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• Journal article
  Edberg NJT, Wahlund J-E, Agren K, Morooka MW, Modolo R, Bertucci C, Dougherty MKet al., 2010,

  Electron density and temperature measurements in the cold plasma environment of Titan: Implications for atmospheric escape

  , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
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  • Citations: 41
• Journal article
  Liu Y, Thernisien A, Luhmann JG, Vourlidas A, Davies JA, Lin RP, Bale SDet al., 2010,

  RECONSTRUCTING CORONAL MASS EJECTIONS WITH COORDINATED IMAGING AND IN SITU OBSERVATIONS: GLOBAL STRUCTURE, KINEMATICS, AND IMPLICATIONS FOR SPACE WEATHER FORECASTING

  , ASTROPHYSICAL JOURNAL, Vol: 722, Pages: 1762-1777, ISSN: 0004-637X
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  • Citations: 117
• Journal article
  Bunce EJ, Cowley SWH, Talboys DL, Dougherty MK, Lamy L, Kurth WS, Schippers P, Cecconi B, Zarka P, Arridge CS, Coates AJet al., 2010,

  Extraordinary field-aligned current signatures in Saturn's high-latitude magnetosphere: Analysis of Cassini data during Revolution 89

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 27
• Journal article
  Wei HY, Russell CT, Dougherty MK, Neubauer FM, Ma YJet al., 2010,

  Upper limits on Titan's magnetic moment and implications for its interior

  , JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, Vol: 115, ISSN: 2169-9097
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  • Citations: 18
• Journal article
  Haigh JD, Winning AR, Toumi R, Harder JWet al., 2010,

  An influence of solar spectral variations on radiative forcing of climate

  , NATURE, Vol: 467, Pages: 696-699, ISSN: 0028-0836
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  • Citations: 186
• Journal article
  Matteini L, Landi S, Del Zanna L, Velli M, Hellinger Pet al., 2010,

  Parametric decay of linearly polarized shear Alfvén waves in oblique propagation: One and two‐dimensional hybrid simulations

  , Geophysical Research Letters, Vol: 37, ISSN: 0094-8276

  <jats:p>The parametric instability of a monochromatic shear Alfvén wave in oblique propagation with respect the ambient magnetic field is investigated in a kinetic regime, performing one‐dimensional (1‐D) and two‐dimensional (2‐D) hybrid simulations. The parallel component of the mother wave is found to be subject to a parametric decay which excites an ion‐acoustic wave along the magnetic field and a backward propagating daughter shear Alfvén wave, as in the instability for a purely parallel mother wave. At the same time, the acoustic wave generation supports the acceleration of a velocity beam in the ion distribution function, due to the non‐linear trapping of protons. Moreover, the instability leads to the generation of broad band oblique spectra of coupled Alfvénic and compressive modes with variable perpendicular wavevectors, and, as a consequence, the magnetic field after saturation is characterized by a strong transverse modulation.</jats:p>

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• Journal article
  Petrosyan A, Balogh A, Goldstein ML, Leorat J, Marsch E, Petrovay K, Roberts B, von Steiger R, Vial JCet al., 2010,

  Turbulence in the Solar Atmosphere and Solar Wind

  , SPACE SCIENCE REVIEWS, Vol: 156, Pages: 135-238, ISSN: 0038-6308
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  • Citations: 55
• Journal article
  Sigsbee K, Kletzing CA, Pickett JS, Gurnett DA, Schwartz SJ, Lefebvre B, Lucek E, Fazakerley AN, Kucharek Het al., 2010,

  Characteristics of Langmuir electric field waveforms and power spectra exhibiting nonlinear behavior in Earth’s foreshock

  , Journal of Geophysical Research (Space Physics), Vol: 115, Pages: A10251-A10251
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• Journal article
  Simon S, Wennmacher A, Neubauer FM, Bertucci CL, Kriegel H, Russell CT, Dougherty MKet al., 2010,

  Dynamics of Saturn's magnetodisk near Titan's orbit: Comparison of Cassini magnetometer observations from real and virtual Titan flybys

  , PLANETARY AND SPACE SCIENCE, Vol: 58, Pages: 1625-1635, ISSN: 0032-0633
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  • Citations: 19
• Journal article
  Rodriguez-Martinez M, Blanco-Cano X, Russell CT, Leisner JS, Wilson RJ, Dougherty MKet al., 2010,

