Showing 321 - 340 results of 472 for search '"ionosphere"', query time: 0.05s Refine Results
  1. 321
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  3. 323

    Stratification of the Low-Latitude and Near-Equatorial F2 Layer, Topside Ionization Ledge, and F3 Layer: What We Know about This? A Review by M. V. Klimenko, B. Zhao, A. T. Karpachev, V. V. Klimenko

    Published 2012-01-01
    “…A large number of researches have been devoted to the formation of additional layers in the F region of the equatorial ionosphere, first of which has been published in 1940s. …”
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    Article
  4. 324

    Triple-Frequency GPS Precise Point Positioning Ambiguity Resolution Using Dual-Frequency Based IGS Precise Clock Products by Fei Liu, Yang Gao

    Published 2017-01-01
    “…Currently, most precise products are generated based on ionosphere-free combination of dual-frequency L1/L2 signals, which however are not consistent with the triple-frequency ionosphere-free carrier-phase measurements, resulting in inaccurate positioning and unstable float ambiguities. …”
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  5. 325

    Estimating Geomagnetically Induced Currents in High‐Voltage Power Lines for the Territory of Kazakhstan by A. B. Andreyev, S. N. Mukasheva, V. I. Kapytin, O. I. Sokolova

    Published 2023-12-01
    “…The impact of CMEs on the Earth's magnetosphere causes geomagnetic storms, which trigger geomagnetic effects measurable in the ionosphere, upper atmosphere, and on and in the ground. …”
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    Article
  6. 326

    Study on the Detectability of the Sky-Surface Wave Hybrid Radar by Hou Chengyu, Ke Guo, Shi Tiange, Wang Yuxin

    Published 2014-01-01
    “…From the result, we find that the resolution has relation with the location of the target and the height of reflection point of the ionosphere. But compared with the location, the effect of the ionospheric height can be ignored.…”
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    Article
  7. 327

    Altitude Extension of the NCAR‐TIEGCM (TIEGCM‐X) and Evaluation by Yihui Cai, Xinan Yue, Wenbin Wang, Shun‐Rong Zhang, Huixin Liu, Dong Lin, Haonan Wu, Jia Yue, Sean L. Bruinsma, Feng Ding, Zhipeng Ren, Libo Liu

    Published 2022-11-01
    “…Abstract The upper boundary height of the traditional community general circulation model of the ionosphere‐thermosphere system is too low to be applied to the topside ionosphere/thermosphere study. …”
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  8. 328

    Investigating the Interhemispheric Asymmetry in Joule Heating During the 2013 St. Patrick's Day Geomagnetic Storm by A. R. Smith, D. S. Ozturk, P. Delamere, G. Lu, H. Kim

    Published 2023-09-01
    “…Abstract Sudden changes in energy input from the magnetosphere during geomagnetic storms could drive extreme variability in the ionosphere‐thermosphere system, which in turn affect satellite operations and other modern infrastructure. …”
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    Article
  9. 329

    An Examination of SuperDARN Backscatter Modes Using Machine Learning Guided by Ray‐Tracing by B. S. R. Kunduri, J. B. H. Baker, J. M. Ruohoniemi, E. G. Thomas, S. G. Shepherd

    Published 2022-09-01
    “…Abstract The Super Dual Auroral Radar Network (SuperDARN) is a network of High Frequency (HF) radars that are typically used for monitoring plasma convection in the Earth's ionosphere. A majority of SuperDARN backscatter can broadly be divided into three categories: (a) ionospheric scatter due to reflections from plasma irregularities in the E and F regions of the ionosphere, (b) ground scatter caused by reflections from the ground/sea surface following reflection in the ionosphere, and (c) backscatter from meteor trails left by meteoroids as they enter the Earth's atmosphere. …”
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  10. 330

    Meeting Report: International Magnetosphere Coupling IV (IMC‐IV) Workshop GFZ‐Potsdam, Germany, 2–7 June 2024 by Julia Himmelsbach, Yuri Y. Shprits

    Published 2025-01-01
    “…Abstract The International Magnetospheric Coupling (IMC‐IV) Workshop was held from 2–7 June 2024, at GFZ‐Potsdam, Germany and convened over 140 scientists to explore the solar wind and magnetosphere‐ionosphere‐thermosphere coupling. The workshop included eight sessions on topics ranging from solar wind, planetary magnetospheres, wave‐particle interactions to the ionosphere and upper atmosphere, and applications for space weather. …”
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    Article
  11. 331

    The Great Reduction of Equatorial Electrojet During the Solar Eclipse on 14 December 2020 by Kedeng Zhang, Hui Wang

