World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
38
Citations
6465
World Ranking
8583
National Ranking
3070

Robert L. Runkel publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Robert L. Runkel sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 116 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Robert L. Runkel D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Robert L. Runkel sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 38 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Robert L. Runkel is affiliated with the United States Geological Survey in the United States. Their research primarily focuses on environmental science, with significant contributions to subfields such as environmental chemistry, environmental engineering, geochemistry and petrology, pollution, and geophysics.

Runkel's work covers a range of topics within environmental science, including:

  • Mine drainage and remediation techniques
  • Groundwater flow and contamination studies
  • Groundwater and isotope geochemistry
  • Soil and water nutrient dynamics
  • Black holes and theoretical physics
  • Cosmology and gravitation theories
  • Heavy metals in the environment

Recent notable publications include:

  • "Integrands of loop amplitudes within loop-tree duality," 2020, Physical Review D
  • "Prevailing impacts of river management on microplastic transport in contrasting US streams: Rethinking global microplastic flux estimations," 2023, Water Research
  • "Transport and speciation of uranium in groundwater-surface water systems impacted by legacy milling operations," 2020, The Science of The Total Environment
  • "Critical Shifts in Trace Metal Transport and Remediation Performance under Future Low River Flows," 2020, Environmental Science & Technology
  • "Natural attenuation can lead to environmental resilience in mine environment," 2020, Applied Geochemistry

The scientist frequently publishes in the following venues:

  • Applied Geochemistry
  • Water Resources Research
  • Abstracts with Programs - Geological Society of America
  • The Science of The Total Environment
  • River Research and Applications

Collaborative efforts are evident in their coauthorships with multiple researchers, including:

  • Katherine Walton-Day
  • Andrew H. Manning
  • Patrick Byrne
  • Richard B. Wanty
  • Jean M. Morrison

Best Publications

  • Load Estimator (LOADEST): A FORTRAN Program for Estimating Constituent Loads in Streams and Rivers

    Robert L. Runkel;Charles G. Crawford;Timothy A. Cohn

  • One-Dimensional Transport with Inflow and Storage (OTIS): A Solute Transport Model for Streams and Rivers

    Robert L. Runkel

  • A new metric for determining the importance of transient storage

    Robert L. Runkel

  • Assessment of metal loads in watersheds affected by acid mine drainage by using tracer injection and synoptic sampling: Cement Creek, colorado, USA

    Briant A Kimball;Robert L Runkel;Katherine Walton-Day;Kenneth E Bencala

  • Copper isotope fractionation in acid mine drainage

    Bryn E Kimball;Ryan Mathur;Alice Dohnalkova;A J Wall

  • Inorganic N and P dynamics of Antarctic glacial meltwater streams as controlled by hyporheic exchange and benthic autotrophic communities

    Diane M. McKnight;Robert L. Runkel;Cathy M. Tate;John H. Duff

  • Analysis of transient storage subject to unsteady flow: Diel flow variation in an Antarctic stream

    Robert L. Runkel;Diane M. McKnight;Edmund D. Andrews

  • An efficient numerical solution of the transient storage equations for solute transport in small streams

    Robert L. Runkel;Steven C. Chapra

  • Toward a transport-based analysis of nutrient spiraling and uptake in streams

    Robert L. Runkel

  • Denitrification and hydrologic transient storage in a glacial meltwater stream, McMurdo Dry Valleys, Antarctica

    Michael N. Gooseff;Diane M. McKnight;Robert L. Runkel;John H. Duff

  • Conservative and reactive solute transport in constructed wetlands

    Steffanie H. Keefe;Larry B. Barber;Robert L. Runkel;Joseph N. Ryan

  • Determining long time-scale hyporheic zone flow paths in Antarctic streams

    Michael N. Gooseff;Michael N. Gooseff;Diane M. McKnight;Robert L. Runkel;Bruce H. Vaughn

  • Hyporheic exchange and fulvic acid redox reactions in an Alpine stream/wetland ecosystem, Colorado Front Range.

    Matthew P. Miller;Diane M. McKnight;Rose M. Cory;Mark W. Williams

  • Modeling hyporheic zone processes

    Robert L Runkel;Diane M McKnight;Harihar Rajaram

  • Reactive Solute Transport in an Acidic Stream: Experimental pH Increase and Simulation of Controls on pH, Aluminum, and Iron

    Robert E. Broshears;Robert L. Runkel;Briant A. Kimball;Diane M. McKnight

  • Transport and cycling of iron and hydrogen peroxide in a freshwater stream: Influence of organic acids

    Durelle T. Scott;Durelle T. Scott;Robert L. Runkel;Diane M. McKnight;Bettina M. Voelker

  • Reactive Solute Transport in Streams: 1. Development of an Equilibrium‐Based Model

    Robert L. Runkel;Kenneth E. Bencala;Robert E. Broshears;Steven C. Chapra

  • Hydrologic controls on the transport and cycling of carbon and nitrogen in a boreal catchment underlain by continuous permafrost

    Joshua C. Koch;Robert L. Runkel;Robert G. Striegl;Diane M. McKnight

  • Reactive solute transport in streams: A surface complexation approach for trace metal sorption

    Robert L. Runkel;Briant A. Kimball;Diane M. McKnight;Kenneth E. Bencala

  • Evaluating remedial alternatives for an acid mine drainage stream: application of a reactive transport model.

    Robert L. Runkel;Briant A. Kimball

Frequent Co-Authors

Diane M. McKnight
Diane M. McKnight University of Colorado Boulder
Kenneth E. Bencala
Kenneth E. Bencala United States Geological Survey
Michael N. Gooseff
Michael N. Gooseff University of Colorado Boulder
Steven C. Chapra
Steven C. Chapra Tufts University
Durelle T. Scott
Durelle T. Scott Virginia Tech
Larry B. Barber
Larry B. Barber United States Geological Survey
Kamini Singha
Kamini Singha Colorado School of Mines
D. Kirk Nordstrom
D. Kirk Nordstrom United States Geological Survey
Joseph N. Ryan
Joseph N. Ryan University of Colorado Boulder

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