Post-sunset rise of equatorial F layer—or upwelling growth?

RT Tsunoda, S Saito, TT Nguyen - Progress in Earth and Planetary …, 2018 - Springer
According to the so-called upwelling paradigm, development of equatorial plasma bubbles
(EPBs) involves (1) appearance of an upwelling (ie, local uplift with a zonal width of~ 400 …

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

T Yokoyama, H Shinagawa, H Jin - 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 …

The variability of low-latitude ionospheric amplitude and phase scintillation detected by a triple-frequency GPS receiver

A de Oliveira Moraes, E Costa, MA Abdu… - Radio …, 2017 - ieeexplore.ieee.org
Ionospheric scintillation is a manifestation of space weather effects that seriously affect the
performance and availability of space-based navigation and communication systems. This …

Upwelling: a unit of disturbance in equatorial spread F

RT Tsunoda - Progress in Earth and Planetary Science, 2015 - Springer
Plasma structure in the nighttime equatorial F layer, often referred to as equatorial spread F
(ESF), is not uniformly distributed, either in time or in space. Observations indicate that ESF …

Precursor signatures and evolution of post‐sunset equatorial spread‐F observed over Sanya

G Li, B Ning, MA Abdu, W Wan… - Journal of Geophysical …, 2012 - Wiley Online Library
Recent case studies on the precursor signatures of equatorial spread‐F (ESF) have shown a
one‐to‐one correspondence between the large‐scale wave structures (LSWS) and ESF …

On the fresh development of equatorial plasma bubbles around the midnight hours of June solstice

KK Ajith, S Tulasi Ram, M Yamamoto… - Journal of …, 2016 - Wiley Online Library
Abstract Using the 47 MHz Equatorial Atmosphere Radar (EAR) at Kototabang, Indonesia,
the nocturnal evolution of equatorial plasma bubbles (EPBs) was examined during the …

Characteristics of large‐scale wave structure observed from African and Southeast Asian longitudinal sectors

S Tulasi Ram, M Yamamoto… - Journal of …, 2014 - Wiley Online Library
The spatial large‐scale wave structure (LSWS) at the base of F layer is the earliest
manifestation of seed perturbation for Rayleigh‐Taylor instability, hence, found to play a …

Longitudinal characteristics of spread F backscatter plumes observed with the EAR and Sanya VHF radar in Southeast Asia

G Li, B Ning, MA Abdu, Y Otsuka… - Journal of …, 2013 - Wiley Online Library
The development of equatorial plasma irregularity plumes can be well recorded by steerable
backscatter radars operated at and off the magnetic equator due to the fact that the vertically …

Wave structure and polarization electric field development in the bottomside F layer leading to postsunset equatorial spread F

MA Abdu, JR de Souza, EA Kherani… - Journal of …, 2015 - Wiley Online Library
In this paper we present the results of a study on the characteristics of large‐scale wave
structure in the equatorial ionospheric F region that serve as precursor to postsunset …

Explicit characteristics of evolutionary‐type plasma bubbles observed from Equatorial Atmosphere Radar during the low to moderate solar activity years 2010–2012

KK Ajith, ST Ram, M Yamamoto… - Journal of …, 2015 - Wiley Online Library
Using the fan sector backscatter maps of 47 MHz Equatorial Atmosphere Radar (EAR) at
Kototabang (0.2° S geographic latitude, 100.3° E geographic longitude, and 10.4° S …