Increases in plasma sheet temperature with solar wind driving during substorm growth phases

Increases in plasma sheet temperature with solar wind driving during substorm growth phases

During substorm growth phases, magnetic reconnection at the magnetopause extracts ∼1015 J from the solar wind which is then stored in the magnetotail lobes. Plasma sheet pressure increases to balance magnetic flux density increases in the lobes. Here we examine plasma sheet pressure, density, and te...

Ausführliche Beschreibung

Bibliographische Detailangaben
Veröffentlicht in:Geophysical research letters. - 1984. - 41(2014), 24 vom: 28. Dez., Seite 8713-8721
1. Verfasser: Forsyth, C (VerfasserIn)
Weitere Verfasser: Watt, C E J, Rae, I J, Fazakerley, A N, Kalmoni, N M E, Freeman, M P, Boakes, P D, Nakamura, R, Dandouras, I, Kistler, L M, Jackman, C M, Coxon, J C, Carr, C M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Geophysical research letters
Schlagworte:Journal Article growth phase plasma sheet substorm temperature
LEADER 01000naa a22002652 4500
001 NLM249960249
003 DE-627
005 20231224154716.0
007 tu
008 231224s2014 xx ||||| 00| ||eng c
028 5 2 |a pubmed24n0833.xml 
035 |a (DE-627)NLM249960249 
035 |a (NLM)26074645 
040 |a DE-627  |b ger  |c DE-627  |e rakwb 
041 |a eng 
100 1 |a Forsyth, C  |e verfasserin  |4 aut 
245 1 0 |a Increases in plasma sheet temperature with solar wind driving during substorm growth phases 
264 1 |c 2014 
336 |a Text  |b txt  |2 rdacontent 
337 |a ohne Hilfsmittel zu benutzen  |b n  |2 rdamedia 
338 |a Band  |b nc  |2 rdacarrier 
500 |a Date Revised 20.11.2019 
500 |a published: Print-Electronic 
500 |a Citation Status Publisher 
520 |a During substorm growth phases, magnetic reconnection at the magnetopause extracts ∼1015 J from the solar wind which is then stored in the magnetotail lobes. Plasma sheet pressure increases to balance magnetic flux density increases in the lobes. Here we examine plasma sheet pressure, density, and temperature during substorm growth phases using 9 years of Cluster data (>316,000 data points). We show that plasma sheet pressure and temperature are higher during growth phases with higher solar wind driving, whereas the density is approximately constant. We also show a weak correlation between plasma sheet temperature before onset and the minimum SuperMAG AL (SML) auroral index in the subsequent substorm. We discuss how energization of the plasma sheet before onset may result from thermodynamically adiabatic processes; how hotter plasma sheets may result in magnetotail instabilities, and how this relates to the onset and size of the subsequent substorm expansion phase 
650 4 |a Journal Article 
650 4 |a growth phase 
650 4 |a plasma sheet 
650 4 |a substorm 
650 4 |a temperature 
700 1 |a Watt, C E J  |e verfasserin  |4 aut 
700 1 |a Rae, I J  |e verfasserin  |4 aut 
700 1 |a Fazakerley, A N  |e verfasserin  |4 aut 
700 1 |a Kalmoni, N M E  |e verfasserin  |4 aut 
700 1 |a Freeman, M P  |e verfasserin  |4 aut 
700 1 |a Boakes, P D  |e verfasserin  |4 aut 
700 1 |a Nakamura, R  |e verfasserin  |4 aut 
700 1 |a Dandouras, I  |e verfasserin  |4 aut 
700 1 |a Kistler, L M  |e verfasserin  |4 aut 
700 1 |a Jackman, C M  |e verfasserin  |4 aut 
700 1 |a Coxon, J C  |e verfasserin  |4 aut 
700 1 |a Carr, C M  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Geophysical research letters  |d 1984  |g 41(2014), 24 vom: 28. Dez., Seite 8713-8721  |w (DE-627)NLM098182501  |x 0094-8276  |7 nnns 
773 1 8 |g volume:41  |g year:2014  |g number:24  |g day:28  |g month:12  |g pages:8713-8721 
912 |a GBV_USEFLAG_A 
912 |a SYSFLAG_A 
912 |a GBV_NLM 
912 |a GBV_ILN_350 
951 |a AR 
952 |d 41  |j 2014  |e 24  |b 28  |c 12  |h 8713-8721