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Works (37)

Conditions for the Kelvin‐Helmholtz Instability in the Polar Ionosphere

Geophysical Research Letters
2025-03-16 | Journal article
DOI: 10.1029/2025GL114621
Contributors: Andreas Kvammen; Andres Spicher; Matthew Zettergren; Devin Huyghebaert; Theresa Rexer; Björn Gustavsson; Juha Vierinen
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On the Identification of the Dayside Auroral Region Using Incoherent Scatter Radar

Journal of Geophysical Research: Space Physics
2024-12 | Journal article
DOI: 10.1029/2024JA033361
Contributors: Ingeborg Frøystein; Andres Spicher; Björn Gustavsson; Kjellmar Oksavik; Magnar Gullikstad Johnsen
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The Growth and Decay of Intense GNSS Amplitude and Phase Scintillation During Non‐Storm Conditions

Space Weather
2024-12 | Journal article
DOI: 10.1029/2024SW004108
Contributors: Mahith Madhanakumar; Andres Spicher; Juha Vierinen; Kjellmar Oksavik; Anthea J. Coster; Devin Ray Huyghebaert; Carley J. Martin; Ingemar Häggström; Larry J. Paxton
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Statistical Analysis of Off‐Great Circle Radio Wave Propagation in the Polar Cap

Radio Science
2024-04 | Journal article
DOI: 10.1029/2023RS007897
Contributors: T. G. Cameron; R. A. D. Fiori; G. W. Perry; A. Spicher; T. Thayaparan
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Statistical Studies of Plasma Structuring in the Auroral Ionosphere by the Swarm Satellites

Journal of Geophysical Research: Space Physics
2024-02 | Journal article
DOI: 10.1029/2023JA032097
Contributors: L. M. Buschmann; L. B. N. Clausen; A. Spicher; M. F. Ivarsen; W. J. Miloch
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The role of particle precipitation on plasma structuring at different altitudes by in-situ measurements

Journal of Space Weather and Space Climate
2023 | Journal article
DOI: 10.1051/swsc/2023012
Contributors: Lisa M. Buschmann; John W. Bonnell; Scott Bounds; Lasse B.N. Clausen; Craig Kletzing; Sigvald Marholm; Wojciech J. Miloch; Roger Roglans; Andres Spicher
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Statistical studies of plasma structuring in the auroral ionosphere by the Swarm satellites

2023-12-01 | Preprint
DOI: 10.22541/essoar.169841335.57253983/v2
Contributors: Lisa Marie Buschmann; Lasse Boy Novock Clausen; Andres Spicher; Magnus Fagernes Ivarsen; Wojciech Jacek Miloch
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Ionospheric Flow Vortex Induced by the Sudden Decrease in the Solar Wind Dynamic Pressure

Journal of Geophysical Research: Space Physics
2023-11 | Journal article
DOI: 10.1029/2023JA031690
Contributors: Yaqi Jin; Jøran Idar Moen; Andres Spicher; Jianjun Liu; Lasse B. N. Clausen; Wojciech J. Miloch
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GNSS Scintillations in the Cusp, and the Role of Precipitating Particle Energy Fluxes

Journal of Geophysical Research: Space Physics
2023-10 | Journal article
DOI: 10.1029/2023JA031849
Contributors: Magnus F. Ivarsen; Yaqi Jin; Andres Spicher; Jean‐Pierre St‐Maurice; Jaeheung Park; Daniel Billett
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Investigating Spatial and Temporal Structuring of E‐Region Coherent Scattering Regions Over Northern Norway

Journal of Geophysical Research: Space Physics
2023-10 | Journal article
DOI: 10.1029/2023JA031682
Contributors: Devin Huyghebaert; Jorge L. Chau; Andres Spicher; Magnus F. Ivarsen; Matthias Clahsen; Ralph Latteck; Juha Vierinen
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Statistical studies of plasma structuring in the auroral ionosphere by the Swarm satellites

2023-10-27 | Preprint
DOI: 10.22541/essoar.169841335.57253983/v1
Contributors: Lisa Marie Buschmann; Lasse Boy Novock Clausen; Andres Spicher; Magnus Fagernes Ivarsen; Wojciech Jacek Miloch
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GNSS Scintillations in the Cusp, and the Role of Precipitating Particle Energy Fluxes

2023-07-23 | Preprint
DOI: 10.22541/essoar.169008291.13031539/v1
Contributors: Magnus Fagernes Ivarsen; Yaqi Jin; Andres Spicher; Jean-Pierre St.- Maurice; Jaeheung Park; Daniel Billett
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The Distribution of Small‐Scale Irregularities in the E‐Region, and Its Tendency to Match the Spectrum of Field‐Aligned Current Structures in the F‐Region

