World's Best Scientists 2026 revealed!
Graham A. Gagnon

Graham A. Gagnon

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
6835
World Ranking
6478
National Ranking
286

Graham A. Gagnon 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 Graham A. Gagnon 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: 248 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Graham A. Gagnon 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 Graham A. Gagnon 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: 45 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Overview

Graham A. Gagnon is affiliated with Dalhousie University in Canada and has published extensively within the field of Environmental Science, focusing particularly on subfields such as Health, Toxicology and Mutagenesis, Infectious Diseases, Biomedical Engineering, Pollution, and Water Science and Technology.

The research topics that Graham A. Gagnon has contributed to include:

  • Water Treatment and Disinfection
  • SARS-CoV-2 detection and testing
  • Biosensors and Analytical Detection
  • Heavy metals in environment
  • Mercury impact and mitigation studies
  • Heavy Metal Exposure and Toxicity
  • Advanced biosensing and bioanalysis techniques

Recent papers authored or coauthored by Graham A. Gagnon cover a range of environmental and public health challenges:

  • TiN, ZrN, and HfN Nanoparticles on Nanoporous Aluminum Oxide Membranes for Solar-Driven Water Evaporation and Desalination, 2020, ACS Applied Nano Materials
  • Pandemic danger to the deep: The risk of marine mammals contracting SARS-CoV-2 from wastewater, 2020, The Science of The Total Environment
  • A novel passive sampling approach for SARS-CoV-2 in wastewater in a Canadian province with low prevalence of COVID-19, 2021, Environmental Science Water Research & Technology
  • A review of long-term change in surface water natural organic matter concentration in the northern hemisphere and the implications for drinking water treatment, 2022, The Science of The Total Environment
  • Simultaneous detection of SARS-CoV-2, influenza A, respiratory syncytial virus, and measles in wastewater by multiplex RT-qPCR, 2023, The Science of The Total Environment

Gagnon frequently publishes in several scientific venues, with the highest number of publications in:

  • Environmental Science Water Research & Technology (18)
  • Scientific Reports (10)
  • AWWA Water Science (9)
  • The Science of The Total Environment (7)
  • ACS ES&T Water (7)

Among frequent co-authors working with Graham A. Gagnon are:

  • Amina K. Stoddart (41 collaborations)
  • Benjamin F. Trueman (32 collaborations)
  • Sean A. MacIsaac (19 collaborations)
  • Emalie K. Hayes (17 collaborations)
  • Lindsay E. Anderson (15 collaborations)

Best Publications

  • Comparison of advanced oxidation processes for the removal of natural organic matter

    Rupa Lamsal;Margaret E. Walsh;Graham A. Gagnon

  • Disinfectant efficacy of chlorite and chlorine dioxide in drinking water biofilms

    G.A. Gagnon;J.L. Rand;K.C. O’Leary;A.C. Rygel

  • Ozone Application in Recirculating Aquaculture System: An Overview

    Alex Augusto Gonçalves;Graham A. Gagnon

  • Impact of ozonation on water quality in marine recirculation systems

    Martin S Tango;Graham A Gagnon

  • Adsorption of dissolved organic matter (DOM) onto the synthetic iron pipe corrosion scales (goethite and magnetite): Effect of pH

    M. Safiur Rahman;Marc Whalen;Graham A. Gagnon

  • An efficient biofilm removal method for bacterial cells exposed to drinking water

    Graham A Gagnon;Robin M Slawson

  • Manganese removal during bench-scale biofiltration.

    Mark S. Burger;Stephen S. Mercer;Gordon D. Shupe;Graham A. Gagnon

  • Treatment of drinking water residuals: comparing sedimentation and dissolved air flotation performance with optimal cation ratios.

    J.C Bourgeois;M.E Walsh;G.A Gagnon

  • Implementation of chlorine dioxide disinfection: Effects of the treatment change on drinking water quality in a full-scale distribution system

    C J Volk;R Hofmann;C Chauret;G A Gagnon

  • Understanding removal of phosphate or arsenate onto water treatment residual solids.

    Meaghan K. Gibbons;Graham A. Gagnon

  • A field study evaluation for mitigating biofouling with chlorine dioxide or chlorine integrated with UV disinfection.

    J.L. Rand;R. Hofmann;M.Z.B. Alam;C. Chauret

  • Manganese removal and occurrence of manganese oxidizing bacteria in full-scale biofilters

    M. S. Burger;C. A. Krentz;S. S. Mercer;G. A. Gagnon

  • Carboxylic acids: formation and removal in full-scale plants

    Graham A. Gagnon;Stephen D.J. Booth;Sigrid Peldszus;Dennis Mutti

  • Sequential UV- and chlorine-based disinfection to mitigate Escherichia coli in drinking water biofilms

    H.M. Murphy;S.J. Payne;G.A. Gagnon

  • Comparative analysis of chlorine dioxide, free chlorine and chloramines on bacterial water quality in model distribution systems

    G. A. Gagnon;K. C. O’Leary;C. J. Volk;C. Chauret

  • Inactivation of biofilm-bound Pseudomonas aeruginosa bacteria using UVC light emitting diodes (UVC LEDs).

    Stephanie L. Gora;Kyle D. Rauch;C. Carolina Ontiveros;Amina K. Stoddart

  • Phosphorus adsorption by naturally-occurring materials and industrial by-products

    Maruf Mortula;Meaghan Gibbons;Graham A Gagnon

  • Adsorption of arsenic from a Nova Scotia groundwater onto water treatment residual solids.

    Meaghan K. Gibbons;Graham A. Gagnon

  • TiN, ZrN, and HfN Nanoparticles on Nanoporous Aluminum Oxide Membranes for Solar-Driven Water Evaporation and Desalination

    Emily Traver;Reem A. Karaballi;Yashar E. Monfared;Heather Daurie

  • Bench-scale evaluation of drinking water treatment parameters on iron particles and water quality.

    M. Safiur Rahman;Graham A. Gagnon

  • Unintended consequences of regulating drinking water in rural Canadian communities: Examples from Atlantic Canada

    Megan Kot;Heather Castleden;Graham A. Gagnon

  • The human dimension of water safety plans: a critical review of literature and information gaps

    Megan Kot;Heather Castleden;Graham A. Gagnon

Frequent Co-Authors

Rob Jamieson
Rob Jamieson Dalhousie University
Peter M. Huck
Peter M. Huck University of Waterloo
Michèle Prévost
Michèle Prévost Polytechnique Montréal
R. M. Garland
R. M. Garland University of Pretoria
Graham Dellaire
Graham Dellaire Dalhousie University
Jeffrey R. Pierce
Jeffrey R. Pierce Colorado State University
Robert Gordon
Robert Gordon Wilfrid Laurier University
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Daniel E. Giammar
Daniel E. Giammar Washington University in St. Louis
Qiang Zhang
Qiang Zhang Tsinghua University

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