  Harmonic growth of ion-cyclotron waves in Saturn's magnetosphere

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 14
• Journal article
  Wicks RT, Horbury TS, Chen CHK, Schekochihin AAet al., 2010,

  Power and Spectral Index Anisotropy of the Entire Inertial Range of Turbulence in the Fast Solar Wind

  , Monthly Notices of the Royal Astronomical Society, Vol: 407, Pages: L31-L35, ISSN: 0035-8711

  We measure the power and spectral index anisotropy of magnetic field fluctuations in fast solar wind turbulence from scales larger than the outer scale down to the ion gyroscale, thus covering the entire inertial range. We show that the power and spectral indices above the outer scale of turbulence are approximately isotropic. The turbulent cascade causes the power anisotropy at smaller scales manifested by anisotropic scalings of the spectrum: close to k−5/3 across and k−2 along the local magnetic field, consistent with a critically balanced Alfvénic turbulence. By using data at different radial distances from the Sun and calculating the radial dependence of the ratio of the outer scale to the ion gyroscale, we show that the width of the inertial range does not change with heliocentric distance. At the smallest scales of the inertial range, close to the ion gyroscale, we find an enhancement of power parallel to the magnetic field direction coincident with a decrease in the perpendicular power. This is most likely related to energy injection by ion kinetic modes such as the firehose instability and also marks the beginning of the kinetic range, sometimes called the dissipation range, of solar wind turbulence.

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• Journal article
  Matteini L, Landi S, Velli M, Hellinger Pet al., 2010,

  Kinetics of parametric instabilities of Alfvén waves: Evolution of ion distribution functions

  , Journal of Geophysical Research: Space Physics, Vol: 115, ISSN: 0148-0227

  <jats:p>Using numerical simulations in a hybrid regime, we studied the evolution of large‐amplitude Alfvén waves subject to modulational and decay instabilities, including the effects of ion kinetics. We considered both a monochromatic and incoherent spectrum of waves, different wave polarizations and amplitudes, and different plasma regimes, ranging from <jats:italic>β</jats:italic> &lt; 1 to <jats:italic>β</jats:italic> &gt; 1. We found in all cases that ion dynamics affects the instability evolution and saturation; as a feedback, wave‐particle interactions provide a nonlinear trapping of resonant particles that importantly change the properties of the ion velocity distribution functions. In particular, we observed a proton acceleration along the magnetic field and in some cases the formation of a parallel velocity beam traveling faster than the rest of the distribution. For the range of parameters used in our simulations, the fundamental ingredient in generating an ion beam is observed to be the parallel electric field carried by the density fluctuations driven by the ion‐acoustic modes generated by the parametric instabilities.</jats:p>

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• Journal article
  Cravens TE, Richard M, Ma Y-J, Bertucci C, Luhmann JG, Ledvina S, Robertson IP, Wahlund J-E, Agren K, Cui J, Muller-Wodarg I, Waite JH, Dougherty M, Bell J, Ulusen Det al., 2010,

  Dynamical and magnetic field time constants for Titan's ionosphere: Empirical estimates and comparisons with Venus

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 34
• Journal article
  Zaslavsky A, Volokitin AS, Krasnoselskikh VV, Maksimovic M, Bale SDet al., 2010,

  Spatial localization of Langmuir waves generated from an electron beam propagating in an inhomogeneous plasma: Applications to the solar wind

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 20
• Journal article
  Gurnett DA, Persoon AM, Kopf AJ, Kurth WS, Morooka MW, Wahlund J-E, Khurana KK, Dougherty MK, Mitchell DG, Krimigis SM, Krupp Net al., 2010,

  A plasmapause-like density boundary at high latitudes in Saturn's magnetosphere

  , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
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  • Citations: 38
• Journal article
  Rouillard AP, Lavraud B, Sheeley NR, Davies JA, Burlaga LF, Savani NP, Jacquey C, Forsyth RJet al., 2010,

  WHITE LIGHT AND IN SITU COMPARISON OF A FORMING MERGED INTERACTION REGION

  , ASTROPHYSICAL JOURNAL, Vol: 719, Pages: 1385-1392, ISSN: 0004-637X
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  • Citations: 37
• Journal article
  Lockwood M, Bell C, Woollings T, Harrison RG, Gray LJ, Haigh JDet al., 2010,

  Top-down solar modulation of climate: evidence for centennial-scale change

  , ENVIRONMENTAL RESEARCH LETTERS, Vol: 5, ISSN: 1748-9326
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  • Citations: 41
• Journal article
  Eastwood JP, Phan TD, Oieroset M, Shay MAet al., 2010,

