Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations

Details Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations

2009-04-05

arxiv.org/abs/0904.0750v1

CHIN. PHYS. LETT. 26(1), 2009

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

6 pages, 1 figure

Scientific paper

Three-dimensional global magnetohydrodynamic simulations of the solar wind - magnetosphere - ionosphere system are carried out to explore the dependence of the magnetospheric reconnection voltage, the ionospheric transpolar potential, and the field aligned currents (FACs) on the solar wind driver and ionosphere load for the cases with pure southward interplanetary magnetic field (IMF). It is shown that the reconnection voltage and the transpolar potential increase monotonically with decreasing Pedersen conductance ($\Sigma_{\rm P}$), increasing southward IMF strength ($B_{\rm s}$) and solar wind speed ($v_{\rm sw}$). Moreover, both of the region 1 and the region 2 FACs increase when $B_{\rm s}$ and $v_{\rm sw}$ increase, whereas the two currents behave differently in response to $\Sigma_{\rm P}$. As $\Sigma_{\rm P}$ increases, the region 1 FAC increases monotonically, but the region 2 FAC shows a non-monotonic response to the increase of $\Sigma_{\rm P}$: it first increases in the range of (0, 5) Siemens and then decreases for $\Sigma_P >$ 5 Siemens.

Affiliated with

Also associated with

No associations

Rating

Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Response of the Earth's magnetosphere and ionosphere to solar wind driver and ionosphere load: Results of global MHD simulations will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-456877