Spatial correlation of solar wind turbulence from two point measurements

Details Spatial correlation of solar wind turbulence from two point measurements Spatial correlation of solar wind turbulence from two point measurements

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsm43a1212w&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SM43A-1212

Physics

Geophysics

4400 Nonlinear Geophysics (3200, 6944, 7839), 4490 Turbulence (3379, 4568, 7863), 6944 Nonlinear Phenomena (4400, 7839)

Scientific paper

Interplanetary turbulence is the best studied case of low frequency plasma turbulence and the only directly quantified instance of astrophysical turbulence. Here, correlation analysis of interplanetary magnetic turbulence is carried out, using for the first time only proper two point, single time measurements, providing a key step in unraveling the space-time structure of interplanetary turbulence, Simultaneous magnetic field data from the Wind, ACE and Cluster 2 spacecraft are analyzed to determine the spatial correlation function, the correlation (outer) scale, and the inner (Taylor) microscale near Earth orbit. This work allows us to directly quantify spatial decorrelation and permits the empirical determination of an effective magnetic Reynolds number.

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