T. A. Clark

4.0k citations

152 papers · 2.3k · h-index 26

Impact in

Astronomy and Astrophysics top 2%
- Radio Astronomy Observations and Technology
- Ionosphere and magnetosphere dynamics
Oceanography top 2%
- Geophysics and Gravity Measurements

Papers in

Astronomy and Astrophysics 77
- Radio Astronomy Observations and Technology 34
- Solar and Space Plasma Dynamics 18
- Ionosphere and magnetosphere dynamics 13
Aerospace Engineering 54
- GNSS positioning and interference 38

Co-authors: Keith L. Mackie (3 shared papers)A. E. E. Rogers (42 shared papers)I. I. Shapiro (36 shared papers)A. R. Whitney (36 shared papers)C. A. Knight (35 shared papers)H. F. Hinteregger (34 shared papers)Chao Ma (15 shared papers)James W. Ryan (15 shared papers)
Journals: The Astrophysical Journal (14 papers)The Astronomical Journal (9 papers)Journal of Geophysical Research Atmospheres (9 papers)Nature (8 papers)Science (5 papers)
Partner nations: United States Canada United Kingdom

In The Last Decade

T. A. Clark

146 papers receiving 1.9k citations

Peers

Countries citing papers authored by T. A. Clark

Since Specialization

Citations

This map shows the geographic impact of T. A. Clark'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 T. A. Clark with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. A. Clark more than expected).

Fields of papers citing papers by T. A. Clark

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. A. Clark. 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 T. A. Clark. The network helps show where T. A. Clark may publish in the future.

