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한국천문연구원: 대전, KR

2007-12-01 to present | 책임연구원 (우주과학본부)
Employment
Source: Self-asserted source
Young-Sil Kwak

Education and qualifications (1)

경북대학교: 대구, KR

박사 (천문대기과학과)
Education
Source: Self-asserted source
Young-Sil Kwak

Works (46)

Observational Overview of the May 2024 G5-Level Geomagnetic Storm: From Solar Eruptions to Terrestrial Consequences

Journal of Astronomy and Space Sciences
2024-09 | Journal article
Contributors: Young-Sil Kwak; Jeong-Heon Kim; Sujin Kim; Yukinaga Miyashita; Taeyong Yang; Sung-Hong Park; Eun-Kyung Lim; Jongil Jung; Hosik Kam; Jaewook Lee et al.
Source: check_circle
Crossref

Observational Characteristics of High‐Latitude Ionization Trough Seen by Swarm

Journal of Geophysical Research: Space Physics
2024-05 | Journal article
Contributors: Su‐In Kim; Young‐Sil Kwak; Hyosub Kil; Jaeheung Park; Khan‐Hyuk Kim
Source: check_circle
Crossref

Vertical Wind Profiles in the Mesosphere and Lower Thermosphere Driven by Meteor Radar and Ionospheric Connection Explorer Observations Over the Korean Peninsula

Geophysical Research Letters
2024-02-28 | Journal article
Contributors: Jaewook Lee; Young‐Sil Kwak; Hosik Kam; Hyosub Kil; Jaeheung Park; Jeongheon Kim; Tae‐Yong Yang; Changsup Lee
Source: check_circle
Crossref

Deep Learning‐Based Regional Ionospheric Total Electron Content Prediction—Long Short‐Term Memory (LSTM) and Convolutional LSTM Approach

Space Weather
2024-01 | Journal article
Contributors: Se‐Heon Jeong; Woo Kyoung Lee; Hyosub Kil; Soojeong Jang; Jeong‐Heon Kim; Young‐Sil Kwak
Source: check_circle
Crossref

Observational evidence of thermospheric wind and composition changes and the resulting ionospheric disturbances in the European sector during extreme geomagnetic storms

Journal of Space Weather and Space Climate
2023 | Journal article
Contributors: Jeongheon Kim; Young-Sil Kwak; Changsup Lee; Jaewook Lee; Hosik Kam; Tae-Yong Yang; Geonhwa Jee; YongHa Kim
Source: check_circle
Crossref

Giant ionospheric density hole near the 2022 Hunga-Tonga volcanic eruption: multi-point satellite observations

Earth, Planets and Space
2023-12-08 | Journal article
Contributors: Jong-Min Choi; Charles Chien-Hung Lin; P. K. Rajesh; Jia-Ting Lin; Marty Chou; Young-Sil Kwak; Shih-Ping Chen
Source: check_circle
Crossref

Polar Mesospheric Summer Echo Characteristics in Magnetic Local Time and Height Profiles

Journal of Astronomy and Space Sciences
2023-09 | Journal article
Contributors: Young-Sook Lee; Ram Singh; Geonhwa Jee; Young-Sil Kwak; Yong Ha Kim
Source: check_circle
Crossref

Validation of Ionospheric Specifications During Geomagnetic Storms: TEC and foF2 During the 2013 March Storm Event‐II

Space Weather
2023-05 | Journal article
Contributors: J. S. Shim; I.‐S. Song; G. Jee; Y.‐S. Kwak; I. Tsagouri; L. Goncharenko; J. McInerney; A. Vitt; L. Rastaetter; J. Yue et al.
Source: check_circle
Crossref

Observational Evidence of Nonlinear Wave‐Wave Interaction Over Antarctic MLT Region

Journal of Geophysical Research: Space Physics
2023-04 | Journal article
Contributors: Jaewook Lee; Young‐Sil Kwak; Sunkara Eswaraiah; Hosik Kam; Yong Ha Kim; Changsup Lee; Jeong‐Han Kim
Source: check_circle
Crossref

Observations for the Ionosphere Using European Incoherent Scatter (EISCAT) in the Dayside Polar Cap/Cusp and Auroral Region

Journal of Astronomy and Space Sciences
2023-03 | Journal article
Contributors: Geonhwa Jee; Eun-Young Ji; Eunsol Kim; Young-Sil Kwak; Changsup Lee; Hyuck-Jin Kwon; Ji-Eun Kim; Young-Bae Ham; Ji-Hee Lee; Jeong-Han Kim et al.
Source: check_circle
Crossref

Response of Meteor Plasma Trails Observed by Meteor Radar to Geomagnetic Activity

