World's Best Scientists 2026 revealed!
Leah R. Williams

Leah R. Williams

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
15972
World Ranking
7543
National Ranking
2678

Leah R. Williams 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 Leah R. Williams 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: 113 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

Leah R. Williams 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 Leah R. Williams 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

Leah R. Williams is affiliated with Aerodyne Research in the United States and has a research focus spanning Environmental Science and Earth and Planetary Sciences. Their work prominently addresses Atmospheric Science, Health, Toxicology and Mutagenesis, Global and Planetary Change, Automotive Engineering, and Environmental Engineering as significant subfields of study.

The main topics covered in Williams's research include Atmospheric chemistry and aerosols, Air Quality and Health Impacts, Atmospheric aerosols and clouds, Vehicle emissions and performance, Air Quality Monitoring and Forecasting, Atmospheric Ozone and Climate, and Fire dynamics and safety research.

Williams has contributed to several scholarly papers with notable publications listed below:

  • Evolution of the light-absorption properties of combustion brown carbon aerosols following reaction with nitrate radicals, 2020, Aerosol Science and Technology
  • Mediterranean nascent sea spray organic aerosol and relationships with seawater biogeochemistry, 2021, Atmospheric chemistry and physics
  • Nitrate radical generation via continuous generation of dinitrogen pentoxide in a laminar flow reactor coupled to an oxidation flow reactor, 2020, Atmospheric measurement techniques
  • Particle detection using the dual-vaporizer configuration of the soot particle Aerosol Mass Spectrometer (SP-AMS), 2020, Aerosol Science and Technology
  • Investigating the Sources of Urban Air Pollution Using Low-Cost Air Quality Sensors at an Urban Atlanta Site, 2022, Environmental Science & Technology

The frequent co-authors in Williams's research collaborations include:

  • Andrew T. Lambe
  • John T. Jayne
  • Philip Croteau
  • Jordan Krechmer
  • Anita M. Avery

Williams has published predominantly in the following venues:

  • Aerosol Science and Technology (6 publications)
  • Atmospheric chemistry and physics (5 publications)
  • Atmospheric measurement techniques (1 publication)
  • Environmental Science & Technology (1 publication)
  • ACS Earth and Space Chemistry (1 publication)

Best Publications

  • Evolution of Organic Aerosols in the Atmosphere

    J. L. Jimenez;M. R. Canagaratna;N. M. Donahue;A. S. H. Prevot

  • Chemical and microphysical characterization of ambient aerosols with the aerodyne aerosol mass spectrometer

    M. R. Canagaratna;J. T. Jayne;J. L. Jimenez;J. D. Allan

  • Elemental ratio measurements of organic compounds using aerosol mass spectrometry: characterization, improved calibration, and implications

    M. R. Canagaratna;J. L. Jimenez;J. H. Kroll;Q. Chen

  • Soot Particle Aerosol Mass Spectrometer: Development, Validation, and Initial Application

    T. B. Onasch;A. Trimborn;E. C. Fortner;J. T. Jayne

  • Transmission Efficiency of an Aerodynamic Focusing Lens System: Comparison of Model Calculations and Laboratory Measurements for the Aerodyne Aerosol Mass Spectrometer

    Peter S. K. Liu;Rensheng Deng;Kenneth A. Smith;Leah R. Williams

  • Mass accommodation and chemical reactions at gas-liquid interfaces.

    Paul Davidovits;Charles E. Kolb;Leah R. Williams;John T. Jayne

  • Contribution of nitrated phenols to wood burning brown carbon light absorption in Detling, United Kingdom during winter time.

    Claudia Mohr;Felipe D. Lopez-Hilfiker;Peter Zotter;André S. H. Prévôt

  • Laboratory studies of the chemical composition and cloud condensation nuclei (CCN) activity of secondary organic aerosol (SOA) and oxidized primary organic aerosol (OPOA)

    A.T. Lambe;T.B. Onasch;P. Massoli;D.R. Croasdale

  • Characterization of aerosol photooxidation flow reactors: heterogeneous oxidation, secondary organic aerosol formation and cloud condensation nuclei activity measurements

    A.T. Lambe;A.T. Ahern;L.R. Williams;J.G. Slowik

  • Enhanced light absorption by mixed source black and brown carbon particles in UK winter

    Shang Liu;Shang Liu;Allison C. Aiken;Kyle Gorkowski;Kyle Gorkowski;Manvendra K. Dubey

  • An Inter-Comparison of Instruments Measuring Black Carbon Content of Soot Particles

    Jay G. Slowik;Eben S. Cross;Jeong-Ho Han;Paul Davidovits

  • Use of electrochemical sensors for measurement of air pollution: correcting interference response and validating measurements

    Eben S. Cross;Leah R. Williams;David K. Lewis;Gregory R. Magoon

  • Relationship between aerosol oxidation level and hygroscopic properties of laboratory generated secondary organic aerosol (SOA) particles

    P. Massoli;A.T. Lambe;A.T. Ahern;L.R. Williams

  • Particle Morphology and Density Characterization by Combined Mobility and Aerodynamic Diameter Measurements. Part 2: Application to Combustion-Generated Soot Aerosols as a Function of Fuel Equivalence Ratio

    Jay G. Slowik;K. Stainken;Paul Davidovits;L. R. Williams

  • Soot Particle Studies—Instrument Inter-Comparison—Project Overview

    Eben S. Cross;Timothy B. Onasch;Adam Ahern;William Wrobel

  • Reactive uptake and hydration experiments on amorphous carbon treated with NO2, SO2, O3, HNO3, and H2SO4

    C. A. Rogaski;D. M. Golden;L. R. Williams

  • Light Absorption by Ambient Black and Brown Carbon and its Dependence on Black Carbon Coating State for Two California, USA, Cities in Winter and Summer

    Christopher D. Cappa;Xiaolu Zhang;Lynn M. Russell;Sonya Collier;Sonya Collier

  • Laboratory characterization of an aerosol chemical speciation monitor with PM2.5 measurement capability

    Wen Xu;Philip Croteau;Leah Williams;Manjula Canagaratna

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

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

  • Pollution Gradients and Chemical Characterization of Particulate Matter from Vehicular Traffic near Major Roadways: Results from the 2009 Queens College Air Quality Study in NYC

    Paola Massoli;Edward C. Fortner;Manjula R. Canagaratna;Leah R. Williams

  • Measurements of Morphology Changes of Fractal Soot Particles using Coating and Denuding Experiments: Implications for Optical Absorption and Atmospheric Lifetime

    Jay G. Slowik;Eben S. Cross;Jeong-Ho Han;Jennifer Kolucki

Frequent Co-Authors

Timothy B. Onasch
Timothy B. Onasch Boston College
Douglas R. Worsnop
Douglas R. Worsnop University of Helsinki
Paul Davidovits
Paul Davidovits Boston College
Nga L. Ng
Nga L. Ng Georgia Institute of Technology
Paola Massoli
Paola Massoli Earth System Research Laboratory
James Allan
James Allan University of Manchester
Charles E. Kolb
Charles E. Kolb Aerodyne Research
Allison C. Aiken
Allison C. Aiken Los Alamos National Laboratory

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