World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
40
Citations
8172
World Ranking
5710
National Ranking
609

Simon D. P. Williams 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 Simon D. P. Williams 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: 136 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Simon D. P. Williams 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 Simon D. P. Williams 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: 40 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Simon D. P. Williams is affiliated with the National Oceanography Centre in the United Kingdom. Their research primarily focuses on the intersection of Earth and Planetary Sciences, Environmental Science, and Engineering. The work includes specific attention to subfields such as Oceanography, Aerospace Engineering, Environmental Engineering, Global and Planetary Change, and Geophysics.

The scientist's research topics cover a range of areas, including:

  • Geophysics and Gravity Measurements
  • GNSS positioning and interference
  • Soil Moisture and Remote Sensing
  • Climate variability and models
  • Ionosphere and magnetosphere dynamics
  • Oceanographic and Atmospheric Processes
  • Earthquake and tectonic studies

Simon D. P. Williams has contributed to several recent papers, notably:

  • "SNR-based GNSS reflectometry for coastal sea-level altimetry: results from the first IAG inter-comparison campaign" (2020), published in Journal of Geodesy
  • "Dynamic Sea Level Variation From GNSS: 2020 Shumagin Earthquake Tsunami Resonance and Hurricane Laura" (2020), published in Geophysical Research Letters
  • "Improved and extended tide gauge records for the British Isles leading to more consistent estimates of sea level rise and acceleration since 1958" (2020), published in Progress In Oceanography
  • "Raytracing atmospheric delays in ground-based GNSS reflectometry" (2020), published in Journal of Geodesy
  • "Demonstrating the Potential of Low-Cost GPS Units for the Remote Measurement of Tides and Water Levels Using Interferometric Reflectometry" (2020), published in Journal of Atmospheric and Oceanic Technology

Frequent co-authors collaborating with Simon D. P. Williams include:

  • Felipe Geremia-Nievinski
  • Paul S. Bell
  • Thalia Nikolaidou
  • Marcelo C. Santos
  • David L. McCann

Publication venues where this scientist regularly contributes include:

  • Journal of Geodesy
  • Zenodo (CERN European Organization for Nuclear Research)
  • Progress In Oceanography
  • Geophysical Research Letters
  • Journal of Atmospheric and Oceanic Technology

Best Publications

  • Error analysis of continuous GPS position time series

    Simon D. P. Williams;Yehuda Bock;Peng Fang;Paul Jamason

  • Southern California permanent GPS geodetic array: Error analysis of daily position estimates and site velocities

    Jie Zhang;Yehuda Bock;Hadley Johnson;Peng Fang

  • The effect of coloured noise on the uncertainties of rates estimated from geodetic time series

    S. D. P. Williams

  • CATS: GPS coordinate time series analysis software

    Simon D. P. Williams

  • Fast error analysis of continuous GNSS observations with missing data

    M. S. Bos;R. M. S. Fernandes;S. D. P. Williams;L. Bastos

  • Integrated satellite interferometry: Tropospheric noise, GPS estimates and implications for interferometric synthetic aperture radar products

    Simon Williams;Yehuda Bock;Peng Fang

  • Vertical GPS ground motion rates in the Euro-Mediterranean region: New evidence of velocity gradients at different spatial scales along the Nubia-Eurasia plate boundary

    Enrico Serpelloni;Claudio Faccenna;Giorgio Spada;Danan Dong

  • Detecting offsets in GPS time series: First results from the detection of offsets in GPS experiment

    Julien Gazeaux;Simon D.P. Williams;Matt King;Matt King;Machiel Bos

  • Fast error analysis of continuous GPS observations

    M. S. Bos;R. M. S. Fernandes;R. M. S. Fernandes;S. D. P. Williams;L. Bastos

  • Rates of sea‐level change over the past century in a geocentric reference frame

    G. Wöppelmann;C. Letetrel;A. Santamaria;M.-N. Bouin

  • Offsets in Global Positioning System time series

    Simon D. P. Williams

  • Southern California Permanent GPS Geodetic Array: Continuous measurements of regional crustal deformation between the 1992 Landers and 1994 Northridge earthquakes

    Y. Bock;S. Wdowinski;S. Wdowinski;P. Fang;Jiahua Zhang

  • Trends in UK mean sea level revisited

    P. Woodworth;Felix Norman Teferle;R. M. Bingley;I. Shennan

  • A 10-Year Comparison of Water Levels Measured with a Geodetic GPS Receiver versus a Conventional Tide Gauge

    Kristine M. Larson;Richard D. Ray;Simon D. P. Williams

  • Widespread low rates of Antarctic glacial isostatic adjustment revealed by GPS observations

    Ian D. Thomas;Matt A. King;Michael J. Bentley;Pippa L. Whitehouse

  • Uncertainty of absolute gravity measurements

    Michel Van Camp;Simon D. P. Williams;Olivier Francis

  • Improved Constraints on Models of Glacial Isostatic Adjustment: A Review of the Contribution of Ground-Based Geodetic Observations

    Matt A. King;Zuheir Altamimi;Johannes Boehm;Machiel Bos

  • Non‐tidal ocean loading effects on geodetic GPS heights

    S. D. P. Williams;N. T. Penna

  • The effect of temporal correlated noise on the sea level rate and acceleration uncertainty

    M. S. Bos;S. D. P. Williams;I. B. Araújo;L. Bastos

  • The color of sea level: Importance of spatial variations in spectral shape for assessing the significance of trends

    Chris W. Hughes;Simon D. P. Williams

  • Tropospheric delays in ground-based GNSS Multipath Reflectometry – experimental evidence from coastal sites

    S. D. P. Williams;F. G. Nievinski

Frequent Co-Authors

Philip L. Woodworth
Philip L. Woodworth National Oceanography Centre
Chris W. Hughes
Chris W. Hughes University of Liverpool
Svetlana Jevrejeva
Svetlana Jevrejeva National Oceanography Centre
Matt A. King
Matt A. King University of Tasmania
Yehuda Bock
Yehuda Bock University of California, San Diego
Jianghui Geng
Jianghui Geng Wuhan University
Robert Smalley
Robert Smalley University of Memphis
Joanne Williams
Joanne Williams University of Edinburgh
Ian W. D. Dalziel
Ian W. D. Dalziel The University of Texas at Austin
Olivier Francis
Olivier Francis University of Luxembourg

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