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Bob Weigel
Associate Professor
George Mason University
4400 University Drive
Fairfax, VA 22030


  1. Research Interests
  2. Education
  3. Positions
  4. Publications

1. Research Interests

Magnetospheric physics and geomagnetism, space weather, and solar wind/magnetosphere/ionosphere modeling

2. Education

  • University of Texas at Austin, PhD, Physics, 2000
  • University of Illinois at Urbana-Champaign, MS, Physics, 1997
  • University of Wisconsin-Platteville, BS, Mechanical Engineering, 1995

3. Positions

  • Associate Professor, 2015-, Department of Physics and Astronomy, George Mason University.
  • Associate Professor, 2011-2015, School of Physics, Astronomy, and Computational Sciences, George Mason University.
  • Director, 2009-, Space Weather Laboratory, George Mason University, Fairfax, VA.
  • Assistant Professor, 2006-2011, Department of Computational and Data Sciences, George Mason University.
  • Research Scientist, 2003-2006, Laboratory for Atmospheric and Space Physics University of Colorado at Boulder, Boulder, CO.
  • Postdoctoral Researcher, 2001-2003, National Academy of Sciences at NASA Goddard Space Flight Center, Greenbelt, MD.

4. Publications

  • Veibell, V., Weigel, R.S., and Denton, R.E., Solar wind, F10.7, and geomagnetic activity relationship to the equatorial plasma mass density at geosynchronous orbit, Space Weather, 2016 [1].
  • Glocer, A., L. Rastatter, M. Kuznetsova, A. Pulkkinen, H. J. Singer , C. Balch , D. Weimer , D. Welling , M. Wiltberger, J. Raeder, R. Weigel, J. McCollough, and S. Wing, Community-wide validation of geospace model local K-index predictions to support model transition to operations, Space Weather, 2016 [2].
  • McCracken, J.M and Weigel, R.S., Nonparametric causal inference for bivariate time series, Phys. Rev. E 93, 2016 [3].
  • Nwankwo, V., Chakrabarti, S.K, Weigel, R.S., Effects of Plasma Drag on Low Earth Orbiting Satellites due to Solar Forcing Induced Perturbations and Heating, Advances in Space Research, 2015 [4].
  • Andrew Kercher and R. S. Weigel, Removal of pseudo-convergence in coplanar and near-coplanar Riemann problems of ideal magnetohydrodynamics solved using finite volume schemes, Journal of Computational Physics, 2015 [5].
  • James M. McCracken, Robert S. Weigel, Convergent Cross-Mapping and Pairwise Asymmetric Inference, Physical Review E, 2014 [6].
  • Pulkkinen, A., L. Rastätter, M. Kuznetsova, H. Singer, C. Balch, D. Weimer, G. Toth, A. Ridley, T. Gombosi, M. Wiltberger, J. Raeder and R. Weigel, Community-wide validation of geospace model ground magnetic field perturbation predictions to support model transition to operations, Space Weather, 2013 [7].
  • Rowland, W. and R.S. Weigel, Intra-calibration of Particle Detectors on a Three-Axis Stabilized Geostationary Platform, Space Weather, 2012 [8].
  • Rastätter, L., M. M. Kuznetsova, A. Glocer, D. Welling, X. Meng, J. Raeder, M. Wiltberger, V. K.Jordanova, Y. Yu, S. Zaharia, R. S. Weigel, S. Sazykin, R.Boynton, H. Wei, V. Eccles, W. Horton, M. L. Mays, and J. Gannon, Geospace environment modeling 2008–2009 challenge: Dst index, Space Weather, 2012 [9].
  • A. Pulkkinen, M. Kuznetsova, A. Ridley, J. Raeder, D. Weimer, R.S. Weigel, M. Wiltberger, G. Millward, L. Rastter, M. Hesse, H. J. Singer and A. Chulaki, Geospace Environment Modeling 2008-2009 Challenge: ground magnetic field perturbations, Space Weather, 2011 [10].
