World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
43
Citations
9357
World Ranking
6981
National Ranking
538

Barry A. Cragg 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 Barry A. Cragg 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: 90 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Barry A. Cragg 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 Barry A. Cragg 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: 43 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Barry A. Cragg is affiliated with Cardiff University in the United Kingdom and has an extensive publication record primarily focused on engineering and earth and planetary sciences. Their work emphasizes ocean engineering as a major subfield, alongside environmental chemistry, geophysics, oceanography, and mechanical engineering.

The scientist's main topics of research include reservoir engineering and simulation methods, methane hydrates and related phenomena, seismic imaging and inversion techniques, drilling and well engineering, geophysics and gravity measurements, offshore engineering and technologies, and hydraulic fracturing and reservoir analysis.

Barry A. Cragg's frequent co-authors reflect collaborative efforts in related disciplines and include R. John Parkes, Bo Barker Jørgensen, Arthur J. Spivack, Thomas Andrén, and Carol Cotterill.

The scientist has published a combination of research articles and data reports. Selected recent papers include:

  • "Methanogen activity and microbial diversity in Gulf of Cádiz mud volcano sediments" (2023), Frontiers in Microbiology
  • "ODP Leg 146, Hole 892C - Well Logging Data" (2020), Zenodo (CERN European Organization for Nuclear Research)
  • "IODP Expedition 347, Hole M0064D - Well Logging Data" (2021), Zenodo (CERN European Organization for Nuclear Research)
  • "IODP Expedition 307, Hole U1317D - Well Logging Data" (2021), Zenodo (CERN European Organization for Nuclear Research)
  • "ODP Leg 201, Hole 1230A - Well Logging Data" (2021), Zenodo (CERN European Organization for Nuclear Research)

The venues where this scientist frequently publishes comprise data repositories and thematic journals. These include Zenodo (CERN European Organization for Nuclear Research), OPAL (Open@LaTrobe) at La Trobe University, and Frontiers in Microbiology.

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

  • 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

  • A review of prokaryotic populations and processes in sub-seafloor sediments, including biosphere:geosphere interactions

    R. John Parkes;Barry Cragg;Erwan Roussel;Gordon Webster

  • Deep marine biosphere fuelled by increasing organic matter availability during burial and heating

    Peter Wellsbury;Kim Goodman;Tanja Barth;Barry A. Cragg

  • Widespread bacterial populations at glacier beds and their relationship to rock weathering and carbon cycling

    Martin Sharp;John Parkes;Barry Cragg;Ian J. Fairchild

  • Prokaryotic biodiversity and activity in the deep subseafloor biosphere.

    John C. Fry;R. John Parkes;Barry A. Cragg;Andrew J. Weightman

  • Diversity of prokaryotes and methanogenesis in deep subsurface sediments from the Nankai Trough, Ocean Drilling Program Leg 190

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

  • Extending the Sub-Sea-Floor Biosphere

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

  • New insights into deformation and fluid flow processes in the Nankai Trough accretionary prism: Results of Ocean Drilling Program Leg 190

    Gregory F. Moore;Asahiko Taira;Adam Klaus;Luann Becker

  • Methanogen and bacterial diversity and distribution in deep gas hydrate sediments from the Cascadia Margin as revealed by 16S rRNA molecular analysis

    Julian R. Marchesi;Andrew J. Weightman;Barry A. Cragg;R. John Parkes

  • 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

  • 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

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

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

  • 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

  • Isotopic evidence for anoxic pyrite oxidation and stimulation of bacterial sulphate reduction in marine sediments

    S. H. Bottrell;Ronald John Parkes;Barry Andrew Cragg;R. Raiswell

  • Living microbial ecosystems within the active zone of catagenesis: Implications for feeding the deep biosphere

    B. Horsfield;H.J. Schenk;K. Zink;R. Ondrak

  • The microbiology of deep-sea hydrothermal vents

    Unknown

Frequent Co-Authors

Ronald John Parkes
Ronald John Parkes Cardiff University
John C. Fry
John C. Fry Cardiff University
Andrew J. Weightman
Andrew J. Weightman Cardiff University
Bo Barker Jørgensen
Bo Barker Jørgensen Aarhus University
Timothy G. Ferdelman
Timothy G. Ferdelman Max Planck Society
Miriam Kastner
Miriam Kastner University of California, San Diego
Caroline P. Slomp
Caroline P. Slomp Radboud University
Jens Kallmeyer
Jens Kallmeyer Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences
James R. Maxwell
James R. Maxwell University of Bristol
Arthur J. Spivack
Arthur J. Spivack University of Rhode Island

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