GEM FG9 2011

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GEM Space Radiation Climatology (FG9) Workshop 2011

This year the GEM Space Radiation Climatology Focus Group will be meeting for its final 2 sessions. GEM Workshop information can be found at GEM Summer Workshop, 2011.

What is GEM Space Radiation Climatology? See GEM Space Radiation Climatology (aka Focus Group 9 or FG9)


  1. Session Description
    1. Wednesday, June 29th
      1. Session 1 10-Noon
      2. Session 2 1:30-3:30
    2. Related Posters
    3. List your favorite climatology papers since 2007
    4. List your favorite climatology papers of all time
    5. Contact Info
  2. Uploading Files

1. Session Description

Chairs: Paul O'Brien, Geoff Reeves

1.1. Wednesday, June 29th

1.1.1. Session 1 10-Noon

  • Summary of progress over the life of FG9, Friedel (cancelled due to fire)
  • Different Behaviors of MeV Electrons at Geosynchronous Orbit During Different Phases of the Solar Cycle, X. Li pdf
  • Locations of Boundaries of Outer and Inner Radiation Belts as Observed by Cluster and Double Star (Ganushkina) ppt
  • A 1980-1991 mass density data base for geostationary orbit is being made public (Denton) ppt
  • Review of UCLA/VERB progress (Shprits) ppt
  • Revisiting Paulikas and Blake, Reeves pdf. Related paper, pdf

1.1.2. Session 2 1:30-3:30

  • AE9/AP9 Update, Byers ppt
  • Operator-Splitting Kalman FIlter for Data Assimilation in Radiation Belts, by Kondrashov, Shprits, and Ghil
  • Library validation, DREAM-RC, and more, Morley
  • IRBEM vs LANLGEOMAG validations, DREAM-RC, spacepy (Morley)
  • IRBEM "Extras" (O'Brien)
  • Radiation Belt Science Blog (Reeves)

1.2. Related Posters

1.3. List your favorite climatology papers since 2007

  • Reeves, G. D., S. K. Morley, R. H. W. Friedel, M. G. Henderson, T. E. Cayton, G. Cunningham, J. B. Blake, R. A. Christensen, and D. Thomsen (2011), On the relationship between relativistic electron flux and solar wind velocity: Paulikas and Blake revisited, J. Geophys. Res., 116, A02213, doi:10.1029/2010JA015735. pdf
  • Ni, B., Y. Shprits, M. Hartinger, V. Angelopoulos, X. Gu, and D. Larson (2011), Analysis of radiation belt energetic electron phase space density using THEMIS SST measurements: Cross-satellite calibration and a case study , J. Geophys. Res. , 116 , A03208, doi:10.1029/2010JA016104.
  • Kondrashov, D., Y. Shprits, and M. Ghil (2010), Gap filling of solar wind data by singular spectrum analysis, Geophys. Res. Lett., 37, L15101, doi:10.1029/2010GL044138.
  • Morley, S. K., R. H. W. Friedel, E. L. Spanswick, G. D. Reeves, J. T. Steinberg, J. Koller, T. Cayton, and E. Noveroske (2010), Dropouts of the outer electron radiation belt in response to solar wind stream interfaces: global positioning system observations, Proc. R. Soc. A, 466:3329-3350, doi:10.1098/rspa.2010.0078.
  • Ni, B. , Y. Shprits, R. Thorne, R. Friedel, and T. Nagai (2009), Reanalysis of relativistic radiation belt electron phase space density using multisatellite observations: Sensitivity to empirical magnetic field models, J. Geophys. Res., 114, A12208, doi:10.1029/2009JA014438.
  • Ni, B. , Y. Shprits, T. Nagai, R. Thorne, Y. Chen, D. Kondrashov, and H.-J. Kim (2009), Reanalyses of the radiation belt electron phase space density using nearly equatorial CRRES and polar-orbiting Akebono satellite observations, J. Geophys. Res., 114, A05208, doi:10.1029/2008JA013933
  • Shprits, Y. , D. Kondrashov, Y. Chen, R. Thorne, M. Ghil, R. Friedel, and G. Reeves (2007), Reanalysis of relativistic radiation belt electron fluxes using CRRES satellite data, a radial diffusion model, and a Kalman filter, J. Geophys. Res., 112, A12216, doi:10.1029/2007JA012579.
  • Kondrashov, D. , Y. Shprits, M. Ghil, and R. Thorne (2007), A Kalman filter technique to estimate relativistic electron lifetimes in the outer radiation belt, J. Geophys. Res., 112, A10227, doi:10.1029/2007JA012583.
  • Koller, J., Y. Chen, G. D. Reeves, R. H. W. Friedel, T. E. Cayton, and J. A. Vrugt (2007), Identifying the radiation belt source region by data assimilation, J. Geophys. Res., 112, A06244, doi:10.1029/2006JA012196.

1.4. List your favorite climatology papers of all time

  • Paulikas, G. A., and J. B. Blake (1979), Effects of the solar wind on magnetospheric dynamics: Energetic electrons at the synchronous orbit, in Quantitative Modeling of Magnetospheric Processes, Geophys. Monogr. Ser., vol. 21, pp. 180–202, AGU, Washington, D. C.

1.5. Contact Info

For questions regarding GEM Space Radiation Climatology, please contact Paul O'Brien, or Geoff Reeves,

2. Uploading Files

To upload a file, log in*, and then click "Upload file" at left. After your file is uploaded, return to this page and edit the agenda. You can insert a link like this: [[:Image:xMy_File_Name.ppt|Description of My File]]. You can then save the edits (after answering a simple math challenge).

*If you do not want to create an account, use username=GEM2008 and password=2008GEM).

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