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Earth Science
Taiwan
2026

D-Index & Metrics

Earth Science

D-Index
64
Citations
14805
World Ranking
1486
National Ranking
4

Jann-Yenq Liu 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 Jann-Yenq Liu 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+

This scientist: 440 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Jann-Yenq Liu 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 Jann-Yenq Liu 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+

This scientist: 64 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Earth Science in Taiwan Leader Award
  • 2025 - Research.com Earth Science in Taiwan Leader Award
  • 2022 - Research.com Earth Science in Taiwan Leader Award

Overview

Jann-Yenq Liu is affiliated with National Central University in Taiwan and has a research focus broadly in Earth and Planetary Sciences and Physics and Astronomy. Their work emphasizes subfields including Geophysics, Astronomy and Astrophysics, Aerospace Engineering, Molecular Biology, and Atmospheric Science.

The scholar's research topics cover a range of subjects, primarily centered on ionospheric and magnetospheric dynamics, earthquake detection and analysis, solar and space plasma dynamics, seismic wave analysis, GNSS positioning and interference, earthquake and tectonic studies, and geomagnetism and paleomagnetism studies.

They have published extensively in journals such as:

  • Journal of Geophysical Research Space Physics (14 publications)
  • Advances in Space Research (11 publications)
  • Terrestrial Atmospheric and Oceanic Sciences (8 publications)
  • Geophysical Research Letters (7 publications)
  • Remote Sensing (6 publications)

Frequent collaborators in their research include Chien-Hung Lin, Chieh-Hung Chen, Yang-Yi Sun, Loren C. Chang, and C. Y. Lin.

Some recent notable papers authored by or involving Jann-Yenq Liu are:

  • "Rapid Conjugate Appearance of the Giant Ionospheric Lamb Wave Signatures in the Northern Hemisphere After Hunga-Tonga Volcano Eruptions," 2022, Geophysical Research Letters
  • "The Early Results and Validation of FORMOSAT-7/COSMIC-2 Space Weather Products: Global Ionospheric Specification and Ne-Aided Abel Electron Density Profile," 2020, Journal of Geophysical Research Space Physics
  • "Extreme Poleward Expanding Super Plasma Bubbles Over Asia-Pacific Region Triggered by Tonga Volcano Eruption During the Recovery-Phase of Geomagnetic Storm," 2022, Geophysical Research Letters
  • "Atmospheric and ionospheric coupling phenomena associated with large earthquakes," 2021, The European Physical Journal Special Topics
  • "Individual Wave Propagations in Ionosphere and Troposphere Triggered by the Hunga Tonga-Hunga Ha'apai Underwater Volcano Eruption on 15 January 2022," 2022, Remote Sensing

The scope of research undertaken by Jann-Yenq Liu involves investigations into ionospheric and atmospheric coupling processes, space weather product validation, and the impact of geophysical events such as volcanic eruptions and geomagnetic storms on plasma dynamics and seismic wave propagation.

Best Publications

  • Pre-earthquake ionospheric anomalies registered by continuous GPS TEC measurements

    J. Y. Liu;Y. J. Chuo;S. J. Shan;Y. B. Tsai

  • A statistical investigation of preearthquake ionospheric anomaly

    J. Y. Liu;Y. I. Chen;Y. J. Chuo;C. S. Chen

  • Seismo‐ionospheric signatures prior to M≥6.0 Taiwan earthquakes

    J. Y. Liu;Y. I. Chen;S. A. Pulinets;Y. B. Tsai

  • Variations of ionospheric total electron content during the Chi-Chi earthquake

    J. Y. Liu;Y. I. Chen;Y. J. Chuo;H. F. Tsai

  • Seismoionospheric GPS total electron content anomalies observed before the 12 May 2008 Mw7.9 Wenchuan earthquake

    Jann-Yenq Liu;Y. I. Chen;Chia-Hung Chen;C. Y. Liu

  • Theoretical study of the low- and midlatitude ionospheric electron density enhancement during the October 2003 superstorm: Relative importance of the neutral wind and the electric field

    C. H. Lin;C. H. Lin;A. D. Richmond;R. A. Heelis;G. J. Bailey

  • Ionospheric disturbances triggered by the 11 March 2011 M9.0 Tohoku earthquake

    Jann Yenq Liu;Jann Yenq Liu;Chia Hung Chen;Chien Hung Lin;Ho Fang Tsai

  • Giant ionospheric disturbances excited by the M9.3 Sumatra earthquake of 26 December 2004

