Electron‐Driven Dissipation in a Tailward Flow Burst

2019 ◽  
Vol 46 (11) ◽  
pp. 5698-5706 ◽  
Author(s):  
Z. Z. Chen ◽  
H. S. Fu ◽  
C. M. Liu ◽  
T. Y. Wang ◽  
R. E. Ergun ◽  
...  
Keyword(s):  
Tailward Flow ◽  
Flow Burst

scholarly journals Structure of the near-Earth plasma sheet during tailward flows

2008 ◽  
Vol 26 (3) ◽  
pp. 709-724 ◽  
Author(s):  
A. Runov ◽  
I. Voronkov ◽  
Y. Asano ◽  
W. Baumjohann ◽  
M. Fujimoto ◽  
...  
Keyword(s):  
Data Analysis ◽  
Plasma Flow ◽  
Plasma Sheet ◽  
Electron Flux ◽  
Neutral Sheet ◽  
Magnetic Filed ◽  
Current Filaments ◽  
Tailward Flow ◽  
Flow Burst

Abstract. A detailed analysis of successive tailward flow bursts in the near-Earth magnetotail (X~−19 RE) plasma sheet is performed on the basis of in-situ multi-point observations by the Cluster spacecraft on 15 September 2001. The tailward flows were detected during a northward IMF interval, 2.5 h after a substorm expansion. Each flow burst (Vx<300 km/s) was associated with local auroral activation. Enhancements of the parallel and anti-parallel ~1 keV electron flux were detected during the flows. The spacecraft configuration enables to monitor the neutral sheet (Bx≈0) and the level of Bx≈10–15 nT simultaneously, giving a possibility to distinguish between closed plasmoid-like structures and open NFTE-like surges. The data analysis shows NFTE-like structures and localized current filaments embedded into the tailward plasma flow. 3-D shapes of the structures were reconstructed using the four-point magnetic filed measurements and the particle data.

scholarly journals Observation of reconnection pulses by Cluster and Double Star

2005 ◽  
Vol 23 (8) ◽  
pp. 2921-2927 ◽  
Author(s):  
X. H. Deng ◽  
R. X. Tang ◽  
R. Nakamura ◽  
W. Baumjohann ◽  
T. L. Zhang ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Energetic Electron ◽  
Curvature Vector ◽  
Double Star ◽  
Neutral Sheet ◽  
Inner Magnetosphere ◽  
Point Analysis ◽  
Earthward Flow ◽  
Tailward Flow ◽  
The Magnetic Field

Abstract. During a reconnection event on 7 August 2004, Cluster and Double Star (TC-1) were near the neutral sheet and simultaneously detected the signatures of the reconnection pulses. AT 22:59 UT tailward flow followed by earthward flow was detected by Cluster at about 15 RE, while earthward plasma flow followed by tailward flow was observed by TC-1 at about 10 RE. During the flow reversal from tailward to earthward, the magnetic field Bz changed sign from mainly negative values to positive, and the X component of the magnetic curvature vector switched sign from the tailward direction to the earthward direction, which indicates that the reconnection site (X-line) moved tailward past the Cluster constellation. By using multi-point analysis and observation of energetic electron and ion flux, we study the movement and structure of the current sheet and discuss the braking effect of the earthward flow bursts in the inner magnetosphere.

Dual coenzyme activities of high-Km aldehyde dehydrogenase from rat liver mitochondria

1990 ◽  
Vol 68 (4) ◽  
pp. 751-757 ◽  
Author(s):  
C. Stan Tsai ◽  
D. J. Senior
Keyword(s):  
Steady State ◽  
Rat Liver ◽  
Aldehyde Dehydrogenase ◽  
Liver Mitochondria ◽  
Rat Liver Mitochondria ◽  
Binary Complex ◽  
Stopped Flow ◽  
Conformation Change ◽  
Rate Limiting ◽  
Flow Burst

Various kinetic approaches were carried out to investigate kinetic attributes for the dual coenzyme activities of mitochondrial aldehyde dehydrogenase from rat liver. The enzyme catalyses NAD+- and NADP+-dependent oxidations of ethanal by an ordered bi-bi mechanism with NAD(P)+ as the first reactant bound and NAD(P)H as the last product released. The two coenzymes presumably interact with the kinetically identical site. NAD+ forms the dynamic binary complex with the enzyme, while the enzyme-NAD(P)H complex formation is associated with conformation change(s). A stopped-flow burst of NAD(P)H formation, followed by a slower steady-state turnover, suggests that either the deacylation or the release of NAD(P)H is rate limiting. Although NADP+ is reduced by a faster burst rate, NAD+ is slightly favored as the coenzyme by virtue of its marginally faster turnover rate.Key words: aldehyde dehydrogenase, coenzyme preference.

Flow burst-induced Kelvin-Helmholtz waves in the terrestrial magnetotail

2007 ◽  
Vol 34 (10) ◽  
Author(s):  
M. Volwerk ◽  
K.-H. Glassmeier ◽  
R. Nakamura ◽  
T. Takada ◽  
W. Baumjohann ◽  
...  
Keyword(s):  
Flow Burst

scholarly journals A very large scale flow burst observed by the SuperDARN radars

1999 ◽  
Vol 104 (A10) ◽  
pp. 22469-22486 ◽  
Author(s):  
Nozomu Nishitani ◽  
Tadahiko Ogawa ◽  
Mike Pinnock ◽  
Mervyn P. Freeman ◽  
John R. Dudeney ◽  
...  
Keyword(s):  
Large Scale ◽  
Large Scale Flow ◽  
Flow Burst

Current sheet flapping motions in the tailward flow of magnetic reconnection

2016 ◽  
Vol 121 (8) ◽  
pp. 7817-7827 ◽  
Author(s):  
Mingyu Wu ◽  
Quanming Lu ◽  
Martin Volwerk ◽  
Zoltán Vörös ◽  
Xuanye Ma ◽  
...  
Keyword(s):  
Magnetic Reconnection ◽  
Current Sheet ◽  
Tailward Flow

scholarly journals Initial development of HF radar polar patch caused by azimuthal flow burst in the cusp

2010 ◽  
Vol 115 (A5) ◽  
pp. n/a-n/a ◽  
Author(s):  
S. Taguchi ◽  
K. Hosokawa ◽  
S. Suzuki ◽  
A. S. Yukimatu ◽  
N. Sato
Keyword(s):  
Hf Radar ◽  
Initial Development ◽  
Flow Burst

scholarly journals Equatorward moving auroral signatures of a flow burst observed prior to auroral onset

2009 ◽  
Vol 36 (24) ◽  
Author(s):  
L. Kepko ◽  
E. Spanswick ◽  
V. Angelopoulos ◽  
E. Donovan ◽  
J. McFadden ◽  
...  
Keyword(s):  
Flow Burst

Transition from slow flow to fast tailward flow in the distant plasma sheet

1994 ◽  
Vol 21 (25) ◽  
pp. 2939-2942 ◽  
Author(s):  
A. Nishida ◽  
T. Mukai ◽  
Y. Saito ◽  
T. Yamamoto ◽  
H. Hayakawa ◽  
...  
Keyword(s):  
Plasma Sheet ◽  
Slow Flow ◽  
Tailward Flow

Continuous tailward flow in the near-Earth magnetotail observed by TC-1 satellite

2007 ◽  
Vol 52 (14) ◽  
pp. 1980-1985
Author(s):  
LingQian Zhang ◽  
ZhenXing Liu ◽  
ZhiWei Ma ◽  
ZuYin Pu ◽  
JiYe Wang ◽  
...  
Keyword(s):  
Tailward Flow
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