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| − | [[Image:SilvertreeSView.jpg]] | + | [[Image:CEDAR-GEM2011_banner.jpg]] |
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| − | GEM will be holding its annual summer workshop at the Snowmass Conference Center in Snowmass, Colorado during June 20-25, 2010. A special student program will be held on Sunday, June 20. | + | This year GEM will be holding its annual summer workshop jointly with [http://cedarweb.hao.ucar.edu/wiki/index.php/Main_Page CEDAR] at the Santa Fe Convention Center in Sante Fe, New Mexico on June 26 - July 1, 2011. |
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| | Logistical information and workshop agenda can be found at the [http://www.cpe.vt.edu/gem/index.html GEM Workshop Web Site]. | | Logistical information and workshop agenda can be found at the [http://www.cpe.vt.edu/gem/index.html GEM Workshop Web Site]. |
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| − | Listed below are the call for presentations by various GEM focus groups before the Workshop. (Note: In the e-mail addresses below the symbol @ is replaced by " [at] ".) | + | Listed below are the ''Calls for Presentations'' announced by GEM Focus Groups or by special joint CEDAR-GEM sessions. (Note: In the e-mail addresses below the symbol @ is replaced by " [at] ".) More sessions can be found in the [http://www.cpe.vt.edu/gem/GEM-CEDAR-Agenda.pdf tentative agenda] provided by the [http://www.cpe.vt.edu/gem/index.html GEM Workshop Website]. |
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| − | == GGCM Metrics and Validation ==
| |
| | | | |
| − | ''Conveners: Aaron Ridley <ridley [at] umich.edu> and Masha Kuznetsova <Maria.M.Kuznetsova [at] nasa.gov>''
| + | == Response of the Magnetosphere to High-Speed Streams (Sunday-before-the-Workshop Special Session) == |
| | | | |
| − | A new Dst index metrics study is added to the GEM Modeling Challenge
| + | ''Convener: Mike Liemohn <liemohn [at] umich.edu>'' |
| − | organized by the GGCM Metrics and Validation Focus Group. Community
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| − | Coordinating Modeling Center (CCMC) is supporting the Challenge.
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| − | To participate in the Challenge please submit your model results using
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| − | the web interface prior to June 1st, 2010.
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| | | | |
| − | The results of the Challenge will be discussed at the GGCM Metrics and
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| − | Validation Session at the GEM 2010 Summer Workshop. Joint publication
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| − | by all participants is planned. For more details, go to the Challenge
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| − | Web site: http://ccmc.gsfc.nasa.gov/support/GEM_metrics_08/
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| | | | |
| − | Please send questions, comments and suggestions to: Masha Kuznetsova
| + | On the Sunday before the joint GEM-CEDAR Workshop, there will be a day of sessions at the Eldorado Hotel¹s Sunset Ballroom. There is no extra registration fee, but we ask that you note your intention to attend either via the GEM registration page or with an email to Mike Liemohn. |
| − | (Maria.M.Kuznetsova[at]nasa.gov) and Aaron Ridley (ridley[at]umich.edu).
| |
| | | | |
| − | == GGCM Modules and Methods ==
| + | This day of talks and discussion is centered on the phenomena of high-speed stream (HSS) passages past Earth's magnetosphere. These times represent a unique opportunity because the streams often repeat their geomagnetic activity cycle for several solar rotations, providing a natural laboratory for geospace researchers to understand the physical processes of solar wind-magnetosphere energy coupling. In addition, the geomagnetic activity resulting from these solar structures exhibits systematic responses within geospace. This special day is devoted to exploring the causes and consequences of the systematic geomagnetic response during high-speed streams. Of special interest is the comparison of what happens during HSS times with what occurs during other quiet and active times driven by other solar wind structures. |
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| − | ''Conveners: Brian Sullivan (bsullivan [at]artemis.sr.unh.edu); John Dorelli (john.dorelli [at] nasa.gov)and Michael Shay (shay [at] udel.edu) ''
| + | This day is sponsored by the NASA Living With a Star Program, through one of their Focused Science Topic (FST) Teams. Now in the FST's final year, this event represents the culmination of the group's activities toward understanding near-Earth particle energization in the near-Earth space environment, focusing on the nightside plasma sheet, ring current, and radiation belts. The FST team chose high-speed streams as a central theme for our group-wide effort, narrowing this down to a few selected events for intense analysis. |
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| − | The GGCM Methods and Modules Focus Group will hold 2 sessions at the
| + | This 1-day special event will include presentations from investigators in the FST team as well as many from researchers beyond the group. Everyone is welcome to come for the day, hear the talks, and participate in the ongoing discussions (within each session and at the end of the day's agenda). |
| − | upcoming GEM Summer Workshop in Snowmass (June 20-25, 2010). The
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| − | sessions will be at 10:30 and 1:30 on Wednesday.
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| − | The overarching goal of this focus group is to understand the physics
| + | We ask that those planning to attend this special Sunday session to please click the button for this on the GEM registration page. This will allow for an accurate count for ordering break-time refreshments. |
| − | of collisionless magnetic reconnection on magnetospheric length scales
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| − | (100-1000 ion inertial lengths). We invite potential contributors to
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| − | participate with short presentations on the following topics:
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| | | | |
| − | 1. Scaling of reconnection with local and kinetic scale parameters in
| + | We look forward to seeing you there! |
| − | MHD, multifluid, and kinetic models.
