Journal of Geophysical Research: Space Physics

Cover image for Vol. 119 Issue 6

Impact Factor: 3.174

ISI Journal Citation Reports © Ranking: 2012: 23/170 (Geosciences Multidisciplinary)

Online ISSN: 2169-9402

Associated Title(s): Journal of Geophysical Research

Featured

  • Fine structure of subauroral electric field and electron content

    Fine structure of subauroral electric field and electron content

    Geometry of subauroral observations in the West Coast sector. The dark blue lines are the Altitude Adjusted Corrected Geomagnetic Coordinates magnetic parallels 50°N, 60°N, and 70°N and magnetic meridians 280°E, 290°E, and 300°E at an altitude of 450 km. Open circles represent locations of GPS receivers. Also shown is the average Doppler velocity measured by the SuperDARN Christmas Valley West (CVW) radar between 11:00 and 14:00 UT (01:00–04:00 MLT) on 17 March 2013 in each radar cell between ranges 810 and 2790 km. The colored tracks represent an example of the total electron content (TEC) measurements between the GPS receiver BCOV and five selected GPS satellites in the same time interval, with each TEC measurement assigned to an ionospheric pierce point (IPP) at 450 km. The GPS satellite numbers are shown at the start of each track.

  • The relation between transpolar potential and reconnection rates during sudden enhancement of solar wind dynamic pressure: OpenGGCM-CTIM results

    The relation between transpolar potential and reconnection rates during sudden enhancement of solar wind dynamic pressure: OpenGGCM-CTIM results

    (a–e) The OpenGGCM-CTIM magnetosphere plots during 10:50–11:30 UT on 10 January 1997. Each column represents from left to right the dynamic pressure (Pdy), Xgse component of plasma velocity (Vx), total magnetic field (|B|), and Xgse component of magnetic field (Bx) on the noon-midnight meridian plane.

  • Nightside Magnetospheric Current Circuit: Time Constants of the Solar Wind-Magnetosphere Coupling

    Nightside Magnetospheric Current Circuit: Time Constants of the Solar Wind-Magnetosphere Coupling

    Schematic illustration of (a) the nightside magnetospheric current circuit and (b) the equivalent electric circuit.

  • The Substorm Current Wedge: Further Insights from MHD Simulations

    The Substorm Current Wedge: Further Insights from MHD Simulations

    Entropy function S=∫p1/γds/B (color) and flow vectors in the x,y plane at three different times, for a simulation of near-tail reconnection, modified after Figure 6 of Birn and Hesse []. Solid black lines represent contours of constant Bz, shown at intervals of 0.5 (10 nT); the one farthest to the right represents the Bz=0 line.

  • Ionosphere variability during the 2009 SSW: Influence of the lunar semidiurnal tide and mechanisms producing electron density variability

    Ionosphere variability during the 2009 SSW: Influence of the lunar semidiurnal tide and mechanisms producing electron density variability

    (a) Amplitude and (b) phase of the migrating semidiurnal solar tide (SW2) in zonal wind at 110 km. (c and d) Same as Figures a and b except for the migrating semidiurnal lunar tide (M2).

  • Fine structure of subauroral electric field and electron content
  • The relation between transpolar potential and reconnection rates during sudden enhancement of solar wind dynamic pressure: OpenGGCM-CTIM results
  • Nightside Magnetospheric Current Circuit: Time Constants of the Solar Wind-Magnetosphere Coupling
  • The Substorm Current Wedge: Further Insights from MHD Simulations
  • Ionosphere variability during the 2009 SSW: Influence of the lunar semidiurnal tide and mechanisms producing electron density variability

Just Published Articles

  1. Storm time response of the mid-latitude thermosphere: Observations from a network of Fabry-Perot interferometers

    Jonathan J. Makela, Brian J. Harding, John W. Meriwether, Rafael Mesquita, Samuel Sanders, Aaron J. Ridley, Michael W. Castellez, Marco Ciocca, Gregory D. Earle, Nathaniel A. Frissell, Donald L. Hampton, Andrew J. Gerrard, John Noto and Carlos R. Martinis

    Accepted manuscript online: 29 JUL 2014 05:12AM EST | DOI: 10.1002/2014JA019832

  2. Statistical analysis of electron lifetimes at GEO: Comparisons with chorus-driven losses

    R. J. Boynton, M. A. Balikhin and D. Mourenas

    Accepted manuscript online: 29 JUL 2014 04:16AM EST | DOI: 10.1002/2014JA019920

  3. Limiting energy spectrum of an electron radiation belt

    Danny Summers and Run Shi

    Accepted manuscript online: 28 JUL 2014 07:54PM EST | DOI: 10.1002/2014JA020250

  4. Comparison of Energetic Electron Intensities Outside and Inside the Radiation Belts

    A. T. Y. Lui, D. G. Mitchell and L. J. Lanzerotti

    Accepted manuscript online: 28 JUL 2014 07:53PM EST | DOI: 10.1002/2014JA020049

  5. Investigation of the seasonal and local time variations of the high-altitude sporadic Na layer (Nas) formation and the associated midlatitude descending E layer (Es) in lower E region

    T. Yuan, Jihong Wang, Xuguang Cai, J. Sojka, D. Rice, J. Oberheide and N. Criddle

    Article first published online: 28 JUL 2014 | DOI: 10.1002/2014JA019942

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