CEDAR email: Call for Contributions to TESS 2018 Session on Vertical Coupling in the Ionosphere Thermosphere System

[Heelis, Roderick]

In the Triennial Earth-Sun Summit (TESS) meeting (20-24 May 2018, Leesburg, Virginia), we will hold a session entitled “Vertical Coupling in the Ionosphere Thermosphere System". This session covers a broad range of topics addressing the impacts of ion-neutral coupling and future observational challenges. The session goals are described below.
Please consider a contribution to this session.

The abstract submission deadline is 20 February 2018.
https://connect.agu.org/tess2018/home


Vertical Coupling in the Ionosphere Thermosphere System

The altitude range over which substantial energy and momentum are exchanged between the charged and neutral particles and where currents dissipate heat is generally lower than is easily accessible by ground of space-based diagnostics. Rocket measurements of the neutral winds and models of the neutrals winds in the so-called space transition region show large variability caused by tides and waves and their interactions. Likewise the current systems that are generated by such winds must be similarly structured with field-line integrated effects that influence the entire charged particle populations above the region.  Since the region itself is so hard to describe observationally a natural question arises concerning our ability to describe its behavior based on remote measurements made above and/or below the region. We propose a special session to discuss the strengths and weaknesses associated with attempts to describe the behavior of the space transition region based on remotely located measurements. Papers addressing these topics and/or specific research questions or mission concepts are solicited. Such discussions may include but are not limited to:

  *   How measurements of Poynting flux are affected by neutral winds.
  *   How particle energy deposition is dependent on neutral composition and the spectral content of particle fluxes
  *   How winds in the upper thermosphere are related winds in the lower thermosphere
  *   How wind driven current systems appear as plasma drifts in the upper atmosphere
  *   How solar radiative spectral content affecting the lower atmosphere and E region is related to that affecting the upper atmosphere and F region during flares and non-flares.
  *   How ground magnetometer data is used to determine ionospheric currents
  *   How gravity waves affect the energy budget of the thermosphere


Rod Heelis
Doug Rowland
Larry Paxton
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