Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars

N Nishitani, JM Ruohoniemi, M Lester… - Progress in Earth and …, 2019 - Springer
Abstract The Super Dual Auroral Radar Network (SuperDARN) is a network of high-
frequency (HF) radars located in the high-and mid-latitude regions of both hemispheres that …

A review on the numerical simulation of equatorial plasma bubbles toward scintillation evaluation and forecasting

T Yokoyama - Progress in Earth and Planetary Science, 2017 - Springer
Equatorial plasma bubbles (EPBs) have been a longstanding and increasingly important
subject because they cause severe scintillations in radio waves from Global Navigation …

GPS observations of medium-scale traveling ionospheric disturbances over Europe

Y Otsuka, K Suzuki, S Nakagawa… - Annales …, 2013 - angeo.copernicus.org
Two-dimensional structures of medium-scale traveling ionospheric disturbances (MSTIDs)
over Europe have been revealed, for the first time, by using maps of the total electron …

Challenges to understanding the Earth's ionosphere and thermosphere

RA Heelis, A Maute - Journal of Geophysical Research: Space …, 2020 - Wiley Online Library
We discuss, in a limited way, some of the challenges to advancing our understanding and
description of the coupled plasma and neutral gas that make up the ionosphere and …

Nonlinear growth, bifurcation, and pinching of equatorial plasma bubble simulated by three‐dimensional high‐resolution bubble model

T Yokoyama, H Shinagawa, H ** - Journal of Geophysical …, 2014 - Wiley Online Library
A new three‐dimensional high‐resolution numerical model to study equatorial plasma
bubble (EPB) has been developed. The High‐Resolution Bubble (HIRB) model is …

Overview of nighttime ionospheric instabilities at low-and mid-latitudes: Coupling aspects resulting in structuring at the mesoscale

JJ Makela, Y Otsuka - Space Science Reviews, 2012 - Springer
We present a review of the current state of understanding regarding two classes of
irregularities causing mesoscale structuring (hundreds of kilometers) in the nighttime …

First Lidar Profiling of Meteoric Ca+ Ion Transport From ∼80 to 300 km in the Midlatitude Nighttime Ionosphere

J Jiao, X Chu, H **, Z Wang, Y Xun… - Geophysical …, 2022 - Wiley Online Library
We report a world record of lidar profiling of metallic Ca+ ions up to 300 km in the midlatitude
nighttime ionosphere during geomagnetic quiet time. Ca+ measurements (∼ 80–300 km) …

On the Role of Thermospheric Winds and Sporadic E Layers in the Formation and Evolution of Electrified MSTIDs in Geomagnetic Conjugate Regions

VL Narayanan, K Shiokawa, Y Otsuka… - Journal of …, 2018 - Wiley Online Library
The electrified medium‐scale traveling ionospheric disturbances (EMSTIDs) occurring as
geomagnetically conjugate features in the middle latitude F region ionosphere are studied …

Periodic waves in the lower thermosphere observed by OI630 nm airglow images

I Paulino, AF Medeiros, SL Vadas… - Annales …, 2016 - angeo.copernicus.org
Periodic wave structures in the thermosphere have been observed at São João do Cariri
(geographic coordinates: 36.5∘ W, 7.4∘ S; geomagnetic coordinates based on IGRF model …

Statistical characteristics of medium-scale traveling ionospheric disturbances revealed from the Hokkaido East and Ekaterinburg HF radar data

AV Oinats, N Nishitani, P Ponomarenko… - Earth, Planets and …, 2016 - Springer
We present a statistical study of medium-scale traveling ionospheric disturbances (MSTIDs)
using the Hokkaido East (43.53° N, 143.61° E) and Ekaterinburg (56.42° N, 58.53° E) high …