G. J. Sofko

600 citations

27 papers · 503 indexed · h-index 12

Impact in

Astronomy and Astrophysics top 5%
- Ionosphere and magnetosphere dynamics
- Solar and Space Plasma Dynamics
- Astro and Planetary Science
Geophysics top 10%
- Earthquake Detection and Analysis

Papers in ⓘ

Astronomy and Astrophysics 26
- Ionosphere and magnetosphere dynamics 26
- Solar and Space Plasma Dynamics 10
- Astro and Planetary Science 1
Geophysics 14
- Earthquake Detection and Analysis 14
- Seismic Waves and Analysis 6

Co-authors: R. A. Greenwald (4 shared papers)S. E. Milan (2 shared papers)M. Lester (2 shared papers)K. Oksavik (1 shared paper)S. W. H. Cowley (1 shared paper)M. Brittnacher (1 shared paper)J. P. Villain (1 shared paper)G. C. Hussey (5 shared papers)
Journals: Journal of Geophysical Research Atmospheres (13 papers)Annales Geophysicae (5 papers)Radio Science (2 papers)Geophysical Research Letters (2 papers)Advances in Space Research (1 paper)
Partner nations: Canada United States United Kingdom

In The Last Decade

G. J. Sofko

23 papers receiving 430 citations

Peers

Countries citing papers authored by G. J. Sofko

Since Specialization

Citations

This map shows the geographic impact of G. J. Sofko's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by G. J. Sofko with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites G. J. Sofko more than expected).

Fields of papers citing papers by G. J. Sofko

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G. J. Sofko. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by G. J. Sofko. The network helps show where G. J. Sofko may publish in the future.

