R. L. Walterscheid
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View article: High‐Spatial Resolution Space‐Based Observations in the Upper Troposphere and Upper Mesosphere of Wavelike Features Produced by Hurricane Ian
High‐Spatial Resolution Space‐Based Observations in the Upper Troposphere and Upper Mesosphere of Wavelike Features Produced by Hurricane Ian Open
A new high‐spatial resolution camera on the International Space Station used OH nightglow in the H‐band to image the ground at an 70 m pixel footprint over an 280 km swath and maintained this resolution during its 1.5 s exposure. Near 0405…
View article: Turbulence, Richardson Number (Ri) Distributions, and Parametric Instabilities in the Turbopause Region (96-105 Km) from Na Lidar Measurements at the Andes Lidar Observatory (Alo)
Turbulence, Richardson Number (Ri) Distributions, and Parametric Instabilities in the Turbopause Region (96-105 Km) from Na Lidar Measurements at the Andes Lidar Observatory (Alo) Open
View article: A “Boreing” Night of Observations of the Upper Mesosphere and Lower Thermosphere Over the Andes Lidar Observatory
A “Boreing” Night of Observations of the Upper Mesosphere and Lower Thermosphere Over the Andes Lidar Observatory Open
A very high‐spatial resolution (∼21–23 m pixel at 85 km altitude) OH airglow imager at the Andes Lidar Observatory at Cerro Pachón, Chile observed considerable ducted wave activity on the night of 29–30 October 2016. This instrument was co…
View article: Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model Versus Empirical Models
Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model Versus Empirical Models Open
We examine the accuracy of density prediction by the first principles model Thermosphere Ionosphere Electrodynamics General Circulation Model (TIEGCM) developed by the National Center for Atmospheric Research and compare it to the accuracy…
View article: Data files for Atmospheric Gravity Wave and Instability Observations from the International Space Station using the Near InfraRed Airglow Camera (NIRAC)
Data files for Atmospheric Gravity Wave and Instability Observations from the International Space Station using the Near InfraRed Airglow Camera (NIRAC) Open
The files in this set are data obtained from the NIRAC airglow imager on the International Space Station. The files are named for a JGR paper by J. Hecht et al. entitled Atmospheric Gravity Wave and Instability Observations from the Intern…
View article: Data files for Atmospheric Gravity Wave and Instability Observations from the International Space Station using the Near InfraRed Airglow Camera (NIRAC)
Data files for Atmospheric Gravity Wave and Instability Observations from the International Space Station using the Near InfraRed Airglow Camera (NIRAC) Open
The files in this set are data obtained from the NIRAC airglow imager on the International Space Station. The files are named for a JGR paper by J. Hecht et al. entitled Atmospheric Gravity Wave and Instability Observations from the Intern…
View article: Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model versus Empirical Models
Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model versus Empirical Models Open
This dataset contains observational and TIEGCM simulation data used for a manuscript that is being submitted to the Space Weather journal. The abstract for the study follows: We examine the accuracy of density prediction by the fi…
View article: Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model versus Empirical Models
Comparative Accuracies of Models for Drag Prediction During Geomagnetically Disturbed Periods: A First Principles Model versus Empirical Models Open
This dataset contains observational and TIEGCM simulation data used for a manuscript that is being submitted to the Space Weather journal. The abstract for the study follows: We examine the accuracy of density prediction by the fi…
View article: Venus mountain waves in the upper atmosphere simulated by a time-invariant linear full-wave spectral model
Venus mountain waves in the upper atmosphere simulated by a time-invariant linear full-wave spectral model Open
A 2-D spectral full-wave model is described that simulates the generation and propagation of mountain waves over idealized topography in Venus’ atmosphere. Modeled temperature perturbations are compared with the Akatsuki observations. Lowe…
View article: Kelvin‐Helmholtz Billow Interactions and Instabilities in the Mesosphere Over the Andes Lidar Observatory: 1. Observations
Kelvin‐Helmholtz Billow Interactions and Instabilities in the Mesosphere Over the Andes Lidar Observatory: 1. Observations Open
A very high spatial resolution ( ∼ 25 m pixel at 90 km altitude) OH airglow imager was installed at the Andes Lidar Observatory on Cerro Pachón, Chile, in February 2016. This instrument was collocated with a Na wind‐temperature lidar. On 1…
View article: Daytime Dynamo Electrodynamics With Spiral Currents Driven by Strong Winds Revealed by Vapor Trails and Sounding Rocket Probes
Daytime Dynamo Electrodynamics With Spiral Currents Driven by Strong Winds Revealed by Vapor Trails and Sounding Rocket Probes Open
We investigate the forces and atmosphere‐ionosphere coupling that create atmospheric dynamo currents using two rockets launched nearly simultaneously on 4 July 2013 from Wallops Island (USA), during daytime Sq conditions with ΔH of −30 nT.…
View article: The Low-Latitude Ionosphere/Thermosphere Enhancements in Density (LLITED) Mission
The Low-Latitude Ionosphere/Thermosphere Enhancements in Density (LLITED) Mission Open
The Low-Latitude Ionosphere/Thermosphere Enhancements in Density (LLITED) CubeSat mission is a NASA funded HTIDs project. It is a 3-year grant with two 1.5U CubeSats with an estimated delivery in the spring of 2020 and a 1- year on-orbit m…
