World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
47
Citations
9981
World Ranking
5712
National Ranking
2080

Ronald C. Sims 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 Ronald C. Sims 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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 183 publications — 58th percentile

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

The last bar groups every scientist with 687 publications or more.

Ronald C. Sims 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 Ronald C. Sims 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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 47 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

  • 2018 - Fellow of the Indian National Academy of Engineering (INAE)

Overview

Ronald C. Sims is affiliated with Utah State University in the United States. The primary fields of study in their research include Environmental Science and Energy, with a focus on subfields such as Renewable Energy, Sustainability and the Environment, Pollution, Building and Construction, Environmental Chemistry, and Industrial and Manufacturing Engineering.

Their main topics of work cover areas including:

  • Algal biology and biofuel production
  • Wastewater Treatment and Nitrogen Removal
  • Anaerobic Digestion and Biogas Production
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Biofuel production and bioconversion
  • Membrane Separation Technologies
  • Biocrusts and Microbial Ecology

Significant publication venues where Sims has contributed multiple papers include:

  • SSRN Electronic Journal
  • Bioresources and Bioproducts
  • Processes
  • Water Science & Technology
  • Academia Letters

Frequent co-authors in their research collaborations are:

  • Jacob Watkins
  • Clayton Lords
  • Yehor Pererva
  • Charles Miller
  • Gerald Benjamin Jones

Notable recent papers authored or co-authored by Sims include:

  • Existing Empirical Kinetic Models in Biochemical Methane Potential (BMP) Testing, Their Selection and Numerical Solution, 2020, Water
  • Approaches in Design of Laboratory-Scale UASB Reactors, 2020, Processes
  • Rotating Algae Biofilm Reactor for Management and Valorization of Produced Wastewater, 2022, Frontiers in Energy Research
  • Struvite formation associated with the microalgae biofilm matrix of a rotating algal biofilm reactor (RABR) during nutrient removal from municipal wastewater, 2020, Water Science & Technology
  • Diatoms in wastewater treatment: Potentials, applications, and values of biomass, 2023, Critical Reviews in Environmental Science and Technology

In 2018, Sims received the award of Fellow of the Indian National Academy of Engineering (INAE).

Best Publications

  • Production and harvesting of microalgae for wastewater treatment, biofuels, and bioproducts

    Logan Christenson;Ronald Sims

  • Evaluation of the use of prairie grasses for stimulating polycyclic aromatic hydrocarbon treatment in soil

    Wayne Aprill;Ronald C. Sims

  • Fate of polynuclear aromatic compounds (PNAs) in soil-plant systems

    Ronald C. Sims;M. R. Overcash

  • Rotating algal biofilm reactor and spool harvester for wastewater treatment with biofuels by‐products

    Logan B. Christenson;Ronald C. Sims

  • Algal biofilm based technology for wastewater treatment

    Maureen Kesaano;Ronald C. Sims

  • Fate of PAH compounds in two soil types: influence of volatilization, abiotic loss and biological activity.

    Kap S. Park;Ronald C. Sims;R. Ryan Dupont;William J. Doucette

  • Bioremediation of contaminated soils.

    D. C. Adriano;J. M. Bollag;W. T. Frankenberger;R. C. Sims

  • Acetone, butanol, and ethanol production from wastewater algae.

    Joshua T. Ellis;Neal N. Hengge;Ronald C. Sims;Charles D. Miller

  • Hycrest Crested Wheatgrass Accelerates the Degradation of Pentachlorophenol in Soil

    Ari M. Ferro;Ronald C. Sims;Bruce Bugbee

  • Biodiesel from mixed culture algae via a wet lipid extraction procedure.

    Ashik Sathish;Ronald C. Sims

  • Isolation and characterization of polycyclic aromatic hydrocarbon-degrading Mycobacterium isolates from soil.

    C. D. Miller;K. Hall;Y. N. Liang;K. Nieman

  • Sustainable land application: an overview.

    GA O'Connor;HA Elliott;NT Basta;RK Bastian

  • Evidence for Cooxidation of Polynuclear Aromatic Hydrocarbons in Soil

    J. Keck;Ronald C. Sims;M. Coover;K. Park

  • Soil Remediation Techniques at Uncontrolled Hazardous Waste Sites

    Ronald C. Sims

  • Techno-economic and life-cycle assessment of an attached growth algal biorefinery.

    Jay Barlow;Ronald C. Sims;Jason C. Quinn

  • Catalysis of PAH biodegradation by humic acid shown in synchrotron infrared studies.

    Hoi-Ying N. Holman;Karl Nieman;Darwin L. Sorensen;Charles D. Miller

  • Study of biochemical pathways and enzymes involved in pyrene degradation by Mycobacterium sp. strain KMS.

    Yanna Liang;Dale R. Gardner;Charles D. Miller;Dong Chen

  • Approach to bioremediation of contaminated soil.

    Judith L. Sims;Ronald C. Sims;John E. Matthews

  • Optimization of wastewater microalgae saccharification using dilute acid hydrolysis for acetone, butanol, and ethanol fermentation.

    Yessica A. Castro;Joshua T. Ellis;Charles D. Miller;Ronald C. Sims

  • Transformation of PAHs in soil systems.

    Kap S. Park;Ronald C. Sims;R. Ryan Dupont

Frequent Co-Authors

Anne J. Anderson
Anne J. Anderson Utah State University
Bruce Bugbee
Bruce Bugbee Utah State University
Christopher P. McKay
Christopher P. McKay Ames Research Center
Brent M. Peyton
Brent M. Peyton Montana State University
Gary M. Pierzynski
Gary M. Pierzynski Kansas State University
George A. O'Connor
George A. O'Connor University of Florida
Nicholas T. Basta
Nicholas T. Basta The Ohio State University
Domy C. Adriano
Domy C. Adriano University of Georgia
Bart C. Weimer
Bart C. Weimer University of California, Davis
Terry C. Hazen
Terry C. Hazen University of Tennessee at Knoxville

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students pursuing Environmental Sciences, exploring related online degrees can broaden career opportunities. Public administration plays a crucial role in environmental policy and sustainability, making a mpa one year program an efficient option for those seeking leadership roles in government or nonprofit sectors.

Sociology is another complementary field that helps understand human-environment interactions. Pursuing the best online bachelor degree in sociology offers valuable insights into social factors affecting environmental issues, ideal for careers in community planning, environmental justice, or policy analysis.

Graduate students interested in advancing their expertise while balancing work may consider an edd without dissertation to focus on applied research and professional practice, avoiding the lengthy dissertation process.

For educators looking to transition to higher leadership roles in environmental education, several top schools offer flexible eds to edd bridge programs online. These programs help students seamlessly advance from a doctorate in education to a doctor of education, blending administrative skills with environmental focus.

Best Scientists Citing Ronald C. Sims

Trending Scientists

Recently Published Articles