R. A. Wolf "Understanding storm-time ring current development through data-model comparisons of a moderate storm" | ||||||||||||||

M. K. Ozturk and R. A. Wolf (2007), Bifurcation of drift shells near the dayside magnetopause, | ||||||||||||||

N. Maruyama, S. Sazykin, R. W. Spiro, B. G. Fejer, R. Wolf, D. Anderson, A. Anghel, F. R. Toffoletto, T. J. Fuller-Rowell, M. Codrescu, A. D. Richmond, and G. H. Millward "Modeling storm-time electrodynamics of the low-latitude ionosphere-thermosphere system: Can long lasting disturbance electric fields be accounted for?" | ||||||||||||||

T. W. Garner, G. Crowley, and R. A. Wolf "The impact of stormtime changes in the non-auroral conductance upon the low- and mid-latitude electric field", | ||||||||||||||

X. Xing and R. A. Wolf "Criterion for interchange instability in a plasma connected to a conducting ionosphere" | ||||||||||||||

R. A. Wolf, R. A., R. W. Spiro, S. Sazykin, F. R. Toffoletto, P. L. Sager, and T. S. Huang "Use of Euler potentials for describing magnetosphere-ionosphere coupling" | ||||||||||||||

R. A. Wolf, V. Kumar, F. R. Toffoletto, G. M. Erickson, A. M. Savoie, C. X. Chen, and C. L. Lemon "Estimating local plasma sheet PV5/3 from single-spacecraft measurements" | ||||||||||||||

G. Toth, I. V. Sokolov, T. I. Gombosi, D. R. Chesney, C. R. Clauer, D. L. De Zeeuw, K. C. Hansen, K. J. Kane, W. B. Machester, R. C. Oehmke, K. G. Powell, A. J. Ridley, I. I. Roussev, Q. F. Stout, O. Volberg, R. A. Wolf, S. Sazykin, B. Yu, and J. Kota "Space Weather Modeling Framework: A new tool for the space science community" | ||||||||||||||

J. D. Huba, G. Joyce, S. Sazykin, R. Wolf, and R. Spiro "Simulation study of penetration electric field effects on the low- to mid-latitude ionosphere", | ||||||||||||||

Y. Ebihara, M.-C. Fok, R. A. Wolf, M. F. Thomsen, and T. E. Moore "Nonlinear impact of plasma sheet density on the storm-time ring current" | ||||||||||||||

C. Lemon, R. A. Wolf, T. W. Hill, S. Sazykin, R. W. Spiro, F. R. Toffoletto, J. Birn, and M. Hesse "Magnetic storm ring current injection modeled with the Rice Convection Model and a self-consistent magnetic field" | ||||||||||||||

D. L. De Zeeuw, S. Sazykin, R. A. Wolf, T. I. Gombosi, A. J. Ridley, and G. Toth "Coupling of a global MHD code and an inner magnetospheric model: Initial results", | ||||||||||||||

F. Toffoletto, J. Lyon, S. Sazykin, R. Spiro, and D. Wolf "RCM meets LFM: Initial results of one-way coupling" | ||||||||||||||

J. Birn, J. J. Raeder, Y. L. Wang, R. A. Wolf, and M. Hesse, "On the propagation of bubbles in the geomagnetic tail", | ||||||||||||||

J. Goldstein, J., R. A. Wolf, B. R. Sandel, and P. H. Reiff "Electric fields deduced from plasmapause motion in IMAGE EUV images", Geophysical Research Letters | ||||||||||||||

T. W. Garner, R. A. Wolf, R. W. Spiro, W. J. Burke, B. G. Fejer, S. Sazykin, J. L. Roeder, and M. R. Hairston "Magnetospheric electric fields and plasma sheet injection to low L-shells during the 4–5 June 1991 magnetic storm: Comparison between the Rice Convection Model and observations", | ||||||||||||||

Y. Ebihara, M. C. Fok, R. A. Wolf, T. J. Immel, and T. E. Moore "Influence of ionosphere conductivity on the ring current", | ||||||||||||||

C.-P. Wang, L. R. Lyons, M. W. Chen, R. A. Wolf, and F. R. Toffoletto "Modeling the inner plasma sheet protons and magnetic field under enhanced convection" | ||||||||||||||

F. Toffoletto, S. Sazykin, R. Spiro, and R. Wolf "Inner magnetospheric modeling with the Rice Convection Model", | ||||||||||||||

J. Goldstein, R. W. Spiro, B. R. Sandel, R. A. Wolf, S.-Y. Su, and P. H. Reiff "Overshielding event of 28-29 July 2000", | ||||||||||||||

