Energy and Power Requirements of the Global Thermosphere During the Magnetic Storm of November 10, 2004
AIR FORCE RESEARCH LAB HANSCOM AFB MA SPACE VEHICLES DIRECTORATE
Pagination or Media Count:
We used Poynting fluxes and densities rho to investigate the stormtime thermosphere on November 10, 2004. Thermospheric energy Esub th, which is derived from rho, consists of two sources, solar ultraviolet radiation Esub rh uv and the solar wind Esub th sw. Responses of Esub th to interplanetary driving suggest that the thermosphere can be described by the equation dEsub th swdt alpha epsilon - Esub th swtau, where epsilon sub vs represents the electric field alpha and Tau are constants. We show that 1 Esub th sw is three times the ring-current energy 2 alpha epsilon is comparable with model predictions 3 signatures of equatorward propagating disturbances were detected in neutral density profiles.