World's Best Scientists 2026 revealed!
Karen M. Fischer

Karen M. Fischer

D-Index & Metrics

Earth Science

D-Index
50
Citations
8814
World Ranking
3424
National Ranking
1362

Karen M. Fischer 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 Karen M. Fischer sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 188 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Karen M. Fischer 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 Karen M. Fischer sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 50 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Research.com Recognitions

  • 2010 - Fellow of American Geophysical Union (AGU)

Overview

Karen M. Fischer is affiliated with Brown University in the United States and specializes in Earth and Planetary Sciences, with a focus on Geophysics. Their work spans several subfields including earthquake and tectonic studies, high-pressure geophysics and materials, and geological and geochemical analysis. Additionally, they have contributed research related to Primary Care and Health Outcomes, and diabetes management.

Their recent publications cover a range of topics within Earth sciences and health fields. Notable papers include:

  • Asthenospheric low-velocity zone consistent with globally prevalent partial melting, 2023, Nature Geoscience
  • A comparison of oceanic and continental mantle lithosphere, 2020, Physics of The Earth and Planetary Interiors
  • Assessing the presence of volatile-bearing mineral phases in the cratonic mantle as a possible cause of mid-lithospheric discontinuities, 2020, Earth and Planetary Science Letters
  • Global Patterns in Cratonic Mid-Lithospheric Discontinuities From Sp Receiver Functions, 2021, Geochemistry Geophysics Geosystems
  • Disparities in Diabetes Care: Differences Between Rural and Urban Patients Within a Large Health System, 2023, The Annals of Family Medicine

Frequent collaborators with Fischer include:

  • Junlin Hua
  • Isabella Gama
  • Randy Foss
  • Matthew Bernard
  • Jessica Sosso

Key publication venues where Fischer regularly contributes are:

  • Geochemistry Geophysics Geosystems
  • Geophysical Research Letters
  • Earth and Planetary Science Letters
  • Journal of Geophysical Research Solid Earth
  • Geophysical Monograph

The scientist has also authored book publications, including a title published by the International Federation for Structural Concrete: fib Bulletin 118. Technology and aesthetics of visual concrete surfaces, slated for 2025.

Main topics covered in their research include:

  • Earthquake and tectonic studies
  • High-pressure geophysics and materials
  • Geological and Geochemical Analysis
  • Primary Care and Health Outcomes
  • Seismic Waves and Analysis
  • Diabetes Management and Education
  • Chronic Disease Management Strategies

Karen M. Fischer was awarded the title of Fellow of the American Geophysical Union (AGU) in 2010. Their interdisciplinary focus bridges detailed geophysical research with aspects of health science, reflecting a diverse and broad-ranging scientific portfolio.

Best Publications

  • The Lithosphere- Asthenosphere Boundary

    Karen M. Fischer;Heather A. Ford;David L. Abt;Catherine A. Rychert

  • North American lithospheric discontinuity structure imaged by Ps and Sp receiver functions

    David L. Abt;David L. Abt;Karen M. Fischer;Scott W. French;Scott W. French;Heather A. Ford

  • A Complex Pattern of Mantle Flow in the Lau Backarc

    Gideon P. Smith;Douglas A. Wiens;Karen M. Fischer;Leroy M. Dorman

  • The Labrador Sea Deep Convection Experiment

    J. Marshall;F. Dobson;K. Moore;P. Rhines

  • Shear wave splitting, continental keels, and patterns of mantle flow

    Matthew J. Fouch;Karen M. Fischer;E. M. Parmentier;Michael E. Wysession

  • Evidence for an upper mantle plume beneath the Tanzanian craton from Rayleigh wave tomography

    Dayanthie S. Weeraratne;Donald W. Forsyth;Karen M. Fischer;Andrew A. Nyblade

  • The South Pacific superswell

    Marcia K. Mcnutt;Karen M. Fischer

  • Arc-parallel flow in the mantle wedge beneath Costa Rica and Nicaragua

    Kaj Hoernle;David L. Abt;Karen M. Fischer;Holly Nichols

  • Mantle anisotropy beneath northwest Pacific subduction zones

    Matthew J. Fouch;Karen M. Fischer

  • A sharp lithosphere–asthenosphere boundary imaged beneath eastern North America

    Catherine A. Rychert;Karen M. Fischer;Stéphane Rondenay

  • The lithosphere-asthenosphere boundary and cratonic lithospheric layering beneath Australia from Sp wave imaging

    Heather A. Ford;Karen M. Fischer;David L. Abt;Catherine A. Rychert

  • P-to-S and S-to-P imaging of a sharp lithosphere-asthenosphere boundary beneath eastern North America

    Catherine A. Rychert;Catherine A. Rychert;Stéphane Rondenay;Karen M. Fischer

  • Shear velocity structure and azimuthal anisotropy beneath eastern North America from Rayleigh wave inversion

    Aibing Li;Aibing Li;Donald W. Forsyth;Karen M. Fischer

  • 3-D shear wave radially and azimuthally anisotropic velocity model of the North American upper mantle

    Huaiyu Yuan;Barbara Romanowicz;Karen M. Fischer;David Abt

  • The global seismographic network surpasses its design goal

    Rhett Butler;Thome Lay;Ken Creager;Paul Earl

  • Modification of the Western Gondwana craton by plume–lithosphere interaction

    Jiashun Hu;Lijun Liu;Manuele Faccenda;Quan Zhou

  • The influence of plate motions on three-dimensional back arc mantle flow and shear wave splitting

    Chad E. Hall;Karen M. Fischer;E. M. Parmentier;Donna K. Blackman

  • The depth distribution of mantle anisotropy beneath the Tonga subduction zone

    Karen M. Fischer;Douglas A. Wiens

  • Lithospheric Thinning Beneath Rifted Regions of Southern California

    Vedran Lekic;Scott W. French;Karen M. Fischer

  • Waning buoyancy in the crustal roots of old mountains

    Karen M. Fischer

Frequent Co-Authors

Geoffrey A. Abers
Geoffrey A. Abers Cornell University
Marino Protti
Marino Protti University of California, Santa Cruz
Stéphane Rondenay
Stéphane Rondenay University of Bergen
Donald W. Forsyth
Donald W. Forsyth Brown University
Kaj Hoernle
Kaj Hoernle GEOMAR Helmholtz Centre for Ocean Research Kiel
Nicholas Harmon
Nicholas Harmon Woods Hole Oceanographic Institution
E. M. Parmentier
E. M. Parmentier Brown University
Stephen Marshak
Stephen Marshak University of Illinois at Urbana-Champaign
Paul van den Bogaard
Paul van den Bogaard GEOMAR Helmholtz Centre for Ocean Research Kiel
Guillermo E. Alvarado
Guillermo E. Alvarado University of Costa Rica

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