    Published 2022-12-01
    “…Abstract The solar eclipse has a great influence on the variability of the ionosphere because of the obscuration of solar radiation. …”
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    Article
  12. 332

    Two‐Line Elements Based Thermospheric Mass Density Specification From Parameter Optimization of a Physics‐Based Model by Dexin Ren, Jiuhou Lei

    Published 2023-09-01
    “…In addition, the GOFT model also improved the accuracy of the electron density in the ionosphere, indicating that the assimilation capability of GOFT allows simultaneous specification of coupled ionosphere and thermosphere in future applications.…”
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  13. 333

    Observations of Unusual Daytime Range Spread F at Middle Latitude During the Afternoon Hours by Lehui Wei, Chunhua Jiang, Ting Lan, Wenxuan Wang, Hua Shen, Ercha Aa, Wengeng Huang, Jing Liu, Guobin Yang, Yaogai Hu, Zhengyu Zhao

    Published 2021-11-01
    “…In addition, the seeding of TIDs/AGWs might be attributed to the stratosphere gravity waves over the Qinghai‐Tibetan Plateau, which causes the coupled of the atmosphere‐ionosphere‐thermosphere to significantly impact the ionosphere.…”
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  14. 334

    Reconstruction of the Regional Total Electron Content Maps Over the Korean Peninsula Using Deep Convolutional Generative Adversarial Network and Poisson Blending by Se‐Heon Jeong, Woo Kyoung Lee, Soojeong Jang, Hyosub Kil, Jeong‐Heon Kim, Young‐Sil Kwak, Yong Ha Kim, Junseok Hong, Byung‐Kyu Choi

    Published 2022-08-01
    “…Our interest is to rebuild small‐scale ionosphere structures on the TEC map in a local region where pronounced ionospheric structures, such as the equatorial ionization anomaly, are absent. …”
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  15. 335

    GPS-SBAS-Based Orbit Determination for Low Earth Orbiting Satellites by Mingyu Kim, Jeongrae Kim

    Published 2023-01-01
    “…To use the SBAS correction for low Earth orbit (LEO) satellites, the correction, especially the ionosphere correction, must be adjusted for the LEO altitude. …”
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  16. 336

    TIE‐GCM ROPE ‐ Dimensionality Reduction: Part I by Piyush M. Mehta, Richard J. Licata

    Published 2025-01-01
    “…Abstract Physics‐based models of the ionosphere‐thermosphere system have been touted as the next big thing in the context of drag modeling and space operations for decades. …”
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  17. 337

    Analysis of the Geoelectric Field in Sweden Over Solar Cycles 23 and 24: Spatial and Temporal Variability During Strong GIC Events by V. Lanabere, A. P. Dimmock, L. Rosenqvist, L. Juusola, A. Viljanen, A. Johlander, E. Odelstad

    Published 2023-12-01
    “…Through complex magnetosphere‐ionosphere coupling, the geoelectric field (E) and geomagnetic field (B) are highly perturbed. …”
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  18. 338

    Toward the Reconstruction of Substorm‐Related Dynamical Pattern of the Radiowave Auroral Absorption by V. A. Sergeev, M. A. Shukhtina, N. A. Stepanov, D. D. Rogov, A. V. Nikolaev, E. Spanswick, E. Donovan, T. Raita, A. Kero

    Published 2020-03-01
    “…Abstract In addition to existing empirical models describing the average distributions of energetic electron precipitation into the auroral ionosphere at different activity levels, we develop and test a semiempirical approach to construct dynamical models describing the recurrent features of spatiotemporal development of auroral absorption in the ionosphere during individual substorms. …”
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  19. 339

    A Deep Learning Model for the Thermospheric Nitric Oxide Emission by Xuetao Chen, Jiuhou Lei, Dexin Ren, Wenbin Wang

    Published 2021-03-01
    “…The comparison results suggest that NOE3D has better capability in predicting the NO emission than the Thermosphere‐Ionosphere Electrodynamics General Circulation Model. …”
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  20. 340

    Challenges in Specifying and Predicting Space Weather by R. W. Schunk, L. Scherliess, V. Eccles, L. C. Gardner, J. J. Sojka, L. Zhu, X. Pi, A. J. Mannucci, A. Komjathy, C. Wang, G. Rosen

    Published 2021-02-01
    “…Five data assimilation models and one physics‐based model were used to produce an ensemble mean output for Total Electron Content (TEC), ionospheric peak density (NmF2), and ionospheric peak height (hmF2) for latitudes less than 60° and all longitudes. …”
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    Article