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Global-scale simulation of foreshock structures at the quasi-parallel bow shock 

Lin, Yu; 0000-0001-8003-9252 (2020-06-18)
A two-dimensional, global-scale hybrid simulation is carried out to study the kinetic structure of the quasi-parallel bow shock. In the simulation the bow shock forms by the interaction of the supersonic solar wind and the ...

A growing importance of large fires in conterminous United States during 1984-2012 

Yang, Jia; Tian, Hanqin; Tao, Bo; Ren, Wei; Pan, Shufen; Liu, Yongqiang; Wang, Yuhang; 0000-0003-2019-9603; 0000-0002-1806-4091; 0000-0002-7290-2551; 0000-0002-4840-4835 (2022-12-01)
Fire frequency, extent, and size exhibit a strong linkage with climate conditions and play a vital role in the climate system. Previous studies have shown that the frequency of large fires in the western United States ...

Hall effect control of magnetotail dawn-dusk asymmetry: A three-dimensional global hybrid simulation 

Lu, San; Lin, Y.; Angelopoulos, V.; Artemyev, A. V.; Pritchett, P. L.; Lu, Quanming; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-03)
Magnetotail reconnection and related phenomena (e.g., flux ropes, dipolarizing flux bundles, flow bursts, and particle injections) occur more frequently on the duskside than on the dawnside. Because this asymmetry can ...

Hall effect control of magnetotail dawn-dusk asymmetry: A three-dimensional global hybrid simulation 

Lu, San; Lin, Y.; Angelopoulos, V; Artemyev, A; Pritchett, P; Lu, Quanming; Wang, X; 0000-0003-3041-2682; 0000-0003-2085-1171 (2022-10-27)
Magnetotail reconnection and related phenomena (e.g., flux ropes, dipolarizing flux bundles, flow bursts, and particle injections) occur more frequently on the duskside than on the dawnside. Because this asymmetry can ...

The Hall Electric Field in Earth's Magnetotail Thin Current Sheet 

Lu, San; Artemyev, A., V; Angelopoulos, V; Lin, Y; Zhang, X-J; Liu, J.; Avanov, L.A.; Giles, B. L.; Russell, C. T.; Strangeway, R. J. (2020-05-28)
One of the most important properties of Earth's magnetotail thin current sheet (TCS) is that its current is predominantly contributed by magnetized electrons. The Hall electric field, normal to the TCS and generated by ...

Hybrid simulation of foreshock waves and ion spectra and their linkage to cusp energetic ions 

Wang, X. Y.; Lin, Y.; Chang, S. -W.; 0000-0001-5533-5981; 0000-0001-8003-9252 (2020-06-16)
A three-dimensional global hybrid simulation is carried out to investigate energetic ions and electromagnetic waves in the quasi-parallel (Q-parallel to) bow shock and cusp for a typical interplanetary magnetic field ...

Hybrid simulation of foreshock waves and ion spectra and their linkage to cusp energetic ions 

Wang, X.Y.; Lin, Y.; Chang, S.W. (2022-10-25)
A three-dimensional global hybrid simulation is carried out to investigate energetic ions and electromagnetic waves in the quasi-parallel (Q-∥) bow shock and cusp for a typical interplanetary magnetic field configuration ...

Hybrid simulation of foreshock waves and ion spectra and their linkage to cusp energetic ions 

Wang, X; Lin, Y; Chang, S (2022-10-25)
A three-dimensional global hybrid simulation is carried out to investigate energetic ions and electromagnetic waves in the quasi-parallel (Q-parallel to) bow shock and cusp for a typical interplanetary magnetic field ...

Hybrid simulation of mode conversion at the magnetopause 

Lin, Y.; Johnson, J. R.; Wang, X. Y.; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-16)
Two-dimensional hybrid simulations are used to investigate how fast-mode compressional waves incident on a magnetopause current layer mode convert both linearly and nonlinearly to short wavelength (k(perpendicular to)rho(i) ...

Intermediate shocks in three-dimensional magnetohydrodynamic bow-shock flows with multiple interacting shock fronts 

Cable, S.; Lin, Y.; Holloway, J. L.; 0000-0001-8003-9252 (2020-06-18)
Previous MHD simulations predict that when switch-on shock conditions obtain in the solar wind, the bow shock produced in front of an ellipsoidal obstacle will produce a unique bow shock configuration that includes a concave ...

