H. C. Carlson
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View article: Schedule and abstract book for the Twelfth Annual Undergraduate Research Conference at the Interface of Biology and Mathematics
Schedule and abstract book for the Twelfth Annual Undergraduate Research Conference at the Interface of Biology and Mathematics Open
Collection of abstracts from the twelfth Annual Undergraduate Research Conference at the Interface of Biology and Mathematics. Plenary speaker: Gerardo Chowell, Population Health Sciences, Georgia State University School of Public Health, …
View article: Incoherent Scatter Radar Studies of Daytime Plasma Lines
Incoherent Scatter Radar Studies of Daytime Plasma Lines Open
First results from wideband (electron phase energies of 5–51 eV), high-resolution (0.1 eV) spectral measurements of photoelectron–enhanced plasma lines made with the 430 MHz radar at Arecibo Observatory are presented. In the F region, phot…
View article: A statistical survey of heat input parameters into the cusp thermosphere
A statistical survey of heat input parameters into the cusp thermosphere Open
Based on three winters of observational data, we present those ionosphere parameters deemed most critical to realistic space weather ionosphere and thermosphere representation and prediction, in regions impacted by variability in the cusp.…
View article: Collaborative Research: Synergistic Merging of Traditional Aeronomy with Targeted High-Frequency (HF) Heating Diagnostics
Collaborative Research: Synergistic Merging of Traditional Aeronomy with Targeted High-Frequency (HF) Heating Diagnostics Open
View article: Creating space plasma from the ground
Creating space plasma from the ground Open
We have performed an experiment to compare as directly as realizable the ionization production rate by HF radio wave energy versus by solar EUV. We take advantage of the commonality that ionization production by both ground‐based high‐powe…
View article: Analysis of close conjunctions between dayside polar cap airglow patches and flow channels by all-sky imager and DMSP
Analysis of close conjunctions between dayside polar cap airglow patches and flow channels by all-sky imager and DMSP Open
Recent imager and radar observations in the nightside polar cap have shown evidence that polar cap patches are associated with localized flow channels. To understand how flow channels propagate from the dayside auroral oval into the polar …
View article: Low‐latitude 10 eV electrons: Nighttime plasma line as a new research capability
Low‐latitude 10 eV electrons: Nighttime plasma line as a new research capability Open
The incoherent scatter radar (ISR) plasma line (PL) in daylight is excited by photoelectrons. Measurement of its intensity ( κT p ) has long been used for their study. At night, despite the absence of any other excitation mechanism, the PL…