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Fast Plasma Flow Events in the Central Plasma Sheet During Substorms and Pseudobreakups

This study investigates fast plasma flow events in the central plasma sheet during critical phases of substorms, including growth phase, onset, and recovery. We analyze various conditions such as pseudobreakups and convection bays, examining the effects of plasma sheet thickness and expansion. Key events are detailed, including the onset on August 12, 2001, and the flow burst with dipolarization on July 22, 2001. We focus on the orientation of the flow, dipolarization timing, expansion speeds, and the temporal/spatial evolution of these phenomena.

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Fast Plasma Flow Events in the Central Plasma Sheet During Substorms and Pseudobreakups

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Presentation Transcript

  1. title

  2. Fast flows in the central plasma sheet Fast plasma flow events take place: During substorms (growth phase, near onset, recovery phase), pseudobreakups, convection bays For different plasma sheet condition Substorm Convection bay PS thinning PS expansion Thick PS

  3. Different types of process responsible?

  4. August 12, 2001 1838 UT onset

  5. Current sheet orientation

  6. Harris fit

  7. thickness

  8. July 22, 2001, 1135 UT event Flow burst with dipolarization

  9. Relative location and timing

  10. Orientation of the flow and dipolarization

  11. Expansion speeds

  12. Temporal/spatial evolution of the flow burst

  13. summary

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