    J. Y. Liu;Y. B. Tsai;S. W. Chen;C. P. Lee

  • A statistical analysis of ionospheric anomalies before 736 M6.0+ earthquakes during 2002-2010

    H. Le;H. Le;J. Y. Liu;L. Liu

  • Rapid Conjugate Appearance of the Giant Ionospheric Lamb Wave Signatures in the Northern Hemisphere After Hunga‐Tonga Volcano Eruptions

    Unknown

  • Plausible effect of atmospheric tides on the equatorial ionosphere observed by the FORMOSAT‐3/COSMIC: Three‐dimensional electron density structures

    C. H. Lin;W. Wang;M. E. Hagan;C. C. Hsiao

  • Motions of the equatorial ionization anomaly crests imaged by FORMOSAT-3/COSMIC

    C. H. Lin;J. Y. Liu;T. W. Fang;T. W. Fang;P. Y. Chang

  • Longitudinal structure of the equatorial ionosphere: Time evolution of the four-peaked EIA structure

    C. H. Lin;C. C. Hsiao;J. Y. Liu;C. H. Liu

  • Ionospheric GPS total electron content (TEC) disturbances triggered by the 26 December 2004 Indian Ocean tsunami

    Jann Yenq Liu;Yi Ben Tsai;Kuo Fong Ma;Yuh Ing Chen

  • Coseismic ionospheric disturbances triggered by the Chi-Chi earthquake

    J. Y. Liu;H. F. Tsai;C. H. Lin;M. Kamogawa

  • Midlatitude summer nighttime anomaly of the ionospheric electron density observed by FORMOSAT‐3/COSMIC

    C. H. Lin;C. H. Liu;J. Y. Liu;C. H. Chen

  • Concentric traveling ionosphere disturbances triggered by Super Typhoon Meranti (2016)

    Min Yang Chou;Charles C. H. Lin;Jia Yue;Jia Yue;Ho Fang Tsai

  • Observations and simulations of seismoionospheric GPS total electron content anomalies before the 12 January 2010 M7 Haiti earthquake

    J. Y. Liu;H. Le;H. Le;Y. I. Chen;C. H. Chen

  • Total Electron Content Obtained by Using the Global Positioning System

    Jann Yenq Liu;Ho Fang Tsai;Ting Kuo Jung

  • Statistical analysis of ULF seismomagnetic phenomena at Kakioka, Japan, during 2001–2010

    Peng Han;Katsumi Hattori;Maiko Hirokawa;Jiancang Zhuang

  • Annual TEC variation in the equatorial anomaly region during the solar minimum: September 1996–August 1997

    Chin-Chun Wu;C. D. Fry;J. Y. Liu;K. Liou

  • Seasonal variations of the ionospheric total electron content in Asian equatorial anomaly regions

    Ho Fang Tsai;Jann Yenq Liu;Wei Hsiung Tsai;Chao Han Liu

Frequent Co-Authors

Chia-Hung Chen
Chia-Hung Chen National Cheng Kung University
Katsumi Hattori
Katsumi Hattori Chiba University
Chung-Ho Wang
Chung-Ho Wang National Chung Hsing University
Sergey Pulinets
Sergey Pulinets Russian Academy of Sciences
Arthur D. Richmond
Arthur D. Richmond National Center for Atmospheric Research
Michel Parrot
Michel Parrot Centre national de la recherche scientifique, CNRS
Jan Laštovička
Jan Laštovička Czech Academy of Sciences
Wenbin Wang
Wenbin Wang National Center for Atmospheric Research
Shigeto Watanabe
Shigeto Watanabe Hokkaido Information University
N. Balan
N. Balan National Central University

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Related Online Degrees & Career Pathways

Exploring Earth Science in the USA opens doors to a variety of related disciplines and career opportunities. Many students looking to complement their scientific skills consider interdisciplinary studies, such as pursuing an online MFA programs to enhance creativity and communication within scientific contexts.

For those interested in the organizational and leadership side of scientific institutions, earning a masters degree in human resource management online can provide valuable expertise in managing teams and projects effectively.

Additionally, education is becoming increasingly accessible, with many programs designed especially for mature learners. Resources like degrees for older adults highlight flexible options for those returning to education later in life, ensuring that age isn’t a barrier to pursuing new career paths.

The integration of information science is another promising area, particularly through online MLIS programs accredited ALA. These equip students with skills to manage earth science data and resources efficiently, supporting research and public access to vital information.

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