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D-Index & Metrics

Earth Science

D-Index
31
Citations
5697
World Ranking
8842
National Ranking
2864

Robert Ettema 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 Robert Ettema 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: 255 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Robert Ettema 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 Robert Ettema 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: 31 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Overview

Robert Ettema is affiliated with Colorado State University in the United States. Their research focuses primarily on engineering and environmental science, with significant contributions to civil and structural engineering, ecology, water science and technology, atmospheric science, and computational mechanics.

Their work covers a range of topics including hydraulic flow and structures, hydrology and sediment transport processes, hydrology and watershed management studies, dam engineering and safety, arctic and antarctic ice dynamics, flood risk assessment and management, and climate change and permafrost.

Robert Ettema has published extensively in several scientific journals. Frequent publication venues include:

  • Journal of Hydraulic Engineering
  • Journal of Hydraulic Research
  • Journal of Cold Regions Engineering
  • Cold Regions Science and Technology
  • Water

Selected recent papers by Robert Ettema include:

  • "Large-Flume Tests on Flow Dislodgment of Rocks Forming Bendway Weirs," 2020, Journal of Hydraulic Engineering
  • "River-ice effects on bank erosion along the middle segment of the Susitna river, Alaska," 2021, Cold Regions Science and Technology
  • "Effects of Streamwise Abutment Length on Scour at Riprap Apron-Protected Setback Abutments in Compound Channels," 2021, Journal of Hydraulic Engineering
  • "Air Entrained in Flow along a Steep-Stepped Spillway: Data and Insights from a Hydraulic Model," 2021, Journal of Hydraulic Engineering
  • "Optimal Configuration of Rock Vanes and Bendway Weirs for River Bends: Numerical-Model Insights," 2021, Journal of Hydraulic Engineering

Robert Ettema has coauthored multiple papers with frequent collaborators such as Christopher I. Thornton, Alireza Nowroozpour, Taylor Hogan, Nathan Holste, and Drew C. Baird.

Among their contributions is a book publication titled "Revised Clear-Water and Live-Bed Contraction Scour Analysis," released in 2021 by Transportation Research Board eBooks.

Best Publications

  • Clear‐Water Scour at Cylindrical Piers

    Arved J. Raudkivi;Robert Ettema

  • SCOUR AT BRIDGE PIERS

    Robert Ettema

  • Scale Effect in Pier-Scour Experiments

    Robert Ettema;Bruce W. Melville;Brian Barkdoll

  • Similitude of Large-Scale Turbulence in Experiments on Local Scour at Cylinders

    Robert Ettema;Gokhan Kirkil;Marian Muste

  • Coherent Structures in the Flow Field around a Circular Cylinder with Scour Hole

    Gokhan Kirkil;S G Constantinescu;Robert Ettema

  • Scale Effects in Flume Experiments on Flow around a Spur Dike in Flatbed Channel

    Robert Ettema;Marian Muste

  • Sediment Control at Lateral Diversions: Limits and Enhancements to Vane Use

    Brian D. Barkdoll;Robert Ettema;A. Jacob Odgaard

  • Two-phase versus mixed-flow perspective on suspended sediment transport in turbulent channel flows

    M. Muste;K. Yu;I. Fujita;R. Ettema

  • Detached Eddy Simulation Investigation of Turbulence at a Circular Pier with Scour Hole

    G. Kirkil;G. Constantinescu;R. Ettema

  • Review of Alluvial-Channel Responses to River Ice

    Robert Ettema

  • Hydraulic modeling: concepts and practice

    R. Ettema

  • Flow-Field Complexity and Design Estimation of Pier-Scour Depth: Sixty Years since Laursen and Toch

    Robert Ettema;George Constantinescu;Bruce W. Melville

  • Effect of Sediment Gradation on Clear Water Scour

    Arved J. Raudkivi;Robert Ettema

  • Estimation of Mean Flow Velocity in Ice‐Covered Channels

    Martin J. Teal;Robert Ettema;John F. Walker

  • Particle-image velocimetry for whole-field measurement of ice velocities

    Robert Ettema;Ichiro Fujita;Marian Muste;Anton Kruger

  • Scour at Cylindrical Bridge Piers in Armored Beds

    Arved J. Raudkivi;Robert Ettema

  • Local Scour at Skewed Piers

    R. Ettema;E. A. Mostafa;B. W. Melville;A. A. Yassin

  • Stability of Armour Layers in Rivers

    Arved J. Raudkivi;Robert Ettema

  • FLOW RESISTANCE IN ICE-COVERED ALLUVIAL CHANNELS

    Brennan T. Smith;Robert Ettema

  • Anchor ice rafting: Observations from the laramie river

    Edward W. Kempema;Robert Ettema

  • Two-phase flow insights into open-channel flows with suspended particles of different densities

    M. Muste;K. Yu;I. Fujita;R. Ettema

  • STATE-OF-THE-ART PAPERS 19 Eco-hydraulics and eco-sedimentation studies in China / ZHAOYIN WANG, JOSEPH H.W. LEE AND MENGZHEN XU 33 Flow resistance of emergent rigid and flexible floodplain vegetation /

    Spis Treci;Jochen Aberle;Juha Järvelä;Fabio Siniscalchi

Frequent Co-Authors

Marian Muste
Marian Muste University of Iowa
Bruce W. Melville
Bruce W. Melville University of Auckland
George Constantinescu
George Constantinescu University of Iowa
Vladimir Nikora
Vladimir Nikora University of Aberdeen
Frederick Stern
Frederick Stern University of Iowa
Marcelo H. Garcia
Marcelo H. Garcia University of Illinois at Urbana-Champaign
Pierre Y. Julien
Pierre Y. Julien Colorado State University
Maohong Fan
Maohong Fan University of Wyoming
Konstantine P. Georgakakos
Konstantine P. Georgakakos Hydrologic Research Center
Youqing Shen
Youqing Shen Zhejiang University

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