Vertical Structure of the Thermosphere and Ionosphere During Geomagnetic Storms in May 2002

Details Vertical Structure of the Thermosphere and Ionosphere During Geomagnetic Storms in May 2002 Vertical Structure of the Thermosphere and Ionosphere During Geomagnetic Storms in May 2002

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsa32a..03d&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #SA32A-03

Computer Science

Sound

0310 Airglow And Aurora, 0355 Thermosphere: Composition And Chemistry, 2427 Ionosphere/Atmosphere Interactions (0335), 2441 Ionospheric Storms (7949), 7949 Ionospheric Storms (2441)

Scientific paper

We will present an analysis of two geomagnetic storms that occurred during the month of May in 2002. Specifically we will concentrate on the storms that started on May 11 and May 23. These storms were selected precisely because they are not "great storms" but are presumably more typical of "run of the mill" storms so that the dynamics should be easier to understand. Using (1) images of O/N2 derived from GUVI disk images of OI 135.6 nm and N2 LBH dayglow, (2) limb profiles of O and N2 derived from GUVI limb images of the same dayglow features, (3) ground based ionospheric soundings, and (4) TEC derived from dual frequency radar measurements on the Topex and Jason satellites, we will describe the evolution of the vertical structure of the thermosphere during the storm. We will use both the TING model of thermospheric dynamics and the open source version of the SAMI-2 ionospheric code (http://wwwppd.nrl.navy.mil/sami2-OSP/source-code-description/) to relate the observed thermospheric and ionospheric vertical structure before during and after the two storms. We will discuss the implications for storm-time thermospheric dynamics and thermospheric modeling.

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