Binbin Ni
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View article: Competing mechanisms of radial and local diffusion in radiation belt electron dynamics during quiet-geomagnetic conditions
Competing mechanisms of radial and local diffusion in radiation belt electron dynamics during quiet-geomagnetic conditions Open
View article: Cross‐Calibrated FY‐4A and GOES‐15 Data for >2 MeV Electron Flux Prediction at Geosynchronous Orbit: A Machine Learning Approach
Cross‐Calibrated FY‐4A and GOES‐15 Data for >2 MeV Electron Flux Prediction at Geosynchronous Orbit: A Machine Learning Approach Open
High‐energy electrons in Earth's outer radiation belt pose a significant threat to orbiting spacecraft, accurately forecasting these fluxes is crucial for mitigating potential damage. Therefore, it is necessary to fuse data from different …
View article: Interpolating Electron Diffusion Coefficients in Earth's Radiation Belts: A Neural Network Model Inspired by Video Frame Interpolation
Interpolating Electron Diffusion Coefficients in Earth's Radiation Belts: A Neural Network Model Inspired by Video Frame Interpolation Open
Many numerical models have been built to uncover the physical mechanisms governing radiation belt dynamics and enable real‐time forecasting. The diffusion coefficient, as a critical input for these models, is usually obtained through linea…
View article: Statistical Analysis of ∼100 Hz Whistler-mode Waves near the Moon Using ARTEMIS Observations
Statistical Analysis of ∼100 Hz Whistler-mode Waves near the Moon Using ARTEMIS Observations Open
Utilizing 11 yr of Acceleration, Reconnection, Turbulence, and Electrodynamics of the Moon’s Interaction with the Sun P1 and P2 observations from 2013 to 2023, we perform a comprehensive statistical analysis of ∼100 Hz whistler-mode waves …
View article: Correlation Between Radiation Enhancements at Aviation Altitudes and Energetic Precipitating Electrons
Correlation Between Radiation Enhancements at Aviation Altitudes and Energetic Precipitating Electrons Open
The campaign of Automated Radiation Measurements for Aerospace Safety (ARMAS) has revealed that relativistic electron precipitation (REP) from the radiation belts can significantly enhance the radiation environment at aviation altitudes, i…
View article: Distinct Global Distribution of Electrostatic Electron Cyclotron Harmonic Waves in Earth's Magnetosphere Revealed by Multi‐Satellite Observations
Distinct Global Distribution of Electrostatic Electron Cyclotron Harmonic Waves in Earth's Magnetosphere Revealed by Multi‐Satellite Observations Open
Electrostatic electron cyclotron harmonic (ECH) waves have been analyzed using different satellite data. However, single‐mission studies prevent a systematic understanding of the emissions in Earth's magnetosphere. We perform a comprehensi…
View article: CausalTemporalCraft: A Computational Analytics Framework for Manufacturing Craftsmanship Spirit Cultivation via Lewin’s Field Dynamics and Multi-Dimensional Collaboration
CausalTemporalCraft: A Computational Analytics Framework for Manufacturing Craftsmanship Spirit Cultivation via Lewin’s Field Dynamics and Multi-Dimensional Collaboration Open
This research propose CausalTemporalCraft, a computational analytics framework that models the cultivation of craftsmanship spirit in manufacturing enterprises through multi-dimensional collaboration, grounded in Lewin’s field dynamics the…
View article: Intelli-Dispatch-SQL: An LLM-based agent for reliable Text-to-SQL in power dispatching
Intelli-Dispatch-SQL: An LLM-based agent for reliable Text-to-SQL in power dispatching Open
View article: A slot region in the magnetosphere of Jupiter
A slot region in the magnetosphere of Jupiter Open
Understanding the balance between charged particle acceleration and loss is central to radiation belt research. Jupiter’s Galilean moons orbit within its intense radiation environment and can act both as sources and sinks of energetic part…
View article: Rocket-Induced Lower Ionosphere Disturbances Derived from Measurements of VLF Transmitter Signals
Rocket-Induced Lower Ionosphere Disturbances Derived from Measurements of VLF Transmitter Signals Open
Rocket launch can induce large-scale atmospheric disturbances, which were mainly investigated using measurements of total electron content (TEC) in previous studies. In this study, we report the perturbations in Very-Low-Frequency (VLF) tr…
