World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
47
Citations
7857
World Ranking
5820
National Ranking
449

Gareth O. Thomas 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 Gareth O. Thomas 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: 89 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Gareth O. Thomas 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 Gareth O. Thomas 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

  • 2009 - Fellow of the Mineralogical Society of America
  • 1980 - Distinguished Scientist Award, Mineralogical Society of America

Overview

Gareth O. Thomas is affiliated with Lancaster University in the United Kingdom. Their academic and research career is marked by recognition within the mineralogical community.

Thomas has been honored with awards such as the Distinguished Scientist Award from the Mineralogical Society of America in 1980. Later, in 2009, they were named a Fellow of the Mineralogical Society of America. These awards indicate a longstanding engagement with mineralogical sciences.

The available information does not include specific details regarding Gareth O. Thomas's publication record, co-authors, research topics, or fields of study beyond the affiliation and honors received.

Best Publications

  • PAHs in background soils from western Europe : influence of atmospheric deposition and soil organic matter.

    Jae Jak Nam;Gareth O. Thomas;Foday M. Jaward;Eiliv Steinnes

  • Exposure of electronics dismantling workers to polybrominated diphenyl ethers, polychlorinated biphenyls, and organochlorine pesticides in South China.

    Xinhui Bi;Gareth O Thomas;Kevin C Jones;Weiyue Qu

  • Direct Observation of Organic Contaminant Uptake, Storage, and Metabolism within Plant Roots

    Edward Wild;John Dent;Gareth O. Thomas;Kevin C. Jones

  • PBDEs in European background soils: levels and factors controlling their distribution.

    Ashraf Hassanin;Knut Breivik;Sandra N. Meijer;Eiliv Steinnes

  • Chlorinated paraffins: a review of analysis and environmental occurrence.

    Stéphane Bayen;Jeffrey Philip Obbard;Gareth O. Thomas

  • Different levels of polybrominated diphenyl ethers (PBDEs) and chlorinated compounds in breast milk from two U.K. Regions.

    Olga I. Kalantzi;Francis L. Martin;Gareth O. Thomas;Ruth E. Alcock

  • Organohalogen chemicals in human blood from the United Kingdom.

    Gareth O. Thomas;Matthew Wilkinson;Susan Hodson;Kevin C. Jones

  • The global distribution of PCBs and organochlorine pesticides in butter.

    O I Kalantzi;R E Alcock;P A Johnston;D Santillo

  • Current issues and uncertainties in the measurement and modelling of air-vegetation exchange and within-plant processing of POPs

    Jonathan L. Barber;Gareth O. Thomas;Gerhard Kerstiens;Kevin C. Jones

  • A comparative study of the gas-particle partitioning of PCDD/FS, PCBs and PAHs

    Rainer Lohmann;Tom Harner;Gareth O. Thomas;Kevin C. Jones

  • Air-Surface Exchange of Polybrominated Diphenyl Ethers and Polychlorinated Biphenyls

    Gouin T;Thomas Go;Cousins I;Barber J

  • Polybrominated diphenyl ethers (PBDEs) in grey seals during their first year of life—are they thyroid hormone endocrine disrupters?

    Ailsa J. Hall;Olga I. Kalantzi;Gareth O. Thomas

  • The role of volatile semiochemicals in mediating host location and selection by nuisance and disease-transmitting cattle flies.

    M. A. Birkett;N. G. Agelopoulos;K-M. V. Jensen;J. B. Jespersen

  • Air-pasture transfer of PCBs.

    Gareth O. Thomas;Andrew J. Sweetman;Wendy A. Ockenden;Donald Mackay

  • Short and medium chain length chlorinated paraffins in UK human milk fat.

    Gareth O. Thomas;David Farrar;Eric Braekevelt;Gary Stern

  • Visualizing the Air-To-Leaf Transfer and Within-Leaf Movement and Distribution of Phenanthrene: Further Studies Utilizing Two-Photon Excitation Microscopy

    Edward Wild;John Dent;Gareth O. Thomas;Kevin C. Jones

  • PBDEs in the Atmosphere of Three Locations in Western Europe

    Robert G. M. Lee;Gareth O. Thomas;Kevin C. Jones

  • Spatial and temporal variability in air concentrations of short-chain (C10-C13) and medium-chain (C14-C17) chlorinated n-alkanes measured in the U.K. atmosphere.

    Jonathan L. Barber;Andy J. Sweetman;Gareth O. Thomas;Eric Braekevelt

  • Fate of Higher Brominated PBDEs in Lactating Cows

    Amelie Kierkegaard;Lillemor Asplund;Cynthia A. de Wit;Michael S. McLachlan

  • Further studies on the latitudinal and temporal trends of persistent organic pollutants in Norwegian and U.K. background air.

    Foday M. Jaward;Sandra N. Meijer;Eiliv Steinnes;Gareth O. Thomas

Frequent Co-Authors

Kevin C. Jones
Kevin C. Jones Lancaster University
Andrew J. Sweetman
Andrew J. Sweetman Lancaster University
Jonathan L. Barber
Jonathan L. Barber Centre for Environment, Fisheries and Aquaculture Science
Francis Martin
Francis Martin University of Lorraine
Donald Mackay
Donald Mackay Trent University
Tom Harner
Tom Harner Environment and Climate Change Canada
Crispin J. Halsall
Crispin J. Halsall Lancaster University
Eiliv Steinnes
Eiliv Steinnes Norwegian University of Science and Technology
Jeffrey Philip Obbard
Jeffrey Philip Obbard National University of Singapore
Kirk T. Semple
Kirk T. Semple Lancaster University

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