First look at GOCE-derived thermosphere density and wind measurements

Details First look at GOCE-derived thermosphere density and wind measurements First look at GOCE-derived thermosphere density and wind measurements

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa41a1828d&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA41A-1828

Physics

[0358] Atmospheric Composition And Structure / Thermosphere: Energy Deposition, [0394] Atmospheric Composition And Structure / Instruments And Techniques, [7969] Space Weather / Satellite Drag

Scientific paper

Accelerometers carried by low-Earth orbiters such as GOCE have the ability to provide highly detailed data on thermospheric density and winds. Like its predecessor missions, CHAMP and GRACE, GOCE has not been specifically designed for studies of the thermosphere. Nevertheless, their application in this domain has resulted in density and wind data sets containing information at unprecedented levels of coverage and precision, resulting in many scientific papers. The orbit of GOCE is unique. It is nearly sun-synchronous, and due to its drag free control system, its altitude can be kept fixed for several years, at about 270 km. This leads to sampling characteristics that are ideal for studying the effect of variations in solar and magnetospheric energy input on the thermosphere density and wind. Besides the presentation of the first GOCE-derived density and wind measurements, this poster will describe the GOCE data processing approach, which differs from that of the earlier missions in the special consideration required for both the handling of the thruster accelerations and the aerodynamic modelling.

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