Modeling the Impact of Terrestrial Weather on Thermosphere Ionosphere Structure

Details Modeling the Impact of Terrestrial Weather on Thermosphere Ionosphere Structure Modeling the Impact of Terrestrial Weather on Thermosphere Ionosphere Structure

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsa12a..02f&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SA12A-02

Physics

0300 Atmospheric Composition And Structure, 2427 Ionosphere/Atmosphere Interactions (0335), 3319 General Circulation (1223), 3367 Theoretical Modeling, 3389 Tides And Planetary Waves

Scientific paper

Recent observations have revealed unambiguous signatures of the impact of terrestrial weather on the upper atmosphere. The manifestation are either spatial, indicating a longitude dependence in ionospheric features, or temporal, indicating multi-day periodicities from planetary wave forcing. A new model of Integrated Dynamics through Earth's Atmosphere (IDEA) that self-consistently combines a Whole Atmosphere Model (WAM) with a Global Ionosphere Plasmasphere (GIP), together with a solution of global electrodynamics has been used to begin to interpret the observations. The model was developed under a NASA sponsored collaborative project between the University of Colorado and National Weather Service's (NWS) Environmental Modeling and Space Environment Centers. The model was specifically designed to understand and interpret the recent observations, and determine the physical processes responsible for the longitude dependent ionospheric spatial structure and planetary wave (PW) modulation of the upper atmosphere. The model simulates ionospheric variability and is used to begin to quantify and separate the impact of either neutral dynamics, composition, and electrodynamics at mid and low latitudes.

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