Community:Email 02dec10

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Dear colleagues,

We would like to invite you to submit an abstract to the upcoming IUGG meeting, which will be held in Melbourne, Australia in 2011. The session we are running is entitled "A07.1 Radiation Belt Dynamics: drivers and impacts of acceleration and loss processes", and will focus on various aspects of radiation belt dynamics (please see abstract below).

Our session is part of the IAGA meeting within IUGG, and will be held during the week 2-7 July 2011 (IUGG itself runs from 28 June - 7 July 2011). Abstract submission is now open and the deadline is Monday 17 January 2011. Early bird registration is open until 11 April 2011.

More information on the IUGG conference, the schedule, and the city of Melbourne can be found on the conference website at We look forward to seeing you there.

Mark Clilverd Craig Rodger Jacob Bortnik

A07.1 Radiation Belt Dynamics: drivers and impacts of acceleration and loss processes Organiser: IAGA Div II and Div III Lead Convenor: Mark Clilverd (United Kingdom) Co-Convenors: Craig Rodger (New Zealand), Jacob Bortnik (United States of America)

Scope: Recent progress in the understanding of radiation-belt energization and loss processes, as well as ring-current build-up and decay, has shown that the system is highly variable, and relies on a variety of different waves and other transient phenomena to couple the dynamic processes occurring in the inner magnetosphere. Multiple energization and loss process occur simultaneously, over a variety of spatial scales ranging from microscopic wave-particle interactions, to global-scale interactions, and a variety of temporal scales, from milliseconds to hours. Particle precipitation into the atmosphere is one of the mechanisms for energetic electron loss from the Van Allen radiation belts, and has consequences for the lower atmosphere. This is particularly significant during and after geomagnetic storms, when the radiation-belt loss rate, and the source population, can both increase. In this session, we will focus on the dynamical behaviour of radiation-belt and ring-current particles, the global variability and coupling to the inner magnetosphere, the nature and spatiotemporal distribution energetic particle precipitation into the D-region, and the consequences for the underlying atmosphere. In particular we seek contributions demonstrating the spatiotemporal distribution of various waves (including electromagnetic ion cyclotron (EMIC), chorus wave activity, magnetosonic, ECH and other); the role of the ring current in global magnetopause losses; the role of ultra low frequency (ULF) waves in energizing radiation belt particles; and the precipitation of energetic electrons (>20 keV) into the D-region ionosphere and below - through ground-based and satellite experimental observations, as well as theoretical investigations.