HR: 10:20h
AN: SH22B-01 INVITED    [Abstracts]
TI: Solar Wind Acceleration and Heating
AU: * Velli, M
EM: Marco.Velli@jpl.nasa.gov
AF: Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA 91109, United States
AU: * Velli, M
EM: Marco.Velli@jpl.nasa.gov
AF: Universita' di Firenze, Largo E Fermi2, Firenze, 50125, Italy
AB: The heating of the solar corona and acceleration of the solar wind represent one of the fundamental problems in all of space science. While different scenarios have been proposed to explain the heating of magnetically confined and open regions of the corona, they all rely on the transfer, storage and dissipation of the abundant free energy present in photospheric convection. In this talk I will focus specifically on models involving Alfvén waves which lead to the solar wind as observed at 1 AU, discussing the difficulties in deriving consistently both wave- spectrum evolution and solar wind distribution functions. Using the example of reflection driven Alfvénic turbulence in coronal holes and the solar wind, I will describe which kinds of measurements are most likely to help advance our understanding of this crucial problem.
DE: 2164 Solar wind plasma
DE: 2169 Solar wind sources
DE: 7509 Corona
DE: 7526 Magnetic reconnection (2723, 7835)
DE: 7867 Wave/particle interactions (2483, 6984)
SC: SPA-Solar and Heliospheric Physics [SH]
MN: 2007 Fall Meeting