Co-authors

The 25 scholars most cited alongside G. J. Sofko, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with G. J. Sofko Line = papers co-authored together G. J. Sofko links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 27 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Variations in the polar cap area during two substorm cycles Annales Geophysicae ·S. E. Milan, M. Lester, S. W. H. Cowley, K. Oksavik, M. Brittnacher, R. A. Greenwald, G. J. Sofko, J. P. Villain	2003	176
2	Relationship between polar cap patches and field‐aligned irregularities as observed with an all‐sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet Journal of Geophysical Research Atmospheres ·Keisuke Hosokawa, K. Shiokawa, Yuichi Otsuka, T. Ogawa, J.‐P. St.‐Maurice, G. J. Sofko, D. A. Andre	2009	43
3	Detailed analysis of substorm observations using SuperDARN, UVI, ground‐based magnetometers, and all‐sky imagers Journal of Geophysical Research Atmospheres ·W. A. Bristow, G. J. Sofko, H. C. Stenbaek‐Nielsen, Shang Wei, D. Lummerzheim, A. Otto	2003	38
4	Bars — A dual bistatic auroral radar system for the study of electric fields in the Canadian sector of the auroral zone Advances in Space Research ·A. G. McNamara, D. R. McDiarmid, G. J. Sofko, J. A. Koehler, Peter Forsyth, D. R. Moorcroft	1982	35
5	A comparison of northern hemisphere winds using SuperDARN meteor trail and MF radar wind measurements Journal of Geophysical Research Atmospheres ·G. C. Hussey, C. E. Meek, Daniel André, A. H. Manson, G. J. Sofko, Chris Hall	2000	27
6	Ps 6 spatial and temporal structure from STARE and riometer observations Journal of Geophysical Research Atmospheres ·E. Nielsen, G. J. Sofko	1982	23
7	Periodic fading in 42-MHz auroral backscatter Journal of Geophysical Research Atmospheres ·G. J. Sofko, A. Kavadas	1969	20
8	A comparison of EISCAT and SuperDARN F-region measurements with consideration of the refractive index in the scattering volume Scopus ·R. G. Gillies, G. C. Hussey, G. J. Sofko, D. M. Wright, J. A. Davies	2010	16
9	Three‐way validation of the Rankin Inlet PolarDARN radar velocity measurements Radio Science ·A. V. Koustov, J.‐P. St.‐Maurice, G. J. Sofko, Daniel André, J. W. MacDougall, M. R. Hairston, Robyn Fiori, E. E. Kadochnikov	2009	15
10	Electrodynamics of a flux transfer event: Experimental test of the Southwood model Geophysical Research Letters ·A. Marchaudon, J.‐C. Cerisier, R. A. Greenwald, G. J. Sofko	2004	14
11	Relative O- and X-mode transmitted power from SuperDARN as it relates to the RRI instrument on ePOP Annales Geophysicae ·R. G. Gillies, G. C. Hussey, G. J. Sofko, H. G. James	2010	14
12	Doppler radio observations of 3‐meter irregularities in the polar cap E region Journal of Geophysical Research Atmospheres ·G. J. Sofko, J. A. Koehler, C. Haldoupis, M. McKibben, A. G. McNamara	1987	12
13	Postmidnight convection dynamics during substorm expansion phase Journal of Geophysical Research Atmospheres ·Jun Liang, G. J. Sofko, H. U. Frey	2006	10
14	Field‐aligned currents in the polar cap at small IMF B_z and B_y inferred from SuperDARN radar observations Journal of Geophysical Research Atmospheres ·A. V. Kustov, W. Lyatsky, G. J. Sofko, Liang Xu	2000	9
15	Eastward convection jet at the poleward boundary of the nightside auroral oval Geophysical Research Letters ·A. M. Hamza, Matthew Huber, W. Lyatsky, A. V. Kustov, Daniel André, G. J. Sofko	2000	8
16	Modeling measurements of ionospheric density structures using the polarization of high‐frequency waves detected by the Radio Receiver Instrument on the enhanced Polar Outflow Probe Journal of Geophysical Research Atmospheres ·R. G. Gillies, G. C. Hussey, G. J. Sofko, H. G. James	2012	8
17	Polarization characteristics of 42-MHz auroral backscatter Journal of Geophysical Research Atmospheres ·G. J. Sofko, A. Kavadas	1971	6
18	The ionospheric signature of transient dayside reconnection and the associated pulsed convection return flow Annales Geophysicae ·S. E. Milan, M. Lester, R. A. Greenwald, G. J. Sofko	1999	6
19	The August 28, 1978, storm: 1. GEOS 2 observations of the initial magnetopause crossings and STARE observations near the ionospheric convection reversal Journal of Geophysical Research Atmospheres ·G. J. Sofko, A. Korth, G. Kremser	1985	6
20	Observations of 50-MHz type-II coherent echoes from within the polar cap Annales Geophysicae ·A. V. Kustov, J. A. Koehler, G. J. Sofko, D. W. Danskin, M. McKibben	1994	4

About G. J. Sofko

G. J. Sofko is a scholar working on Astronomy and Astrophysics, Geophysics, Oceanography, Aerospace Engineering and Molecular Biology, having authored 27 papers that have together received 503 indexed citations. Recurring topics across this work include Ionosphere and magnetosphere dynamics (26 papers), Earthquake Detection and Analysis (14 papers), Solar and Space Plasma Dynamics (10 papers), GNSS positioning and interference (8 papers), Geomagnetism and Paleomagnetism Studies (7 papers), Seismic Waves and Analysis (6 papers), Geophysics and Gravity Measurements (4 papers) and Astro and Planetary Science (1 paper). The work is most often cited by research in Astronomy and Astrophysics (497 citations), Geophysics (166 citations), Aerospace Engineering (140 citations), Oceanography (46 citations) and Molecular Biology (212 citations). G. J. Sofko has collaborated with scholars based in Canada, United States and United Kingdom. Frequent co-authors include R. A. Greenwald, S. E. Milan, M. Lester, K. Oksavik, S. W. H. Cowley, M. Brittnacher, J. P. Villain, G. C. Hussey, E. Nielsen and J. A. Koehler. Their work appears in journals such as Journal of Geophysical Research Atmospheres, Annales Geophysicae, Radio Science, Geophysical Research Letters and Advances in Space Research.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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