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Title: A statistical study of EMIC waves observed by Cluster. 1. Wave properties. EMIC Wave Properties

Journal Article · · Journal of Geophysical Research. Space Physics
DOI:https://doi.org/10.1002/2015JA021333· OSTI ID:1215508
ORCiD logo [1];  [2];  [2];  [2];  [3];  [4];  [5];  [6];  [7]
  1. Univ. of New Hampshire, Durham, NH (United States); Southwest Research Inst. (SwRI), San Antonio, TX (United States); Univ. of Texas, San Antonio, TX (United States)
  2. Univ. of New Hampshire, Durham, NH (United States)
  3. Chinese Academy of Sciences, Beijing (China)
  4. Max-Plank-Inst. for Extraterrestrial Physics, Garching (Germany)
  5. Rutherford Appleton Lab., Oxfordshire (United Kingdom)
  6. Swedish Institute of Space Physics (IRF), Uppsala (Sweden)
  7. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Electromagnetic ion cyclotron (EMIC) waves are an important mechanism for particle energization and losses inside the magnetosphere. In order to better understand the effects of these waves on particle dynamics, detailed information about the occurrence rate, wave power, ellipticity, normal angle, energy propagation angle distributions, and local plasma parameters are required. Previous statistical studies have used in situ observations to investigate the distribution of these parameters in the magnetic local time versus L-shell (MLT-L) frame within a limited magnetic latitude (MLAT) range. In our study, we present a statistical analysis of EMIC wave properties using 10 years (2001–2010) of data from Cluster, totaling 25,431 min of wave activity. Due to the polar orbit of Cluster, we are able to investigate EMIC waves at all MLATs and MLTs. This allows us to further investigate the MLAT dependence of various wave properties inside different MLT sectors and further explore the effects of Shabansky orbits on EMIC wave generation and propagation. Thus, the statistical analysis is presented in two papers. OUr paper focuses on the wave occurrence distribution as well as the distribution of wave properties. The companion paper focuses on local plasma parameters during wave observations as well as wave generation proxies.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
NNX11AO82G; NNX11AB65G; 967399; AC52-06NA25396
OSTI ID:
1215508
Report Number(s):
LA-UR-14-25307
Journal Information:
Journal of Geophysical Research. Space Physics, Vol. 120, Issue 7; ISSN 2169-9380
Publisher:
American Geophysical UnionCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 129 works
Citation information provided by
Web of Science

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Cited By (14)

A New N + Band of Electromagnetic Ion Cyclotron Waves in Multi‐Ion Cold Plasmas journal October 2018
Variations of oxygen charge state abundances in the global magnetosphere, as observed by Polar journal February 2016
Wavenumber Analysis of EMIC Waves journal June 2019
Magnetospheric Multiscale Observation of Quasiperiodic EMIC Waves Associated With Enhanced Solar Wind Pressure journal July 2019
Propagation of EMIC Waves Inside the Plasmasphere: A Two‐Event Study journal November 2019
Pacific trade winds accelerated by aerosol forcing over the past two decades journal April 2016
Properties of Localized Precipitation of Energetic Protons Equatorward of the Isotropic Boundary journal October 2019
EMIC Wave‐Driven Bounce Resonance Scattering of Energetic Electrons in the Inner Magnetosphere journal April 2019
Analyzing EMIC Waves in the Inner Magnetosphere Using Long‐Term Van Allen Probes Observations journal September 2019
Storm Time EMIC Waves Observed by Swarm and Van Allen Probe Satellites journal January 2019
Generation of EMIC Waves and Effects on Particle Precipitation During a Solar Wind Pressure Intensification With B z >0 journal June 2019
Large‐Scale Ducting of Pc1 Pulsations Observed by Swarm Satellites and Multiple Ground Networks journal December 2018
MMS Measurements and Modeling of Peculiar Electromagnetic Ion Cyclotron Waves journal November 2019
Examining Wave Vector and Minimum Cyclotron Resonant Electron Energy of EMIC Waves With Magnetospheric Multiscale Mission journal October 2018

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