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Author |
Sandholt P.E., Farrugia C.J., Cowley S.W.H., Lester M., Denig W.F., Cerisier J.C., Milan S.E., Moen J., Trondsen E. & Lybekk B. |
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Title |
Dynamic cusp aurora and associated pulsed reverse convection during northward interplanetary magnetic. |
Type |
Journal Article |
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Year |
2000 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
105 |
Issue  |
a6 |
Pages |
12869-12894 |
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312 |
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Thesis |
Bachelor's thesis |
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ISSN |
0148-0227 |
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yes |
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Call Number |
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Serial |
664 |
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Author |
Lu G., Baker D.N., Mcpherron R.L., Farrugia C.J., Lummerzheim D., Ruohoniemi J.M., Rich F.J., Evans D.S., Lepping R.P., . & a.l. |
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Title |
Global energy deposition during the january 1997 magnetic cloud event. |
Type |
Journal Article |
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Year |
1998 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
103 |
Issue |
a6 |
Pages |
11685-11694 |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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ISSN |
0148-0227 |
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yes |
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Serial |
1906 |
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Author |
Greenwald R., Ruohoniemi J.M., Baker K.B., Britow W.A., Sofko G.J., Villain J.P., Lester M. & Slavin J. |
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Title |
Convective response to a transient increase in dayside reconnection. |
Type |
Journal Article |
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Year |
1999 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
104 |
Issue |
a5 |
Pages |
10007-10015 |
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Keywords |
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Abstract |
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Programme |
312 |
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Corporate Author |
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Thesis |
Bachelor's thesis |
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ISSN |
0148-0227 |
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yes |
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Call Number |
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Serial |
1001 |
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Author |
Bosqued J M, Ashour-Abdalla M, Umeda T, El Alaoui M, Peroomian V, Frey H U, Marchaudon A, Laakso H, |
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Title |
Cluster observations and numerical modeling of energy-dispersed ionospheric H+ ions bouncing at the plasma sheet boundary layer
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Type |
Journal Article |
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Year |
2009 |
Publication |
J. Geophys. Res. |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
114 |
Issue |
A4 |
Pages |
A04216- |
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Keywords |
dispersed structures, 2704 Magnetospheric Physics: Auroral phenomena, 2736 Magnetospheric Physics: Magnetosphere/ionosphere interactions, 2455 Ionosphere: Particle precipitation, 2463 Ionosphere: Plasma convection, 2753 Magnetospheric Physics: Numerical modeling, |
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Abstract |
The Cluster mission offers a unique opportunity to investigate the origin of the energy-dispersed ion structures frequently observed at 4.5–5 R E altitude in the auroral region. We present a detailed study of the 14 February 2001 northern pass, characterized by the successive observation by three spacecraft of a series of energy-dispersed structures at ~72–75 ILAT in a region of poleward convection. Equatorward, the satellites also observed a localized, steady, and intense source of outflowing energetic (3–10 keV) H+ and O+ ions. These substructures were modeled by launching millions of H+ ions from this ionospheric source and following them through time-dependent electric and magnetic fields obtained from a global MHD simulation of this event. Despite the complexity of ion orbits, the simulations showed that a large number of ions returned to the Cluster location, poleward of their source, in a number of adjacent or overlapping energy-latitude substructures with the correct dispersion. The first dispersed echo was unexpectedly generated by “half-bouncing” ions that interacted with the current sheet to return to the same hemisphere. The time-shifted observations made by two Cluster (SC1 and SC3) spacecrafts were correctly reproduced. Almost all the ions returning to the spacecraft underwent a ~2–5 keV nonadiabatic acceleration at each interaction with the current sheet in a very confined resonant region. This acceleration explains the overall energy increase from one structure to the next. This event confirms the importance of the ionospheric source in populating bouncing ion clusters within the magnetosphere, even at high latitudes.
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Programme |
312;911 |
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Thesis |
Bachelor's thesis |
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Publisher |
AGU |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
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Serial |
2893 |
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Author |
Thorolfsson A. & Cerisier J.C. |
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Title |
Flow transients in teh postnoon ionosphere: the role of solar wind dynamic pressure. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
a2 |
Pages |
1887-1901 |
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Keywords |
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Abstract |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
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Serial |
384 |
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Author |
Andre R., Pinnock M. & Rodger A.S. |
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Title |
Identification of the low-altitude cusp by Super Dual Auroral Radar Network radars: a physical explanation for the empirically derived signature. |
Type |
Journal Article |
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Year |
2000 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
105 |
Issue |
a12 |
Pages |
27081-27093 |
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Keywords |
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Abstract |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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0148-0227 |
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yes |
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Call Number |
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Serial |
1645 |
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Author |
Tremblin P, Minier V, Schneider N, Durand G Al, Ashley M C B, Lawrence J S, Luong-Van D M, Storey J W V, Durand G An, Reinert Y, Veyssiere C, Walter C, Ade P, Calisse P G, Challita Z, Fossat E, Sabbatini L, Pellegrini A, Ricaud P, Urban J, |
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Title |
Site testing for submillimetre astronomy at Dome C,
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Type |
Journal Article |
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Year |
2011 |
Publication |
A&A |
Abbreviated Journal |
0935-4956 |
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Volume |
535 |
Issue |
A112 |
Pages |
535 |
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Programme |
910 |
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ISSN |
0935-4956 |
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yes |
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Call Number |
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Serial |
698 |
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Author |
Knipp D.J., Richmond A.D., Emery B., Crooker N.U., de la Beaujardière O., Evans D.E. & Kroehl H. |
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Title |
Ionospheric Convection Response to Slow, Strong Variations in a Northward Interplanetary Magnetic Field: A case Study for January 14, 1988. |
Type |
Journal Article |
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Year |
1993 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
98 |
Issue |
a11 |
Pages |
19273-19292 |
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Abstract |
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Programme |
139 |
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0148-0227 |
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1989 |
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Author |
Nishitani N., Ogawa T., Pinnock M., Freeman M., Dudeney J.R., Villain J.P., Baker K.B., Sato N., Yamagishi H. & Matsumoto H. |
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Title |
A very large scale flow burst observed by the SupreDARN radars. |
Type |
Journal Article |
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Year |
1999 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
104 |
Issue |
A10 |
Pages |
22469-22486 |
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Keywords |
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Abstract |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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0148-0227 |
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Serial |
2118 |
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Author |
Dubouloz N., Bouhram M., Senior C., Delcourt D. & Malingre M. |
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Title |
Spatial structure of the cusp/cleft ion fountain: a case study using a magnetic conjugacy between Interball AP and a pair of SuperDARN radars. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
106 |
Issue |
a1 |
Pages |
261-274 |
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Keywords |
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Abstract |
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Programme |
312 |
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Thesis |
Bachelor's thesis |
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0148-0227 |
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Call Number |
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Serial |
1523 |
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