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SUMMARY:An investigation of high velocity flows in HF radar data during no
 rthward interplanetary magnetic field\, non-substorm intervals
DTSTART;VALUE=DATE-TIME:20110714T150000Z
DTEND;VALUE=DATE-TIME:20110714T170000Z
DTSTAMP;VALUE=DATE-TIME:20260711T212454Z
UID:indico-contribution-5006@events.saip.org.za
DESCRIPTION:Speakers: Zolile Mtumela (University of KwaZulu-Natal)\nSevera
 l previous studies\, including one using early Sanae radar data\, have fou
 nd examples of high speed ionospheric plasma flows on the nightside\, mapp
 ing to the magnetospheric tail\, during periods which were magnetically qu
 iet. These high speed flows were interpreted to be associated with the rel
 ease of energy from a rapid reconfiguration of tail magnetic field lines d
 ue to reconnection. Such events are now known as ‘TRINNIs’ or ‘tail 
 reconnection during IMF northward\, non-substorm intervals’. The purpose
  of this study was to identify further TRINNI events\, using SuperDARN dat
 a from both hemispheres. In situations where the y-component of the Interp
 lanetary Magnetic Field dominates over the z-component\, the directions of
  both the high speed flows and the underlying convection pattern depend on
  the direction of the y-component. Some examples of likely TRINNI events f
 or cases where the y-component was positive and negative are presented and
  discussed. The assumption of a non-substorm interval is justified by magn
 etometer and GOES satellite data\, and the observations are discussed in r
 elation to magnetic reconnection in the magnetotail.\n\nhttps://events.sai
 p.org.za/event/7/contributions/5006/
LOCATION: Asteria
URL:https://events.saip.org.za/event/7/contributions/5006/
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