Geophysical Research Letters
2023-03-28 | Journal article
Contributors: Hosik Kam; Young‐Sil Kwak; Changsup Lee; Jeong‐Heon Kim; Junseok Hong; Yong Ha Kim; Jeong‐Han Kim
Source: check_circle
Crossref

3‐D Regional Imaging of Ionosphere Over Africa Through Assimilating Satellite and Ground‐Based Data

Journal of Geophysical Research: Space Physics
2023-02 | Journal article
Contributors: Chalachew Kindie Mengist; Kyong‐Hwan Seo; Yong Ha Kim; S. Eswaraiah; Nicholas Ssessanga; Young‐Sil Kwak
Source: check_circle
Crossref

Hemispheric Asymmetry of the Polar Ionospheric Density Investigated by ESR and JVD Radar Observations and TIEGCM Simulations for the Solar Minimum Period

Journal of Geophysical Research: Space Physics
2023-02 | Journal article
Contributors: E. Kim; G. Jee; W. Wang; Y.‐S. Kwak; J.‐S. Shim; Y.‐B. Ham; Y. H. Kim
Source: check_circle
Crossref

Validation of Ionospheric Specifications During Geomagnetic Storms: TEC and foF2 during the 2013 March Storm Event-II

2022-12-18 | Preprint
Contributors: Ja Soon Shim; In-Sun Song; Geonhwa Jee; Young-Sil Kwak; Ioanna Tsagouri; Larisa Goncharenko; Joseph McInerney; Francis Vitt; Lutz Rastaetter; Jia Yue et al.
Source: check_circle
Crossref

Reconstruction of the Regional Total Electron Content Maps Over the Korean Peninsula Using Deep Convolutional Generative Adversarial Network and Poisson Blending

Space Weather
2022-08 | Journal article
Contributors: Se‐Heon Jeong; Woo Kyoung Lee; Soojeong Jang; Hyosub Kil; Jeong‐Heon Kim; Young‐Sil Kwak; Yong Ha Kim; Junseok Hong; Byung‐Kyu Choi
Source: check_circle
Crossref

Detection of Different Properties of Ionospheric Perturbations in the Vicinity of the Korean Peninsula After the Hunga‐Tonga Volcanic Eruption on 15 January 2022

Geophysical Research Letters
2022-07-28 | Journal article
Contributors: Junseok Hong; Hyosub Kil; Woo Kyoung Lee; Young‐Sil Kwak; Byung‐Kyu Choi; Larry J. Paxton
Source: check_circle
Crossref

SNIPE Mission for Space Weather Research

Journal of Space Technology and Applications
2022-05 | Journal article
Contributors: Jaejin Lee; Jongdae Sohn; Jaehung Park; Tae-Yong Yang; Ho Sub Song; Junga Hwang; Young-Sil Kwak; Won-Kee Park
Source: check_circle
Crossref

Propagating characteristics of mesospheric gravity waves observed by an OI 557.7 nm airglow all-sky camera at Mt. Bohyun (36.2° N, 128.9° E)

Annales Geophysicae
2022-05-02 | Journal article
Contributors: Jun-Young Hwang; Young-Sook Lee; Yong Ha Kim; Hosik Kam; Seok-Min Song; Young-Sil Kwak; Tae-Yong Yang
Source: check_circle
Crossref

Two different properties of ionospheric perturbations detected in the vicinity of the Korean Peninsula after the Hunga-Tonga volcanic eruption on 15 January 2022

2022-04-18 | Preprint
Contributors: Junseok Hong; Hyosub Kil; Woo Kyoung Lee; Young-Sil Kwak; Byung-Kyu Choi; Larry J. Paxton
Source: check_circle
Crossref

Characteristics of Horizontal Winds in the Mesosphere and Lower Thermosphere Region over Korean Peninsula Observed from the Korea Astronomy and Space Science Institute Meteor Radar

Journal of Astronomy and Space Sciences
2021-12 | Journal article
Contributors: Hosik Kam; Young-Sil Kwak; Tae-Yong Yang; Yong Ha Kim; Jeongheon Kim; Jaewook Lee; Seonghwan Choi; Ji-Hye Baek
Source: check_circle
Crossref

Inferring the Horizontal Speed of an Ionospheric Irregularity From a Single GPS Scintillation Receiver at High Latitudes

Journal of Geophysical Research: Space Physics
2021-11 | Journal article
Contributors: Junseok Hong; Jong‐Kyun Chung; Young‐Bae Ham; Young‐Sil Kwak; Yong Ha Kim
Source: check_circle
Crossref

Propagating characteristics of mesospheric gravity waves observed by an OI 557.7 nm airglow all-sky camera at Mt. Bohyun (36.2°N, 128.9°E)

