Distribution of Turbulence Throughout the Heliosphere

Details Distribution of Turbulence Throughout the Heliosphere Distribution of Turbulence Throughout the Heliosphere

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh11a0253b&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SH11A-0253

Mathematics

Logic

2134 Interplanetary Magnetic Fields, 2149 Mhd Waves And Turbulence (2752, 6050, 7836), 7827 Kinetic And Mhd Theory, 7859 Transport Processes, 7863 Turbulence (4490)

Scientific paper

Turbulence transport equations based on a two scale MHD decomposition, non-WKB spatial transport and phenomenological treatment of local homogeneous turbulence, have been able to account well for radial evolution of turbulence energy, correlation scale, cross helicity and temperature. The formalism includes injection of turblence energy by stream shear interactions and, in the outer heliosphere, by pickup ion interactions. This approach has been tested with observations. We now use this approach to work out the distribution of turbulence throughout the heliosphere at radial distances > 0.3AU and at all latitudes. We discuss and contrast the predictions of the theory for widely varying latitude and radial positions. This provides a basis for explaining and/or predicting the MHD turbulence energy and associated parameters that determine charged particle scattering throughout the heliosphere.

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