View article: Dependence of Martian Proton Precipitation On IMF Orientation: Hybrid Simulations
Dependence of Martian Proton Precipitation On IMF Orientation: Hybrid Simulations Open
The small Martian induced magnetosphere sometimes fails to completely screen the solar wind from precipitating on the exobase. The precipitating protons may serve as an additional mass, momentum and energy coupling channel between the Mart…
View article: Characteristics of Counter-Streaming Ions at Comet 67P
Characteristics of Counter-Streaming Ions at Comet 67P Open
Rosetta measurements at comet 67P revealed ion speeds of 5–10 km/s, far exceeding the observed speed of the neutral gas of 0.5–1 km/s. Models assuming an ion speed similar to the neutral gas also give good agreement with measurements of io…
View article: Penetration of Plasmapause Surface Waves Into the Plasmaspheric Plume
Penetration of Plasmapause Surface Waves Into the Plasmaspheric Plume Open
Plasmapause surface waves (PSWs) and plasmaspheric plumes are two crucial phenomena of magnetosphere‐ionosphere coupling system in response to geomagnetic disturbances. However, it remains elusive what the potential interaction exists betw…
View article: WACCM Simulation of Polar Ozone Response to Relativistic Electron Precipitation
WACCM Simulation of Polar Ozone Response to Relativistic Electron Precipitation Open
Various studies have been dedicated to quantifying the atmospheric chemical effects of energetic electron precipitation (EEP), but the contribution from relativistic electron precipitation (REP) was largely overlooked. Based on the precipi…
View article: Spatial Distribution and Geomagnetic Dependence of Radiation Belt Electron Reversed Energy Spectrum
Spatial Distribution and Geomagnetic Dependence of Radiation Belt Electron Reversed Energy Spectrum Open
Using high‐quality electron measurements from Van Allen Probes during October 2013 and March 2019, this study investigates the spatial distribution and geomagnetic dependence of the electron reversed energy spectrum in the Earth's radiatio…
View article: Application of Ensemble Kalman Filter With Covariance Localization in Data Assimilation of Radiation Belt Electrons
Application of Ensemble Kalman Filter With Covariance Localization in Data Assimilation of Radiation Belt Electrons Open
Data assimilation aims to enhance the system state estimate by merging sparse and diverse measurements with physical models, while considering their individual uncertainties. As a highly promising data assimilation technique, Ensemble Kalm…
View article: Can ECH Wave Scattering Explain the Unaccounted Electron Loss During the 17 March 2013 Geomagnetic Storm?
Can ECH Wave Scattering Explain the Unaccounted Electron Loss During the 17 March 2013 Geomagnetic Storm? Open
The interaction of electrons with electrostatic electron cyclotron harmonic (ECH) waves in the Earth's magnetosphere can lead to the scattering of plasma sheet electrons into the atmospheric loss cone, affecting the evolution of electron p…
View article: A Generation Mechanism of Banded Plasmaspheric Hiss
A Generation Mechanism of Banded Plasmaspheric Hiss Open
As a unique structure of plasmaspheric hiss emissions, banded hiss waves generally consist of an upper band above ∼200 Hz, a lower band below ∼100 Hz and a power gap in between. However, the generation mechanism of banded hiss remains uncl…
View article: Spatial Distribution of Ion Cyclotron Waves at Io
Spatial Distribution of Ion Cyclotron Waves at Io Open
Ion cyclotron waves at Io are important for understanding the complex interactions between Io and Jupiter's magnetosphere. In this study, we analyze the spatial distributions of ion cyclotron waves at Io using data from seven close flybys …
View article: Long-term enhancing of Jupiter’s electrostatic waves as diagnostic of Io’s mass loading activity
Long-term enhancing of Jupiter’s electrostatic waves as diagnostic of Io’s mass loading activity Open
http://dx.doi.org/10.13039/501100012166 National Key Research and Development Program of China
View article: Resonant Scattering of Radiation Belt Electrons by Saturnian Z‐Mode Waves
Resonant Scattering of Radiation Belt Electrons by Saturnian Z‐Mode Waves Open
We investigated the resonant interactions between Z‐mode waves and radiation belt electrons at Saturn via constructing an empirical model of the frequency spectral and wave normal angle distributions of 5 and 20 kHz Saturnian Z‐mode waves …
