World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
5684
World Ranking
7810
National Ranking
590

Grant Allen 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 Grant Allen 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: 205 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Grant Allen 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 Grant Allen 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: 41 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Overview

Grant Allen is affiliated with the University of Manchester in the United Kingdom. Their research predominantly focuses on environmental science and earth and planetary sciences, with a particular emphasis on global and planetary change, atmospheric science, and environmental engineering as key subfields. The work also touches on ocean engineering and health, toxicology, and mutagenesis.

The main topics covered in their publications include atmospheric and environmental gas dynamics, atmospheric chemistry and aerosols, coal properties and utilization, air quality monitoring and forecasting, wind and air flow studies, methane hydrates and related phenomena, and atmospheric ozone and climate.

Their recent papers include:

  • "Methane Mitigation: Methods to Reduce Emissions, on the Path to the Paris Agreement" (2020), published in Reviews of Geophysics
  • "Methods for quantifying methane emissions using unmanned aerial vehicles: a review" (2021), published in Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences
  • "The calibration and deployment of a low-cost methane sensor" (2020), published in Atmospheric Environment
  • "Testing the near-field Gaussian plume inversion flux quantification technique using unmanned aerial vehicle sampling" (2020), published in Atmospheric measurement techniques
  • "Large Methane Emission Fluxes Observed From Tropical Wetlands in Zambia" (2022), published in Global Biogeochemical Cycles

Frequent co-authors collaborating with Grant Allen include Joseph Pitt, J.T. Shaw, Stéphane Bauguitte, James Lee, and Rebecca Fisher, indicating continued partnerships across several projects.

The researcher has multiple publications in noteworthy venues, such as Atmospheric chemistry and physics, Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, SSRN Electronic Journal, Atmospheric measurement techniques, and Atmosphere.

Grant Allen also has a book publication in the field of technology titled "Android for Absolute Beginners," released in 2021 by Apress eBooks.

Best Publications

  • Very Strong Atmospheric Methane Growth in the 4 Years 2014–2017:Implications for the Paris Agreement

    E. G. Nisbet;M. R. Manning;E. J. Dlugokencky;R. E. Fisher

  • Methane Mitigation: Methods to Reduce Emissions, on the Path to the Paris Agreement

    E. G. Nisbet;R. E. Fisher;D. Lowry

  • The VAMOS Ocean-Cloud-Atmosphere-Land Study Regional Experiment (VOCALS-REx): goals, platforms, and field operations

    R. Wood;C. R. Mechoso;C. S. Bretherton;R. A. Weller

  • Southeast Pacific stratocumulus clouds, precipitation and boundary layer structure sampled along 20° S during VOCALS-REx

    C. S. Bretherton;R. Wood;R. C. George;D. Leon

  • An aircraft case study of the spatial transition from closed to open mesoscale cellular convection over the Southeast Pacific

    R. Wood;C. S. Bretherton;D. Leon;A. D. Clarke

  • The development and trial of an unmanned aerial system for the measurement of methane flux from landfill and greenhouse gas emission hotspots.

    Grant Allen;Peter Hollingsworth;Khristopher Kabbabe;Joseph R. Pitt

  • South East Pacific atmospheric composition and variability sampled along 20° S during VOCALS-REx

    G. Allen;H. Coe;A. Clarke;C. Bretherton

  • Extensive release of methane from Arctic seabed west of Svalbard during summer 2014 does not influence the atmosphere

    C. Lund Myhre;B. Ferré;S. M. Platt;A. Silyakova

  • Meteorology, air quality, and health in London: the ClearfLo project

    S.I. Bohnenstengel;S.E. Belcher;A. Aiken;J. D. Allan

  • Characterizing the aging of biomass burning organic aerosol by use of mixing ratios: a meta-analysis of four regions.

    Matthew D. Jolleys;Hugh Coe;Gordon McFiggans;Gerard Capes

  • Methods for quantifying methane emissions using unmanned aerial vehicles: a review.

    Jacob T. Shaw;Adil Shah;Han Yong;Grant Allen

  • Size-dependent wet removal of black carbon in Canadian biomass burning plumes

    Jonathan Taylor;J. D. Allan;G. Allen;H. Coe

  • Measurement of the 13C isotopic signature of methane emissions from northern European wetlands

    Rebecca E. Fisher;David Lowry;Mathias Lanoisellé

  • Evaluating WRF-Chem aerosol indirect effects in Southeast Pacific marine stratocumulus during VOCALS-Rex

    Pablo Saide;Gregory Carmichael;M. A. Mena-Carrasco

  • Aerosol and trace-gas measurements in the Darwin area during the wet season

    Grant Allen;G. Vaughan;K. N. Bower;P. I. Williams

  • Area fluxes of carbon dioxide, methane, and carbon monoxide derived from airborne measurements around Greater London: A case study during summer 2012

    Sebastian J. O'Shea;Grant Allen;Zoë L. Fleming;Stephane J.-B. Bauguitte

  • Aerosol concentration and size distribution measured below, in, and above cloud from the DOE G-1 during VOCALS-REx

    Lawrence I. Kleinman;Peter H. Daum;Y. N. Lee;Ernie R. Lewis

  • Evaluation of stratocumulus cloud prediction in the Met Office forecast model during VOCALS-REx

    S. J. Abel;D. N. Walters;G. Allen

  • Form and Function of Clostridium thermocellum Biofilms

    Alexandru Dumitrache;Gideon Wolfaardt;Grant Allen;Steven N. Liss

  • Methane emissions from oil and gas platforms in the North Sea.

    Stuart N. Riddick;Denise L. Mauzerall;Michael Celia;Neil R. P. Harris

  • NO x production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE

    H. Huntrieser;H. Schlager;M. Lichtenstern;A. Roiger

Frequent Co-Authors

Martin Gallagher
Martin Gallagher University of Manchester
David Lowry
David Lowry Royal Holloway University of London
Carl J. Percival
Carl J. Percival University of Manchester
Euan G. Nisbet
Euan G. Nisbet Royal Holloway University of London
Keith Bower
Keith Bower University of Manchester
Stephane Bauguitte
Stephane Bauguitte Cranfield University
Hugh Coe
Hugh Coe University of Manchester
John A. Pyle
John A. Pyle University of Cambridge
James D. Lee
James D. Lee University of York
Geraint Vaughan
Geraint Vaughan University of Manchester

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Related Online Degrees & Career Pathways

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