2021-11-10 | Preprint
Contributors: Jun-Young Hwang; Young-Sook Lee; Yong Ha Kim; Hosik Kam; Young-Sil Kwak; Tae-Yong Yang
Source: check_circle
Crossref

Potential of Regional Ionosphere Prediction Using a Long Short‐Term Memory Deep‐Learning Algorithm Specialized for Geomagnetic Storm Period

Space Weather
2021-09 | Journal article
Contributors: Jeong‐Heon Kim; Young‐Sil Kwak; YongHa Kim; Su‐In Moon; Se‐Heon Jeong; JongYeon Yun
Source: check_circle
Crossref

Steepening Plasma Density Spectra in the Ionosphere: The Crucial Role Played by a Strong E‐Region

Journal of Geophysical Research: Space Physics
2021-08 | Journal article
Contributors: Magnus F. Ivarsen; Jean‐Pierre St‐Maurice; Yaqi Jin; Jaeheung Park; Wojciech Miloch; Andres Spicher; Young‐Sil Kwak; Lasse B. N. Clausen
Source: check_circle
Crossref

The First Report on the Afternoon E -Region Plasma Density Irregularities in Middle Latitude

Journal of Astronomy and Space Sciences
2021-06 | Journal article
Contributors: Tae-Yong Yang; Young-Sil Kwak; Jaewook Lee; Jaeheung Park; Seonghwan Choi
Source: check_circle
Crossref

Potential of regional ionosphere prediction using a long short-term memory (LSTM) deep-learning algorithm specialized for geomagnetic storm period

2021-03-06 | Other
Contributors: JEONGHEON Kim; Young-Sil Kwak; Yong Ha Kim; Su-In Moon; Se-Heon Jeong; Jongyeon Yun
Source: check_circle
Crossref

Observational Evidence for the Role of Hall Conductance in Alfvén Wave Reflection

Journal of Geophysical Research: Space Physics
2020-12 | Journal article
Contributors: Magnus F. Ivarsen; Jaeheung Park; Young‐Sil Kwak; Yaqi Jin; David J. Knudsen; Lasse B. N. Clausen
Source: check_circle
Crossref

Characteristics of Ionospheric Irregularities Using GNSS Scintillation Indices Measured at Jang Bogo Station, Antarctica (74.62°S, 164.22°E)

Space Weather
2020-10 | Journal article
Contributors: Junseok Hong; Jong‐Kyun Chung; Yong Ha Kim; Jaeheung Park; Hyuck‐Jin Kwon; Jeong‐Han Kim; Jong‐Min Choi; Young‐Sil Kwak
Source: check_circle
Crossref

Regional Ionospheric Parameter Estimation by Assimilating the LSTM Trained Results Into the SAMI2 Model

Space Weather
2020-10 | Journal article
Contributors: Jeong‐Heon Kim; Young‐Sil Kwak; Yong Ha Kim; Su‐In Moon; Se‐Heon Jeong; Jong Yeon Yun
Source: check_circle
Crossref

Regional ionospheric parameter estimation by assimilating the LSTM trained results into the SAMI2 model

2020-07-23 | Other
Contributors: JEONGHEON Kim; Young-Sil Kwak; Yong Ha Kim; Su-In Moon; Se-Heon Jeong; Jongyeon Yun
Source: check_circle
Crossref

Distribution of broad plasma depletions in the equatorial F region observed by the C/NOFS satellite

2020-07-09 | Other
Contributors: Jong-Min Choi; Young-Sil Kwak; Hyosub Kil; Jaeheung Park; Woo Kyoung Lee; Yong Ha Kim; Junseok Hong
Source: check_circle
Crossref

Observational evidence for the role of Hall conductance in Alfvén wave reflection

2020-04-25 | Other
Contributors: Magnus Fagernes Ivarsen; Jaeheung Park; Young-Sil Kwak; Yaqi Jin; David J. Knudsen; Lasse Boy Novock Clausen
Source: check_circle
Crossref

Dynamically Unstable Strong Wind Shears Observed in the Polar Mesosphere Summer Echo Layer Associated With Geomagnetic Disturbances

Journal of Geophysical Research: Space Physics
2020-02 | Journal article
Contributors: Young‐Sook Lee; Young‐Sil Kwak; Kyung‐Chan Kim; Yong Ha Kim
Source: check_circle
Crossref

On Imaging South African Regional Ionosphere Using 4D‐var Technique

Space Weather
2019-11 | Journal article
Contributors: Nicholas Ssessanga; Yong Ha Kim; John Bosco Habarulema; Young‐Sil Kwak
Source: check_circle
Crossref