Co-authors

The 25 scholars most cited alongside T. A. Clark, 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 T. A. Clark Line = papers co-authored together T. A. Clark 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 152 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Congregation and Community. Social Forces ·Kevin J. Christiano, Nancy T. Ammerman, Arthur E. Farnsley, Tammy Adams, Penny Edgell Becker, Brenda E. Brasher, T. A. Clark, Joan Cunningham, Nancy L. Eiesland, Barbara Elwell, Michelle S. Hale, Diana Jones, Virginia Laffey, Stacy Nicholas, Marcia Robinson, Mary Beth Sievans, Daphne Wiggins, Connie Zeigler	1997	196
2	Fermentation inhibitors in wood hydrolysates derived from the softwood Pinus radiata T. A. Clark, Keith L. Mackie	1984	195
3	Measurement of horizontal motions in Alaska using very long baseline interferometry Journal of Geophysical Research Atmospheres ·Chao Ma, Jeanne Sauber, L. J. Bell, T. A. Clark, David Gordon, W. E. Himwich, James W. Ryan	1990	120
4	Quasars Revisited: Rapid Time Variations Observed Via Very-Long-Baseline Interferometry Science ·A. R. Whitney, I. I. Shapiro, A. E. E. Rogers, D. S. Robertson, C. A. Knight, T. A. Clark, R. M. Goldstein, G. E. Marandino, N. R. Vandenberg	1971	106
5	Signal Characteristics of GPS User Antennas NAVIGATION Journal of the Institute of Navigation ·B. R. Schupler, Roger L. Allshouse, T. A. Clark	1994	66
6	The structure of radio sources 3C 273B and 3C 84 deduced from the 'closure' phases and visibility amplitudes observed with three-element interferometers The Astrophysical Journal ·A. E. E. Rogers, H. F. Hinteregger, A. R. Whitney, C. C. Counselman, I. I. Shapiro, J. J. Wittels, W. K. Klemperer, W. W. Warnock, T. A. Clark, L. K. Hutton	1974	59
7	Determination of relative site motions in the western United States using Mark III Very Long Baseline Interferometry Journal of Geophysical Research Atmospheres ·T. A. Clark, David Gordon, W. E. Himwich, Chao Ma, Anthony Mallama, James W. Ryan	1987	58
8	Geodesy by radio interferometry: Evidence for contemporary plate motion Journal of Geophysical Research Atmospheres ·T. A. Herring, I. I. Shapiro, T. A. Clark, Chao Ma, James W. Ryan, B. R. Schupler, C. A. Knight, G. Lundqvist, D. B. Shaffer, N. R. Vandenberg, B. E. Corey, H. F. Hinteregger, A. E. E. Rogers, J. C. Webber, A. R. Whitney, Gunnar Elgered, B. O. Rönnäng, J. L. Davis	1986	51
9	Spectrum of the Extra-galactic Background Radiation at Low Radio Frequencies Nature ·T. A. Clark, L. W. Brown, J. K. Alexander	1970	50
10	Fast Response FID Measurement of Unburned Hydrocarbons in the Exhaust Port of a Firing Gasoline Engine SAE technical papers on CD-ROM/SAE technical paper series ·I. C. Finlay, D J Boam, J. F. Bingham, T. A. Clark	1990	44
11	Quasars: Millisecond-of-Arc Structure Revealed by Very-Long-Baseline Interferometry Science ·C. A. Knight, D. S. Robertson, A. E. E. Rogers, I. I. Shapiro, A. R. Whitney, T. A. Clark, R. M. Goldstein, G. E. Marandino, N. R. Vandenberg	1971	43
12	Precision Geodesy via Radio Interferometry Science ·H. F. Hinteregger, I. I. Shapiro, D. S. Robertson, C. A. Knight, Raymond A. Ergas, A. R. Whitney, A. E. E. Rogers, J. M. Moran, T. A. Clark, B. F. Burke	1972	34
13	Radio-source positions from VLBI The Astronomical Journal ·Chao Ma, T. A. Clark, J. Ryan, T. A. Herring, I. I. Shapiro, B. E. Corey, H. F. Hinteregger, A. E. E. Rogers, A. R. Whitney, C. A. Knight, G. Lundqvist, D. B. Shaffer, N. R. Vandenberg, J. C. Pigg, B. R. Schupler, B. O. Rönnäng	1986	34
14	Decolorisation of Extraction Stage Bleach Plant Effluent by Combined Hypochlorite Oxidation and Anaerobic Treatment Water Science & Technology ·T. A. Clark, Mary E. Bruce, Sheree M. Anderson	1994	33
15	The very flat radio spectrum of 0735 plus 178 - A cosmic conspiracy The Astrophysical Journal ·W. D. Cotton, J. J. Wittels, I. I. Shapiro, J. M. Marcaide, F. N. Owen, S. R. Spangler, A. Rius, C. Angulo, T. A. Clark, C. A. Knight	1980	33
16	3C 279 - The case for 'superluminal' expansion The Astrophysical Journal ·W. D. Cotton, III Counselman C. C., R. B. Geller, I. I. Shapiro, J. J. Wittels, H. F. Hinteregger, C. A. Knight, A. E. E. Rogers, A. R. Whitney, T. A. Clark	1979	32
17	Transcontinental Baselines and the Rotation of the Earth Measured by Radio Interferometry Science ·I. I. Shapiro, D. S. Robertson, C. A. Knight, C. C. Counselman, A. E. E. Rogers, H. F. Hinteregger, S. L. Lippincott, A. R. Whitney, T. A. Clark, A. E. Niell, D. J. Spitzmesser	1974	31
18	A very‐long‐baseline interferometer system for geodetic applications Radio Science ·A. R. Whitney, A. E. E. Rogers, H. F. Hinteregger, C. A. Knight, J. I. Levine, S. L. Lippincott, T. A. Clark, I. I. Shapiro, D. S. Robertson	1976	31
19	Submilliarcsecond astrometry via VLBI. I - Relative position of the radio sources 3C 345 and NRAO 512 The Astronomical Journal ·I. I. Shapiro, J. J. Wittels, III Counselman C. C., D. S. Robertson, A. R. Whitney, H. F. Hinteregger, C. A. Knight, T. A. Clark, L. K. Hutton, A. E. Niell	1979	31
20	The Spectrum of the Cosmic Radio Background Between 0.4 and 6.5 MHz The Astrophysical Journal ·J. K. Alexander, L. W. Brown, T. A. Clark, R. G. Stone, R. R. Weber	1969	30

About T. A. Clark

T. A. Clark is a scholar working on Astronomy and Astrophysics, Aerospace Engineering, Oceanography, Atmospheric Science and Atomic and Molecular Physics, and Optics, having authored 152 papers that have together received 2.3k indexed citations. Recurring topics across this work include GNSS positioning and interference (38 papers), Radio Astronomy Observations and Technology (34 papers), Geophysics and Gravity Measurements (30 papers), Atmospheric Ozone and Climate (24 papers), Solar and Space Plasma Dynamics (18 papers), Astronomical Observations and Instrumentation (17 papers), Astrophysics and Cosmic Phenomena (14 papers) and Ionosphere and magnetosphere dynamics (13 papers). The work is most often cited by research in Astronomy and Astrophysics (952 citations), Oceanography (494 citations), Aerospace Engineering (624 citations), Nuclear and High Energy Physics (318 citations) and Geophysics (257 citations). T. A. Clark has collaborated with scholars based in United States, Canada and United Kingdom. Frequent co-authors include Keith L. Mackie, A. E. E. Rogers, I. I. Shapiro, A. R. Whitney, C. A. Knight, H. F. Hinteregger, Chao Ma, James W. Ryan, D. S. Robertson and D. J. W. Kendall. Their work appears in journals such as The Astrophysical Journal, The Astronomical Journal, Journal of Geophysical Research Atmospheres, Nature and Science.

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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