View article: Measurements and Modeling of Electron Precipitation Induced by the Ionospheric Heating Experiment
Measurements and Modeling of Electron Precipitation Induced by the Ionospheric Heating Experiment Open
Through the emission of high‐frequency radio waves, ground‐based heating facilities can generate Extremely‐Low‐Frequency (ELF) and Very‐Low‐Frequency (VLF) waves in the ionosphere, a portion of which can penetrate into the Earth's radiatio…
View article: Dynamics of Ultra‐Relativistic Electrons on 19 December 2015: Combinations of Adiabatic and Non‐Adiabatic Effects
Dynamics of Ultra‐Relativistic Electrons on 19 December 2015: Combinations of Adiabatic and Non‐Adiabatic Effects Open
Due to solar wind‐magnetosphere coupling, energetic electron fluxes in the outer radiation belt are profoundly influenced by enhanced solar activities. Utilizing observations from Van Allen Probes (VAPs) and low Earth orbit MetOp‐02, here …
View article: Predicting the Spatial Distribution of VLF Transmitter Signals Using Transfer Learning Models
Predicting the Spatial Distribution of VLF Transmitter Signals Using Transfer Learning Models Open
The D-region ionosphere (60–100 km altitude) is critical for radio communication and space weather research but cannot be easily measured because it is too low for satellites and too high for balloons. The most effective technique is to re…
View article: Nighttime Tweek Characteristics in Mid–Low Latitudes: Insights from Long-Term VLF Observations in China
Nighttime Tweek Characteristics in Mid–Low Latitudes: Insights from Long-Term VLF Observations in China Open
An improved method for identifying nighttime tweek signals in WHU VLF measurements was developed by redesigning the extraction process and validated through comparison with World-Wide Lightning Location Network (WWLLN) data. Using the enha…
View article: Modulation of suprathermal electron fluxes by ultra-low-frequency magnetic field fluctuations in the Martian foreshock
Modulation of suprathermal electron fluxes by ultra-low-frequency magnetic field fluctuations in the Martian foreshock Open
Ultra-low-frequency (ULF) waves are ubiquitous in terrestrial and planetary environments, playing a crucial role in energy transfer and dissipation through wave–particle interactions within space plasmas. By performing a detailed event stu…
View article: Earth‐Based Transmitters Trigger Precipitation of Inner Radiation Belt Electrons: Unveiling Observations and Modeling Results
Earth‐Based Transmitters Trigger Precipitation of Inner Radiation Belt Electrons: Unveiling Observations and Modeling Results Open
Human activity influence Earth's environment, including the space environment hundreds to thousands of kilometers above the Earth. One direct evidence is that the 19.8 kHz electromagnetic signals launched by the North West Cape (NWC) trans…
View article: On the Relationship Between the Banded Hiss Distribution and Plasmapause Location: A Survey of Van Allen Probes Observations
On the Relationship Between the Banded Hiss Distribution and Plasmapause Location: A Survey of Van Allen Probes Observations Open
The plasmapause is the outer boundary of the plasmasphere and plays a crucial role in the propagation of plasma waves. We statistically investigate the relationship between the distribution of banded hiss and plasmapause locations. Wave po…
View article: Generation of 30 s Waves Observed Upstream of the Martian Bow Shock: A Case Study
Generation of 30 s Waves Observed Upstream of the Martian Bow Shock: A Case Study Open
The foreshock region filled with turbulences is a natural lab for studying interactions between plasma and waves. The underlying processes are vital for dissipating the energy carried by the solar wind into the Martian environment. In this…
View article: Dynamic Responses of Outer Radiation Belt Electron Phase Space Densities to Geomagnetic Storms: A Statistical Analysis Based on Van Allen Probes Observations
Dynamic Responses of Outer Radiation Belt Electron Phase Space Densities to Geomagnetic Storms: A Statistical Analysis Based on Van Allen Probes Observations Open
Using Van Allen Probes observations from September 2012 to June 2019, we statistically investigate responses of the Earth's outer radiation belt electron phase space densities (PSDs) in the adiabatic invariant coordinates to isolated geoma…