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| | | | |
| − | 2. Plasmoid instabilities in high Lundquist number current sheets | + | 9:00 - 10:30: Session 1 on HSS global magnetospheric processes |
| | + | 10:30 - 11:00: Break |
| | + | 11:00 - 12:30: Session 2 on HSS near tail/inner mag processes (non RB) |
| | + | 12:30 - 2:00: Lunch (on your own) |
| | + | 2:00 - 3:30: Session 3 on radiation belts during HSS |
| | + | 3:30 - 4:00: Break |
| | + | 4:00 - 5:00: Session 3 part II |
| | + | 5:00 - 6:00: Open discussion, summary, and future plans |
| | | | |
| − | 3. Dependence (or independence) of the dayside reconnection rate on
| + | Session 1: addresses solar wind-magnetosphere coupling during high-speed streams, in particular examining the energy transfer efficiency and mass and energy flow processes. |
| − | solar wind parameters. | |
| | | | |
| − | or any other topics of interest to the focus group. This is the final
| + | Session 2: focuses on the flow of mass and energy through the magnetosphere during high-speed streams, in particular focusing on the nightside plasma sheet and near-Earth non-relativistic plasma populations. |
| − | year of the GGCM Methods and Modules Focus Group. Looking forward, as
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| − | this focus group comes to an end, a major goal for this year's
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| − | sessions will be to agree on a way to present the most significant
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| − | results of geophysical magnetic reconnection research to the greater
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| − | GEM community and to identify a few outstanding questions to address
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| − | as we plan for future focus groups centered on the multi-scale physics
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| − | of reconnection in the magnetosphere. A more detailed description of
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| − | the objectives of this focus group can be found at
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| | | | |
| − | http://gem.epss.ucla.edu/mediawikiwiki/index.php/FG2._GGCM_Modules_and_Meth
| + | Session 3: examines radiation belt processes during high-speed streams, addressing both the acceleration mechanisms and the loss processes for these high-energy particles in near-Earth space. |
| − | ods
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| − | Potential Contributors are encouraged to contact Brian Sullivan
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| − | (brian.sullivan [at] unh.edu) with the title of their presentation.
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| | | | |
| − | == Plasma Entry and Transport into and within the Magnetotail (PET) == | + | == Radiation Belts and Wave (RBW) Modeling == |
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| − | ''Conveners: Antonius Otto <ao [at] how.gi.alaska.edu>,Jay R. Johnson <jrj [at] pppl.gov>, and Simon Wing <Simon.Wing [at] jhuapl.edu>'' | + | ''Conveners: Y Shprits <yshprits AT atmos.ucla.edu>, J Bortnik <jbortnik AT gmail.com>, S Elkington <lkingto AT lasp.colorado.edu>, and C Kletzing <cak AT delta.physics.uiowa.edu>'' |
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| − | We would like to invite contributions to the PET focus group at the
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| − | upcoming GEM workshop in Snowmass on June 21-25, 2010. The sessions
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| − | will be held in a workshop (NOT AGU) style in which each speaker will
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| − | be allotted time for a 2-3 slides, in order to ensure enough time for
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| − | discussion. In order to encourage this, at least one of the slides
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| − | should deal with unresolved issues. Speakers are encouraged to end
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| − | the presentation with outstanding questions rather than a summary of
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| − | what has/have been accomplished. It is expected that there will be
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| − | three sessions:
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| − | (1) ion outflow effects on the plasma sheet;
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| − | (2) Constraints on plasma sheet entry and transport; and
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| − | (3) GEM challenge, northward and southward IMF.
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| | | | |
| − | All three sessions have been tentatively scheduled on Monday Jun 21
| + | 1) GEM Radiation Belt and Waves challenge |
| − | (See http://www.cpe.vt.edu/gem/index.html for the definitive schedule).
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| − | If you have not already done so, please send the title(s) and
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| − | session(s) of your contribution(s) to us at your earliest convenience
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| − | at the email addresses given above.
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| | | | |
| − | == Physical Processes in the Cusps: Plasma Transport and Energization ==
| + | The GEM Radiation Belt and Waves focus group would like to invite |
| | + | modelers and data assimilators to participate in its first GEM |
| | + | challenge, in which the pool of participants will be simulating a |
| | + | specified set of events, using a common data set as input. |
| | | | |
| − | ''Conveners: K.J. Trattner(trattner [at] mail.spasci.com), N. Omidi (omidi [at] solanasci.com) and D. Sibeck (david.g.sibeck [at] nasa.gov)''
| + | An outline of the challenge, the rules and the relevant data are hosted on the Virtual Radiation Belt Observatory website and can be accessed at: http://virbo.org/RBW#Challenge_Data |
| | | | |
| − | Presentations are solicited for the CUSP Focus Group to be held during
| + | The comparison of models and observations will take place at the 2011 |
| − | the 2010 Summer GEM workshop in Snowmass Colorado. This is the last
| + | GEM summer meeting. For the explanation of rules please contact |
| − | year of the Cusp Focus Group who's main objective is to utilize
| + | "Jacob Bortnik" <jbortnik AT gmail.com>, "Scot Elkington" |
| − | observations, modeling, and theory of the cusp and its role in
| + | <elkingto AT lasp.colorado.edu>, "Paul O'Brien" <Paul.OBrien AT aero.org>, "Kletzing, Craig" <cak AT delta.physics.uiowa.edu>. |
| − | particle acceleration and plasma transport. Based on the topics in
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| − | earlier years and the discussions during the mini-workshop held during
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| − | the 2009 Fall AGU, the Focus Group addresses the following topics:
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| | | | |
| − | 1. Plasma transport into the cusp.
