GUVI Biblio





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Found 14 entries in the Bibliography.


Showing entries from 1 through 14


2022

Coordinated Observations of Rocket Exhaust Depletion: GOLD, Madrigal TEC, and Multiple Low-Earth-Orbit Satellites

A plasma density hole was created in the ionosphere by a rocket launch from Cape Canaveral, Florida near local sunset on 30 August 2020, which is called rocket exhaust depletion (RED). The hole persisted for several hours into the night and was observed in total electron content (TEC) maps, the Global-scale Observations of the Limb and Disk (GOLD) imager, and multiple low-earth-orbit satellites. The RED created a nightglow pit in the GOLD 135.6 nm image. Swarm satellites found that the RED exhibited insignificant changes in ...

Park, Jaeheung; Rajesh, P.; Ivarsen, Magnus; Lin, Charles; Eastes, Richard; Chao, Chi; Coster, Anthea; Clausen, Lasse; Burchill, Johnathan;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2022     DOI: 10.1029/2021JA029909

GOLD; Madrigal TEC; COSMIC-2; Norsat-1; rocket exhaust depletion; swarm

2021

Near Real-Time Global Plasma Irregularity Monitoring by FORMOSAT-7/COSMIC-2

This study presents initial results of the ionospheric scintillation in the F layer using the S4 index derived from the radio occultation experiment (RO-S4) on FORMOSAT-7/COSMIC-2 (F7/C2). With the sufficiently dense RO-S4 observations at low latitudes, it is possible to construct hourly, global scintillation maps to monitor equatorial plasma bubbles (EPBs). The preliminary F7/C2 RO-S4 during August 2019 to April 2020 show clear scintillation distributions around American and the Atlantic Ocean longitudes. The RO-S4 near Jic ...

Chen, Shih-Ping; Lin, Charles; Rajesh, Panthalingal; Liu, Jann-Yenq; Eastes, Richard; Chou, Min-Yang; Choi, Jong-Min;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2021     DOI: 10.1029/2020JA028339

equatorial plasma bubbles; FORMOSAT-7/COSMIC-2; global observation of limb and disk; GNSS scintillation; radio occultation; S4 index

Extreme Positive Ionosphere Storm Triggered by a Minor Magnetic Storm in Deep Solar Minimum Revealed by FORMOSAT-7/COSMIC-2 and GNSS Observations

This study examines an unexpected and extreme positive ionospheric response to a minor magnetic storm on August 5, 2019 by using global ionosphere specification (GIS) 3D electron density profiles obtained by assimilating radio occultation total electron content (TEC) measurements of the recently launched FORMOSAT-7/COSMIC-2 satellites, and ground-based global navigation satellite system (GNSS) TEC. The results reveal ∼300\% enhancement of equatorial ionization anomaly (EIA) crests, appearing over 200–300 km altitudes, an ...

Rajesh, P.; Lin, C.; . Y. Lin, C; Chen, C.; . Y. Liu, J; Matsuo, T.; Chen, S.; Yeh, W.; . Y. Huang, C;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2021     DOI: 10.1029/2020JA028261

FORMOSAT-7/COSMIC-2; Global Ionospheric Specification; ionospheric data assimilation; ionospheric response to magnetic storm; magnetosphere-ionosphere coupling; minor magnetic storm

Near Real-Time Global Plasma Irregularity Monitoring by FORMOSAT-7/COSMIC-2

Chen, Shih-Ping; Lin, Charles; Rajesh, Panthalingal; Liu, Jann-Yenq; Eastes, Richard; Chou, Min-Yang; Choi, Jong-Min;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2021     DOI:

Implication of Tidal Forcing Effects on the Zonal Variation of Solstice Equatorial Plasma Bubbles

Equatorial plasma bubbles (EPBs) are plasma depletions that can occur in the nighttime ionospheric F region, causing scintillation in satellite navigation and communications signals. Past research has shown that EPB occurrence rates are higher during the equinoxes in most longitude zones. An exception is over the central Pacific and African sectors, where EPB activity has been found to maximize during solstice. Tsunoda et al. (2015) hypothesized that the solstice maxima in these two sectors could be driven by a zonal wavenum ...

