Results 61 to 70 of about 267,892 (208)

Decay of Solar Wind Turbulence behind Interplanetary Shocks

The Astrophysical Journal, 2017
Abstract We investigate the decay of magnetic and kinetic energies behind IP shocks with motivation to find a relaxation time when downstream turbulence reaches a usual solar wind value. We start with a case study that introduces computation techniques and quantifies a contribution of kinetic fluctuations to the general energy balance ...
Pitňa, Alexander, Šafránková, Jana, Němeček, Zdeněk, Franci, Luca   +3 more
openaire   +3 more sources

Third-moment descriptions of the interplanetary turbulent cascade, intermittency and back transfer [PDF]

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2015
We review some aspects of solar wind turbulence with an emphasis on the ability of the turbulence to account for the observed heating of the solar wind. Particular attention is paid to the use of structure functions in computing energy cascade rates and their general agreement with the measured thermal proton heating.
Jesse T, Coburn, Miriam A, Forman, Charles W, Smith, Bernard J, Vasquez, Julia E, Stawarz   +4 more
openaire   +2 more sources

Investigating the Leptokurtotic Nature of Low‐Latitude GNSS Scintillations With a Multiscale Approach

Journal of Geophysical Research: Space Physics, Volume 131, Issue 8, August 2026.
Abstract We investigate the statistical nature of Global Navigation Satellite System (GNSS) signal fluctuations through the multiscale analysis of a strong scintillation event recorded at the Ionospheric Observatory of the Luigi Broglio Space Center in Malindi, Kenya.
L. Spogli, K. Meziane, P. T. Jayachandran, E. Pica, A. Cicone, L. Alfonsi   +5 more
wiley   +1 more source

Radial evolution of cross helicity at low and high latitudes in the solar wind [PDF]

, 2005
We employ a turbulence transport theory to the radial evolution of the solar wind at both low and high latitudes. The theory includes cross helicity, magnetohydrodynamic (MHD) turbulence, and driving by shear and pickup ions. The radial decrease of cross
Matthaeus, William H., Oughton, Sean, Bavassano, B., Minnie, J., Bieber, J.W., Parhi, S., Breech, Ben   +6 more
core  

Solar Wind Turbulence and the Role of Ion Instabilities [PDF]

, 2013
10.12.13 KB.
Sorriso-Valvo, L, S. D. Bale, Bale, SD, Alexandrova, O., Horbury, T., T. S. Horbury, Sorriso-Valvo, L., Bale, S.,, Chen, CHK, Horbury, TS, O. Alexandrova, Alexandrova, O, L. Sorriso-Valvo, C. H. K. Chen, Chen, C.   +14 more
core   +1 more source

Observation of Kinetic Alfvén Waves inside an Interplanetary Coronal Mass Ejection Magnetic Cloud at 1 au

The Astrophysical Journal
Recent advancements have significantly enhanced our grasp of interplanetary coronal mass ejections (ICMEs) in the heliosphere. These observations have uncovered complex kinematics and structural deformations in ICMEs, hinting at the possible generation ...
Kishor Kumbhar, Anil Raghav, Omkar Dhamane, Kalpesh Ghag, Vinit Pawaskar, Zubair Shaikh, Ankush Bhaskar, Raffaella D’Amicis, Daniele Telloni   +8 more
doaj   +1 more source

Foreshock Ion Properties at Earth's Bow Shock: Dependence on Upstream Conditions and Shock Geometry

Journal of Geophysical Research: Space Physics, Volume 131, Issue 8, August 2026.
Abstract Solar wind ion reflection at collisionless shocks regulates foreshock plasma dynamics, yet the quantitative dependence of foreshock ion properties on upstream and shock‐related parameters remains unclear, causing difficulties in predicting foreshock disturbances.
Runyi Liu, Terry Liu, Kun Zhang, Vassilis Angelopoulos, Siqi Zhao   +4 more
wiley   +1 more source

Transport of Solar Wind Fluctuations: A Two-Component Model [PDF]

, 2011
We present a new model for the transport of solar wind fluctuations which treats them as two interacting incompressible components: quasi-two-dimensional turbulence and a wave-like piece.
Matthaeus, William H., P. A. Isenberg, Breech, B., Isenberg, P. A., Matthaeus, W. H., C. W. Smith, Smith, C. W., Oughton, Sean, S. Oughton, Smith, Charles W., W. H. Matthaeus, Oughton, S., B. Breech, Breech, Ben   +13 more
core   +1 more source

Modification of the Power Spectral Density of Magnetic Field Fluctuations by Quasi-perpendicular Interplanetary Shocks

The Astrophysical Journal Letters
We investigate the role of interplanetary (IP) shocks in solar wind turbulence using observations of Solar Orbiter, Parker Solar Probe, and Wind. Employing statistical analysis of quasi-perpendicular fast forward (FF) and fast reverse (FR) shocks, we ...
Byeongseon Park, Alexander Pitňa, Jana Šafránková, Zdeněk Němeček   +3 more
doaj   +1 more source

Fundamental Poloidal Wave Event Extending From Midnight to Dawn

Journal of Geophysical Research: Space Physics, Volume 131, Issue 8, August 2026.
Abstract Fundamental poloidal (P1) waves are a class of magnetospheric standing Alfvén waves characterized by field line oscillations in the meridional plane. P1 waves are infrequently excited in the ring current region and are believed to be the source of giant pulsations (Pgs) observed on the ground. Pgs are mostly detected on the morning side with a
Kazue Takahashi, Michael D. Hartinger, Kiyokazu Koga   +2 more
wiley   +1 more source