Geomagnetic Heating Modifications to Neutral Atmospheric Density Models

Details Geomagnetic Heating Modifications to Neutral Atmospheric Density Models Geomagnetic Heating Modifications to Neutral Atmospheric Density Models

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsa51b0259g&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SA51B-0259

Physics

7837 Neutral Particles, 2427 Ionosphere/Atmosphere Interactions (0335), 2447 Modeling And Forecasting

Scientific paper

We present modifications of the geomagnetic input to the Jacchia 1970 neutral atmospheric density model based on neutral density estimates for 18 satellites. Our research uses a Joule heating proxy for geomagnetic heating, instead of Ap which was the sole input used in the original Jacchia 1970 model. We compute the difference between the original Jacchia 1970 model, and our modified model, for 18 satellites in a variety of low earth orbits. The results of this research will allow better operational forecasting of atmospheric neutral drag. To this end we compare the "forecast" of atmospheric neutral density over a one year interval during 2001-2002, the peak of the most current solar cycle.

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