Explanipedia

Universal Time Variability in the Open/Closed Boundary and Cusp Geometry: Insights from Tsyganenko T96 Field-Line Tracing Open

David Alan Smith, J. J. Sojka · 2025

Data sets for "On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector" by Wright et al. Open

Isaac G. Wright, F. S. Rodrigues, Josemaria Gomez Socola, A. O. Moreas, João Francisco Galera Monico , et al. · 2023

Copy of data described in 'On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector' by Wright et. a…

Data sets for "On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector" by Wright et al. Open

Isaac G. Wright, F. S. Rodrigues, Josemaria Gomez Socola, A. O. Moreas, João Francisco Galera Monico , et al. · 2023

Copy of data described in 'On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector' by Wright et. a…

On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector Open

Isaac G. Wright, F. S. Rodrigues, Josemaria Gomez Socola, Alison de Oliveira Moraes, João Francisco Galera Monico , et al. · 2023

As part of an effort to observe and study ionospheric disturbances and their effects on radio signals used by Global Navigation Satellite Systems (GNSS), alternative low-cost GNSS-based ionospheric scintillation and total electron content …

TDIM ionospheric model TEC, hmF2, and NmF2 at mid-latitude northern hemisphere, used in the paper titled "Is TEC a Viable Servo Input?" Open

J. J. Sojka · 2020

The externally imposed vertical drift in the F region is an extremely important driver of ionospheric dynamics but is very difficult to measure or map. Ionospheric servo algorithms have used hmF2 as F-region observable to infer the vertica…

Model‐Based Properties of the Dayside Open/Closed Boundary: Is There a UT‐Dependent Variation? Open

David Alan Smith, J. J. Sojka · 2019

The open‐closed boundary (OCB) defines a region of significant transformation in Earth's protective magnetic shield. Principle among these changes is the transition of magnetic field lines from having two foot points, one in each hemispher…

Principles Of Heliophysics: a textbook on the universal processes behind planetary habitability Open

C. J. Schrijver, F. Bagenal, Tim Bastian, Jürg Beer, M. M. Bisi , et al. · 2019

Heliophysics is the system science of the physical connections between the Sun and the solar system. As the physics of the local cosmos, it embraces space weather and planetary habitability. The wider view of comparative heliophysics forms…

Principles Of Heliophysics: a textbook on the universal processes behind\n planetary habitability Open

C. J. Schrijver, F. Bagenal, Tim Bastian, J. Beer, M. M. Bisi , et al. · 2019

Heliophysics is the system science of the physical connections between the\nSun and the solar system. As the physics of the local cosmos, it embraces space\nweather and planetary habitability. The wider view of comparative heliophysics\nfo…

Hemispherical Shifted Symmetry in Polar Cap Patch Occurrence: A Survey of GPS TEC Maps From 2015–2018 Open

M. David, J. J. Sojka, R. W. Schunk, A. J. Coster · 2019

Much theoretical and observational work has been devoted to studying the occurrence of F region polar cap patches in the Northern Hemisphere; considerably less work has been applied to the Southern Hemisphere. In recent years, the Madrigal…

TDIM ionospheric model TEC maps of the high-latitude northern hemisphere, used in the paper titled "Hemispherical Shifted Symmetry in Polar Cap F-Region Patch Occurrence: A Survey of GPS TEC data from 2015 to 2018" Open

M. David, J. J. Sojka · 2019

TDIM ionospheric model was run for the year 2018 at 10-day intervals and 2-hr intervals in UT.

Madrigal GPS-TEC maps of the high-latitude northern hemisphere 2009-2017. Open

M. David, J. J. Sojka · 2019

Raw data obtained from the Madrigal web site cedar.openmadrigal.org has been recast into a format of dial grids in geo-magnetic coordinates.

Validation of Ionospheric Specifications During Geomagnetic Storms: TEC and foF2 During the 2013 March Storm Event Open

J. S. Shim, Ioanna Tsagouri, Л. П. Гончаренко, L. Rastäetter, M. M. Kuznetsova , et al. · 2018

To address challenges of assessing space weather modeling capabilities, the Community Coordinated Modeling Center is leading a newly established International Forum for Space Weather Modeling Capabilities Assessment . This paper presents p…

Polar Topside Ionosphere During Geomagnetic Storms: Comparison of ISIS‐II With TDIM Open

J. J. Sojka, D. Rice, J. V. Eccles, M. David, R. W. Schunk , et al. · 2018

Space weather deposits energy into the high polar latitudes, primarily via Joule heating that is associated with the Poynting flux electromagnetic energy flow between the magnetosphere and ionosphere. One way to observe this energy flow is…

Life Beyond the Solar System: Space Weather and Its Impact on Habitable Worlds Open

Vladimir Airapetian, W. C. Danchi, Chuanfei Dong, Sarah Rugheimer, M. G. Mlynczak , et al. · 2018

The search of life in the Universe is a fundamental problem of astrobiology and a major priority for NASA. A key area of major progress since the NASA Astrobiology Strategy 2015 (NAS15) has been a shift from the exoplanet discovery phase t…

CEDAR‐GEM Challenge for Systematic Assessment of Ionosphere/Thermosphere Models in Predicting TEC During the 2006 December Storm Event Open

J. S. Shim, L. Rastätter, M. M. Kuznetsova, D. Bilitza, M. Codrescu , et al. · 2017

In order to assess current modeling capability of reproducing storm impacts on total electron content (TEC), we considered quantities such as TEC, TEC changes compared to quiet time values, and the maximum value of the TEC and TEC changes …

Terminator field-aligned current system: Its dependencies on solar, seasonal, and geomagnetic conditions Open

L. Zhu, R. W. Schunk, J. V. Eccles, L. Scherliess, J. J. Sojka , et al. · 2017

How Hospitable Are Space Weather Affected Habitable Zones? The Role of Ion Escape Open

Vladimir Airapetian, A. Glocer, G. V. Khazanov, R. O. Parke Loyd, Kevin France , et al. · 2017

Atmospheres of exoplanets in the habitable zones around active young G-K-M stars are subject to extreme X-ray and EUV (XUV) fluxes from their host stars that can initiate atmospheric erosion. Atmospheric loss affects exoplanetary habitabil…

Space weather forecasting with a Multimodel Ensemble Prediction System (MEPS) Open

R. W. Schunk, L. Scherliess, J. V. Eccles, L. C. Gardner, J. J. Sojka , et al. · 2016

The goal of the Multimodel Ensemble Prediction System (MEPS) program is to improve space weather specification and forecasting with ensemble modeling. Space weather can have detrimental effects on a variety of civilian and military systems…

Polar cap patches and the tongue of ionization: A survey of GPS TEC maps from 2009 to 2015 Open

M. David, J. J. Sojka, R. W. Schunk, A. J. Coster · 2016

The source and structuring mechanisms for F region density patches have been subjects of speculation and debate for many years. We have made a survey of mappings of total electron content (TEC) between the years 2009 and 2015 from the web‐…

How uncertainty in the neutral wind limits the accuracy of ionospheric modeling and forecasting Open

M. David, J. J. Sojka, R. W. Schunk · 2015

One of the most important input fields for an ionospheric model is the horizontal neutral wind. The primary mechanism by which the neutral wind affects ionospheric densities is the inducement of an upward or downward ion drift along the ma…

High Altitude Payload for CUBESAT Aeroboom Development (HAPCAD) Open

Jessica Zollinger, J. J. Sojka · 2015

The intent of this research project is to create a comprehensive flight plan for a high altitude balloon flight. The Get Away Special team is designing a cube satellite in which an inflatable, uv curable boom is deployed. The balloon fligh…

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