View article: Principles Of Heliophysics: a textbook on the universal processes behind planetary habitability
Principles Of Heliophysics: a textbook on the universal processes behind planetary habitability Open
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…
View article: Principles Of Heliophysics: a textbook on the universal processes behind\n planetary habitability
Principles Of Heliophysics: a textbook on the universal processes behind\n planetary habitability Open
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…
View article: Localization Effects on the Dissipation of Gravity Wave Packets in the Upper Mesosphere and Lower Thermosphere
Localization Effects on the Dissipation of Gravity Wave Packets in the Upper Mesosphere and Lower Thermosphere Open
Gravity waves not subject to breaking or filtering will dissipate due to viscosity and thermal conduction in the thermosphere. However, the evolutions of wave packets, and the altitudes they reach, are highly dependent upon the spectral co…
View article: Investigation of Acoustic Waves in the Ionosphere Generated by a Deep Convection System Using Distributed Networks of GPS Receivers and Numerical Modeling
Investigation of Acoustic Waves in the Ionosphere Generated by a Deep Convection System Using Distributed Networks of GPS Receivers and Numerical Modeling Open
Acoustic waves generated in the lower atmosphere may become an important source of variability in the upper atmosphere. Although excited with small amplitudes compared to gravity waves, they are minimally subjected to viscous dissipation a…
View article: Investigation of Acoustic Waves in the Ionosphere Generated by a Deep Convection System Using Distributed Networks of GPS Receivers and Numerical Modeling
Investigation of Acoustic Waves in the Ionosphere Generated by a Deep Convection System Using Distributed Networks of GPS Receivers and Numerical Modeling Open
Detrended GPS TEC data over the CONUS between 0 and 10 UT on 26 May 2016 showing acoustic waves in the ionosphere and ASCII file containing model outputs of the acoustic waves in vertical velocity and pressure fields.
View article: GHOST: A Satellite Mission Concept for Persistent Monitoring of Stratospheric Gravity Waves Induced by Severe Storms
GHOST: A Satellite Mission Concept for Persistent Monitoring of Stratospheric Gravity Waves Induced by Severe Storms Open
The prediction of tropical cyclone rapid intensification is one of the most pressing unsolved problems in hurricane forecasting. The signatures of gravity waves launched by strong convective updrafts are often clearly seen in airglow and c…
View article: Observations of the Breakdown of Mountain Waves Over the Andes Lidar Observatory at Cerro Pachon on 8/9 July 2012
Observations of the Breakdown of Mountain Waves Over the Andes Lidar Observatory at Cerro Pachon on 8/9 July 2012 Open
Although mountain waves (MWs) are thought to be a ubiquitous feature of the wintertime southern Andes stratosphere, it was not known whether these waves propagated up to the mesopause region until Smith et al. (2009) confirmed their presen…
View article: Development of level 1b calibration and validation readiness, implementation and management plans for GOES-R
Development of level 1b calibration and validation readiness, implementation and management plans for GOES-R Open
A complement of Readiness, Implementation and Management Plans (RIMPs) to facilitate management of post-launch product test activities for the official Geostationary Operational Environmental Satellite (GOES-R) Level 1b (L1b) products have…
View article: Observations of the migrating semidiurnal and quaddiurnal tides from the RAIDS/NIRS instrument
Observations of the migrating semidiurnal and quaddiurnal tides from the RAIDS/NIRS instrument Open
In this paper we analyze temperature data from the Near‐Infrared Spectrometer (NIRS) instrument on Remote Atmospheric and Ionospheric Detection System experiment on the International Space Station and the Sounding of the Atmosphere using B…
View article: High‐resolution modeling of the cusp density anomaly: Response to particle and Joule heating under typical conditions
High‐resolution modeling of the cusp density anomaly: Response to particle and Joule heating under typical conditions Open
An established high‐resolution dynamical model is employed to understand the behavior of the thermosphere beneath the Earth's magnetic cusps, with emphasis on the factors contributing to the density structures observed by the CHAMP and Str…
View article: Comparison of simulated and observed trapped and precipitating electron fluxes during a magnetic storm
Comparison of simulated and observed trapped and precipitating electron fluxes during a magnetic storm Open
The ability to accurately model precipitating electron distributions is crucial for understanding magnetosphere-ionosphere-thermosphere coupling processes. We use the magnetically and electrically self-consistent Rice Convection Model-Equi…
View article: Thermal cell structures in the high‐latitude thermosphere induced by ion drag
Thermal cell structures in the high‐latitude thermosphere induced by ion drag Open
The occurrence of high‐latitude thermospheric density structures during disturbed conditions that are more complex than the forcing itself suggests that the structure may be caused by a qualitative change in the balance of forces. Using a …
View article: A full‐wave model for a binary gas thermosphere: Effects of thermal conductivity and viscosity
A full‐wave model for a binary gas thermosphere: Effects of thermal conductivity and viscosity Open
The thermosphere is diffusively separated and behaves as a multiconstituent gas wherein individual species in static equilibrium are each stratified according to their individual scale heights. Gravity waves propagating in the thermosphere…