M.-C. Fok, T. E. Moore, G. R. Wilson, J. D. Perez, X. X. Zhang, P. C:son Brandt, D. G. Mitchell, E. C. Roelof, J.-M. Jahn, C. J. Pollock, and R. A. Wolf "Global ENA IMAGE simulations", | ||||||||||||||

S. Ji and R. A. Wolf "Double-adiabatic-MHD theory for motion of a thin magnetic filament and possible implications for bursty bulk flows", | ||||||||||||||

S. Ji and R. A. Wolf (2003) "Firehose instability near substorm expansion phase onset?" | ||||||||||||||

C.-P. Wang, L. R. Lyons, M. W. Chen, and R. A. Wolf "Two-dimensional quiet time equilibrium for the inner plasma sheet protons and magnetic field" | ||||||||||||||

J. Goldstein, R. W. Spiro, P. H. Reiff, R. A. Wolf, B. R. Sandel, J. W. Freeman, and R. L. Lambour "IMF-driven overshielding electric field and the origin of the plasmaspheric shoulder of May 24, 2000", | ||||||||||||||

R. A. Wolf, R. W. Spiro, S. Sazykin, and F. R. Toffoletto "How the Earth's inner magnetosphere works: An evolving picture" | ||||||||||||||

S. Sazykin, R. A. Wolf, R. W. Spiro, T. I. Gombosi, D. L. DeZeeuw, and M. F. Thomsen "Interchange instability in the inner magnetosphere associated with geosynchronous particle flux decreases" | ||||||||||||||

Refereed conference papers | ||||||||||||||

T. W. Garner, G. Crowley, and R. A. Wolf "Impact of the neutral wind dynamo on the development of the region 2 dynamo" in | ||||||||||||||

R. A. Wolf, S. Sazykin, X. Xing, R. W. Spiro, F. R. Toffoletto, D. L. D. Zeeuw, T. I. Gombosi, and J. Goldstein "Direct Effects of the IMF on the Inner Magnetosphere" in | ||||||||||||||

S. Sazykin, R. W. Spiro, R. A. Wolf, F. R. Toffoletto, N. Tsyganenko, J. Goldstein, and M. R. Hairston "Modeling inner magnetospheric electric fields: Latest self-consistent results", in | ||||||||||||||

C. R. Clauer, T. I. Gombosi, K. G. Powell, Q. F. Stout, G. Toth, D. DeZeeuw, A. J. Ridley, R. A. Wolf, R. G. Roble, and T. E. Holzer "Development of an integrated predictive MHD space weather model from the solar surface to the Earth's upper atmosphere", in | ||||||||||||||

Conference papers | ||||||||||||||

N. Maruyama, T. J. Fuller-Rowell, M. V. Codrescu, D. Anderson, A. D. Richmond, A. Maute, S.Sazykin, F. R. Toffoletto, R. W. Spiro, R. A. Wolf, and G. H. Milward
"Modeling the storm time electrodynamics
." | ||||||||||||||

R. A. Wolf "Theories and simulations in substorm research: A review." | ||||||||||||||

F. R. Toffoletto, R. W. Spiro, R. A. Wolf, J. Birn, and M. Hesse "Computer experiments on substorm growth and expansion", paper presented at Fifth International Conference on Substorms, ESA, St. Petersburg, Russia (2000): 351-355. | ||||||||||||||

Presentations | ||||||||||||||

Conference Paper | ||||||||||||||

"New Way of Characterizing the State of the Ring Current." AGU Fall Meeting, New Orleans, LA. (12/14/17) With S. Bao, M. Gkioulidou, J. Yang, and F. R. Toffoletto | ||||||||||||||

"Theory of Magnetospheric Buoyancy Waves." GEM Workshop, Norfolk, VA. (6/19/17) With F. R. Toffoletto, A. M. Schutza | ||||||||||||||

"Ideal-MHD Instability of Inner-Plasma-Sheet Quiet Evening Arcs." GEM Workshop, Sante Fe, NM. (6/23/16) With A. Suresh, J. Yang | ||||||||||||||

"MHD Instability of Evening Arcs in the Inner Plasma Sheet." AGU Fall Meeting, San Francisco, CA. (12/15/16) With A. Suresh J. Yang F. R. Toffoletto | ||||||||||||||

"Adiabatic convection, flux accumulation regions, and thin current sheets." Workshop on Magnetotail Reconnection and Dipolarization Fronts, Johns Hopkins Applied Physics Lab. (9/17/15) With A. Suresh J. Yang | ||||||||||||||