| + | 2) RBW schedule |
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| − | 2. Energization of ions in diamagnetic cavities.
| + | This year we will have 5 GEM sessions and 1 joint GEM cedar |
| | + | session. We encourage participants to submit the titles of their |
| | + | presentations to http://www.atmos.ucla.edu/~yshprits/rbw2011.html by |
| | + | June 12th. Contributed presentations will be approximately 5 min and |
| | + | include no more than 3 slides. Invited presentations will be limited |
| | + | to 10 min and 7 slides. Presentations submitted after June 12 and |
| | + | walk-in presentations will be limited to 1 slide. We particularly |
| | + | encourage participants to submit their presentations to the Joint |
| | + | with CEDAR session: Remote Sensing the Inner Magnetosphere. |
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| − | 3. Origin of waves observed in the cusp and their role in particle | + | 3) RBSPb event list |
| − | scattering and acceleration.
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| | | | |
| − | 4. Interaction of FTE's with the cusp.
| + | The RBSPb event list, page is now operational on ViRBO |
| | + | http://virbo.org/RBSPb . The web site design contains a list of storms, relevant papers, data, and figures. We encourage participations of the RBW working group to email publication titles and data relevant to these events to virbo+RBSPb AT virbo.org. |
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| − | 5. The source region of energetic ions and electrons observed in the
| + | For comments/ questions please contact "Drew Turner" |
| − | cusp.
| + | <drew.lawson.turner AT gmail.com>, "Michael Hartinger" |
| | + | <mhartinger AT igpp.ucla.edu>, "Weichao Tu" <Weichao.Tu AT colorado.edu>, "Yuri Shprits" <yshprits AT atmos.ucla.edu>, "Bob Weigel" <rweigel AT gmu.edu> |
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| − | 6. Ionospheric signatures of such processes such as Poleward Moving
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| − | Auroral Forms
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| | | | |
| − | It is the ultimate goal of the workshop to enhance our understanding
| + | == Pre-Focus Group Planning Session on Magnetic Reconnection == |
| − | of the cusp physics, its coupling to other parts of the system such as
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| − | the bow shock, magnetopause and the ionosphere and the important role
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| − | it plays in dayside transport and energization. Observational and
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| − | theoretical contributions to this session are hereby solicited.
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| | | | |
| − | Those interested in these topics are invited to attend and contribute
| + | ''Conveners: Paul Cassak <Paul.Cassak [at] mail.wvu.edu>, John Dorelli, and Brian Sullivan'' |
| − | through showing a few slides and/or participation in the discussions.
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| − | Information regarding hotel reservations and travel arrangements will
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| − | be posted on the GEM website (http://www.cpe.vt.edu/gem) in the near
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| − | future.
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| | | | |
| − | Those wishing to give a presentation or with questions
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| − | regarding the workshop should contact the conveners:
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| − | ''trattner [at] mail.spasci.com, omidi [at] solanasci.com or
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| − | david.g.sibeck [at] nasa.gov.''
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| | | | |
| − | == Near Earth Magnetosphere: Plasma, Fields and Coupling ==
| + | We would like to announce a pre-focus group planning meeting for a GEM session on magnetic reconnection to be held at the upcoming GEM meeting in Santa Fe. We encourage any and all community members interested in helping to formulate the scope and direction for an upcoming proposal for a focus group to attend. Ideal directions for a focus group incorporate a close interaction between observers, theorists, and/or global modelers. Suggestions for leadership and science focus are encouraged. The session is planned for Tuesday, June 28th, from 1:30-3:30pm. Please email us at Paul.Cassak at mail.wvu.edu with any questions or comments. People not planning on attending that have ideas are encouraged to email their comments in advance. |
| − | | |
| − | ''Conveners: Focus Group co-chairs: Sorin Zaharia <szaharia [at] lanl.gov>,''
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| − | ''Stan Sazykin <sazykin [at] rice.edu> and Benoit Lavraud <Benoit.Lavraud [at] cesr.fr>''
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| − | | |
| − | The Near Earth Magnetosphere: Plasma, Fields and Coupling Focus Group
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| − | will hold 3 sessions at the upcoming GEM Summer Workshop in Snowmass
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| − | (June 20-25, 2010).
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| − | | |
| − | We invite potential contributors to participate with short | |
| − | presentations on the following topics:
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| − | | |
| − | 1). Effect of plasma on storm-time electric and magnetic fields
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| − | | |
| − | 2). Plasma sheet effect on ring current dynamics
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| − | | |
| − | 3). Electric fields in the near-Earth magnetosphere (potential and inductive)
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| − | | |
| − | 4). Coupling of physics-based inner magnetosphere with global magnetosphere models
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| − | | |
| − | or any other topics of interest to the focus group. It is the ultimate
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| − | goal of the focus group to improve physical knowledge and modeling of
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| − | the near-Earth (closer than 10 RE) magnetosphere and its coupling with
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| − | the outer magnetosphere; a more detailed description of the focus
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| − | group objectives can be found at
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| − | | |
| − | http://gem.epss.ucla.edu/mediawikiwiki/index.php/FG8._Near_Earth_Magnetosphere:_plasma%2C_fields%2C_and_coupling
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| − | | |
| − | Potential contributors are encouraged to contact Sorin Zaharia
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| − | (szaharia at lanl.gov) with the title of their presentation.
