YY
Member Since 2007
Yiqun Yu
Professor, Beihang University
AGU Research
Search
Filters
Clear All
Global Distribution of EMIC Waves and Its Association to Subauroral Proton Precipitation During the 27 May 2017 Storm: Modeling and Multipoint Observations
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
29 may 2024
Shreedevi P. Radhakrishna, Yiqun Yu, Yoshizumi Miy...
Recent simulation studies using the RAM‐SCB model showed that proton precipitation contributes significantly to the total energy flux deposit...
Simulating the Ring Current Proton Dynamics in Response to Radial Diffusion by Ultra‐Low‐Frequency (ULF) Waves
GEOPHYSICAL RESEARCH LETTERS
21 march 2024
Longxing Ma, Yiqun Yu, Wenlong Liu, Jinbin Cao, Yo...
Radial diffusion (RD) induced by ULF waves can contribute to particle acceleration and scattering. Past global simulations that incorporate RD ofte...
EMIC wave activity in the inner magnetosphere associated with solar wind dynamic pressure variations: Global modeling and observations
ONLINE POSTER SESSION FOR SPA: MAGNETOSPHERIC PHYSICS I
spa-magnetospheric physics | 22 january 2024
Shreedevi P. Radhakrishna, Yoshizumi Miyoshi, Yiqu...
Electro Magnetic Ion Cyclotron (EMIC) waves are known to occur naturally from the temperature anisotropy of protons. The two main driving mechanisms f...
View Abstract
Simulating ring current proton precipitation in response to waves in different scales
RING CURRENT DYNAMICS AND ITS COUPLING WITH OTHER PARTICLE POPULATIONS I POSTER
spa-magnetospheric physics | 13 december 2023
Longxing Ma, Yiqun Yu
ULF and EMIC waves with different times scales in the magnetosphere are believed to contribute, either indirectly or directly, to particle scattering ...
View Abstract
On the Particle Motion in Paleo‐Magnetosphere During the Geomagnetic Polarity Reversal
GEOPHYSICAL RESEARCH LETTERS
21 june 2023
Fan Gong, Yiqun Yu, Kun Bai, Jinbin Cao, Yong Wei
During the Earth's magnetic reversal, the dipole component of the magnetic field weakens, and the non‐dipole component becomes dominant, resu...
Ionospheric Modulation by EMIC Wave‐Driven Proton Precipitation: Observations and Simulations
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
24 january 2023
Xingbin Tian, Yiqun Yu, Fan Gong, Longxing Ma, Jin...
Protons of tens of keV can be resonantly scattered by electromagnetic ion cyclotron (EMIC) waves excited in the magnetosphere, resulting in proton ...
EMIC wave induced proton precipitation during the 27-28 May 2017 storm: Comparison of BATSRUS+RAM-SCB simulations with ground/space based observations
NONLINEAR WAVE-PARTICLE INTERACTION IN THE EARTH'S MAGNETOSPHERE III ONLINE POSTER DISCUSSION
spa-magnetospheric physics | 16 december 2022
Shreedevi P. Radhakrishna, Yiqun Yu, Yoshizumi Miy...
Electro Magnetic Ion Cyclotron (EMIC) waves are known to cause the ion precipitation into the mid-latitude ionosphere during geomagnetic storms. Recen...
View Abstract
The role of magnetic flux rope in ion acceleration: MHD simulations and test particle tracing
GLOBAL AND MICRO-SCALE CONSEQUENCES OF MESOSCALE MAGNETOTAIL DYNAMICS I ONLINE POSTER DISCUSSION
spa-magnetospheric physics | 15 december 2022
Kun Bai, Yiqun Yu, Huishan Fu, Fan Gong, Jinbin Ca...
Magnetic flux ropes (MFRs), playing a crucial role in particle energization andenergy transport in the solar-terrestrial space, are helical structures...
View Abstract