World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
57
Citations
11000
World Ranking
3480
National Ranking
268

David Topping 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 David Topping 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: 260 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

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

David Topping 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 David Topping 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: 57 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

David Topping is affiliated with the University of Manchester in the United Kingdom. Their research primarily focuses on environmental science, with significant contributions to several subfields including environmental engineering, health, toxicology and mutagenesis, atmospheric science, global and planetary change, and pulmonary and respiratory medicine.

The main topics covered in their work include:

  • Air Quality Monitoring and Forecasting
  • Air Quality and Health Impacts
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Atmospheric chemistry and aerosols
  • Indoor Air Quality and Microbial Exposure
  • Atmospheric Ozone and Climate
  • Atmospheric aerosols and clouds

David Topping has contributed papers to various scientific journals, often appearing in:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmosphere
  • Frontiers in Sustainable Cities
  • Atmospheric chemistry and physics
  • OPAL (Open@LaTrobe) (La Trobe University)

Selected recent papers authored or co-authored include:

  • "A predictive group-contribution model for the viscosity of aqueous organic aerosol," 2020, Atmospheric chemistry and physics
  • "New Approach Combining Molecular Fingerprints and Machine Learning to Estimate Relative Ionization Efficiency in Electrospray Ionization," 2020, ACS Omega
  • "Modelling the effect of condensed-phase diffusion on the homogeneous nucleation of ice in ultra-viscous particles," 2020, Atmospheric chemistry and physics
  • "Long-term exposure to air pollution and COVID-19 severity: A cohort study in Greater Manchester, United Kingdom," 2023, Environmental Pollution
  • "Accurate Prediction of Organic Aerosol Evaporation Using Kinetic Multilayer Modeling and the Stokes-Einstein Equation," 2021, The Journal of Physical Chemistry A

They have frequently collaborated with other researchers, including:

  • Caroline Jay
  • Douglas Lowe
  • Ann Gledson
  • Manuele Reani
  • Thomas J. Bannan

Best Publications

  • Hygroscopic properties of submicrometer atmospheric aerosol particles measured with H-TDMA instruments in various environments—a review

    Erik Swietlicki;H-C Hansson;K Hameri;Birgitta Svenningsson

  • The viscosity of atmospherically relevant organic particles

    Jonathan P. Reid;Allan K. Bertram;David O. Topping;Alexander Laskin

  • New and extended parameterization of the thermodynamic model AIOMFAC: calculation of activity coefficients for organic-inorganic mixtures containing carboxyl, hydroxyl, carbonyl, ether, ester, alkenyl, alkyl, and aromatic functional groups

    A. Zuend;C. Marcolli;A. M. Booth;D. M. Lienhard;D. M. Lienhard

  • Secondary organic aerosol reduced by mixture of atmospheric vapours

    Gordon McFiggans;Thomas F. Mentel;Juergen Wildt;Iida Pullinen;Iida Pullinen

  • General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) - integrating aerosol research from nano to global scales

    M. Kulmala;A. Asmi;H. K. Lappalainen;H. K. Lappalainen;U. Baltensperger

  • Closure study between chemical composition and hygroscopic growth of aerosol particles during TORCH2

    M. Gysel;M. Gysel;J. Crosier;D. O. Topping;J. D. Whitehead

  • Colorado River sediment transport: 1. Natural sediment supply limitation and the influence of Glen Canyon Dam

    David J. Topping;David M. Rubin;L. E. Vierra

  • Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol

    A. Kiendler-Scharr;A. A. Mensah;A. A. Mensah;E. Friese;David Topping

  • Saturation Vapor Pressures and Transition Enthalpies of Low-Volatility Organic Molecules of Atmospheric Relevance: From Dicarboxylic Acids to Complex Mixtures

    Merete Bilde;Kelley Barsanti;Murray Booth;Christopher D Cappa

  • Real-time sensing of bioaerosols: Review and current perspectives

    J. Alex Huffman;Anne E. Perring;Nicole J. Savage;Bernard Clot

  • A curved multi-component aerosol hygroscopicity model framework: Part 1 Inorganic compounds

    David O. Topping;G. B. McFiggans;H. Coe

  • A curved multi-component aerosol hygroscopicity model framework: Part 2 - Including organic compounds

    David O. Topping;G. B. McFiggans;H. Coe

  • Regional and global impacts of Criegee intermediates on atmospheric sulphuric acid concentrations and first steps of aerosol formation

    Carl J. Percival;Oliver Welz;Arkke J. Eskola;John D. Savee

  • Computation and analysis of the instantaneous-discharge record for the Colorado River at Lees Ferry, Arizona : May 8, 1921, through September 30, 2000

    David J. Topping;John C. Schmidt;L.E. Vierra

  • Maternal carriage of Prevotella during pregnancy associates with protection against food allergy in the offspring

    Peter J Vuillermin;Peter J Vuillermin;Martin O'Hely;Fiona Collier;Fiona Collier;Katrina J Allen;Katrina J Allen

  • Measurements and Predictions of Binary Component Aerosol Particle Viscosity

    Young Chul Song;Allen E. Haddrell;Bryan R Bzdek;Jonathan Philip Reid

  • Microphysical explanation of the RH-dependent water affinity of biogenic organic aerosol and its importance for climate

    N. Rastak;A. Pajunoja;J. C. Acosta Navarro;J. Ma

  • Consistency between parameterisations of aerosol hygroscopicity and CCN activity during the RHaMBLe discovery cruise

    N. Good;N. Good;D. O. Topping;J. D. Allan;M. Flynn

  • Aerosol chemical characteristics from sampling conducted on the Island of Jeju, Korea during ACE Asia

    David Topping;Hugh Coe;Gordon McFiggans;Rachel Burgess

  • UManSysProp v1.0: an online and open-source facility for molecular property prediction and atmospheric aerosol calculations

    David Topping;Mark Barley;Michael K. Bane;Nicholas Higham

  • The rate and pattern of bed incision and bank adjustment on the Colorado River in Glen Canyon downstream from Glen Canyon Dam, 1956–2000

    Paul E. Grams;John C. Schmidt;David J. Topping

  • Surface tensions of multi-component mixed inorganic/organic aqueous systems of atmospheric significance: measurements, model predictions and importance for cloud activation predictions

    D.O. Topping;G.B. McFiggans;G. Kiss;Z. Varga

  • Paleogeographic reconstruction of the Death Valley extended region: Evidence from Miocene large rock-avalanche deposits in the Amargosa Chaos Basin, California

    David J. Topping

  • Simplification of the representation of the organic component of atmospheric particulates

    Gordon McFiggans;M. Rami Alfarra;James Allan;Keith Bower

  • Online gas- and particle-phase measurements of organosulfates, organosulfonates and nitrooxy organosulfates in Beijing utilizing a FIGAERO ToF-CIMS

    Michael Le Breton;Yujue Wang;Åsa M. Hallquist;Ravi Kant Pathak

Frequent Co-Authors

Gordon McFiggans
Gordon McFiggans University of Manchester
Carl J. Percival
Carl J. Percival University of Manchester
Hugh Coe
Hugh Coe University of Manchester
Ilona Riipinen
Ilona Riipinen Stockholm University
Jonathan P. Reid
Jonathan P. Reid University of Bristol
Paul Connolly
Paul Connolly University of Manchester
Martin Gallagher
Martin Gallagher University of Manchester
James Allan
James Allan University of Manchester
Michael Flynn
Michael Flynn University of Manchester
Paul I. Williams
Paul I. Williams University of Manchester

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Related Online Degrees & Career Pathways

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