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| − | | |
| − | == Space Radiation Climatology ==
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| − | | |
| − | ''Conveners: Paul O'Brien (paul.obrien [at] aero.org);Geoff Reeves (reeves [at] lanl.gov), Bob Weigel (rweigel-at-gmu.edu), and Reiner Friedel (friedel-at-lanl.gov)''
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| − | | |
| − | | |
| − | It's almost time for the GEM Summer Workshop, joint with CEDAR. The
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| − | Space Radiation Climatology Focus Group (FG9) will meet for three
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| − | breakout sessions: two on Thursday June 24th: 1:30-3:30 and 3:30-5,
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| − | and one on Friday, the 25th, 10:30-12:15. We will be discussing the
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| − | past year's results in reanalysis, data assimilation, climatology
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| − | models, and long-term data/analysis. One of our sessions (the first
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| − | one) will be joint with the new radiation belt focus group.
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| − | | |
| − | We already have a number of exciting talks lined up, but there's
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| − | plenty of room for more. We encourage interested parties to send talk
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| − | ideas to Paul O'Brien, Bob Weigel, and/or Reiner Friedel (Geoff will
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| − | not be able to attend this year). If you are presenting an FG9-related
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| − | poster, please sign up for the **Thursday** Poster Session and
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| − | advertise on the Wiki. http://www.virbo.org/GEM_FG9_2010
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| − | | |
| − | To view the FG9 email archive or to join the email group, go to
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| − | http://groups.google.com/group/gem-2007-space-radiation-climatology-fg9
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| − | | |
| − | == Diffuse Auroral Precipitation ==
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| − | | |
| − | ''Conveners: Richard Thorne <rmt [at] atmos.ucla.edu>''
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| − | | |
| − | The Diffuse Aurora Focus Group plans to hold 4 breakout sessions at
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| − | the 2010 GEM meeting in Snowmass this summer. Potential contributors | |
| − | are invited to contact the session chairs listed below with a title of
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| − | their talk, and prepare a brief presentation for the workshop.
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| − | | |
| − | '''1. Relationship between auroral phenomenology and scattering mechanisms'''
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| − | [Co-chairs, Binbin Ni (bbni[at}atmos.ucla.edu)
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| − | and Robert Michell (rmichell[at]swri.edu)]
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| − | | |
| − | *Monday June 21: 10:30-12:15:
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| − | | |
| − | '''2. Modulation of DA brightness by large-scale magnetospheric processes.'''
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| − | [Co-chairs, Marilia Samara
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| − | (marilia.samara[at]swri.org) and Jacob Bortnik (jbortnik[at]gmail.com )]
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| − | | |
| − | *Monday June 21: 1:3-3:00:
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| − | | |
| − | '''3. Spatial and temporal extent and spatio-temporal occurrence of DA/scattering mechanisms'''
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| − | [Co-chairs, Toshi Nishimura
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| − | (toshi[at]atmos.ucla.edu) and Richard Thorne (rmt[at]atmos.ucla.edu)]
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| − | | |
| − | *Monday June 21: 3:30-5:00:
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| − | | |
| − | '''4. Importance of the DA for Geospace at the system level. Plans for next year.'''
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| − | [Chair, Richard Thorne (rmt[at]atmos.ucla.edu)]
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| − | | |
| − | *Tuesday June 22: 10:30-12:15:
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| − | | |
| − | == Plasmasphere-Magnetosphere Interactions (PMI) ==
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| − | | |
| − | ''Conveners: From: Jerry Goldstein <jgoldstein [at] swri.edu> and Maria Spasojevic <mariaspasojevic [at] stanford.edu>''
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| − | | |
| − | The Plasmasphere-Magnetosphere Interactions (PMI) focus group will
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| − | hold several sessions at the 2010 GEM Workshop, during 20-25 June 2010.
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| − | | |
| − | We invite short presentations (several slides) related to any of the | |
| − | PMI's broad topics:
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| − | | |
| − | + Wave-Particle Interactions
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| − | | |
| − | + Plume Dynamics & Recirculation
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| − | | |
| − | + Plasma Density Structure & Evolution.
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| − | | |
| − | Specific topics of interest:
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| − | * Dynamics of energetic particles
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| − | * Wave theory and observations
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| − | * Simulations or models of acceleration or loss
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| − | * Morphology and dynamics of cold plasma density
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| − | * Global circulation of plasmaspheric plumes
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| − | * Dayside distribution of cold plasma ions
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| − | * Fine scale plasma structure and flow turbulence.
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| − | * Plume plasma and magnetospheric reconnection.
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| − | | |
| − | or any other topic you feel would be of interest to the PMI focus
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| − | group.
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| − | | |
| − | If you would like to present, please e-mail your tentative title/topic
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| − | to:
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| − | | |
| − | JGoldstein [at] swri.edu.
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| − | | |
| − | == Substorm Expansion Onset: The First 10 Minutes ==
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| − | | |
| − | ''Conveners: Vassilis Angelopoulos (Vassilis[at] ucla.edu); Kazuo Shiokawa (Shiokawa [at] stelab.nagoya-u.ac.jp) ; Andrei Runov (arunov [at] igpp.ucla.edu) and Shin Ohtani (Ohtani [at] jhuapl.edu)''
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| − | | |
| − | Our focus group, "Substorm Expansion Onset: The First 10 Minutes",
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| − | will have 4 sessions at the upcoming GEM Workshop in Snowmass (June
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| − | 20-25, 2010). They are scheduled on June 24 (Thu) and 25 (Fri).
