World's Best Scientists 2026 revealed!
Nigel T. Roulet

Nigel T. Roulet

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Earth Science
Canada
2025
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Biology and Biochemistry
Canada
2023

D-Index & Metrics

Earth Science

D-Index
85
Citations
26694
World Ranking
382
National Ranking
12

Biology and Biochemistry

D-Index
91
Citations
28853
World Ranking
2329
National Ranking
68

Nigel T. Roulet publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Nigel T. Roulet sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 231 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Nigel T. Roulet D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Nigel T. Roulet sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 85 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Research.com Recognitions

  • 2025 - Research.com Earth Science in Canada Leader Award
  • 2023 - Research.com Biology and Biochemistry in Canada Leader Award
  • 2014 - Fellow of the Royal Society of Canada Academy of Science

Overview

Nigel T. Roulet is a researcher affiliated with McGill University in Canada. Their research focuses primarily on environmental science, with a significant emphasis on ecology and related subfields.

The main fields of their study include:

  • Environmental Science

Their subfields of study further break down into:

  • Ecology
  • Atmospheric Science
  • Global and Planetary Change
  • Plant Science
  • Environmental Chemistry

Nigel T. Roulet's work covers several key topics, notably:

  • Peatlands and Wetlands Ecology
  • Coastal wetland ecosystem dynamics
  • Botany and Plant Ecology Studies
  • Climate change and permafrost
  • Fire effects on ecosystems
  • Geology and Paleoclimatology Research
  • Plant Water Relations and Carbon Dynamics

Their scientific output includes a range of recent papers published in respected journals. These notable publications are:

  • Increasing contribution of peatlands to boreal evapotranspiration in a warming climate, 2020, Nature Climate Change
  • The essential carbon service provided by northern peatlands, 2021, Frontiers in Ecology and the Environment
  • The biophysical climate mitigation potential of boreal peatlands during the growing season, 2020, Environmental Research Letters
  • Drainage reduces the resilience of a boreal peatland, 2020, Environmental Research Communications
  • Latitude, Elevation, and Mean Annual Temperature Predict Peat Organic Matter Chemistry at a Global Scale, 2022, Global Biogeochemical Cycles

Their research has appeared frequently in several publication venues, including:

  • Biogeosciences
  • Global Biogeochemical Cycles
  • Environmental Research Letters
  • Journal of Geophysical Research Biogeosciences
  • Ecosystems

Frequent collaborators in Roulet's research include:

  • Tim R. Moore
  • Hongxing He
  • Lorna I. Harris
  • Elyn Humphreys
  • Ian B. Strachan

Nigel T. Roulet has been recognized by election as a Fellow of the Royal Society of Canada in 2014, under the Academy of Science category.

Best Publications

  • Sensitivity of the carbon cycle in the Arctic to climate change

    A. David McGuire;Leif G. Anderson;Torben R. Christensen;Scott Dallimore

  • Peatlands and the carbon cycle: from local processes to global implications - a synthesis

    J. Limpens;F. Berendse;Christian Blodau;J. G. Canadell

  • Contemporary carbon balance and late Holocene carbon accumulation in a northern peatland

    Nigel T. Roulet;Peter M. Lafleur;Pierre J. H. Richard;Pierre J. H. Richard;Tim R. Moore

  • Arctic and boreal ecosystems of western North America as components of the climate system

    F. S. Chapin Iii;A. D. McGuire;J. Randerson;Roger A. Pielke

  • EFFECTS OF CLIMATE CHANGE ON THE FRESHWATERS OF ARCTIC AND SUBARCTIC NORTH AMERICA

    Wayne R. Rouse;Marianne S. V. Douglas;Robert E. Hecky;Anne E. Hershey

  • Environmental chemistry: browning the waters.

    Nigel Roulet;Tim R Moore

  • Uncertainty in Predicting the Effect of Climatic Change on the Carbon Cycling of Canadian Peatlands

    T. R. Moore;N. T. Roulet;J. M. Waddington

  • Peatlands in the Earth's 21st century climate system

    Steve Frolking;Julie Talbot;Miriam C. Jones;Claire C. Treat

  • Remote sensing of the land surface for studies of global change: Models — algorithms — experiments

    P.J. Sellers;B.W. Meeson;F.G. Hall;G. Asrar

  • Plant biomass and production and CO2 exchange in an ombrotrophic bog

    Tim R. Moore;Jill L. Bubier;Steve E. Frolking;Peter M. Lafleur

  • Interannual variability in the peatland-atmosphere carbon dioxide exchange at an ombrotrophic bog

    Peter M. Lafleur;Nigel T. Roulet;Jill L. Bubier;Steve Frolking

  • Holocene radiative forcing impact of northern peatland carbon accumulation and methane emissions

    Steve Frolking;Nigel T. Roulet

  • A model-data comparison of gross primary productivity: Results from the North American Carbon Program site synthesis

    Kevin Schaefer;Christopher R. Schwalm;Chris Williams;M. Altaf Arain

  • PEATLANDS, CARBON STORAGE, GREENHOUSE GASES, AND THE KYOTO PROTOCOL: PROSPECTS AND SIGNIFICANCE FOR CANADA

    Nigel T. Roulet

  • Wetlands In a Changing Climate: Science, Policy and Management

    William R. Moomaw;G. L. Chmura;Gillian T. Davies;C. M. Finlayson

  • Modeling Northern Peatland Decomposition and Peat Accumulation

    Steve Frolking;Nigel T. Roulet;Tim R. Moore;Pierre J. H. Richard

  • Northern fens: methane flux and climatic change

    Nigel Roulet;Tim Moore;Jill Bubier;Peter Lafleur

  • Production and Loss of Methylmercury and Loss of Total Mercury from Boreal Forest Catchments Containing Different Types of Wetlands

    Vincent L. St. Louis;John W. M. Rudd;Carol A. Kelly;Ken G. Beaty

  • Parametrization of Peatland Hydraulic Properties for the Canadian Land Surface Scheme

    Matthew G. Letts;Nigel T. Roulet;Neil T. Comer;Michael R. Skarupa

  • Methane flux: Water table relations in northern wetlands

    T. R. Moore;N. T. Roulet

  • Spatial and Temporal Variability in Growing-Season Net Ecosystem Carbon Dioxide Exchange at a Large Peatland in Ontario, Canada

    Jill L. Bubier;Gaytri Bhatia;Tim R. Moore;Nigel T. Roulet

Frequent Co-Authors

Tim R. Moore
Tim R. Moore McGill University
Steve Frolking
Steve Frolking University of New Hampshire
Peter M. Lafleur
Peter M. Lafleur Trent University
Elyn R. Humphreys
Elyn R. Humphreys Carleton University
Jill L. Bubier
Jill L. Bubier Mount Holyoke College
Lawrence B. Flanagan
Lawrence B. Flanagan University of Lethbridge
James M. Waddington
James M. Waddington McMaster University
David Olefeldt
David Olefeldt University of Alberta
Mats Nilsson
Mats Nilsson Swedish University of Agricultural Sciences
Mika Aurela
Mika Aurela Finnish Meteorological Institute

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