World's Best Scientists 2026 revealed!
Georges Lacrampe-Couloume

Georges Lacrampe-Couloume

D-Index & Metrics

Environmental Sciences

D-Index
38
Citations
6115
World Ranking
8604
National Ranking
399

Georges Lacrampe-Couloume 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 Georges Lacrampe-Couloume 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: 71 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Georges Lacrampe-Couloume 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 Georges Lacrampe-Couloume 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: 38 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Overview

Georges Lacrampe-Couloume is affiliated with the University of Toronto in Canada and is active in the field of Environmental Science. Their research encompasses several specialized subfields, including Ecology, Geochemistry and Petrology, Environmental Chemistry, Mechanics of Materials, and Pharmaceutical Science.

The scientist's work focuses on a variety of topics that intersect isotope analysis and environmental processes. These main topics include:

  • Isotope Analysis in Ecology
  • Groundwater and Isotope Geochemistry
  • Microbial Community Ecology and Physiology
  • Methane Hydrates and Related Phenomena
  • Hydrocarbon Exploration and Reservoir Analysis
  • Chemical Reactions and Isotopes
  • Radioactive Contamination and Transfer

Their publication record features articles in several scientific journals. Recent papers include:

  • "Compound specific isotope analysis in hydrogeology," 2022, Journal of Hydrology
  • "Advances in carbon isotope analysis of trapped methane and volatile hydrocarbons in crystalline rock cores," 2021, Rapid Communications in Mass Spectrometry
  • "Isotope fractionation (2H/1H, 13C/12C, 37Cl/35Cl) in trichloromethane and trichloroethene caused by partitioning between gas phase and water," 2020, Environmental Science Processes & Impacts

Georges Lacrampe-Couloume has collaborated frequently with several coauthors, including:

  • Axel Horst
  • Oliver Warr
  • Elizabeth Phillips
  • Bridget A. Bergquist
  • Michelle M. G. Chartrand

The publication venues reflect the interdisciplinary and applied nature of their research, mainly appearing in:

  • Journal of Hydrology
  • Rapid Communications in Mass Spectrometry
  • Environmental Science Processes & Impacts

Best Publications

  • Abiogenic formation of alkanes in the Earth's crust as a minor source for global hydrocarbon reservoirs

    B. Sherwood Lollar;T. D. Westgate;J. A. Ward;G. F. Slater

  • Solubility trapping in formation water as dominant CO2 sink in natural gas fields

    Stuart M V Gilfillan;Barbara Sherwood Lollar;Greg Holland;David Blagburn

  • Unravelling abiogenic and biogenic sources of methane in the Earth's deep subsurface

    B. Sherwood Lollar;G. Lacrampe-Couloume;G. F. Slater;J. Ward

  • The contribution of the Precambrian continental lithosphere to global H2 production.

    Barbara Sherwood Lollar;T. C. Onstott;G. Lacrampe-Couloume;C. J. Ballentine

  • The yield and isotopic composition of radiolytic H2, a potential energy source for the deep subsurface biosphere

    Li-Hung Lin;Greg F. Slater;Greg F. Slater;Barbara Sherwood Lollar;Georges Lacrampe-Couloume

  • Deep fracture fluids isolated in the crust since the Precambrian era

    Greg Holland;Greg Holland;B. Sherwood Lollar;L. Li;L. Li;Georges Lacrampe-Couloume

  • Isotopic signatures of CH4 and higher hydrocarbon gases from Precambrian Shield sites: A model for abiogenic polymerization of hydrocarbons

    B. Sherwood Lollar;G. Lacrampe-Couloume;K. Voglesonger;T.C. Onstott

  • Ammonium stability and nitrogen isotope fractionations for NH4+–NH3(aq)–NH3(gas) systems at 20–70 °C and pH of 2–13: Applications to habitability and nitrogen cycling in low-temperature hydrothermal systems

    Long Li;Barbara Sherwood Lollar;Hong Li;Ulrich G. Wortmann

  • Carbon and hydrogen isotopic fractionation during anaerobic biodegradation of benzene.

    Silvia A. Mancini;Ania C. Ulrich;Georges Lacrampe-Couloume;Brent Sleep

  • Abiotic formation of hydrocarbons under hydrothermal conditions: Constraints from chemical and isotope data

    Qi Fu;Barbara Sherwood Lollar;Juske Horita;Georges Lacrampe-Couloume

  • The influence of carbon source on abiotic organic synthesis and carbon isotope fractionation under hydrothermal conditions

    Thomas M. McCollom;Barbara Sherwood Lollar;Georges Lacrampe-Couloume;Jeffrey S. Seewald

  • Hydrogeologic controls on episodic H2 release from precambrian fractured rocks--energy for deep subsurface life on earth and mars.

    B. Sherwood Lollar;K. Voglesonger;L. H. Lin;G. Lacrampe-Couloume

  • Carbon and Hydrogen Isotopic Fractionation during Biodegradation of Methyl tert-Butyl Ether

    Jennifer R. Gray;Georges Lacrampe-Couloume;Deepa Gandhi;Kate M. Scow

  • An approach for assessing total instrumental uncertainty in compound-specific carbon isotope analysis: implications for environmental remediation studies.

    Barbara Sherwood Lollar;Sarah K Hirschorn;Michelle M G Chartrand;Georges Lacrampe-Couloume

  • Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere

    J.A Ward;G.F Slater;D.P Moser;L.-H Lin

  • Hydrogen isotopic enrichment: an indicator of biodegradation at a petroleum hydrocarbon contaminated field site.

    Silvia A. Mancini;Georges Lacrampe-Couloume;Hendrikus Jonker;Boris M. Van Breukelen

  • Quantifying chlorinated ethene degradation during reductive dechlorination at Kelly AFB using stable carbon isotopes

    Penny L. Morrill;Georges Lacrampe-Couloume;Gregory F. Slater;Gregory F. Slater;Brent E. Sleep

  • Hydrogen isotope fractionation during methanogenic degradation of toluene: Potential for direct verification of bioremediation

    Julie A. M. Ward;Jason M. E. Ahad;Georges Lacrampe-Couloume;Greg F. Slater

  • Heterotrophic and Autotrophic Microbial Populations in Cold Perennial Springs of the High Arctic

    Nancy N. Perreault;Nancy N. Perreault;Charles W. Greer;Dale T. Andersen;Stefanie Tille

  • Microbial characterization of a subzero, hypersaline methane seep in the Canadian High Arctic.

    Thomas D Niederberger;Nancy N Perreault;Nancy N Perreault;Stephanie Tille;Barbara Sherwood Lollar

Frequent Co-Authors

Barbara Sherwood Lollar
Barbara Sherwood Lollar University of Toronto
Elizabeth A. Edwards
Elizabeth A. Edwards University of Toronto
Tullis C. Onstott
Tullis C. Onstott Princeton University
Jon Telling
Jon Telling Newcastle University
Chris J. Ballentine
Chris J. Ballentine University of Oxford
Martin Elsner
Martin Elsner Technical University of Munich
Thomas M. McCollom
Thomas M. McCollom University of Colorado Boulder
Lisa M. Pratt
Lisa M. Pratt Indiana University
Brent E. Sleep
Brent E. Sleep University of Toronto
Charles W. Greer
Charles W. Greer National Research Council Canada

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