Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm51b2090j&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SM51B-2090
Physics
[2724] Magnetospheric Physics / Magnetopause And Boundary Layers, [2728] Magnetospheric Physics / Magnetosheath, [2784] Magnetospheric Physics / Solar Wind/Magnetosphere Interactions
Scientific paper
We present a new automatic method of the bow shock and magnetopause identifications based on continuous monitoring of plasma parameters and magnetic fields in regions scanned by the Themis spacecraft and their normalization to solar wind conditions. This method was successfully tested on the dayside magnetosphere using ~6000 bow shock and ~5500 magnetopause crossings. Applying the approach following from this method, we construct spatial profiles of the dayside plasma and magnetic field parameters in the magnetosheath in the range of 0.6 to 11 nPa of solar wind dynamic pressures. We compare experimentally obtained spatial profiles of the magnetosheath parameters with the predictions of gasdynamic and global BATS-R-US MHD models. This comparison exhibits a good overall agreement of measured magnetosheath plasma parameters with both models even on small spatial scales.
Jelínek Karel
Nemecek Zdenek
Safrankova Jana
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