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Browsing Physics by Author "Mitchell, D"

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Dynamics of ring current ions as obtained from IMAGE HENA and MENA ENA images 

Perez, J; Zhang, X; Brandt, P; Mitchell, D; Jahn, J; Pollock, C; 0000-0002-4644-0306; 0000-0003-1960-2119 (2022-10-27)
Ion distributions from three storms in the year 2000 have been obtained from HENA and MENA ENA images at 27-39 keV and 5-12 keV, respectively. The observed motion of the ring current is compared with calculations of expected ...

Multi-Event Study on the Connection Between Subauroral Polarization Streams and Deep Energetic Particle Injections in the Inner Magnetosphere 

Califf, S; Zhao, H; Gkioulidou, M; Manweiler, J; Mitchell, D; Tian, S; 0000-0002-8800-2128; 0000-0001-8292-7691 (2023-01-25)
Energetic electron flux enhancements for 100s keV energies are often observed at low L shells (L < 4) in the inner magnetosphere during geomagnetic storms. However, protons with similar energies do not penetrate as deeply ...

Multi-Event Study on the Connection Between Subauroral Polarization Streams and Deep Energetic Particle Injections in the Inner Magnetosphere 

Califf, S; Zhao, H; Gkioulidou, M; Manweiler, J; Mitchell, D; Tian, S; 0000-0002-8800-2128; 0000-0001-8292-7691 (2023-01-25)
Energetic electron flux enhancements for 100s keV energies are often observed at low L shells (L < 4) in the inner magnetosphere during geomagnetic storms. However, protons with similar energies do not penetrate as deeply ...

Overlap of the plasmasphere and ring current: Relation to subauroral ionospheric heating 

Gurgiolo, C; Sandel, B; Perez, J; Mitchell, D; Pollock, C; Larsen, B; 0000-0003-4515-0208; 0000-0003-1960-2119 (2023-01-26)
The overlap of the ring current with the outer plasmasphere is thought to play a major role in storm-time related increases in the subauroral ambient topside electron temperature. Instabilities generated within the overlap ...

Trapped and precipitating protons in the inner magnetosphere as seen by IMAGE 

Perez, J; Zhang, X; Brandt, P; Mitchell, D; Jahn, J; Pollock, C; Mende, S; 0000-0003-1960-2119; 0000-0002-4644-0306 (2022-12-02)
[1] Images from the IMAGE satellite of precipitating protons (SU12/FUV) and trapped protons at 8.5 (MENA) and 33 keV (HENA) are compared during three periods: ( 1) 12 August 2000 from 1000 UT to 1145 UT just after the peak ...