Journal of Geophysical Research: Space Physics
2023-05 | Journal article
DOI: 10.1029/2022JA031233
Contributors: Magnus F. Ivarsen; Adam Lozinsky; Jean‐Pierre St‐Maurice; Andres Spicher; Devin Huyghebaert; Glenn C. Hussey; Draven Galeschuk; Brian Pitzel; Juha Vierinen
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Ionospheric Flow Vortex Induced by the Sudden Decrease in the Solar Wind Dynamic Pressure

2023-05-25 | Preprint
DOI: 10.22541/essoar.168500333.32741884/v1
Contributors: Yaqi Jin; Jøran Idar Moen; Andres Spicher; Jianjun Liu; Lasse Boy Novock Clausen; Wojciech Jacek Miloch
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Significant Ionospheric Hole and Equatorial Plasma Bubbles After the 2022 Tonga Volcano Eruption

Space Weather
2022-07 | Journal article
DOI: 10.1029/2022SW003101
Contributors: Ercha Aa; Shun‐Rong Zhang; Philip J. Erickson; Juha Vierinen; Anthea J. Coster; Larisa P. Goncharenko; Andres Spicher; William Rideout
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Interferometric Study of Ionospheric Plasma Irregularities in Regions of Phase Scintillations and HF Backscatter

Geophysical Research Letters
2022-06-28 | Journal article
DOI: 10.1029/2021GL097013
Contributors: Andres Spicher; James LaBelle; John W. Bonnell; Roger Roglans; Chrystal Moser; Stephen A. Fuselier; Scott Bounds; Lasse B. N. Clausen; Francesca Di Mare; Connor A. Feltman et al.
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Significant ionospheric hole and equatorial plasma bubbles after the 2022 Tonga volcano eruption

2022-05-27 | Preprint
DOI: 10.1002/essoar.10510637.2
Contributors: Ercha Aa; Shun-Rong Zhang; Philip J Erickson; Juha Vierinen; Anthea J. Coster; Larisa P. Goncharenko; Andres Spicher; William Rideout
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Significant equatorial plasma bubbles and global ionospheric disturbances after the 2022 Tonga volcano eruption

2022-02-25 | Preprint
DOI: 10.1002/essoar.10510637.1
Contributors: Ercha Aa; Shun-Rong Zhang; Philip J Erickson; Juha Vierinen; Anthea J. Coster; Larisa P. Goncharenko; Andres Spicher; William Rideout
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2022 Tonga volcanic eruption induced global propagation of ionospheric disturbances via Lamb waves

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2022-02-09 | Preprint
DOI: 10.1002/essoar.10510445.1
Source: Self-asserted source
Andres Spicher

Suppression of Ionospheric Irregularity Due to Auroral Particle Impact

Journal of Geophysical Research: Space Physics
2022-01 | Journal article
DOI: 10.1029/2020JA028725
Contributors: Toru Takahashi; Andres Spicher; Francesca Di Mare; Douglas E. Rowland; Robert F. Pfaff; Michael R. Collier; Lasse Boy Novock Clausen; Jøran Idar Moen
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Statistical Distribution of Decameter Scale (50 m) Ionospheric Irregularities at High Latitudes

Geophysical Research Letters
2021-10-16 | Journal article
DOI: 10.1029/2021GL094794
Contributors: Yaqi Jin; Lasse B. N. Clausen; Andres Spicher; Magnus F. Ivarsen; Yongliang Zhang; Wojciech J. Miloch; Jøran I. Moen
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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
DOI: 10.1029/2021JA029401
Contributors: Magnus F. Ivarsen; Jean‐Pierre St‐Maurice; Yaqi Jin; Jaeheung Park; Wojciech Miloch; Andres Spicher; Young‐Sil Kwak; Lasse B. N. Clausen
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Turbulence and Intermittency in the Winter Cusp Ionosphere Studied With the ICI Sounding Rockets

Journal of Geophysical Research: Space Physics
2021-08 | Journal article
DOI: 10.1029/2021JA029150
Contributors: F. Di Mare; A. Spicher; L. B. N. Clausen; W. J. Miloch; J. I. Moen
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The Lifetimes of Plasma Structures at High Latitudes

2021-08-09 | Preprint
DOI: 10.1002/essoar.10502891.2
Contributors: Magnus Fagernes Ivarsen; Yaqi Jin; Andres Spicher; Wojciech Jacek Miloch; Lasse Boy Novock Clausen
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The Lifetimes of Plasma Structures at High Latitudes

Journal of Geophysical Research: Space Physics
2021-02 | Journal article
DOI: 10.1029/2020JA028117
Contributors: Magnus F. Ivarsen; Yaqi Jin; Andres Spicher; Wojciech Miloch; Lasse B. N. Clausen
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The Cusp as a VLF Saucer Source: First Rocket Observations of Long‐Duration VLF Saucers on the Dayside

