The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009

Details The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009 The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm31b2098r&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SM31B-2098

Astronomy and Astrophysics

Astrophysics

[2435] Ionosphere / Ionospheric Disturbances, [7513] Solar Physics, Astrophysics, And Astronomy / Coronal Mass Ejections

Scientific paper

The solar wind through the transpolar Hill-Siscoe potential drives R1 currents throught the ionosphere according to the Nopper-Carovillano ionospheric potential solver. When these currents create sufficiently large eastward equatorial electric fields near twilight plasma instabilities are triggered. In this presentation the yearly (1998-2009) distribution functions of the pertinent solar wind parameters are determined as well as those of the associated Hill-Siscoe potentials. The latter distributions allow the determination of the threshold probability for a given potential value to occur which closely follows an exponential dependence with the Hill-Siscoe potential. The yearly rate of expected triggered events varied from 41% to < 1%, tracking the annual sunspot number. This suggests that a running 6-12 month probability distribution of the Hill-Siscoe potential could be useful for forecast purposes. Yearly scatterplots of IMFBz vs IMFBy show circular-type structure during the more active years consistent with the presence of CME's as described by Russell [2001].

Affiliated with

Also associated with

No associations

Rating

The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009 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 The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Solar Wind as a Source of the Ionospheric Equatorial Electric Field During 1998-2009 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1890601