SM
Member Since 2017
Sebastijan Mrak
Senior Professional Staff, Johns Hopkins University Applied Physics Laboratory
AGU Research
Search
Filters
Clear All
Impacts of Ionospheric Conductance Reduction During December 2021 Solar Eclipse on the Magnetosphere-Ionosphere-Thermosphere System: Coupled MHD-GCM Simulations
MANIFESTATIONS OF THE SOLAR WIND–MAGNETOSPHERE–IONOSPHERE SYSTEM II ORAL
spa-magnetospheric physics | 13 december 2024
Yu Hong, Yue Deng, Daniel T. Welling, Aaron J. Rid...
Solar eclipses provide a unique opportunity to study the Geospace environment. On December 04, 2021, a total solar eclipse occurred over west Antarcti...
View Abstract
GOLD Mission's 2023 and 2024 Eclipse Observation and Comparison with Solar Obscuration Condition.
RESULTS FROM THE 2023 AND 2024 SOLAR ECLIPSES: A FOCUS ON THE M-I-T RESPONSE II POSTER
spa-aeronomy | 13 december 2024
Saurav Aryal, J. S. Evans, Richard Eastes, Sebasti...
The Global Observation of Limb and Disk (GOLD) mission observed the October 14, 2023 and April 8, 2024 solar eclipses effects in the thermosphere. Pre...
View Abstract
Signatures of ionospheric G-condition observed during 2017 and 2021 Total Solar Eclipses
SOLAR ECLIPSE SCIENCE: WHAT WE LEARNED FROM THE GREAT AMERICAN ECLIPSES AND WHAT IS NEXT I POSTER
spa-solar and heliospheric physics | 13 december 2024
Shibaji Chakraborty, Sebastijan Mrak, Naomi Maruya...
We investigated the photochemical and dynamic processes driven by eclipses and the subsequent impact on the plasma density. Total solar eclipses have ...
View Abstract
Results from the Atmospheric Perturbations around Eclipse Path (APEP) Sounding Rocket Campaign
RESULTS FROM THE 2023 AND 2024 SOLAR ECLIPSES: A FOCUS ON THE M-I-T RESPONSE I ORAL
spa-aeronomy | 12 december 2024
Aroh Barjatya, Robert Clayton, Shantanab Debchoudh...
Solar eclipses present a unique opportunity to study the effects of a supersonic cooling shadow and its modulation of the structure and energetics of ...
View Abstract
Global Features of Scintillations and Their Drivers
OBSERVATIONAL AND MODELING STUDIES OF IONOSPHERIC IRREGULARITIES AND SCINTILLATION I POSTER
spa-aeronomy | 12 december 2024
Noah Koliadko, Christopher Inae, Jay Johnson, Simo...
Understanding the cause of atmospheric signal scintillation is important in improving the quality of satellite communications. Correlation tests were ...
View Abstract
The impacts of solar irradiance on ionosphere-thermosphere responses to the 2023 and 2024 solar eclipses
RESULTS FROM THE 2023 AND 2024 SOLAR ECLIPSES: A FOCUS ON THE M-I-T RESPONSE I ORAL
spa-aeronomy | 12 december 2024
Sebastijan Mrak, Phillip C. Chamberlin, Saurav Ary...
We developed a model 4D model of representative solar irradiance that explains several observations of non-uniform ionosphere-thermosphere (I-T) respo...
View Abstract
High-Latitude L-band Scintillation Characteristics during the 2024 Gannon Storm
OBSERVATIONAL AND MODELING STUDIES OF IONOSPHERIC IRREGULARITIES AND SCINTILLATION I POSTER
spa-aeronomy | 12 december 2024
Sebastijan Mrak, Toshi Nishimura, Anthea Coster, Y...
We use a network of high-rate geodetic Global Navigation Satellite System (GNSS) receivers and Ionospheric Scintillation Monitoring Receivers (ISMR) t...
View Abstract
Simple Metrics for Monitoring the Tuning and Performance of Data Assimilation
NUMERICAL MODELING, DATA ASSIMILATION, AND RESEARCH TO OPERATIONS (R2O) FOR BETTER FORECASTING OF HIGH-IMPACT WEATHER EVENTS II POSTER
atmospheric sciences | 12 december 2024
Robert K. Schaefer, Clayton Cantrall, Patrick Dand...
Empirical and first principles models of the atmosphere and ionosphere can be improved through the use of data assimilation (DA). However, in order to...
View Abstract