Geophysical Research Letters
2021-01-28 | Journal article
DOI: 10.1029/2020GL090747
Contributors: C. Moser; J. LaBelle; S. Hatch; J. I. Moen; A. Spicher; T. Takahashi; C. A. Kletzing; S. Bounds; K. Oksavik; F. Sigernes et al.
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The Cusp as a VLF Saucer Source: First Rocket Observations of Long-Duration VLF Saucers on the Dayside

2020-09-25 | Other
DOI: 10.1002/essoar.10504347.1
Contributors: Chrystal Moser; James LaBelle; Spencer Mark Hatch; Jøran I. Moen; Andres Spicher; Toru Takahashi; Craig A. Kletzing; Scott Randolph Bounds; Kjellmar Oksavik; Fred Sigernes et al.
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Ionospheric Plasma Irregularities Based on In Situ Measurements From the Swarm Satellites

Journal of Geophysical Research: Space Physics
2020-07 | Journal article
DOI: 10.1029/2020JA028103
Contributors: Yaqi Jin; Chao Xiong; Lasse Clausen; Andres Spicher; Daria Kotova; Steffen Brask; Guram Kervalishvili; Claudia Stolle; Wojciech Miloch
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On the Production of Ionospheric Irregularities Via Kelvin‐Helmholtz Instability Associated with Cusp Flow Channels

Journal of Geophysical Research: Space Physics
2020-06 | Journal article
DOI: 10.1029/2019JA027734
Contributors: Andres Spicher; Kshitija Deshpande; Yaqi Jin; Kjellmar Oksavik; Matthew D. Zettergren; Lasse B. N. Clausen; Jøran I. Moen; Marc R. Hairston; Lisa Baddeley
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Dayside Field‐Aligned Current Impacts on Ionospheric Irregularities

Geophysical Research Letters
2020-06-16 | Journal article
DOI: 10.1029/2019GL086722
Contributors: A. Fæhn Follestad; K. Herlingshaw; H. Ghadjari; D. J. Knudsen; K. A. McWilliams; J. I. Moen; A. Spicher; J. Wu; Kjellmar Oksavik
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The Lifetimes of Plasma Structures at High Latitudes

2020-04-25 | Other
DOI: 10.1002/essoar.10502891.1
Contributors: Magnus Fagernes Ivarsen; Yaqi Jin; Andres Spicher; Wojciech Jacek Miloch; Lasse Boy Novock Clausen
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Simultaneous Rocket and Scintillation Observations of Plasma Irregularities Associated With a Reversed Flow Event in the Cusp Ionosphere

Journal of Geophysical Research: Space Physics
2019-08 | Journal article
DOI: 10.1029/2019JA026942
Contributors: Yaqi Jin; Jøran I. Moen; Andres Spicher; Kjellmar Oksavik; Wojciech J. Miloch; Lasse B. N. Clausen; Mariusz Pożoga; Yoshifumi Saito
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Direct Evidence for the Dissipation of Small‐Scale Ionospheric Plasma Structures by a Conductive E Region

Journal of Geophysical Research: Space Physics
2019-04 | Journal article
DOI: 10.1029/2019JA026500
Contributors: Magnus F Ivarsen; Yaqi Jin; Andres Spicher; Lasse B N Clausen
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Ionospheric Plasma Irregularities Characterized by the Swarm Satellites: Statistics at High Latitudes

Journal of Geophysical Research: Space Physics
2019-02 | Journal article
DOI: 10.1029/2018JA026063
Contributors: Yaqi Jin; Andres Spicher; Chao Xiong; Lasse B. N. Clausen; Guram Kervalishvili; Claudia Stolle; Wojciech J. Miloch
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Wake Potential and Wake Effects on the Ionospheric Plasma Density Measurements With Sounding Rockets

Journal of Geophysical Research: Space Physics
2018-11 | Journal article
DOI: 10.1029/2017JA025004
Contributors: J. J. P. Paulsson; A. Spicher; L. B. N. Clausen; J. I. Moen; W. J. Miloch
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Extremely Low‐Frequency Waves Inside the Diamagnetic Cavity of Comet 67P/Churyumov‐Gerasimenko

Geophysical Research Letters
2018-05-16 | Journal article
DOI: 10.1029/2017GL076415
Contributors: B. Madsen; C. Simon Wedlund; A. Eriksson; C. Goetz; T. Karlsson; H. Gunell; A. Spicher; P. Henri; X. Vallières; W. J. Miloch
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Interhemispheric study of polar cap patch occurrence based on Swarm in situ data

Journal of Geophysical Research: Space Physics
2017-03 | Journal article
DOI: 10.1002/2016JA023750
Contributors: A. Spicher; L. B. N. Clausen; W. J. Miloch; V. Lofstad; Y. Jin; J. I. Moen
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