Intermediate shocks in three-dimensional magnetohydrodynamic bow-shock flows with multiple interacting shock fronts 

Cable, S; Lin, Y; Holloway, J (2022-11-08)
Previous MHD simulations predict that when switch-on shock conditions obtain in the solar wind, the bow shock produced in front of an ellipsoidal obstacle will produce a unique bow shock configuration that includes a concave ...

Investigation of storm time magnetotail and ion injection using three-dimensional global hybrid simulation 

Lin, Y.; Wang, X. Y.; Lu, S.; Perez, J. D.; Lu, Q.; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-05)
Dynamics of the near-Earth magnetotail associated with substorms during a period of extended southward interplanetary magnetic field is studied using a three-dimensional (3-D) global hybrid simulation model that includes ...

Investigation of storm timemagnetotail and ion injection using three-dimensional global hybrid simulation 

Lin, Y; Wang, X; Lu, S; Perez, J; Lu, Q (2022-09-29)
Dynamics of the near-Earth magnetotail associated with substorms during a period of extended southward interplanetary magnetic field is studied using a three-dimensional (3-D) global hybrid simulation model that includes ...

Investigation of the Interaction Between Magnetosheath Reconnection and Magnetopause Reconnection Driven by Oblique Interplanetary Tangential Discontinuity Using Three-Dimensional Global Hybrid Simulation 

Guo, Zhifang; Yu, Lin; Xueyi, Wang; 0000-0002-3728-6319 (2022-09-28)
Magnetosheath reconnection due to the interaction of an interplanetary directional discontinuity with the bow shock and Earth's magnetosphere under an initially northward interplanetary magnetic field (IMF) has been ...

Ion Acceleration Inside Foreshock Transients 

Liu, Terry Z.; Lu, San; Angelopoulos, Vassilis; Lin, Yu; Wang, X. Y.; 0000-0001-8003-9252 (2020-05-28)
Recent observations upstream of Earth's bow shock have revealed that foreshock transients can not only accelerate solar wind ions by reflection at their upstream boundaries but may also accelerate ions inside them. Evidence ...

Ion Bernstein instability as a possible source for oxygen ion cyclotron harmonic waves 

Min, Kyungguk; Denton, Richard E.; Liu, Kaijun; Gary, S. Peter; Spence, Harlan E.; 0000-0001-5882-1328 (2020-06-01)
This paper demonstrates that an ion Bernstein instability can be a possible source for recently reported electromagnetic waves with frequencies at or near the singly ionized oxygen ion cyclotron frequency, Omega(+)(O), and ...

Ion Bernstein instability dependence on the proton-to-electron mass ratio: Linear dispersion theory 

Min, Kyungguk; Liu, Kaijun; 0000-0001-5882-1328 (2022-10-04)
Fast magnetosonic waves, which have as their source ion Bernstein instabilities driven by tenuous ring-like proton velocity distributions, are frequently observed in the inner magnetosphere. One major difficulty in the ...

Ion Bernstein instability dependence on the proton-to-electron mass ratio: Linear dispersion theory 

Min, Kyungguk; Liu, Kaijun; 0000-0002-2095-8529; 0000-0001-5882-1328 (2020-06-03)
Fast magnetosonic waves, which have as their source ion Bernstein instabilities driven by tenuous ring-like proton velocity distributions, are frequently observed in the inner magnetosphere. One major difficulty in the ...

The ion temperature gradient: An intrinsic property of Earth's magnetotail 

Lu, San; Artemyev, A. V.; Angelopoulos, Vassilis; Lin, Yu; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-01)
Although the ion temperature gradient along (X GSM) and across (Z GSM) the Earth's magnetotail, which plays a key role in generating the cross‐tail current and establishing pressure balance with the lobes, has been extensively ...

The ion temperature gradient: An intrinsic property of Earth's magnetotail 

Lu, San; Artemyev, A; Angelopoulos, V; Lin, Y; Wang, X (2022-11-01)
Although the ion temperature gradient along (X-GSM) and across (Z(GSM)) the Earth's magnetotail, which plays a key role in generating the cross-tail current and establishing pressure balance with the lobes, has been ...