Search Results - "Ober, Daniel M."

Cluster observations of the dusk flank magnetopause near the sash: Ion dynamics and flow-through reconnection by Maynard, Nelson C., Farrugia, Charles J., Burke, William J., Ober, Daniel M., Mozer, Forrest S., Rème, Henri, Dunlop, Malcolm, Siebert, Keith D.

“…Compared to the dayside, dynamics on the flanks of the magnetopause are poorly understood. To help bridge this knowledge gap we analyzed Cluster plasma and…”
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Parametric analysis of nightside conductance effects on inner magnetospheric dynamics for the 17 April 2002 storm by Liemohn, Michael W., Ridley, Aaron J., Brandt, Pontus C., Gallagher, Dennis L., Kozyra, Janet U., Ober, Daniel M., Mitchell, Donald G., Roelof, Edmond C., DeMajistre, Robert

“…Numerous simulations were conducted in order to quantify the influence of nightside conductance morphology and intensity on the storm‐time ring current and…”
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3D Multi‐fluid MHD Simulation of the Early Time Behavior of an Artificial Plasma Cloud in the Bottom Side Ionosphere by Ober, Daniel M., Crawford, Trevor S., Eccles, James V., Holmes, Jeffrey M.

“…A multi‐fluid magnetohydrodynamic model has been developed to investigate artificial clouds in the lower ionosphere. The model is based on the five‐moment…”
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Formation of density troughs embedded in the outer plasmasphere by subauroral ion drift events by Ober, Daniel M., Horwitz, J. L., Gallagher, D. L.

“…A dynamic global core plasma model (DGCPM) is used to investigate the effects of subauroral ion drift (SAID) events on the formation of trough density profiles…”
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Dependence of plasmaspheric morphology on the electric field description during the recovery phase of the 17 April 2002 magnetic storm by Liemohn, Michael W., Ridley, Aaron J., Gallagher, Dennis L., Ober, Daniel M., Kozyra, Janet U.

“…A comparison of how well three different electric field models can predict the storm time plasmapause shape is conducted. The magnetic storm of 17 April 2002…”
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Interactions of the heliospheric current and plasma sheets with the bow shock: Cluster and Polar observations in the magnetosheath by Maynard, Nelson C., Farrugia, Charles J., Burke, William J., Ober, Daniel M., Scudder, Jack D., Mozer, Forrest S., Russell, Christopher T., Rème, Henri, Mouikis, Christopher, Siebert, Keith D.

“…On 12 March 2001, the Polar and Cluster spacecraft were at subsolar and cusp latitudes in the dayside magnetosheath, respectively, where they monitored the…”
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Premidnight plasmaspheric "plumes" by Ober, Daniel M., Horwitz, J. L., Thomsen, M. F., Elphic, R. C., McComas, D. J., Belian, R. D., Moldwin, M. B.

“…To explain observations of brief intervals of cold, dense plasma by geosynchronous satellites in the midnight sector prior to or during substorm onset, it has…”
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Observations of bow shock and magnetopause crossings from geosynchronous orbit on 31 March 2001 by Ober, Daniel M., Thomsen, M. F., Maynard, N. C.

“…On 31 March 2001, significant enhancements in both the strength of the interplanetary magnetic field and the solar wind dynamic pressure pushed the…”
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Mapping prenoon auroral structures to the magnetosphere by Ober, Daniel M., Maynard, N. C., Burke, W. J., Moen, J., Egeland, A., Sandholt, P. E., Farrugia, C. J., Weber, E. J., Scudder, J. D.

“…All‐sky auroral images acquired at Ny‐Ålesund were used in conjunction with observations of a Polar overflight on November 30, 1997, to determine where…”
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Electrodynamics of the poleward auroral border observed by Polar during a substorm on April 22, 1998 by Ober, Daniel M., Maynard, N. C., Burke, W. J., Peterson, W. K., Sigwarth, J. B., Frank, L. A., Scudder, J. D., Hughes, W. J., Russell, C. T.

“…Observations from Polar during a substorm on April 22, 1998, are used to specify electrodynamic characteristics of the high‐latitude auroral boundary on the…”
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Survey of pancake-shaped warm ion distributions at geosynchronous orbit by Ober, Daniel M., Thomsen, M. F., Gary, S. R., Gallagher, D. L., McComas, D. J.

“…It has been proposed that the electromagnetic proton cyclotron instability is a strong source of heating for the anisotropic warm ions observed at…”
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Interactions of the heliospheric current and plasma sheets with the bow shock: Cluster and Polar observations in the magnetosheath: MAGNETOSHEATH OBSERVATIONS OF HCS/HPS by Maynard, Nelson C., Farrugia, Charles J., Burke, William J., Ober, Daniel M., Scudder, Jack D., Mozer, Forrest S., Russell, Christopher T., Rème, Henri, Mouikis, Christopher, Siebert, Keith D.

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Dependence of plasmaspheric morphology on the electric field description during the recovery phase of the 17 April 2002 magnetic storm by LIEMOHN, Michael W, RIDLEY, Aaron J, GALLAGHER, Dennis L, OBER, Daniel M, KOZYRA, Janet U

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Observations of bow shock and magnetopause crossings from geosynchronous orbit on 31 March 2001 by OBER, Daniel M, THOMSEN, M. F, MAYNARD, N. C

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Parametric analysis of nightside conductance effects on inner magnetospheric dynamics for the 17 April 2002 storm : Tracing the sun-earth connection: April 2002 events by LIEMOHN, Michael W, RIDLEY, Aaron J, BRANDT, Pontus C, GALLAGHER, Dennis L, KOZYRA, Janet U, OBER, Daniel M, MITCHELL, Donald G, ROELOF, Edmond C, DEMAJISTRE, Robert

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Survey of pancake-shaped warm ion distributions at geosynchronous orbit by Ober, Daniel M, Thomsen, M F, Gary, S P, Gallagher, D L, McComas, D J

“…It has been proposed that the electromagnetic proton cyclotron instability is a strong source of heating for the anisotropic warm ions observed at…”
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Formation of density troughs embedded in the outer plasmasphere by subauroral ion drift events by Ober, Daniel M, Horwitz, J L, Gallagher, D L

“…A dynamic global core plasma model (DGCPM) is used to investigate the effects of subauroral ion drift (SAID) events on the formation of trough density profiles…”
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Electrodynamics of the poleward auroral border observed by Polar during a substorm on April 22, 1998 : Insights from the polar spacecraft by OBER, Daniel M, MAYNARD, N. C, BURKE, W. J, PETERSON, W. K, SIGWARTH, J. B, FRANK, L. A, SCUDDER, J. D, HUGHES, W. J, RUSSELL, C. T

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Mapping prenoon auroral structures to the magnetosphere by Ober, Daniel M, Maynard, N C, Burke, W J, Weber, E J, Moen, J, Egeland, A, Sandholt, P E, Farrugia, C J, Scudder, J D

“…All-sky auroral images acquired at Ny-Alesund were used in conjunction with observations of a Polar overflight on November 30, 1997, to determine where…”
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Premidnight plasmaspheric 'plumes' by Ober, Daniel M, Horwitz, J L, Thomsen, M F, Elphic, R C, McComas, D J, Belian, R D, Moldwin, M B

“…To explain observations of brief intervals of cold, dense plasma by geosynchronous satellites in the midnight sector prior to or during substorm onset, it has…”
Get full text