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View article: Impact of Gravity Waves From Tropospheric and Non‐Tropospheric Sources on the Middle and Upper Atmosphere and Comparison With ICON/MIGHTI Winds
Impact of Gravity Waves From Tropospheric and Non‐Tropospheric Sources on the Middle and Upper Atmosphere and Comparison With ICON/MIGHTI Winds Open
We study the dynamical and thermal roles of internal gravity waves generated in the troposphere and above using the Coupled Middle Atmosphere Thermosphere‐2 General Circulation Model. This model incorporates the whole atmosphere nonlinear …
View article: Impact of Gravity Waves From Tropospheric and Non-tropospheric Sources on the Middle and Upper Atmosphere and Comparison with ICON/MIGHTI Winds
Impact of Gravity Waves From Tropospheric and Non-tropospheric Sources on the Middle and Upper Atmosphere and Comparison with ICON/MIGHTI Winds Open
We study the dynamical and thermal roles of internal gravity waves generated in the troposphere and above using the Coupled Middle Atmosphere Thermosphere-2 General Circulation Model. This model incorporates the whole atmosphere nonlinear …
View article: Momentum flux characteristics of vertically propagating gravity waves
Momentum flux characteristics of vertically propagating gravity waves Open
Momentum flux and propagation dynamics of two vertically propagating atmospheric gravity waves (GWs) are studied using observations at São João do Cariri (7.40° S, 36.31° W), Brazil, from co-located photometer, all-sky imager, and meteor r…
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: Topside Low‐Latitude Ionospheric Response to the 10–11 May 2024 Super Geomagnetic Storm as Observed by Swarm: The Strongest Storm‐Time Super‐Fountain During the Swarm Era?
Topside Low‐Latitude Ionospheric Response to the 10–11 May 2024 Super Geomagnetic Storm as Observed by Swarm: The Strongest Storm‐Time Super‐Fountain During the Swarm Era? Open
The current study explores how the topside equatorial and low‐latitude ionosphere responded to the super geomagnetic storm on 10–11 May 2024, using in situ data from the Swarm constellation. During the storm's main phase, enhancements in t…
View article: Response of the Thermosphere‐Ionosphere System to an X‐Class Solar Flare: 30 March 2022 Case Study
Response of the Thermosphere‐Ionosphere System to an X‐Class Solar Flare: 30 March 2022 Case Study Open
The response of the thermosphere ionosphere system to an X1.3 class solar flare is studied using observations of the total electron content (TEC) and the Global Ionosphere Thermosphere Model (GITM) simulations. The solar flare erupted from…
View article: Ionospheric and Thermospheric Effects of Hurricane Grace in 2021 Observed by Satellites
Ionospheric and Thermospheric Effects of Hurricane Grace in 2021 Observed by Satellites Open
Effects of Hurricane Grace in August 2021 are studied in the thermosphere and ionosphere, using data from the COSMIC‐2, ICON, and GOLD satellites. Significant impacts on electron density, thermospheric winds, and temperature are observed a…
View article: The Mars Thermosphere Terminator Structure and Variability Over a Solar Cycle.
The Mars Thermosphere Terminator Structure and Variability Over a Solar Cycle. Open
Introduction:  The Extreme Ultraviolet Monitor (EUVM) onboard the Mars Atmosphere and Volatile EvolutioN (MAVEN) orbiter measures thermospheric density from about 110 to 200 km via solar occultations using its 17-22 nm channel in addi…
View article: Exploring Mars’s harsh atmosphere
Exploring Mars’s harsh atmosphere Open
Getting humans to Mars is difficult enough. But things won’t be any easier after they arrive: The red planet’s climate and weather are anything but friendly.