  • Weigel, R.S., Comment on "Lies, damned lies and statistics (in Geology)" by Vermeesch, 2009, Eos, 2011 [11].
  • Weigel, R.S., Solar wind density influence on geomagnetic storm intensity, Journal of Geophysical Research, 2010 [12].
  • Weigel, R.S., D. M. Lindholm, A. Wilson, and J. Faden, TSDS: high-performance merge, subset, and filter software for time series-like data, Earth Science Informatics, 2010 [13].
  • Weigel, R.S., M. Zhizhin, D. Mishin, D. Kokovin, E. Kihn, and J. Faden, VxOware: Software for Managing Virtual Observatory Metadata, Earth Science Informatics, 2010 [14].
  • Faden, J.B., R. S. Weigel, J. Merka and R. H. W. Friedel, Autoplot: a browser for scientific data on the web, Earth Science Informatics, 2010 [15].
  • Borne, K., Wallin, J., and Weigel, R., The New Computational and Data Sciences Undergraduate Program at George Mason University, The International Conference on Computational Science, 2009 [16].
  • Weigel, Robert S., Daniel N. Baker, D. Aaron Roberts, and Todd King, Using Virtual Observatories for Heliophysics Research, Eos, 2009 [17].
  • Wiltberger, M., R. S. Weigel, W. Lotko, and J. A. Fedder., Modeling seasonal variations of auroral particle precipitation in a global-scale magnetosphere-ionosphere simulation, Journal of Geophysical Research, 2009 [18].
  • Weigel, R. S., Solar wind time history contribution to the day-of-year variation in geomagnetic activity, Journal of Geophysical Research, 2007 [19].
  • Baker, D. N., Wiltberger, M. J., Weigel, R. S., and Elkington, S. R. Present status and future challenges of modeling the Sun Earth end-to-end system, Journal of Atmospheric and Solar-Terrestrial Physics, 2007 [20].
  • Doxas, I., W. Horton, J. Lyon, M. Wiltberger, R. S. Weigel Branch prediction and speculative execution: A magnetospheric data assimilation scheme for space weather forecasting, Space Weather, 2007 [21].
  • Weigel, R. S., T. Detman, E. J. Rigler, and D. N. Baker, Decision theory and the analysis of rare event space weather forecasts, Space Weather, 2006 [22].
  • Wiltberger, M., Weigel, R.S., Gehmeyr, M., Guild, T., Analysis and Visualization of Space Science Models Outputs and Data with CISM-DX, Journal of Geophysical Research, 2005 [23].
  • Sitnov, M.I, A.Y. Ukhorskiy, A.S. Sharma, and R.S. Weigel, Roles of Chaos, Self-Organized Criticality and Phase Transitions in Magnetospheric Physics, in Multiscale Coupling of Sun-Earth Processes, Liu, A.T.Y., Y. Kamide, and G. Consolini eds., 2005 [24].
  • Weigel, R.S., D.N. Baker, D. Vassiliadis, and E.J. Rigler, Predictability of Geomagnetic Fluctuations Based on Solar Wind Conditions, IEEE Transactions on Plasma Science, 2004 [25].
  • Baker, D. N., Weigel, R. S., Rigler, E. J., McPherron, R. L., Vassiliadis, D., Arge, C. N., Siscoe, G. L., and Spence, H. E., Sun-to-magnetosphere modeling: CISM forecast model development using linked empirical methods, Journal of Atmospheric and Solar-Terrestrial Physics, 2004. [26]
  • Rigler, E. J., Baker, D. N., Weigel, R. S., Vassiliadis, D., Klimas, A. J., Adaptive linear prediction of radiation belt electrons using the Kalman filter, Space Weather, 2004 [27].
