Kevin Pham
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Genotype-stratified adjunctive dexamethasone for tuberculous meningitis in HIV-negative adults: a randomized controlled phase 3 trial Open
Adjunctive corticosteroids such as dexamethasone are recommended in tuberculous meningitis treatment, despite modest and heterogeneous survival benefit. Leukotriene A4 hydrolase ( LTA4H ) genotypes associate with distinct intracerebral inf…
View article: CO Oxidation in the Venusian Mesosphere and Associated Isotopic Fingerprints Enabling Detection and Chemical Mechanism Insights
CO Oxidation in the Venusian Mesosphere and Associated Isotopic Fingerprints Enabling Detection and Chemical Mechanism Insights Open
Venus has a thick atmosphere with many of its chemical and photochemical processes yet to be fully understood. While it mainly consists of relatively inert CO₂ and N₂, the trace gases, which include chlorine and sulfur compounds, are respo…
View article: Formation of the Bubble‐Like Ionospheric Super‐Depletion Structure (BLISS): MAGE Simulation of the September, 2017 Storm
Formation of the Bubble‐Like Ionospheric Super‐Depletion Structure (BLISS): MAGE Simulation of the September, 2017 Storm Open
This study investigates the formation of a newly identified storm‐time ionospheric phenomenon, the bubble‐like ionospheric super‐depletion structure (BLISS) in F‐region plasma densities. The observed BLISS initiates from the magnetic dip e…
View article: The NCAR-TIEGCM Version 3.0
The NCAR-TIEGCM Version 3.0 Open
A new version of the US National Science Foundation National Center for Atmospheric Research (NSF NCAR) thermosphere-ionosphere-electrodynamics general circulation model (TIEGCM) has been developed and released. This paper describes the ch…
View article: Ground Magnetic Response to an Extraordinary IMF <i>B</i><sub><i>Y</i></sub> Flip During the May 2024 Storm: Travel Time From the Magnetosheath to Dayside High Latitudes
Ground Magnetic Response to an Extraordinary IMF <i>B</i><sub><i>Y</i></sub> Flip During the May 2024 Storm: Travel Time From the Magnetosheath to Dayside High Latitudes Open
In the present study we investigate the response of the dayside ground magnetic field to the sequence of interplanetary magnetic field (IMF) B Y changes during the May 2024 geomagnetic storm. We pay particular attention to its extraordinar…
View article: Hand, foot and mouth disease with encephalomyelitis in adult: A case report
Hand, foot and mouth disease with encephalomyelitis in adult: A case report Open
Hand, foot and mouth disease (HFMD) complications rarely develop in adults. We present a case of a 21-year-old woman with an acute onset of impaired consciousness, ptosis, and limb weakness. She had a history of close contact with an HFMD …
View article: Penetrating Electric Field With/Without Disturbed Electric Fields During the 7–8 July 2022 Geomagnetic Storm Simulated by MAGE and Observed by ICON MIGHTI
Penetrating Electric Field With/Without Disturbed Electric Fields During the 7–8 July 2022 Geomagnetic Storm Simulated by MAGE and Observed by ICON MIGHTI Open
Penetrating and disturbed electric fields develop during geomagnetic storms and are effective in driving remarkable changes in the nightside low latitude ionosphere over varying time periods. While the former arrive nearly instantaneously …
View article: Understanding stormtime geospace as a complex, coupled system: Recent progress from the Center for Geospace Storms
Understanding stormtime geospace as a complex, coupled system: Recent progress from the Center for Geospace Storms Open
The Center for Geospace Storms (CGS) is a NASA DRIVE Science Center focused on geospace science. CGS is pursuing the goal of developing an understanding of the stormtime geospace as a complex system exhibiting strong coupling across physic…
View article: The 24th Annual Meeting of the Rocky Mountain Virology Association
The 24th Annual Meeting of the Rocky Mountain Virology Association Open
Located in the Rocky Mountains within the Arapahoe and Roosevelt National Forests, Colorado State University’s Mountain Campus in Pingree Park hosted the 24th Annual Rocky Mountain Virology Association’s meeting in 2024. A total of 165 par…
View article: SubAuroral Red Arcs Generated by Inner Magnetospheric Heat Flux and by SubAuroral Polarization Streams
SubAuroral Red Arcs Generated by Inner Magnetospheric Heat Flux and by SubAuroral Polarization Streams Open
Subauroral red (SAR) arcs are commonly observed ionospheric red line emissions. They are usually attributed to subauroral electron heating by inner magnetospheric heat flux (IMHF). However, the role of IMHF in changing the ionosphere‐therm…
View article: A fresh look into the interaction of exoplanets magnetosphere with stellar winds using MHD simulations
A fresh look into the interaction of exoplanets magnetosphere with stellar winds using MHD simulations Open
Numerous numerical studies have been carried out in recent years that simulate different aspects of exoplanets’ magnetosphere and stellar winds. These studies have focused primarily on hot Jupiters with sun-like stars. This study addresses…
View article: Validation of Simulated Statistical Characteristics of Magnetosphere‐Ionosphere Coupling in Global Geospace Simulations Over an Entire Carrington Rotation
Validation of Simulated Statistical Characteristics of Magnetosphere‐Ionosphere Coupling in Global Geospace Simulations Over an Entire Carrington Rotation Open
We study the statistical features of magnetosphere‐ionosphere (M‐I) coupling using a two‐way M‐I model, the GT configuration of the Multiscale Atmosphere Geospace Environment (MAGE) model. The M‐I coupling characteristics, such as field‐al…
View article: A Fresh Look into the Interaction of Exoplanets Magnetosphere with Stellar Winds using MHD Simulations
A Fresh Look into the Interaction of Exoplanets Magnetosphere with Stellar Winds using MHD Simulations Open
Numerous numerical studies have been carried out in recent years that simulate different aspects of exoplanets' magnetosphere and stellar winds. These studies have focused primarily on hot Jupiters with sun-like stars. This study addresses…