View article: Observation of vertical coupling during a major sudden stratospheric warming by ICON and GOLD: a case study of the 2020/2021 warming event
Observation of vertical coupling during a major sudden stratospheric warming by ICON and GOLD: a case study of the 2020/2021 warming event Open
The response of the thermospheric daytime longitudinally averaged zonal and meridional winds and neutral temperature to the 2020/2021 major sudden stratospheric warming (SSW) is studied at low-to middle latitudes (0 ◦ - 40 ◦ N) using obser…
View article: A Missing Piece of the E‐Region Puzzle: High‐Resolution Photoionization Cross Sections and Solar Irradiances in Models
A Missing Piece of the E‐Region Puzzle: High‐Resolution Photoionization Cross Sections and Solar Irradiances in Models Open
Most ionospheric models cannot sufficiently reproduce the observed electron density profiles in the E‐region ionosphere, since they usually underestimate electron densities and do not match the profile shape. Mitigation of these issues is …
View article: The Climatology of Mars Thermospheric Polar Warming at Aphelion
The Climatology of Mars Thermospheric Polar Warming at Aphelion Open
Thermospheric polar warming (TPW) is observed conclusively for the first time at Mars during the aphelion/Northern Summer season using solar occultation (SO) measurements made by the Extreme Ultraviolet Monitor (EUVM) onboard the Mars Atmo…
View article: Climatology of gravity wave activity based on two Martian years from ACS/TGO observations
Climatology of gravity wave activity based on two Martian years from ACS/TGO observations Open
Context . Gravity waves redistribute energy and momentum between the lower and upper atmosphere, thus providing vertical coupling between layers, and they affect the state, dynamics, and variability of the upper atmosphere. The statistics …
View article: A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models
A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models Open
Dataset corresponding to the associated publication, "A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models." The dataset includes high-resolution photoionization and photoab…
View article: Investigation of Mesosphere and Lower Thermosphere Dynamics over Central and Northern Peru Using SIMONe Systems
Investigation of Mesosphere and Lower Thermosphere Dynamics over Central and Northern Peru Using SIMONe Systems Open
One year of Spread spectrum Interferometric Multistatic meteor radar Observing Network (SIMONe) measurements are analyzed and compared for the first time between two low-latitude locations in Peru: Jicamarca (12°S, 77°W) and Piura (5°S, 80…
View article: A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models
A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models Open
Dataset corresponding to the associated publication, "A Missing Piece of the E-Region Puzzle: High-Resolution Photoionization Cross Sections and Solar Irradiances in Models." The dataset includes high-resolution photoionization and photoab…
View article: A Missing Piece of the E-Region Puzzle: The Need for High-Resolution Photoionization Cross Sections and Solar Irradiance in Models
A Missing Piece of the E-Region Puzzle: The Need for High-Resolution Photoionization Cross Sections and Solar Irradiance in Models Open
Dataset corresponding to the associated publication, "A Missing Piece of the E-Region Puzzle: The Need for High-Resolution Photoionization Cross Sections and Solar Irradiance in Models." The dataset includes high-resolution photoionization…
View article: Validation of E‐Region Model Electron Density Profiles With AURIC Utilizing High‐Resolution Cross Sections
Validation of E‐Region Model Electron Density Profiles With AURIC Utilizing High‐Resolution Cross Sections Open
E‐region models have traditionally underestimated the ionospheric electron density. We believe that this deficiency can be remedied by using high‐resolution photoabsorption and photoionization cross sections in the models. Deep dips in the…
View article: A Missing Piece of the E-Region Puzzle: The Need for High-Resolution Photoionization Cross Sections and Solar Irradiance in Models
A Missing Piece of the E-Region Puzzle: The Need for High-Resolution Photoionization Cross Sections and Solar Irradiance in Models Open
Most ionospheric models cannot sufficiently reproduce the observed electron density profiles in the E-region ionosphere, since they usually underestimate electron densities. Mitigation of this issue is often addressed by increasing the sol…