Variation of the Hemispheric Asymmetry of the Equatorial Ionization Anomaly with Solar Cycle

Journal of Astronomy and Space Sciences
2019-09 | Journal article
Contributors: Young-Sil Kwak; Hyosub Kil; Woo Kyoung Lee; Tae-Yong Yang
Source: check_circle
Crossref

Assimilation of Multiple Data Types to a Regional Ionosphere Model With a 3D‐Var Algorithm (IDA4D)

Space Weather
2019-07 | Journal article
Contributors: Chalachew Kindie Mengist; Nicholas Ssessanga; Se‐Heon Jeong; Jeong‐Heon Kim; Yong Ha Kim; Young‐Sil Kwak
Source: check_circle
Crossref

What Do the New 2018 HIWIND Thermospheric Wind Observations Tell Us About High‐Latitude Ion‐Neutral Coupling During Daytime?

Journal of Geophysical Research: Space Physics
2019-07 | Journal article
Contributors: Qian Wu; Delores Knipp; Jing Liu; Wenbin Wang; Ingemar Häggström; Geonhwa Jee; Young‐Sil Kwak; Philip J. Erickson
Source: check_circle
Crossref

Analysis of the Steady State Available Energy Budget in the High‐Latitude Lower Thermosphere

Journal of Geophysical Research: Space Physics
2019-03 | Journal article
Contributors: Young‐Sil Kwak; Arthur D. Richmond
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Crossref

Responses of Nitrogen Oxide to High‐Speed Solar Wind Stream in the Polar Middle Atmosphere

Journal of Geophysical Research: Space Physics
2018-11 | Journal article
Contributors: Ji‐Hee Lee; Geonhwa Jee; Young‐Sil Kwak; Sang‐bum Hong; Heejin Hwang; In‐Sun Song; Young‐Sook Lee; Esa Turunen; Dae‐Young Lee
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Crossref

Anisotropic diffusion of meteor trails due to the geomagnetic field over King Sejong Station (62.2°S, 58.8°W), Antarctica

Astrophysics and Space Science
2018-06 | Journal article
Contributors: Jong-Min Choi; Young-Sil Kwak; Yong Ha Kim; Changsup Lee; Jeong-Han Kim; Geonhwa Jee; Tae-Yong Yang
Source: check_circle
Crossref

EISCAT Observation of Wave‐Like Fluctuations in Vertical Velocity of Polar Mesospheric Summer Echoes Associated With a Geomagnetic Disturbance

Journal of Geophysical Research: Space Physics
2018-06 | Journal article
Contributors: Young‐Sook Lee; Yong Ha Kim; Kyung‐Chan Kim; Young‐Sil Kwak; Timothy Sergienko; Sheila Kirkwood; Magnar G. Johnsen
Source: check_circle
Crossref

Alfvén waves in the auroral region, their Poynting flux, and reflection coefficient as estimated from Swarm observations

Journal of Geophysical Research: Space Physics
2017-02 | Journal article
Contributors: Jaeheung Park; Hermann Lühr; David J. Knudsen; Jonathan K. Burchill; Young‐Sil Kwak
Source: check_circle
Crossref

Morphology of high‐latitude plasma density perturbations as deduced from the total electron content measurements onboard the Swarm constellation

Journal of Geophysical Research: Space Physics
2017-01 | Journal article
Contributors: Jaeheung Park; Hermann Lühr; Guram Kervalishvili; Jan Rauberg; Claudia Stolle; Young‐Sil Kwak; Woo Kyoung Lee
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Crossref

Observation of atomic oxygen O(1S) green‐line emission in the summer polar upper mesosphere associated with high‐energy (≥30 keV) electron precipitation during high‐speed solar wind streams

Journal of Geophysical Research: Space Physics
2017-01 | Journal article
Contributors: Young‐Sook Lee; Young‐Sil Kwak; Kyung‐Chan Kim; Brian Solheim; Regina Lee; Jaejin Lee
Source: check_circle
Crossref

Periodicity in the occurrence of equatorial plasma bubbles derived from the C/NOFS observations in 2008–2012

Journal of Geophysical Research: Space Physics
2017-01 | Journal article
Contributors: Jong‐Min Choi; Hyosub Kil; Young‐Sil Kwak; Jaeheung Park; Woo Kyoung Lee; Yong Ha Kim
Source: check_circle
Crossref

Relative contributions of momentum forcing and heating to high‐latitude lower thermospheric winds

Journal of Geophysical Research: Space Physics
2017-01 | Journal article
Contributors: Young‐Sil Kwak; Arthur D. Richmond
Source: check_circle
Crossref

Peer review (2 reviews for 1 publication/grant)

Review activity for Earth, planets and space. (2)