  • Spence, Harlan, Baker, Daniel, Burns, Alan, Guild, Timothy, Huang, Chia-Lin, Siscoe, George, and Weigel, Robert, Center for integrated space weather modeling metrics plan and initial model validation results, Journal of Atmospheric and Solar-Terrestrial Physics, 2004 [28].
  • Siscoe, G., Baker, D., Weigel, R., Hughes, J., and Spence, H., Roles of empirical modeling within CISM, Journal of Atmospheric and Solar-Terrestrial Physics, 2004 [29].
  • Vassiliadis, D.; Weigel, R. S.; Baker, D. N.; Kanekal, S. G.; Klimas, A. J., Probing the solar wind-inner magnetospheric coupling: validation of relativistic electron flux models, Journal of Atmospheric and Solar-Terrestrial Physics, 2004 [30].
  • Weigel, R.S., D.N. Baker, Probability Distribution Invariance of 1-Minute Auroral-Zone Geomagnetic Field Fluctuations, Geophysical Research Letters, 2004 [31].
  • Weigel, R.S., D. Vassiliadis, and A.J. Klimas, Solar-Wind Coupling to Ground Magnetic Fields and their Time Derivatives, Geophysical Research Letters, 2003 [32].
  • Weigel, R.S., D. Vassiliadis, and A.J. Klimas, Precursor analysis and Prediction of Large-Amplitude Energetic Electron Events, Space Weather, 2003 [33].
  • Horton, W., R.S. Weigel, D. Vassiliadis, and I. Doxas, Substorm Classification with the WINDMI Model, Nonlinear Processes in Geophysics, 2003 [34].
  • Vassiliadis, D., R.S. Weigel, A.J. Klimas, S.G. Kanekal, and R.A. Mewaldt, Modes of Energy Transfer Between the Solar Wind and the Inner Magnetosphere, Physics of Plasmas, 2003 [35].
  • Vassiliadis D, A.J. Klimas, R.S. Weigel, D.N. Baker, E.J. Rigler, S.G. Kanekal, T. Nagai, S.F. Fung, R.W.H. Friedel, T.E. Cayton, Structure of Earth's outer radiation belt inferred from long-term electron flux dynamics, Geophysical Research Letters, 2003 [36].
  • Vassiliadis, D., A.J. Klimas, S.G. Kanekal, D.N. Baker, and R.S. Weigel, Long-Term Solar-Cycle, and Seasonal Response of Magnetospheric Energetic Electrons to the Solar Wind Speed, Journal of Geophysical Research, [37].
  • Doxas, I.; Horton, W.; Weigel, R., Using particle simulations for parameter tuning of dynamical models of the magnetotail, Journal of Atmospheric and Solar-Terrestrial Physics, 2002. [38]
  • Weigel, R.S., D. Vassiliadis, and A.J. Klimas, Coupling of the Solar Wind to Temporal Fluctuations in Ground Magnetic Fields, Geophysical Research Letters, [39].
  • Horton, W., Crabtree, C., Doxas, I., and Weigel, R. S., Geomagnetic transport in the solar wind driven nightside magnetosphere-ionosphere system, Physics of Plasmas, 2002. [40].
  • Horton, W., R.S. Weigel, and J.C. Sprott, Chaos and the limits of predictability of the solar-wind driven magnetosphere-ionosphere system, Physics of Plasmas, 2001 [41].
  • Weigel, R.S., W. Horton, T. Tajima, and T. Detman, Forecasting auroral electrojet activity from solar wind input with neural networks, Geophysical Research Letters, 1999. [42].
  • Horton, W., J.P. Smith, R. Weigel, C. Crabtree, I. Doxas, B. Goode,and J. Cary, The solar-wind driven magnetosphere-ionosphere as a complex dynamical system, Physics of Plasmas, 1999 [43].
  • Horton, W., H. Vernon Wong, and R. Weigel, Interchange Trigger for Substorms in a Nonlinear Dynamics Model, Physics of Space Plasmas, 1998 [44].
  • Weigel, R. and E. Atlee Jackson, Experimental implementation of migrations in multiple-attractor systems, International Journal of Bifurcations and Chaos, 1998 [45].
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