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| − | | |
| − | We have four topical areas identified, which are:
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| − | | |
| − | 1. Onset timing: observations/theory/simulations (Angelopoulos)
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| − | | |
| − | 2. How do onset signatures propagate to near Earth and to the ground?
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| − | (Runov)
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| − | | |
| − | 3. Ground-space mapping of physical processes before/during/after
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| − | onset (Ohtani)
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| − | | |
| − | 4. Substorm processes near transition between stretched and dipole
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| − | field lines (Shiokawa)
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| − | | |
| − | We would like to invite you to participate, and if you have any
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| − | request or question, please contact the person of the topical area of
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| − | your interest, whose name is in the parentheses for each topic.
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| − | | |
| − | The description of our focus group is posted at:
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| − | http://gem.epss.ucla.edu/mediawikiwiki/index.php/FG12._Substorm_Expansion_Onset:_The_First_10_Minutes
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| − | | |
| − | == Modes of Solar Wind-Magnetosphere Energy Transfer ==
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| − | | |
| − | ''Convener: Larry Kepko (larry.kepko [at] unh.edu) and Bob McPherron (rmcpherron [at] igpp.ucla.edu)''
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| − | | |
| − | | |
| − | The Modes of Magnetospheric Response focus group will hold three
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| − | sessions at the upcoming GEM Workshop (June 20-25) in Snowmass, CO,
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| − | covering the following topics:
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| − | | |
| − | 1. Dayside observations during sawtooth events, the role of polar cap
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| − | saturation, and implications for the magnetospheric response.
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| − | Specifically, are particle injections on the dayside dispersionless or
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| − | dispersive? Can sawtooth observations be understood as substorms that
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| − | penetrate deep into the inner magnetosphere, or do sawtooth represent
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| − | a fundamentally different state of the magnetosphere? We particularly | |
| − | encourage participants to bring data that addresses the issue of
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| − | dayside injection and/or dipolarization.
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| − | | |
| − | 2. Non-linear coupling and the role of pre-conditioning in determining
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| − | the response mode. Example topics and questions include: Systematic
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| − | errors in activity indices; Seasonal effects on coupling functions;
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| − | mass-loading effects on convection; The storm/substorm/SMC
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| − | relationship.
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| − | | |
| − | 3. Magnetospheric response and solar wind energy transfer during the
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| − | extreme solar minimum.
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| − | | |
| − | This focus group has as its aim the improvement of knowledge of the
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| − | physical mechanisms that provide different dynamical modes of response
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| − | of the magnetotail to the solar wind. These include substorms, steady
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| − | magnetospheric convection, sawtooth injection events, pseudo breakups,
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| − | and poleward boundary intensifications. A complete description of the
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| − | FG and its goals can be found at http://bit.ly/beGmTF
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| − | | |
| − | '''Schedule Change'''
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| − | | |
| − | To minimize overlap with the "First 10 Minutes" focus group the "Modes of Magnetospheric Response" has been moved to the following dates and times:
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| − | | |
| − | Wednesday 6/23, 10:30 am - 12:15 pm, and 3:30-5:00 pm
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| − | Thursday 6/24, 10:30 am - 12:15 pm
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| − | | |
| − | Please contact us if you are interested in presenting in one of the sessions [''Larry Kepko (larry.kepko [at] unh.edu) and Bob McPherron (rmcpherron [at] igpp.ucla.edu)'']:
| |
| − | | |
| − | 1. Dayside observations during sawtooth events, the role of polar cap saturation, and implications for the magnetospheric response. Specifically, are particle injections on the dayside dispersionless or dispersive? Can sawtooth observations be understood as substorms that penetrate deep into the inner magnetosphere, or do sawtooth represent a fundamentally different state of the magnetosphere? We particularly encourage participants to bring data that addresses the issue of dayside injection and/or dipolarization.
| |
| − | | |
| − | 2. Non-linear coupling and the role of pre-conditioning in determining the response mode. Example topics and questions include: Systematic errors in activity indices; Seasonal effects on coupling functions; mass-loading effects on convection; The storm/substorm/SMC relationship.
| |
| − | | |
| − | 3. Magnetospheric response, state of the magnetosphere, and solar wind energy transfer during the extreme solar minimum.
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| − | | |
| − | == Magnetosheath Studies ==
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| − | | |
| − | ''Convener: Steven Petrinec (steve.petrinec [at] gmail.com) and Katariina Nykyri (nykyrik [at] erau.edu)''
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| − | | |
| − | Magnetosheath focus group will hold sessions at the next GEM workshop
| |
| − | on 21-25th of June, 2010 in Snowmass Village Colorado. We invite short
| |
| − | presentations related to any of the focus group topics.