Chang, Loren; Salinas, Cornelius; Chiu, Yi-Chung; , Jones; Rajesh, P.; Chao, Chi-Kuang; Liu, Jann-Yenq; Lin, Charles; Hsiao, Tung-Yuan;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2021     DOI: 10.1029/2020JA028295

Ionosphere; Atmospheric tides; equatorial plasma bubble; scintillation; vertical coupling; wind dynamo

2020

Plasma depletion bays in the equatorial ionosphere observed by FORMOSAT-3/COSMIC during 2007—2014

Chang, FY; Liu, JY; Fang, TW; Rajesh, PK; Lin, CH;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2020     DOI:

2019

Signatures of Sudden Storm Commencement on the equatorial thermospheric dayglow

It has been observed that the OI 630.0\ nm dayglow emission over a dip equatorial station, Trivandrum (8.5\textdegree\ N, 77\textdegree\ E, dip 0.5\textdegree\ N), India registered an abrupt increase of\ ~\ 2000\ R during the compression phase of the magnetosphere as dictated by a sudden increase in solar wind ram pressure. Furthermore, an unusual depletion of these emissions has been observed during the eastward interplanetary electric field (IEF), concomitant with southward excursion o ...

Sumod, Sukumarn; Pant, Tarun; Ajesh, Asokan;

Published by: Journal of Space Weather and Space Climate      Published on: 06/2019

YEAR: 2019     DOI: 10.1051/swsc/2019026

2011

Ionospheric electron content and NmF2 from nighttime OI 135.6 nm intensity

Rajesh, P.; Liu, J; Hsu, M.; Lin, C.; Oyama, K.; Paxton, L.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2011

YEAR: 2011     DOI: 10.1029/2010JA015686

The O I 135.6 nm airglow observations of the midlatitude summer nighttime anomaly by TIMED/GUVI

Hsu, M.; Lin, C.; Hsu, R.; Liu, J; Paxton, L.; Su, H.; Tsai, H.; Rajesh, P.; Chen, C.;

Published by: Journal of Geophysical Research      Published on: Jan-01-2011

YEAR: 2011     DOI: 10.1029/2010JA016150

The OI 135.6 nm airglow observations of the midlatitude summer nighttime anomaly by TIMED/GUVI

Hsu, ML; Lin, CH; Hsu, RR; Liu, JY; Paxton, LJ; Su, HT; Tsai, HF; Rajesh, PK; Chen, CH;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 2011     DOI:

2009

Ionospheric Electron Density Concurrently Derived by TIP and GOX of FORMOSAT-3/COSMIC.

The tiny ion o spheric pho tom e ter (TIP) and GPS occultation ex per i ment (GOX) onboard FORMOSAT-3/COS MIC (F3/C) are em ployed to mea sure the OI 135.6 nm in ten si ties in

Hsu, Mei-Lan; Rajesh, Panthalingal; Liu, Jann-Yenq; Tsai, Lung-Chih; Tsai, Ho-Fang; Lin, Chien-Hung; Dymond, Kenneth; Coker, Clayton; Chua, Damien; Budzien, Scott; , others;

Published by: Terrestrial, Atmospheric \& Oceanic Sciences      Published on:

YEAR: 2009     DOI: 10.3319/TAO.2008.04.24.02(F3C)

2008

The OI 135.6 nm Observations of the Weddell Sea Anomaly and the Nighttime Mid-Latitude Enhancement

Hsu, M; Liu, J; Lin, C; Tsai, H; Rajesh, P; Paxton, L; Hsu, R; Su, H;

Published by:       Published on:

YEAR: 2008     DOI:

The structure of equatorial ionization anomaly seen by TIMED/GUVI limb observations

Lee, I; Liu, J; Rajesh, P; Lin, C;

Published by:       Published on:

YEAR: 2008     DOI:

2006

The relationship between TIMED/GUVI and Global GPS-TEC measurements in the equatorial ionization anomaly region

Hsu, M; Liu, J; Lin, C; Tsai, H; Paxton, L; Rajesh, P;

Published by:       Published on:

YEAR: 2006     DOI:



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