World's Best Scientists 2026 revealed!
Ronald John Parkes

Ronald John Parkes

D-Index & Metrics

Environmental Sciences

D-Index
63
Citations
13432
World Ranking
2494
National Ranking
192

Ronald John Parkes 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 John Parkes 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: 160 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Ronald John Parkes 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 John Parkes 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: 63 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Overview

Ronald John Parkes is affiliated with Cardiff University in the United Kingdom and has contributed to research primarily within the fields of Environmental Science and Engineering. Their work spans multiple subfields including Ecology, Oceanography, Environmental Engineering, Civil and Structural Engineering, and Environmental Chemistry.

The scientist's research topics cover a variety of areas with a focus on microbial processes and environmental systems. Key topics include:

  • Microbial Community Ecology and Physiology
  • Microbial Applications in Construction Materials
  • Grouting, Rheology, and Soil Mechanics
  • Marine and Coastal Ecosystems
  • Marine Biology and Ecology Research
  • Coastal Wetland Ecosystem Dynamics
  • Polar Research and Ecology

Among their recent publications are:

  • "New insights into large-scale trends of apparent organic matter reactivity in marine sediments and patterns of benthic carbon transformation," 2021, Biogeosciences
  • "Physiological Capabilities of Cryoconite Hole Microorganisms," 2020, Frontiers in Microbiology
  • "Effect of Jute Fibres on the Process of MICP and Properties of Biocemented Sand," 2020, Materials
  • "Increased Microbially Induced Calcium Carbonate Precipitation (MICP) Efficiency in Multiple Treatment Sand Biocementation Processes by Augmentation of Cementation Medium with Ammonium Chloride," 2023, Geotechnics
  • "Methanogen activity and microbial diversity in Gulf of Cádiz mud volcano sediments," 2023, Frontiers in Microbiology

Frequent coauthors in Ronald John Parkes's research include:

  • Gordon Webster
  • Christine Spencer
  • Leon A. van Paassen
  • Felipe S. Freitas
  • Philip Píka

Their publications have appeared in several notable scientific venues with multiple contributions in Frontiers in Microbiology, as well as papers in Biogeosciences, Materials, Geotechnics, and FEMS Microbiology Ecology.

Best Publications

  • Distributions of Microbial Activities in Deep Subseafloor Sediments

    Steven D'Hondt;Bo Barker Jørgensen;D. Jay Miller;Anja Batzke

  • DEEP BACTERIAL BIOSPHERE IN PACIFIC-OCEAN SEDIMENTS

    Ronald John Parkes;Barry Andrew Cragg;S. J. Bale;J. M. Getlifff

  • Direct linking of microbial populations to specific biogeochemical processes by 13C-labelling of biomarkers

    H. T. S. Boschker;S. C. Nold;P. Wellsbury;D. Bos

  • Recent studies on bacterial populations and processes in subseafloor sediments: A review

    R. John Parkes;Barry A. Cragg;Peter Wellsbury

  • Prokaryotic cells of the deep sub-seafloor biosphere identified as living bacteria

    A. Schippers;L. N. Neretin;J. Kallmeyer;T. G. Ferdelman

  • Deep sub-seafloor prokaryotes stimulated at interfaces over geological time

    Ronald John Parkes;Gordon Webster;Barry Andrew Cragg;Andrew John Weightman

  • The measurement of microbial carbohydrate exopolymers from intertidal sediments

    G. J. C. Underwood;D. M. Paterson;R. J. Parkes

  • The relationship between fatty acid distributions and bacterial respiratory types in contemporary marine sediments

    Ronald John Parkes;J. Taylor

  • Controls on the formation of authigenic minerals in association with decaying organic matter: an experimental approach

    Jens Sagemann;Simon J Bale;Derek E.G Briggs;R.John Parkes

  • Desulfovibrio profundus sp. nov., a Novel Barophilic Sulfate-Reducing Bacterium from Deep Sediment Layers in the Japan Sea

    S. J. Bale;K. Goodman;Paul A. Rochelle;Julian Roberto Marchesi

  • Extending the Sub-Sea-Floor Biosphere

    Erwan G. Roussel;Marie-Anne Cambon Bonavita;Joël Querellou;Barry A. Cragg

  • DNA extraction for 16S rRNA gene analysis to determine genetic diversity in deep sediment communities

    Paul A. Rochelle;John C. Fry;R. John Parkes;Andrew J. Weightman

  • Prokaryotic community composition and biogeochemical processes in deep subseafloor sediments from the Peru Margin.

