Ionospheric Conductivity Dependence of the Cross-Polar Cap Potential Difference and Global Joule Heating Rate

1988 ◽  
Author(s):  
B.-H. Ahn ◽  
Y. Kamide ◽  
S.-I. Akasofu ◽  
H. W. Kroehl ◽  
D. J. Gorney
Keyword(s):  
Heating Rate ◽  
Joule Heating ◽  
Potential Difference ◽  
Polar Cap ◽  
Ionospheric Conductivity ◽  
The Cross ◽  
Cross Polar Cap Potential

scholarly journals Dayside and nightside contributions to the cross polar cap potential: placing an upper limit on a viscous-like interaction

2004 ◽  
Vol 22 (10) ◽  
pp. 3771-3777 ◽  
Author(s):  
S. E. Milan
Keyword(s):  
Magnetic Flux ◽  
Polar Regions ◽  
Polar Cap ◽  
Average Decrease ◽  
The Past ◽  
Viscous Interaction ◽  
The North ◽  
Upper Limit ◽  
The Cross ◽  
Cross Polar Cap Potential

Abstract. Observations of changes in size of the ionospheric polar cap allow the dayside and nightside reconnection rates to be quantified. From these it is straightforward to estimate the rate of antisunward transport of magnetic flux across the polar regions, quantified by the cross polar cap potential ΦPC. When correlated with upstream measurements of the north-south component of the IMF, ΦPC is found to increase for more negative Bz, as expected. However, we also find that ΦPC does not, on average, decrease to zero, even for strongly northward IMF. In the past this has been interpreted as evidence for a viscous interaction between the magnetosheath flow and the outer boundaries of the magnetosphere. In contrast, we show that this is the consequence of flows excited by tail reconnection, which is inherently uncorrelated with IMF Bz.

scholarly journals Statistical study of the subauroral polarization stream: Its dependence on the cross-polar cap potential and subauroral conductance

2008 ◽  
Vol 113 (A12) ◽  
pp. n/a-n/a ◽  
Author(s):  
Hui Wang ◽  
Aaron J. Ridley ◽  
Hermann Lühr ◽  
Michael W. Liemohn ◽  
Shu Y. Ma
Keyword(s):  
Statistical Study ◽  
Polar Cap ◽  
The Cross ◽  
Cross Polar Cap Potential

scholarly journals Effects of the solar wind electric field and ionospheric conductance on the cross polar cap potential: Results of global MHD modeling

2003 ◽  
Vol 30 (23) ◽  
pp. n/a-n/a ◽  
Author(s):  
V. G. Merkine ◽  
K. Papadopoulos ◽  
G. Milikh ◽  
A. S. Sharma ◽  
X. Shao ◽  
...  
Keyword(s):  
Solar Wind ◽  
Electric Field ◽  
Polar Cap ◽  
Mhd Modeling ◽  
The Cross ◽  
Cross Polar Cap Potential

scholarly journals Predicted dependence of the cross polar cap potential saturation on the type of solar wind stream

2015 ◽  
Vol 56 (7) ◽  
pp. 1366-1373 ◽  
Author(s):  
Nadezhda Nikolaeva ◽  
Yuri Yermolaev ◽  
Irina Lodkina
Keyword(s):  
Solar Wind ◽  
Solar Wind Stream ◽  
Polar Cap ◽  
The Cross ◽  
Cross Polar Cap Potential

scholarly journals On the observed variability of the cross-polar cap potential

2004 ◽  
Vol 109 (A2) ◽  
Author(s):  
W. A. Bristow ◽  
R. A. Greenwald ◽  
S. G. Shepherd ◽  
J. M. Hughes
Keyword(s):  
Polar Cap ◽  
The Cross ◽  
Cross Polar Cap Potential
Sign in / Sign up

Export Citation Format

Share Document