Search Results - "Dunlop, M. W."

A statistical study of EMIC waves observed by Cluster: 1. Wave properties by Allen, R. C., Zhang, J.-C., Kistler, L. M., Spence, H. E., Lin, R.-L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…Electromagnetic ion cyclotron (EMIC) waves are an important mechanism for particle energization and losses inside the magnetosphere. In order to better…”
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Simultaneous Mesoscale Polar Cusp Field‐Aligned Currents Measured on Mid‐ and Low‐Altitude Satellites by Dong, X.‐C., Dunlop, M. W., Xiao, C., Wei, D., Wang, T.‐Y., Zhao, J.‐S.

“…Using a conjunction of Cluster in the mid‐altitude dayside magnetosphere and Swarm in the low‐altitude ionosphere, we show, by employing multi‐spacecraft…”
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Four-point Cluster application of magnetic field analysis tools: The discontinuity analyzer by Dunlop, M. W., Balogh, A., Glassmeier, K.-H.

“…The Cluster spacecraft have collected 3‐D information on magnetic field structures at small to medium scales (100–1000 km) in the Earth's dayside…”
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Global scale-invariant dissipation in collisionless plasma turbulence by Kiyani, K H, Chapman, S C, Khotyaintsev, Yu V, Dunlop, M W, Sahraoui, F

“…A higher-order multiscale analysis of the dissipation range of collisionless plasma turbulence is presented using in situ high-frequency magnetic field…”
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Two Types of Martian Magnetotail Current Sheets: MAVEN Observations of Ion Composition by Li, X. Z., Rong, Z. J., Fraenz, M., Zhang, C., Klinger, L., Shi, Z., Gao, J. W., Dunlop, M. W., Wei, Y.

“…Using measurements from the Mars Atmosphere and Volatile EvolutioN mission, we investigate the densities of H+ (nH+ ${n}_{{\mathrm{H}}^{+}}$), O+ (nO+…”
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Curlometer Technique and Applications by Dunlop, M. W., Dong, X.‐C., Wang, T.‐Y., Eastwood, J. P., Robert, P., Haaland, S., Yang, Y.‐Y., Escoubet, P., Rong, Z.‐J., Shen, C., Fu, H.‐S., De Keyser, J.

“…We review the range of applications and use of the curlometer, initially developed to analyze Cluster multi‐spacecraft magnetic field data; but more recently…”
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Joint Observations of Energy Transport and Dissipation during Plasma Flow Vortex in the Terrestrial Magnetotail by Wang, Wei, Ma, Yuduan, Dunlop, M. W., Sun, Tianran, Rae, I. J., Wei, Xinhua, Yang, Junying, Yang, Youjun

“…Abstract Plasma flow vorticity is ubiquitous in space and plays a key role in material mixing and energy transfer. The five THEMIS satellites orbiting in…”
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Transport of solar wind into Earth's magnetosphere through rolled-up Kelvin-Helmholtz vortices by Hasegawa, H, Fujimoto, M, Phan, T.-D, Rème, H, Balogh, A, Dunlop, M. W, Hashimoto, C, TanDokoro, R

“…Establishing the mechanisms by which the solar wind enters Earth's magnetosphere is one of the biggest goals of magnetospheric physics, as it forms the basis…”
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Four-point Cluster application of magnetic field analysis tools: The Curlometer by Dunlop, M. W., Balogh, A., Glassmeier, K.-H., Robert, P.

“…For the first time, the Cluster spacecraft have collected 3‐D information on magnetic field structures at small to medium scales in the Earth's dayside…”
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A statistical study of EMIC waves observed by Cluster: 2. Associated plasma conditions by Allen, R. C., Zhang, J.‐C., Kistler, L. M., Spence, H. E., Lin, R.‐L., Klecker, B., Dunlop, M. W., André, M., Jordanova, V. K.

“…This is the second in a pair of papers discussing a statistical study of electromagnetic ion cyclotron (EMIC) waves detected during 10 years (2001–2010) of…”
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Evidence for a flux transfer event generated by multiple X-line reconnection at the magnetopause by Hasegawa, H., Wang, J., Dunlop, M. W., Pu, Z. Y., Zhang, Q.-H., Lavraud, B., Taylor, M. G. G. T., Constantinescu, O. D., Berchem, J., Angelopoulos, V., McFadden, J. P., Frey, H. U., Panov, E. V., Volwerk, M., Bogdanova, Y. V.

