Results 71 to 80 of about 30,333 (190)

An Empirical Model of the Equatorial Electron Pitch Angle Distributions in Earth's Outer Radiation Belt

Space Weather, 2022
In this study, we present an empirical model of the equatorial electron pitch angle distributions (PADs) in the outer radiation belt based on the full data set collected by the Magnetic Electron Ion Spectrometer (MagEIS) instrument onboard the Van Allen ...
Artem Smirnov, Yuri Y. Shprits, Hayley Allison, Nikita Aseev, Alexander Drozdov, Peter Kollmann, Dedong Wang, Anthony Saikin   +7 more
doaj   +1 more source

Energetic, relativistic and ultra-relativistic electrons: Comparison of long-term VERB code simulations with Van Allen Probes measurements [PDF]

, 2015
In this study, we compare long-term simulations performed by the Versatile Electron Radiation Belt (VERB) code with observations from the Magnetic Electron Ion Spectrometer and Relativistic Electron-Proton Telescope instruments on the Van Allen Probes ...
Agapitov, Albert, Artemyev, Artemyev, Baker, Baker, Blake, Boyd, Brautigam, Carpenter, Cattell, Cully, Denton, Denton, Glauert, Green, Horne, Kennel, Kim, Kim, Kim, Kim, Li, Li, Mauk, Millan, O'Brien, O'Brien, Orlova, Reeves, Reeves, Reeves, Roederer, Rothwell, Russell, Schulz, Shprits, Shprits, Shprits, Shprits, Shprits, Shprits, Shprits, Shprits, Spence, Stratton, Su, Subbotin, Subbotin, Subbotin, Summers, Thorne, Thorne, Thorne, Tsyganenko, Tu, Tu, Tu, Turner, Ukhorskiy, Usanova, Vampola, Van Allen, Vernov   +63 more
core   +3 more sources

Van Allen Probes show that the inner radiation zone contains no MeV electrons: ECT/MagEIS data [PDF]

, 2015
We present Van Allen Probe observations of electrons in the inner radiation zone. The measurements were made by the Energetic Particle, Composition, and Thermal Plasma/Magnetic Electron Ion Spectrometer (MagEIS) sensors that were designed to measure ...
D. N. Baker, G. D. Reeves, H. E. Spence, Hess W. N., J. B. Blake, J. F. Fennell, J. H. Clemmons, S. G. Claudepierre, T. P. O'Brien   +8 more
core   +3 more sources

Electron acceleration in the Van Allen radiation belts by fast magnetosonic waves [PDF]

Geophysical Research Letters, 2007
Local acceleration is required to explain electron flux increases in the outer Van Allen radiation belt during magnetic storms. Here we show that fast magnetosonic waves, detected by Cluster 3, can accelerate electrons between ∼10 keV and a few MeV inside the outer radiation belt.
Horne, Richard B., Thorne, Richard M., Glauert, Sarah A., Meredith, Nigel P., Pokhotelov, Dimitry, Santolik, Ondrej   +5 more
openaire   +2 more sources

VAMPIRE: Using a Random Forest to Forecast Earth's Outer Van Allen Radiation Belt

Space Weather
The outer Van Allen radiation belt is highly dynamic in both strength and location, being driven by several distinct physical processes, making it difficult to predict for spacecraft operators.
D. J. Weston, I. J. Rae, A. W. Smith, K. R. Murphy, C. E. J. Watt, F. X. Bocquet, S. Bingham, E. M. Henley   +7 more
doaj   +1 more source

Forecast of the Energetic Electron Environment of the Radiation Belts

Space Weather, 2022
Different modeling methodologies possess different strengths and weakness. For instance, data based models may provide superior accuracy but have a limited spatial coverage while physics based models may provide lower accuracy but provide greater spatial
Simon N. Walker, Richard J. Boynton, Yuri Y. Shprits, Michael A. Balikhin, Alexander Y. Drozdov   +4 more
doaj   +1 more source

Generation of extremely low frequency chorus in Van Allen radiation belts

Journal of Geophysical Research: Space Physics, 2017
AbstractRecent studies have shown that chorus can efficiently accelerate the outer radiation belt electrons to relativistic energies. Chorus, previously often observed above 0.1 equatorial electron gyrofrequency fce, was generated by energetic electrons originating from Earth's plasma sheet.
Fuliang Xiao, Si Liu, Xin Tao, Zhenpeng Su, Qinghua Zhou, Chang Yang, Zhaoguo He, Yihua He, Zhonglei Gao, D. N. Baker, H. E. Spence, G. D. Reeves, H. O. Funsten, J. B. Blake   +13 more
openaire   +2 more sources

Space radiation- a compilation and discussion [PDF]

Space radiation - van allen belt, galactic cosmic radiation, solar wind & flares, and photon radiation with regard to apollo ...
Roberts, W. T.
core   +1 more source

Van Allen Probes observations linking radiation belt electrons to chorus waves during 2014 multiple storms [PDF]

, 2015
During 18 February to 2 March 2014, the Van Allen Probes encountered multiple geomagnetic storms and simultaneously observed intensified chorus and hiss waves. During this period, there were substantial enhancements in fluxes of energetic (53.8–108.3 keV)
Baker, D. N., Blake, J. B., Funsten, H. O., He, Yihua, Hospodarsky, G. B., Kletzing, C A., Kurth, W. S., Liu, Si, Reeves, Geoffrey, Spence, Harlan E., Wygant, J. R., Xiao, Fuliang, Yang, Chang, Zhou, Qinghua   +13 more
core   +3 more sources

A summary of the OV1-19 satellite dose, depth dose, and linear energy transfer spectral measurements [PDF]

, 1972
Measurements of the biophysical and physical parameters in the near earth space environment, specifically, the Inner Van Allen Belt are discussed. This region of space is of great interest to planners of the Skylab and the Space Station programs because ...
Cervini, J. T.
core   +1 more source