  Average properties of the magnetic reconnection ion diffusion region in the Earth's magnetotail: The 2001-2005 Cluster observations and comparison with simulations

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 160
• Journal article
  Kellett S, Arridge CS, Bunce EJ, Coates AJ, Cowley SWH, Dougherty MK, Persoon AM, Sergis N, Wilson RJet al., 2010,

  Nature of the ring current in Saturn's dayside magnetosphere

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 26
• Journal article
  Hulot G, Balogh A, Christensen UR, Constable CG, Mandea M, Olsen Net al., 2010,

  The Earth's Magnetic Field in the Space Age: An Introduction to Terrestrial Magnetism

  , SPACE SCIENCE REVIEWS, Vol: 155, Pages: 1-7, ISSN: 0038-6308
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  • Citations: 4
• Journal article
  Simon S, Wennmacher A, Neubauer FM, Bertucci CL, Kriegel H, Saur J, Russell CT, Dougherty MKet al., 2010,

  Titan's highly dynamic magnetic environment: A systematic survey of Cassini magnetometer observations from flybys TA-T62

  , PLANETARY AND SPACE SCIENCE, Vol: 58, Pages: 1230-1251, ISSN: 0032-0633
  • Author Web Link
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  • Citations: 65
• Journal article
  Rong Z, Shen C, Lucek E, Balogh A, Yao Let al., 2010,

  Statistical survey on the magnetic field in magnetotail current sheets: Cluster observations

  , CHINESE SCIENCE BULLETIN, Vol: 55, Pages: 2542-2547, ISSN: 1001-6538
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  • Citations: 10
• Journal article
  Bartello P, Devenish BJ, Haigh JD, Vassilicos JCet al., 2010,

  CLOUDS AND TURBULENCE

  , BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, Vol: 91, Pages: 1087-1089, ISSN: 0003-0007
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• Journal article
  Brain DA, Baker AH, Briggs J, Eastwood JP, Halekas JS, Phan T-Det al., 2010,

  Episodic detachment of Martian crustal magnetic fields leading to bulk atmospheric plasma escape

  , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
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  • Citations: 90
• Journal article
  Masters A, Achilleos N, Kivelson MG, Sergis N, Dougherty MK, Thomsen MF, Arridge CS, Krimigis SM, McAndrews HJ, Kanani SJ, Krupp N, Coates AJet al., 2010,

  Cassini observations of a Kelvin-Helmholtz vortex in Saturn's outer magnetosphere

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 97
• Journal article
  Galand M, Yelle R, Cui J, Wahlund J-E, Vuitton V, Wellbrock A, Coates Aet al., 2010,

  Ionization sources in Titan's deep ionosphere

  , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
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  • Citations: 42
• Journal article
  Bradshaw SJ, Cargill PJ, 2010,

  THE COOLING OF CORONAL PLASMAS. III. ENTHALPY TRANSFER AS A MECHANISM FOR ENERGY LOSS

  , ASTROPHYSICAL JOURNAL, Vol: 717, Pages: 163-174, ISSN: 0004-637X
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  • Citations: 67
• Journal article
  D'Amicis R, Bruno R, Pallocchia G, Bavassano B, Telloni D, Carbone V, Balogh Aet al., 2010,

  RADIAL EVOLUTION OF SOLAR WIND TURBULENCE DURING EARTH AND <i>ULYSSES</i> ALIGNMENT OF 2007 AUGUST

  , ASTROPHYSICAL JOURNAL, Vol: 717, Pages: 474-480, ISSN: 0004-637X
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  • Citations: 19
• Journal article
  Ergun RE, Malaspina DM, Bale SD, McFadden JP, Larson DE, Mozer FS, Meyer-Vernet N, Maksimovic M, Kellogg PJ, Wygant JRet al., 2010,

  Spacecraft charging and ion wake formation in the near-Sun environment

  , PHYSICS OF PLASMAS, Vol: 17, ISSN: 1070-664X
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  • Citations: 48
• Journal article
  Auster HU, Richter I, Glassmeier KH, Berghofer G, Carr CM, Motschmann Uet al., 2010,

  Magnetic field investigations during ROSETTA's 2867 Steins flyby

  , PLANETARY AND SPACE SCIENCE, Vol: 58, Pages: 1124-1128, ISSN: 0032-0633
  • Author Web Link
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  • Citations: 18

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