View article: Validation of E-region Model Electron Density Profiles with AURIC utilizing High-Resolution Cross Sections
Validation of E-region Model Electron Density Profiles with AURIC utilizing High-Resolution Cross Sections Open
E-region models have traditionally underestimated the ionospheric electron density. We believe that this deficiency can be remedied by using high-resolution photoabsorption and photoionization cross sections in the models. Deep dips in the…
View article: Climatology of Gravity Wave Activity From Two Martian Years of ACS/TGO Observations
Climatology of Gravity Wave Activity From Two Martian Years of ACS/TGO Observations Open
We report the gravity wave (GW) statistics accumulated over two Martian years from the second half of Martian Year 34 (MY34) to the middle of MY36 (May 2018 - February 2022). The observations were performed by the middle- and near-infrared…
View article: Variations of Low-latitude Thermospheric Winds and Temperature during the 2020/2021 Major Sudden Stratospheric Warming as Observed by ICON and GOLD Satellites
Variations of Low-latitude Thermospheric Winds and Temperature during the 2020/2021 Major Sudden Stratospheric Warming as Observed by ICON and GOLD Satellites Open
Using ICON and GOLD satellite observations, the response of the thermospheric daytime horizontal winds and neutral temperature to the 2020/2021 major sudden stratospheric warming (SSW) is studied at low- to middle latitudes (0° - 40°N). Co…
View article: On the Dynamical Importance of Gravity Wave Sources Distributed Over Different Heights in the Atmosphere
On the Dynamical Importance of Gravity Wave Sources Distributed Over Different Heights in the Atmosphere Open
Gravity waves (GWs) are generated at all altitudes in the atmosphere, but sources above the lower stratosphere are rarely considered by parameterizations employed in general circulation models. This study assesses the potential impact on t…
View article: One year of MLT dynamics over central and northern Peru from SIMONe systems
One year of MLT dynamics over central and northern Peru from SIMONe systems Open
One year of Spread spectrum Interferometric Multistatic meteor radar Observing Network (SIMONe) measurements are analyzed and compared for the first time between two low-latitude locations in Peru: Jicamarca (12°S, 77°W) and Piur…
View article: Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections
Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections Open
Zenodo Dataset: Arecibo ISR observation on February 9, 2012 COSMIC-1 GPS radio occultation on February 9, 2012 Millstone Hills ISR observation on February 16, 2012 IRI-2016 output AURIC model outputs Geomagnetic and Solar indices on Februa…
View article: Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections
Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections Open
Zenodo Dataset: Arecibo ISR observation on February 9, 2012 COSMIC-1 GPS radio occultation on February 9, 2012 Millstone Hills ISR observation on February 16, 2012 IRI-2016 output AURIC model outputs Geomagnetic and Solar indices on Februa…
View article: Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections
Validation of E-region Model Electron Density Profiles using High-Resolution Cross Sections Open
Zenodo Dataset: Arecibo ISR observation on February 9, 2012 COSMIC-1 GPS radio occultation on February 9, 2012 Millstone Hills ISR observation on February 16, 2012 IRI-2016 output AURIC model outputs Geomagnetic and Solar indices on Februa…
View article: Impacts of Gravity Waves in the Martian Thermosphere: The Mars Global Ionosphere‐Thermosphere Model Coupled With a Whole Atmosphere Gravity Wave Scheme
Impacts of Gravity Waves in the Martian Thermosphere: The Mars Global Ionosphere‐Thermosphere Model Coupled With a Whole Atmosphere Gravity Wave Scheme Open
Gravity waves are a key mechanism that facilitates coupling between the lower and upper atmosphere of Mars. In order to better understand the mean, large‐scale impacts of gravity waves on the thermosphere, a modern whole atmosphere, nonlin…
View article: Characterization of the Thermospheric Mean Winds and Circulation During Solstice Using ICON/MIGHTI Observations
Characterization of the Thermospheric Mean Winds and Circulation During Solstice Using ICON/MIGHTI Observations Open
Using the horizontal neutral wind observations from the Michelson Interferometer for Global High‐resolution Thermospheric Imaging (MIGHTI) instrument onboard NASA's Ionospheric Connection Explorer (ICON) spacecraft with continuous coverage…