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Can solar wind viscous drag account for coronal mass ejection deceleration?
Subramanian, Prasad; Lara, Alejandro; Borgazzi, Andrea
The forces acting on solar Coronal Mass Ejections (CMEs) in the interplanetary medium have been evaluated so far in terms of an empirical drag coefficient CD ∼ 1 that quantifies the role of the aerodynamic drag experienced by a typical CME due to its interaction with the ambient solar wind. We use a microphysical prescription for viscos…
How the inclination of Earth's orbit affects incoming solar irradiance
Cheung, M. C. M.; Kretzschmar, M.; Dudok de Wit, T. +3 more
The variability in solar irradiance, the main external energy source of the Earth's system, must be critically studied in order to place the effects of human-driven climate change into perspective and allow plausible predictions of the evolution of climate. Accurate measurements of total solar irradiance (TSI) variability by instruments onboard sp…
The influence of spectral solar irradiance data on stratospheric heating rates during the 11 year solar cycle
Weber, M.; Solanki, S. K.; Krivova, N. A. +7 more
Heating rate calculations with the FUBRad shortwave (SW) radiation parameterization have been performed to examine the effect of prescribed spectral solar fluxes from the NRLSSI, MPS and IUP data sets on SW heating rates over the 11 year solar cycle 22. The corresponding temperature response is derived from perpetual January General Circulation Mo…