"Propagation of buoyancy waves through the magnetosphere." Fall AGU Meeting, San Francisco, CA. (12/15/2015) With A. Schutza F. R. Toffoletto | ||||||||||||||

"Auroral Arcs in a Rice Convection Model Context." Fall AGU Meeting, San Francisco. (December 15, 2014) With A. Jaggi, S. Sazykin, J. Yang, and F. R. Toffoletto | ||||||||||||||

Invited Papers | ||||||||||||||

"Modeling dynamic effects of changes in plasma sheet entropy in substorms." IUGG meeting, Melbourne, Austalia. (July 4, 2011) With J. Yang, B. Hu, F. R. Toffoletto, and S. Sazykin | ||||||||||||||

"Physics of Region-2 Currents." International Association of Geomagnetism and Aeronomy, Sopron, Hungary. (August 25, 2009) | ||||||||||||||

Invited Talks | ||||||||||||||

"45 years of the Rice Convection Model." Workshop on Magnetosphere-Ionosphere Coupling in the Solar System, Yosemite National Park. (2/12/14) With R. W. Spiro, S. Sazykin, F. R. Toffoletto, and J. Yang | ||||||||||||||

"The role of bubbles in the transport of particles from the plasma sheet to the inner magnetosphere." Fall Meeting of American Geophysical Union, San Francisco, CA. (December 12, 2013) With J. Yang, F. Toffoletto, and S. Sazykin | ||||||||||||||

"What controls the thickness of region-2 Birkeland currents?." THEMIS/ARTEMIS Science Working Group Meeting, Fairbanks, AK. (3/26/13) With J. Yang and F. R. Toffoletto | ||||||||||||||

"Transport from the tail to the inner magnetosphere." GEM Workshop, Snowmass Village, Colorado. (June 21, 2012) | ||||||||||||||

"Cross-region coupling as represented in the Rice Convection Model." Western Pacific Geophysical Meeting, Taipei, Taiwan. (June 23, 2010) With Y. Song, S. Sazykin, C. X. Chen, F. R. Toffoletto, J. Yang, and J. Zhang | ||||||||||||||

"Theories and simualtions in substorm research: A review." ICS-10 Conference, Pismo Beach, California. (March 25, 2010) | ||||||||||||||

"Entropy and Earthward Transport in the Plasma Sheet." GEM Workshop, Snowmass Village, CO. (June 26, 2009) | ||||||||||||||

"Some Thoughts About the Progress of CWMM." CCHM/CWMM Workshop, Lahaina, HI. (February 24, 2009) With S. Sazykin | ||||||||||||||

Other | ||||||||||||||

"Interchange oscillations." AGU Meeting, San Francisco. (December 17, 2010) With C. X. Chen and F. R. Toffoletto | ||||||||||||||

Posters | ||||||||||||||

"Effects of field-aligned potential drops on region-2 currents, shielding, and the decoupling of magnetospheric and ionospheric flows." Fall Meeting of American Geophysical Union, San Francisco, CA. (December 13, 2013) With S. Sazykin | ||||||||||||||

"Interchange oscillations of thin filaments in the plasma sheet." ICS-10 Workshop, Pismo Beach, California. (March 25, 2010) With C. X. Chen and F. R. Toffoletto | ||||||||||||||

Seminar Speaker | ||||||||||||||

"Buoyancy Waves in Earth's Magnetosphere." Space Physics Seminar, Rice University. (11/20/17) | ||||||||||||||

"Interchange Instabilities in Solar System Plasmas." Physics and Astronomy Dept., Rice University, Rice University. (4/15/15) | ||||||||||||||

"The Role of Flux Tube Entropy in Earth's Plasma Sheet." Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO. (10/22/15) | ||||||||||||||

"Advice to the young scientist." Space Physics Seminar, Rice Univerity. (January 24, 2011) | ||||||||||||||

"Entropy and earthward transport in the plasma sheet." Aerospace Corporation, Los Angeles. (May 26, 2011) | ||||||||||||||

"Modelling transport from the plasma sheet to the inner magnetosphere: Learning physics from lousy models." IGPP Seminar, UCLA. (May 27, 2011) | ||||||||||||||

"Bubbles, Blobs, and Reconnection." Space Physics Seminar, Rice University. (September 27, 2010) With B. Hu, F. R. Toffoletto, and J. Yang | ||||||||||||||

"On Field-Aligned Currents and Bubbles." Space Physics Seminar, Rice University, Houston, TX. (September 21, 2009) | ||||||||||||||

Awards, Prizes, & Fellowships | ||||||||||||||

Elected Fellow, American Geophysical Union (1999) |