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| − | | |
| − | The Primary Objectives and Expected Activities of the FG:
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| − | | |
| − | 1. To produce more comprehensive models of large scale magnetosheath
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| − | flow and field patterns, and geometry of the magnetosheath region
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| − | | |
| − | 2. To improve understanding of magnetosheath plasma instabilities and
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| − | wave particle interactions: Spatial distribution and characteristics
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| − | | |
| − | 3. To develop a better understanding of the effects on magnetospheric
| |
| − | dynamics due to processes occurring in the magnetosheath and due to
| |
| − | characteristic magnetosheath properties.
| |
| − | | |
| − | The focus group proposal with specific science questions can be found
| |
| − | at
| |
| − | http://gem.epss.ucla.edu/mediawiki/pdf/GEM_FG_MSheath_proposal.pdf.
| |
| − | | |
| − | We especially encourage data-analysts utilizing in-situ spacecraft
| |
| − | measurements from Themis and Cluster missions, theoretical modelers,
| |
| − | global and local modelers to participate in this workshop and present | |
| − | your findings. We also encourage presentations of studies of
| |
| − | magnetosheaths around other solar system bodies, as they relate to the
| |
| − | terrestrial magnetosheath.
| |
| − | | |
| − | See GEM website for further details: http://www.cpe.vt.edu/gem/
| |
| − | | |
| − | == Radiation-Belt and Waves Modeling (RBWM) ==
| |
| − | | |
| − | ''Conveners: Yuri Shprits, UCLA (yshprits [at] atmos.ucla.edu); Scot Elkington, LASP (Scot.Elkington [at] lasp.colorado.edu); Jacob Bortnik, UCLA (jbortnik [at] atmos.ucla.edu);Craig Kletzing, U. Iowa (craig-kletzing [at] uiowa.edu)''
| |
| − | | |
| − | The Radiation-Belt and Waves Modeling (RBWM) focus group will
| |
| − | hold several sessions at the 2010 GEM Workshop, during 20-25 June 2010.
| |
| − | | |
| − | We invite short presentations (several slides) related to any of
| |
| − | RBWM's broad topics:
| |
| − | | |
| − | - Wave excitation, propagation and distribution (ULF, VLF, etc.)
| |
| − | | |
| − | - Dynamical modeling of the radiation belts (acceleration, loss, etc.)
| |
| − | | |
| − | - Wave-particle interactions (linear, nonlinear, non-resonant)
| |
| − | | |
| − | The RBWM focus group kicks off this year, and aims to achieve a first-
| |
| − | principles understanding of the coupled dynamic variability of the
| |
| − | radiation-belts, and the wave environment that controls it. A few
| |
| − | sample questions that are of particular interest to this focus group
| |
| − | are:
| |
| − | | |
| − | - what are the physical processes responsible for wave excitation?
| |
| − | | |
| − | - what are the spatiotemporal distributions of various plasma waves
| |
| − | and what are their relative roles in producing acceleration/loss?
| |
| − | | |
| − | - what are the roles of linear, nonlinear, and non-diffusive wave-
| |
| − | particle interactions in RB dynamics?
| |
| − | | |
| − | - what are the quantitative effects of transport via interactions with
| |
| − | ULF waves?
| |
| − | | |
| − | - what is the role of the seed population in radiation belt dynamics?
| |
| − | | |
| − | - why do some storms produce flux increases, decreases, or no
| |
| − | variation?
| |
| − | | |
| − | If you would like to learn more about this focus group, or submit a
| |
| − | presentation, please use the following resources:
| |
| − | | |
| − | Wiki page
| |
| − | http://gem.epss.ucla.edu/mediawikiwiki/index.php/FG:_Radiation_Belts_and_Wave_Modeling
| |
| − | | |
| − | We look forward to your participation
| |
| − | | |
| − | '''Radiation Belts and Wave Modeling (RBWM) session description:'''
| |
| − | | |
| − | We will have 6 sessions this year: You can submit the title of your presentation online by following the link below to reserve a time slot during each individual session. We invite potential contributions and encourage to limit presentations to approximately 5 min.
| |
| − |
| |
| − | http://spreadsheets.google.com/viewform?hl=en&formkey=dEhELVhvSXg5VS1HQmd3dzhCY3BaMGc6MQ
| |
| − |
| |
| − |
| |
| − | ''Tues PM 1: RBWM 1 -- Dynamical modeling of the radiation belts (Model development, verification, validation) (Scot Elkington and Yuri Shprits)''
| |
| − | | |
| − | During this session we will discuss the development of new and improvement of existing models of particle transport, scattering, and acceleration in the radiation belts. We will discuss future plans for model inter-comparison and for comparison of models with observations.
| |
| − | | |
| − |
| |
| − | ''Tues PM 2: RBWM 2 -- Dynamical modeling of the radiation belts (Preparing Radiation Belt models for RBSP data) (Scot Elkington and Yuri Shprits)''
| |
| − |
| |
| − | During this session we will concentrate on comparing model results with observations from RBSP and other missions such as ORBITALS, ERG, and BARREL.
| |
| − | | |
| − |
| |
| − | ''Wed AM 2: RBWM 3 -- Wave-particle interactions (Particle scattering and transport) (Scot Elkington and Yuri Shprits)''
| |
| − |
| |
| − | We will discuss quasi-liner and non-liner pitch-angle, energy, and radial scattering and will discuss other potentially important acceleration and loss mechanisms operating in the radiation belts.
| |
| − | | |
| − | | |
| − | ''Wed PM 1: RBWM 4 -- Wave excitation, propagation, and distribution (ULF) (Jacob Bortnik and Craig Kletzing)''
| |
| − |
| |
| − | We will discuss excitation, propagation and distribution of ULF waves. We would like to invite contributions concerning modeling and observations.
| |
| − | | |
| − |
| |
| − | ''Wed PM 2: RBWM 5 -- Wave excitation, propagation and distribution (VLF) (Jacob Bortnik and Craig Kletzing)''
| |
| − | | |
| − | We will discuss excitation, propagation and distribution of VLF waves. We would like to invite contributions concerning modeling and observations.