    Gordon Webster;R. John Parkes;Barry A. Cragg;Carole J. Newberry

  • Determination of the Substrates for Sulphate-reducing Bacteria within Marine and Esturaine Sediments with Different Rates of Sulphate Reduction

    Ronald John Parkes;G. R. Gibson;I. Mueller-Harvey;W. J. Buckingham

  • Global carbon cycling on a heterogeneous seafloor

    Paul V.R. Snelgrove;Karline Soetaert;Martin Solan;Simon Thrush

  • Bacterial populations and processes in sediments containing gas hydrates (ODP Leg 146: Cascadia Margin)

    B.A. Cragg;R.J. Parkes;J.C. Fry;A.J. Weightman

  • Effect of sample handling on estimation of bacterial diversity in marine sediments by 16S rRNA gene sequence analysis

    Paul A. Rochelle;Barry A. Cragg;John C. Fry;R. John Parkes

  • Phylogeny and physiology of candidate phylum 'Atribacteria' (OP9/JS1) inferred from cultivation-independent genomics

    Masaru K. Nobu;Jeremy A. Dodsworth;Jeremy A. Dodsworth;Senthil K. Murugapiran;Christian Rinke;Christian Rinke

  • Biogeochemistry and biodiversity of methane cycling in subsurface marine sediments (Skagerrak, Denmark).

    Ronald John Parkes;Barry Andrew Cragg;Natasha C. Banning;Fiona Brock

  • Role of sulfate reduction and methane production by organic carbon degradation in eutrophic fjord sediments (Limfjorden, Denmark)

    Bo Barker JØrgensen;R. John Parkes

  • Analysis of microbial communities within sediments using biomarkers

    Ronald John Parkes

  • Microbial degradation of the marine prymnesiophyte Emiliania huxleyi under oxic and anoxic conditions as a model for early diagenesis: long chain alkadienes, alkenones and alkyl alkenoates

    M. A. Teece;J. M. Getliff;J. W. Leftley;Ronald John Parkes

  • Bacterial Biomass and Activity in Deep Sediment Layers from the Peru Margin [and Discussion]

    Ronald John Parkes;Barry Andrew Cragg;John Christopher Fry;R. A. Herbert

  • Hydrogeology of the Oceanic Lithosphere

    J Telling;Erc Hornibrook;RJ Parkes

Frequent Co-Authors

John C. Fry
John C. Fry Cardiff University
James R. Maxwell
James R. Maxwell University of Bristol
Andrew J. Weightman
Andrew J. Weightman Cardiff University
Barry A. Cragg
Barry A. Cragg Cardiff University
Simon H. Bottrell
Simon H. Bottrell University of Leeds
Bo Barker Jørgensen
Bo Barker Jørgensen Aarhus University
Fiona F Whitaker
Fiona F Whitaker University of Bristol
Miriam Kastner
Miriam Kastner University of California, San Diego
Jon Telling
Jon Telling Newcastle University
Axel Schippers
Axel Schippers Federal Institute for Geosciences and Natural Resources

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 interested in Environmental Sciences, exploring related online degrees can provide diverse career opportunities. Some may find that starting with one of the easiest bachelor's degree programs helps build foundational knowledge while balancing other commitments. This approach allows for a smoother transition into specialized fields.

For those drawn to Earth's physical processes, pursuing online geology programs offers practical training and expertise. Recognized as some of the online geology programs, these courses equip students with essential skills for environmental consulting, natural resource management, and hazard assessment careers.

Geographic Information Systems (GIS) is another growing area linked to Environmental Sciences. Students can explore advanced data analysis and mapping through the best GIS graduate programs. GIS expertise opens doors to roles in urban planning, conservation, and climate research.

Additionally, environmental professionals may consider public administration to influence policy and sustainability initiatives. The easiest online MPA programs provide accelerated pathways to develop leadership skills relevant to government and nonprofit sectors focused on environmental issues.

Best Scientists Citing Ronald John Parkes

Trending Scientists

Recently Published Articles