“…Magnetic flux transfer events (FTEs) are signatures of unsteady magnetic reconnection, often observed at planetary magnetopauses. Their generation mechanism, a…”
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The Cluster Magnetic Field Investigation: overview of in-flight performance and initial results by Balogh, A., Carr, C. M., Acuña, M. H., Dunlop, M. W., Beek, T. J., Brown, P., Fornacon, K.-H., Georgescu, E., Glassmeier, K.-H., Harris, J., Musmann, G., Oddy, T., Schwingenschuh, K.

“…The accurate measurement of the magnetic field along the orbits of the four Cluster spacecraft is a primary objective of the mission. The magnetic field is a…”
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Structure and evolution of flux transfer events near dayside magnetic reconnection dissipation region: MMS observations by Dong, X.‐C., Dunlop, M. W., Trattner, K. J., Phan, T. D., Fu, H.‐S., Cao, J.‐B., Russell, C. T., Giles, B. L., Torbert, R. B., Le, Guan, Burch, J. L.

“…Abstract We investigate a series of three small‐scale flux transfer events (FTEs) associated with reconnected flux ropes, recently generated by a nearby,…”
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Multiple bidirectional EMIC waves observed by Cluster at middle magnetic latitudes in the dayside magnetosphere by Allen, R. C., Zhang, J. -C., Kistler, L. M., Spence, H. E., Lin, R. -L., Dunlop, M. W., André, M.

“…It is well accepted that the propagation of electromagnetic ion cyclotron (EMIC) waves are bidirectional near their source regions and unidirectional when away…”
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Statistical survey on the magnetic structure in magnetotail current sheets by Rong, Z. J., Wan, W. X., Shen, C., Li, X., Dunlop, M. W., Petrukovich, A. A., Zhang, T. L., Lucek, E.

“…On the basis of the multipoint magnetic observations of Cluster in the region 15–19 RE downtail, the magnetic field structure in magnetotail current sheet (CS)…”
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Cluster and TC-1 observation of magnetic holes in the plasma sheet by SUN, W. J, SHI, Q. Q, CARR, C, LUCEK, E, FAZAKERLEY, A, FU, S. Y, PU, Z. Y, DUNLOP, M. W, WALSH, A. P, ZONG, Q. G, XIAO, T, TANG, C. L, REME, H

“…Magnetic holes with relatively small scale sizes, detected by Cluster and TC-1 in the magnetotail plasma sheet, are studied in this paper. It is found that…”
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Motion of observed structures calculated from multi-point magnetic field measurements: Application to Cluster by Shi, Q. Q., Shen, C., Dunlop, M. W., Pu, Z. Y., Zong, Q.-G., Liu, Z. X., Lucek, E., Balogh, A.

“…A new method is described which calculates the velocity of observed, quasi‐stationary structures at every moment in time from multi‐point magnetic field…”
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A statistical study of EMIC wave-associated He+ energization in the outer magnetosphere: Cluster/CODIF observations by Zhang, J.-C., Kistler, L. M., Mouikis, C. G., Klecker, B., Sauvaud, J.-A., Dunlop, M. W.

“…During the time period of 1 March 2001–1 April 2008, the Composition and Distribution Function (CODIF) Analyzer on board Cluster observed 41 prolonged He+…”
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Spatial gradients from irregular, multiple-point spacecraft configurations by Shen, C., Rong, Z. J., Dunlop, M. W., Ma, Y. H., Li, X., Zeng, G., Yan, G. Q., Wan, W. X., Liu, Z. X., Carr, C. M., Rème, H.

“…We present a generalized multipoint analysis of physical quantities, such as magnetic field and plasma flow, based on spatial gradient properties, where the…”
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Asymmetry of magnetosheath flows and magnetopause shape during low Alfvén Mach number solar wind by Lavraud, B., Larroque, E., Budnik, E., Génot, V., Borovsky, J. E., Dunlop, M. W., Foullon, C., Hasegawa, H., Jacquey, C., Nykyri, K., Ruffenach, A., Taylor, M. G. G. T., Dandouras, I., Rème, H.

“…Previous works have emphasized the significant influence of the solar wind Alfvén Mach number (MA) on magnetospheric dynamics. Here we report statistical,…”
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