| |
| − | | |
| − |
| |
| − | ''Thur AM 2: RBWM 6 -- Planning session (Jacob Bortnik, Scot Elkington, Craig Kletzing, and Yuri Shprits)''
| |
| − | | |
| − | We will discuss future plans of model development, validation, and verification. We will discuss potential future GEM challenges and will outline a plan for future GEM meetings.
| |
| − | | |
| − | == Dayside FACs and Energy Deposition--Dayside FED ==
| |
| − | | |
| − | ''Delores Knipp (delores.knipp [at] gmail.com); Stefan Eriksson (eriksson [a]t lasp.colorado.edu), Geoff Crowley (gcrowley [at] astraspace.net), Ramon Lopez (rlopez [at] uta.edu)''
| |
| − | | |
| − | We would like to invite contributions to the Dayside FAC and Energy
| |
| − | Deposition (FED) focus group at the upcoming GEM workshop in Snowmass
| |
| − | on June 21-25, 2010. This new focus group is organizing to explain
| |
| − | the relation between enhanced dayside Poynting flux and field-aligned
| |
| − | currents, sources of field-aligned currents in the solar wind and
| |
| − | magnetosphere and their impacts in the ionosphere-thermosphere system.
| |
| − | The GF goals and other information are at:
| |
| − | | |
| − | http://gem.epss.ucla.edu/mediawikiwiki/index.php/FG:_Dayside_FACs_and_Energy_Deposition
| |
| − | | |
| − | The FED focus group will hold two sessions at the upcoming GEM
| |
| − | Workshop (June 20-25) in Snowmass, covering data, theory, modeling
| |
| − | aspects of the following topics:
| |
| − | | |
| − | - Dayside Poynting Flux, Joule Heating and Their Relation to Field Aligned Currents
| |
| − | | |
| − | - Particle Energy Deposition on the Dayside
| |
| − | | |
| − | - Dissipation of Magnetospheric Energy in the Dayside Thermosphere
| |
| − | | |
| − | - Thermospheric Density Enhancements and Traveling Atmo/Iono- spheric Disturbances
| |
| − | | |
| − | - Solar Wind Drivers for Extreme Dayside Poynting Flux Events
| |
| − | | |
| − | We will discuss the types of NSF GEM investigations to bring this
| |
| − | forward toward a conclusion by 2012.
| |
| − | | |
| − | The sessions will be held in a workshop (NOT AGU) style in which each
| |
| − | speaker will be allotted time for a 3-4 slides, in order to ensure
| |
| − | enough time for discussion. At least one of the slides should deal
| |
| − | with unresolved issues. Speakers are encouraged to end their
| |
| − | presentation with outstanding questions that could provide a basis for
| |
| − | a session at next year's joint GEM-CEDAR meeting.
| |
| − | | |
| − | Both sessions have been tentatively scheduled on Monday Jun 21
| |
| − | (See http://www.cpe.vt.edu/gem/index.html for the definitive schedule).
| |
| − | If you have not already done so, please send the title(s) and
| |
| − | session(s) of your contribution(s) to us at your earliest convenience
| |
| − | at the email addresses listed below.
| |
| − | | |
| − | Delores Knipp (delores.knipp [at] gmail.com)
| |
| − | | |
| − | Stefan Eriksson (eriksson [a]t lasp.colorado.edu)
| |
| − | | |
| − | Geoff Crowley (gcrowley [at] astraspace.net)
| |
| − | | |
| − | Ray Lopez (rlopez [at] uta.edu)
| |
| − | | |
| − | == [Special breakout session] Comparative Planetary Magnetospheric Physics ==
| |
| − | | |
| − | Conveners: ''Larry Kepko (larry dot kepko at nasa dot gov) and Mike Liemohn (liemohn at umich dot edu)''
| |
| − | | |
| − | We invite all interested GEM attendees to participate in a special "comparative planetary magnetospheric physics" breakout session at the upcoming GEM workshop on Tuesday from 3:30-5:00 pm. The focus will be on how to utilize the knowledge gained from examining similar physical processes in the different systems to further the goals of GEM. These processes include MI coupling, dayside interactions, solar wind energy coupling, etc., and span the entirety of the GEM focus areas. We do not anticipate formal presentations. Rather, this is an open forum for discussion. Please bring your thinking caps!
| |
| − | | |
| − | GEM will also have two related plenary session tutorials, one by Margaret Kivelson, "Learning about Earth's plasma processes from studies of other magnetospheres," on Tuesday morning and a second by Jim Slavin, "Reconnection in planetary magnetic tails," on Thursday morning.
| |
This year GEM will be holding its annual summer workshop jointly with CEDAR at the Santa Fe Convention Center in Sante Fe, New Mexico on June 26 - July 1, 2011.
Logistical information and workshop agenda can be found at the GEM Workshop Web Site.
Listed below are the Calls for Presentations announced by GEM Focus Groups or by special joint CEDAR-GEM sessions. (Note: In the e-mail addresses below the symbol @ is replaced by " [at] ".) More sessions can be found in the tentative agenda provided by the GEM Workshop Website.
Response of the Magnetosphere to High-Speed Streams (Sunday-before-the-Workshop Special Session)
Convener: Mike Liemohn <liemohn [at] umich.edu>
On the Sunday before the joint GEM-CEDAR Workshop, there will be a day of sessions at the Eldorado Hotel¹s Sunset Ballroom. There is no extra registration fee, but we ask that you note your intention to attend either via the GEM registration page or with an email to Mike Liemohn.
