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Roland T. Tsunoda

Roland T. Tsunoda

Roland T. Tsunoda publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Roland T. Tsunoda sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

The last bar groups every scientist with 510 publications or more.

Roland T. Tsunoda D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Roland T. Tsunoda sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

The last bar groups every scientist with 94 D-Index or more.

Overview

Roland T. Tsunoda is affiliated with SRI International in the United States and focuses on research within the fields of Physics and Astronomy. Their work encompasses key subfields such as Astronomy and Astrophysics, Oceanography, and Ocean Engineering, reflecting a multidisciplinary approach to space and earth sciences.

Tsunoda's research prominently addresses topics including:

  • Ionosphere and magnetosphere dynamics
  • Solar and Space Plasma Dynamics
  • Lightning and Electromagnetic Phenomena
  • Geophysics and Gravity Measurements
  • Underwater Vehicles and Communication Systems

The scientist has contributed to multiple scholarly publications, with recent papers highlighting observational and simulation studies in geophysics and space science. Notable publications include:

  • "Observations of Equatorial Spread F," published in 2021 in the Geophysical Monograph
  • "Satellite Traces: Ionogram Signatures of Bottom-Side Upwelling Structures - A Simulation Study," published in 2025 in Geophysical Research Letters

Throughout their career, Roland T. Tsunoda has collaborated with several researchers frequently, including M. Ankita, S. Tulasi Ram, T. Yokoyama, A. P. Dimri, and Subarna Mondal. These collaborations indicate active engagement within the scientific community focused on space physics and related disciplines.

Their work has been published primarily in venues such as Geophysical Monograph and Geophysical Research Letters, pointing to contributions that align with advancements in geophysical and space research.

Best Publications

  • Equatorial plasma bubbles: Vertically elongated wedges from the bottomside F layer

    R. T. Tsunoda;R. C. Livingston;J. P. McClure;W. B. Hanson

  • On the generation and growth of equatorial backscatter plumes 1. Wave structure in the bottomside F layer

    Roland T. Tsunoda;Barbara R. White

  • Onset conditions for equatorial spread F

    Michael Mendillo;Jeffrey Baumgardner;Xiaoqing Pi;Peter J. Sultan

  • Time evolution and dynamics of equatorial backscatter plumes 1. Growth phase

    Roland T. Tsunoda

  • On the enigma of day-to-day variability in equatorial spread F

    Roland T. Tsunoda

  • Instability of the E-F coupled nighttime midlatitude ionosphere

    Russell B. Cosgrove;Roland T. Tsunoda

  • A direction‐dependent instability of sporadic‐E layers in the nighttime midlatitude ionosphere

    Russell B. Cosgrove;Roland T. Tsunoda

  • Magnetic-field-aligned characteristics of plasma bubbles in the nighttime equatorial ionosphere

    Roland T Tsunoda

  • Coupled electrodynamics in the nighttime midlatitude ionosphere

    Roland T. Tsunoda;Russell B. Cosgrove

  • On the origin of quasi‐periodic radar backscatter from midlatitude sporadic E

    Roland T. Tsunoda;Shoichiro Fukao;Mamoru Yamamoto

  • Evidence of a velocity shear in bulk plasma motion associated with the post‐sunset rise of the equatorial F‐layer

    R. T. Tsunoda;R. C. Livingston;C. L. Rino

  • Simultaneous rocket probe and radar measurements of equatorial spread F—Transitional and short wavelength results

    M. C. Kelley;R. Pfaff;K. D. Baker;J. C. Ulwick

  • Simultaneous Rocket-Borne Beacon and In Situ Measurements of Equatorial Spread F - Intermediate Wavelength Results

    C. L. Rino;R. T. Tsunoda;J. Petriceks;R. C. Livingston

  • Spatial structure of the E region field-aligned irregularities revealed by the MU radar

    Mamoru Yamamoto;Norio Komoda;Shoichiro Fukao;Roland T. Tsunoda

  • On the generation and growth of equatorial backscatter plumes: 2. Structuring of the west walls of upwellings

    Roland T. Tsunoda

  • The SEEK (Sporadic‐E Experiment over Kyushu) Campaign

    Shoichiro Fukao;Mamoru Yamamoto;Roland T. Tsunoda;Hajime Hayakawa

  • Sources of F region ionization enhancements in the nighttime auroral zone

    R. M. Robinson;R. T. Tsunoda;J. F. Vickrey;L. Guerin

  • On seeding equatorial spread F during solstices

    Roland T. Tsunoda

  • On equatorial spread F: Establishing a seeding hypothesis

    Roland T. Tsunoda

  • Altair: an incoherent scatter radar for equatorial spread F studies

    R. T. Tsunoda;M. J. Baron;J. Owen;D. M. Towle

Frequent Co-Authors

Mamoru Yamamoto
Mamoru Yamamoto Kyoto University
Shoichiro Fukao
Shoichiro Fukao Kyoto University
Warner L. Ecklund
Warner L. Ecklund Cooperative Institute for Research in Environmental Sciences
Michael C. Kelley
Michael C. Kelley Cornell University
Tadahiko Ogawa
Tadahiko Ogawa National Institute of Information and Communications Technology
Jonathan J. Makela
Jonathan J. Makela University of Illinois at Urbana-Champaign
W. B. Hanson
W. B. Hanson The University of Texas at Dallas
Keith M. Groves
Keith M. Groves Boston College
Akinori Saito
Akinori Saito Kyoto University
Miguel F. Larsen
Miguel F. Larsen Clemson University

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