Sq and EEJ—a review on the daily variation of the geomagnetic field caused by ionospheric dynamo currents

Y Yamazaki, A Maute - Space Science Reviews, 2017 - Springer
A record of the geomagnetic field on the ground sometimes shows smooth daily variations
on the order of a few tens of nano teslas. These daily variations, commonly known as Sq, are …

Variability and predictability of the space environment as related to lower atmosphere forcing

HL Liu - Space weather, 2016 - Wiley Online Library
The Earth's thermosphere and ionosphere (TI) are characterized by perpetual variability as
integral parts of the atmosphere system, with intermittent disturbances from solar and …

September 2019 Antarctic sudden stratospheric warming: Quasi‐6‐day wave burst and ionospheric effects

Y Yamazaki, V Matthias, Y Miyoshi… - Geophysical …, 2020 - Wiley Online Library
An exceptionally strong stationary planetary wave with Zonal Wavenumber 1 led to a
sudden stratospheric warming (SSW) in the Southern Hemisphere in September 2019 …

The COSMIC/FORMOSAT-3 radio occultation mission after 12 years: Accomplishments, remaining challenges, and potential impacts of COSMIC-2

S Ho, RA Anthes, CO Ao, S Healy… - Bulletin of the …, 2020 - journals.ametsoc.org
Abstract Launched in 2006, the Formosa Satellite Mission 3–Constellation Observing
System for Meteorology, Ionosphere and Climate (FORMOSAT-3/COSMIC) was the first …

Day‐to‐day variability of the semidiurnal tide in the F‐region ionosphere during the January 2021 SSW from COSMIC‐2 and ICON

J Oberheide - Geophysical Research Letters, 2022 - Wiley Online Library
The semidiurnal tidal spectrum in the F‐region ionosphere obtained from hourly COSMIC‐2
Global Ionospheric Specification (GIS) data assimilation is greatly (> 50%) enhanced during …

A method to derive Fourier–wavelet spectra for the characterization of global-scale waves in the mesosphere and lower thermosphere and its MATLAB and Python …

Y Yamazaki - Geoscientific Model Development, 2023 - gmd.copernicus.org
This paper describes a simple method for characterizing global-scale waves in the
mesosphere and lower thermosphere (MLT), such as tides and traveling planetary waves …

Sudden stratospheric warming impacts on the ionosphere–thermosphere system: A review of recent progress

LP Goncharenko, VL Harvey, H Liu… - Ionosphere dynamics …, 2021 - Wiley Online Library
The last decade has seen rapid progress in understanding of mechanisms coupling the
upper atmosphere (thermosphere and ionosphere) with the atmospheric layers below it …

Local‐time and vertical characteristics of quasi‐6‐day oscillation in the ionosphere during the 2019 Antarctic sudden stratospheric warming

JT Lin, CH Lin, PK Rajesh, J Yue… - Geophysical …, 2020 - Wiley Online Library
This study investigates new characteristics of ionospheric modulations driven by quasi‐6‐
day wave (Q6DW) burst following a rare Antarctic sudden stratospheric warming (SSW) in …

Upper mesospheric lunar tides over middle and high latitudes during sudden stratospheric warming events

JL Chau, P Hoffmann, NM Pedatella… - Journal of …, 2015 - Wiley Online Library
In recent years there have been a series of reported ground‐and satellite‐based
observations of lunar tide signatures in the equatorial and low latitude ionosphere …

Impact of the semidiurnal lunar tide on the midlatitude thermospheric wind and ionosphere during sudden stratosphere warmings

NM Pedatella, A Maute - Journal of Geophysical Research …, 2015 - Wiley Online Library
Variability of the midlatitude ionosphere and thermosphere during the 2009 and 2013
sudden stratosphere warmings (SSWs) is investigated in the present study using a …