Fig. 12
From: First results from the Swarm Dedicated Ionospheric Field Inversion chain
Evolution with UT and season of the maximum absolute value of the primary current function \({\varPsi }_1\) in the Northern (\({\varPsi }_N\)) and Southern (\({\varPsi }_S\)) hemispheres. \({\varPsi }_N\) and \({\varPsi }_S\) represent the total currents (in kA) flowing in the dayside vortex for each hemisphere. \(F_{10.7}=100\) SFU