This day of talks and discussion is centered on the phenomena of high-speed stream (HSS) passages past Earth's magnetosphere. These times represent a unique opportunity because the streams often repeat their geomagnetic activity cycle for several solar rotations, providing a natural laboratory for geospace researchers to understand the physical processes of solar wind-magnetosphere energy coupling. In addition, the geomagnetic activity resulting from these solar structures exhibits systematic responses within geospace. This special day is devoted to exploring the causes and consequences of the systematic geomagnetic response during high-speed streams. Of special interest is the comparison of what happens during HSS times with what occurs during other quiet and active times driven by other solar wind structures.
This day is sponsored by the NASA Living With a Star Program, through one of their Focused Science Topic (FST) Teams. Now in the FST's final year, this event represents the culmination of the group's activities toward understanding near-Earth particle energization in the near-Earth space environment, focusing on the nightside plasma sheet, ring current, and radiation belts. The FST team chose high-speed streams as a central theme for our group-wide effort, narrowing this down to a few selected events for intense analysis.
This 1-day special event will include presentations from investigators in the FST team as well as many from researchers beyond the group. Everyone is welcome to come for the day, hear the talks, and participate in the ongoing discussions (within each session and at the end of the day's agenda).
We ask that those planning to attend this special Sunday session to please click the button for this on the GEM registration page. This will allow for an accurate count for ordering break-time refreshments.
We look forward to seeing you there!
9:00 - 10:30: Session 1 on HSS global magnetospheric processes
10:30 - 11:00: Break
11:00 - 12:30: Session 2 on HSS near tail/inner mag processes (non RB)
12:30 - 2:00: Lunch (on your own)
2:00 - 3:30: Session 3 on radiation belts during HSS
3:30 - 4:00: Break
4:00 - 5:00: Session 3 part II
5:00 - 6:00: Open discussion, summary, and future plans
Session 1: addresses solar wind-magnetosphere coupling during high-speed streams, in particular examining the energy transfer efficiency and mass and energy flow processes.
Session 2: focuses on the flow of mass and energy through the magnetosphere during high-speed streams, in particular focusing on the nightside plasma sheet and near-Earth non-relativistic plasma populations.
Session 3: examines radiation belt processes during high-speed streams, addressing both the acceleration mechanisms and the loss processes for these high-energy particles in near-Earth space.
Radiation Belts and Wave (RBW) Modeling
Conveners: Y Shprits <yshprits AT atmos.ucla.edu>, J Bortnik <jbortnik AT gmail.com>, S Elkington <lkingto AT lasp.colorado.edu>, and C Kletzing <cak AT delta.physics.uiowa.edu>
1) GEM Radiation Belt and Waves challenge
The GEM Radiation Belt and Waves focus group would like to invite
modelers and data assimilators to participate in its first GEM
challenge, in which the pool of participants will be simulating a
specified set of events, using a common data set as input.
An outline of the challenge, the rules and the relevant data are hosted on the Virtual Radiation Belt Observatory website and can be accessed at: http://virbo.org/RBW#Challenge_Data
The comparison of models and observations will take place at the 2011
GEM summer meeting. For the explanation of rules please contact
"Jacob Bortnik" <jbortnik AT gmail.com>, "Scot Elkington"
<elkingto AT lasp.colorado.edu>, "Paul O'Brien" <Paul.OBrien AT aero.org>, "Kletzing, Craig" <cak AT delta.physics.uiowa.edu>.
2) RBW schedule
This year we will have 5 GEM sessions and 1 joint GEM cedar
session. We encourage participants to submit the titles of their
presentations to http://www.atmos.ucla.edu/~yshprits/rbw2011.html by
June 12th. Contributed presentations will be approximately 5 min and
include no more than 3 slides. Invited presentations will be limited
to 10 min and 7 slides. Presentations submitted after June 12 and
walk-in presentations will be limited to 1 slide. We particularly
encourage participants to submit their presentations to the Joint
with CEDAR session: Remote Sensing the Inner Magnetosphere.
3) RBSPb event list
The RBSPb event list, page is now operational on ViRBO
http://virbo.org/RBSPb . The web site design contains a list of storms, relevant papers, data, and figures. We encourage participations of the RBW working group to email publication titles and data relevant to these events to virbo+RBSPb AT virbo.org.
For comments/ questions please contact "Drew Turner"
<drew.lawson.turner AT gmail.com>, "Michael Hartinger"
<mhartinger AT igpp.ucla.edu>, "Weichao Tu" <Weichao.Tu AT colorado.edu>, "Yuri Shprits" <yshprits AT atmos.ucla.edu>, "Bob Weigel" <rweigel AT gmu.edu>
Pre-Focus Group Planning Session on Magnetic Reconnection
Conveners: Paul Cassak <Paul.Cassak [at] mail.wvu.edu>, John Dorelli, and Brian Sullivan
We would like to announce a pre-focus group planning meeting for a GEM session on magnetic reconnection to be held at the upcoming GEM meeting in Santa Fe. We encourage any and all community members interested in helping to formulate the scope and direction for an upcoming proposal for a focus group to attend. Ideal directions for a focus group incorporate a close interaction between observers, theorists, and/or global modelers. Suggestions for leadership and science focus are encouraged. The session is planned for Tuesday, June 28th, from 1:30-3:30pm. Please email us at Paul.Cassak at mail.wvu.edu with any questions or comments. People not planning on attending that have ideas are encouraged to email their comments in advance.