View article: Examining Interhemispheric Properties of the Cusp
Examining Interhemispheric Properties of the Cusp Open
The magnetospheric cusp is a narrow region of geospace where the solar wind has direct access to the ionosphere and thermosphere. The low-altitude projection of the cusp is a site of concentrated energy dissipation, which leads to extraord…
View article: Characterizing auroral precipitation and ionospheric conductance with the Dragon King model in MAGE
Characterizing auroral precipitation and ionospheric conductance with the Dragon King model in MAGE Open
Auroral precipitation plays an important role in the magnetosphere-ionosphere-thermosphere (MIT) coupling. Various precipitation spectra have been observed and they are driven by different physical mechanisms. In this study, we report the …
View article: A new approach to modeling the time-space variations of ionospheric electric currents and magnetic fields during the September 2017 geomagnetic storm
A new approach to modeling the time-space variations of ionospheric electric currents and magnetic fields during the September 2017 geomagnetic storm Open
The study and modeling of Earth’s ionospheric electric currents and of the associated magnetic fields is fundamental for geomagnetic field modeling, and for the study of ionosphere coupling with the neutral atmosphere and the magnetosphere…
View article: Understanding the inner magnetospheric drivers of the geospace plume evolution through magnetosphere-ionosphere coupling
Understanding the inner magnetospheric drivers of the geospace plume evolution through magnetosphere-ionosphere coupling Open
The geospace plume, referring to the combined processes of the plasmaspheric and the ionospheric storm-enhanced density (SED)/total electron content (TEC) plumes, is one of the unique features of geomagnetic storms. The apparent spatial ov…
View article: Energy Deposition into the Ionosphere during a Solar Flare with Extreme-ultraviolet Late Phase
Energy Deposition into the Ionosphere during a Solar Flare with Extreme-ultraviolet Late Phase Open
Solar extreme-ultraviolet (EUV) irradiance is the dominant energy source for ionizing and heating the Earth’s upper atmosphere. It is common to assume that the spectra of different EUV lines have the same trend to fill the solar EUV irradi…
View article: Characterization of N+ Abundances in the Terrestrial Polar Wind using the Multiscale Atmosphere-Geospace Environment
Characterization of N+ Abundances in the Terrestrial Polar Wind using the Multiscale Atmosphere-Geospace Environment Open
The High-latitude Ionosphere Dynamics for Research Applications (HIDRA) model is part of the Multiscale Atmosphere-Geospace Environment (MAGE) model under development by the Center for Geospace Storms (CGS) NASA DRIVE Science Center. This …
View article: The Contribution of Plasma Sheet Bubbles to Stormtime Ring Current Buildup and Evolution of Its Energy Composition
The Contribution of Plasma Sheet Bubbles to Stormtime Ring Current Buildup and Evolution of Its Energy Composition Open
The formation of the stormtime ring current is a result of the inward transport and energization of plasma sheet ions. Previous studies have demonstrated that a significant fraction of the total inward plasma sheet transport takes place in…
View article: The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm
The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm Open
The geospace plume, referring to the combined processes of the plasmaspheric and the ionospheric storm-enhanced density (SED)/total electron content (TEC) plumes, is one of the unique features of geomagnetic storms. The apparent spatial ov…
View article: From Mesoscale to Global Scales in Atmosphere-Geospace System: Research Enabled by Exascale Computing
From Mesoscale to Global Scales in Atmosphere-Geospace System: Research Enabled by Exascale Computing Open
Mesoscale processes, with horizontal scales between tens to thousands of kilometers, impact the atmosphere and geospace system in several fundamental and inter-connected ways: causing dynamical, thermal, compositional and electromagnetic d…
View article: The Earth’s exosphere and its response to space weather
The Earth’s exosphere and its response to space weather Open
Whitepaper #077 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: basic research; infrastructure/workforce/other programmatic. Additional topics: ground-based missions/projects; research tools and inf…
View article: The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm
The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm Open
Open data for Figure 3 to Figure 11 in manuscript, "The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm". The data was generated by the Multiscale At…
View article: The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm
The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm Open
Open data for Figure 3 to Figure 11 in manuscript, "The relation among the ring current, subauroral polarization stream, and the geospace plume: MAGE Simulation of the March 31 2001 Super Storm". The data was generated by the Multiscale At…
View article: The contribution of plasma sheet bubbles to stormtime ring current buildup and evolution of the energy composition
The contribution of plasma sheet bubbles to stormtime ring current buildup and evolution of the energy composition Open
The formation of the stormtime ring current is a result of the inward transport and energization of plasma sheet ions. Previous studies have demonstrated that a significant fraction of the total inward plasma sheet transport takes place in…
View article: The contribution of plasma sheet bubbles to stormtime ring current buildup and evolution of the energy composition
The contribution of plasma sheet bubbles to stormtime ring current buildup and evolution of the energy composition Open
Supporting information for "The contribution of plasma sheet bubbles to stormtime ring current buildup and evolution of the energy composition" by Sciola et al. 2023 submitted to the Journal of Geophysical Research: Space Physics