World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
66
Citations
15341
World Ranking
1323
National Ranking
593

Alan R. Gillespie 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 Alan R. Gillespie 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: 222 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Alan R. Gillespie 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 Alan R. Gillespie 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: 66 D-Index — 84th percentile

84% 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

  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Alan R. Gillespie is affiliated with the University of Washington in the United States. Their research spans multiple fields, focusing primarily on Earth and Planetary Sciences as well as Medicine. Within these broader domains, their work includes subfields such as Atmospheric Science, Surgery, Critical Care and Intensive Care Medicine, Management, Monitoring, Policy and Law, and Environmental Engineering.

The scientist's publication record includes contributions to several research topics. These topics cover:

  • Climate change and permafrost
  • Cryospheric studies and observations
  • Geology and Paleoclimatology Research
  • Orthopedic Surgery and Rehabilitation
  • Ultrasound in Clinical Applications
  • Landslides and related hazards
  • Arctic and Antarctic ice dynamics

Gillespie has authored papers published in notable venues, with multiple works appearing in Remote Sensing and Ultrasound in Medicine & Biology. Other frequent publication venues include Abstracts with programs - Geological Society of America, Annals of Emergency Medicine, and Quaternary Research. Examples of recent publications include:

  • Toward the Detection of Permafrost Using Land-Surface Temperature Mapping, 2020, Remote Sensing
  • Validation of ASTER Emissivity Retrieval Using the Mako Airborne TIR Imaging Spectrometer at the Algodones Dune Field in Southern California, USA, 2020, Remote Sensing
  • Point-of-Care Ultrasound Fracture-Physis Distance Association with Salter-Harris II Fractures of the Distal Radius in Children: The "POCUS 1-cm Rule", 2022, Ultrasound in Medicine & Biology
  • Diagnostic Accuracy of Point-of-Care Ultrasound Versus Radiographic Imaging for Pediatric Distal Forearm Fractures: A Randomized Controlled Trial, 2023, Annals of Emergency Medicine
  • Ultrasound Secondary Signs for the Diagnosis of Pediatric Distal Forearm Fractures: A Diagnostic Study, 2024, Ultrasound in Medicine & Biology

Coauthorship collaborations are present with several researchers including Jigjidsurengiin Batbaatar, Amit Mushkin, Peter J. Snelling, Philip G. Jones, and David Bade. Each has collaborated on multiple publications with Gillespie.

In addition to journal articles, Gillespie has contributed to book publications. One such book is published by the Geological Society of America titled Untangling the Quaternary Period-A Legacy of Stephen C. Porter from 2020.

Recognition includes being named a Fellow of the Geological Society of America.

Best Publications

  • A temperature and emissivity separation algorithm for Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) images

    A. Gillespie;S. Rokugawa;T. Matsunaga;J.S. Cothern

  • Vegetation in deserts: I. A regional measure of abundance from multispectral images

    Milton O. Smith;Susan L. Ustin;John B. Adams;Alan R. Gillespie

  • Color enhancement of highly correlated images. II. Channel ratio and “chromaticity” transformation techniques

    Alan R Gillespie;Anne B Kahle;Richard E Walker

  • Color enhancement of highly correlated images. I. Decorrelation and HSI contrast stretches

    Alan R Gillespie;Anne B Kahle;Richard E Walker

  • Red River and associated faults, Yunnan Province, China: Quaternary geology, slip rates, and seismic hazard

    C. R. Allen;A. R. Gillespie;Han Yuan;K. E. Sieh

  • Topographic Normalization of Landsat TM Images of Forest Based on Subpixel Sun–Canopy–Sensor Geometry

    Degui Gu;Alan Gillespie

  • ASYNCHRONOUS MAXIMUM ADVANCES OF MOUNTAIN AND CONTINENTAL GLACIERS

    Alan Gillespie;Peter Molnar

  • Remote Sensing of Landscapes with Spectral Images: A Physical Modeling Approach

    John B. Adams;Alan R. Gillespie

  • The Quaternary Period in the United States

    Alan R. Gillespie;Stephen C. Porter;B. F Atwater

  • Remote Sensing in Geology

    Barry S. Siegal;Alan R. Gillespie

  • Lithologic mapping of silicate rocks using TIMS

    A. R. Gillespie

  • Improved land surface emissivities over agricultural areas using ASTER NDVI

    Juan C. Jiménez-Muñoz;José A. Sobrino;Alan Gillespie;Donald Sabol

  • Simple Models For Complex Natural Surfaces: A Strategy For The Hyperspectral Era Of Remote Sensing

    J.B. Adams;M.O. Smith;A.R. Gillespie

  • Evidence for Holocene megafloods down the Tsangpo River gorge, southeastern Tibet

    David R. Montgomery;Bernard Hallet;Liu Yuping;Noah Finnegan

  • Debris-Covered Glaciers in the Sierra Nevada, California, and Their Implications for Snowline Reconstructions

    Douglas H. Clark;Malcolm M. Clark;Alan R. Gillespie

  • Timing and significance of Late-glacial and Holocene cirque glaciation in the Sierra Nevada, California

    Douglas H. Clark;Alan R. Gillespie

  • Spectral mixture analysis of multispectral thermal infrared images

    Alan R. Gillespie

  • Physical weathering in arid landscapes due to diurnal variation in the direction of solar heating

    L.D. McFadden;M.C. Eppes;A.R. Gillespie;B. Hallet

  • Accuracy and uncertainty of thermal-infrared remote sensing of stream temperatures at multiple spatial scales

    R.N. Handcock;A.R. Gillespie;K.A. Cherkauer;J.E. Kay

  • A New Approach to Change Vector Analysis Using Distance and Similarity Measures

    Osmar Abílio de Carvalho Júnior;Renato Fontes Guimarães;Alan R. Gillespie;Nilton Correia da Silva

  • Vegetation in deserts. I - A regional measure of abundance from multispectral images. II - Environmental influences on regional abundance

    Milton O. Smith;Susan L. Ustin;John B. Adams;Alan R. Gillespie

Frequent Co-Authors

David R. Montgomery
David R. Montgomery University of Washington
John B. Adams
John B. Adams University of Washington
Paul R. Bierman
Paul R. Bierman University of Vermont
Rivka Amit
Rivka Amit Geological Survey of Israel
Jennifer E. Kay
Jennifer E. Kay University of Colorado Boulder
Michael Abrams
Michael Abrams California Institute of Technology
Yehouda Enzel
Yehouda Enzel Hebrew University of Jerusalem
Stephanie K. Kampf
Stephanie K. Kampf Colorado State University
José A. Sobrino
José A. Sobrino University of Valencia
Derek B. Booth
Derek B. Booth University of California, Santa Barbara

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