World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
79
Citations
18988
World Ranking
1034
National Ranking
449

Douglas A. Day 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 Douglas A. Day 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 296 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Douglas A. Day 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 Douglas A. Day 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 79 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Oxygen
  • Carbon dioxide

His primary scientific interests are in Aerosol, Environmental chemistry, NOx, Nitrate and Atmospheric sciences. His work carried out in the field of Aerosol brings together such families of science as Environmental engineering, Air quality index, Gasoline, Diesel fuel and Particulates. His Particulates study combines topics in areas such as Atmosphere and Total organic carbon.

Douglas A. Day undertakes interdisciplinary study in the fields of Environmental chemistry and TRACER through his research. His study in NOx is interdisciplinary in nature, drawing from both Chemical transport model and Sulfate. The study incorporates disciplines such as Storm, Meteorology, Outflow and Alkyl in addition to Atmospheric sciences.

His most cited work include:

  • Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies (339 citations)
  • Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies (339 citations)
  • Elucidating secondary organic aerosol from diesel and gasoline vehicles through detailed characterization of organic carbon emissions (264 citations)

What are the main themes of his work throughout his whole career to date?

Douglas A. Day mainly investigates Aerosol, Environmental chemistry, Atmospheric sciences, Mass spectrometry and Troposphere. His research integrates issues of Atmosphere, Particulates, Nitrate and Analytical chemistry in his study of Aerosol. His Environmental chemistry research is multidisciplinary, relying on both NOx, Ozone, Atmospheric chemistry and Air quality index.

He has included themes like Sulfate, Meteorology, Plume and Extinction in his Atmospheric sciences study. He works mostly in the field of Mass spectrometry, limiting it down to topics relating to Chemical ionization and, in certain cases, Organic acid. His Troposphere study incorporates themes from Air mass, Water vapor and Sea salt.

He most often published in these fields:

  • Aerosol (112.56%)
  • Environmental chemistry (76.81%)
  • Atmospheric sciences (39.13%)

What were the highlights of his more recent work (between 2019-2021)?

  • Aerosol (112.56%)
  • Mass spectrometry (27.05%)
  • Environmental chemistry (76.81%)

In recent papers he was focusing on the following fields of study:

His main research concerns Aerosol, Mass spectrometry, Environmental chemistry, Atmospheric sciences and Troposphere. His Aerosol research is multidisciplinary, incorporating perspectives in Volatility, Mass concentration and Ammonium. The various areas that Douglas A. Day examines in his Mass spectrometry study include Detection limit, Gas chromatography and Chemical composition.

TRACER, Natural and Amazon rainforest are fields of study that overlap with his Environmental chemistry research. In his research, Air mass, AERONET, Extinction and Cloud condensation nuclei is intimately related to Atmosphere, which falls under the overarching field of Atmospheric sciences. In his research on the topic of Troposphere, Spatial distribution, Soot and Remote sensing is strongly related with Sea salt.

Between 2019 and 2021, his most popular works were:

  • Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere. (22 citations)
  • Characterization of organic aerosol across the global remote troposphere: a comparison of ATom measurements and global chemistry models (16 citations)
  • Characterization of organic aerosol across the global remote troposphere: a comparison of ATom measurements and global chemistry models (16 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Oxygen
  • Carbon dioxide

Douglas A. Day mainly focuses on Aerosol, Troposphere, Sea salt, Atmospheric sciences and Atmosphere. Douglas A. Day interconnects Spatial distribution and Relative humidity in the investigation of issues within Aerosol. His studies in Spatial distribution integrate themes in fields like Northern Hemisphere and Stratosphere.

He interconnects Organic compound, Chemical transport model, Glass transition and Hydrogen in the investigation of issues within Relative humidity. His research integrates issues of Cloud condensation nuclei, Dimethyl sulfide, Sulfur, Earth's energy budget and Biogeochemistry in his study of Atmospheric sciences. His Natural research includes a combination of various areas of study, such as Amazon rainforest, TRACER and Environmental chemistry.

Best Publications

  • Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies

    M. J. Cubison;M. J. Cubison;A. M. Ortega;A. M. Ortega;P. L. Hayes;P. L. Hayes;D. K. Farmer;D. K. Farmer

  • Elucidating secondary organic aerosol from diesel and gasoline vehicles through detailed characterization of organic carbon emissions

    Drew R. Gentner;Gabriel Isaacman;David R. Worton;Arthur W. H. Chan

  • Nitrate radicals and biogenic volatile organic compounds: oxidation, mechanisms, and organic aerosol

    Nga Lee Ng;Steven S. Brown;Steven S. Brown;Alexander T. Archibald;Elliot Atlas

  • Review of Urban Secondary Organic Aerosol Formation from Gasoline and Diesel Motor Vehicle Emissions

    Drew R. Gentner;Shantanu H. Jathar;Timothy D. Gordon;Timothy D. Gordon;Roya Bahreini

  • High concentrations of biological aerosol particles and ice nuclei during and after rain

    J. A. Huffman;J. A. Huffman;A. J. Prenni;P. J. DeMott;C. Pohlker

  • Evolution of brown carbon in wildfire plumes

    Haviland Forrister;Jiumeng Liu;Jiumeng Liu;Eric Scheuer;Jack Dibb

  • Highly functionalized organic nitrates in the southeast United States: Contribution to secondary organic aerosol and reactive nitrogen budgets

    Ben H. Lee;Claudia Mohr;Felipe D. Lopez-Hilfiker;Anna Lutz

  • Organic aerosol components derived from 25 AMS data sets across Europe using a consistent ME-2 based source apportionment approach

    M. Crippa;F. Canonaco;V.A. Lanz;M. Äijälä

  • Evidence for NO(x) control over nighttime SOA formation.

    A. W. Rollins;E. C. Browne;K.-E. Min;S. E. Pusede

  • Monoterpenes are the largest source of summertime organic aerosol in the southeastern United States

    Haofei Zhang;Haofei Zhang;Lindsay D. Yee;Ben H. Lee;Michael P. Curtis

  • Aqueous-phase mechanism for secondary organic aerosol formation from isoprene: application to the southeast United States and co-benefit of SO2 emission controls

    Eloise A Marais;Daniel J Jacob;Jose L Jimenez;Jose L Jimenez;Pedro Campuzano-Jost;Pedro Campuzano-Jost

  • A thermal dissociation laser‐induced fluorescence instrument for in situ detection of NO2, peroxy nitrates, alkyl nitrates, and HNO3

    D. A. Day;P. J. Wooldridge;M. B. Dillon;J. A. Thornton

  • Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere.

    Patrick R. Veres;J. Andrew Neuman;J. Andrew Neuman;Timothy H. Bertram;Emmanuel Assaf;Emmanuel Assaf

  • 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

  • Airborne measurements of western U.S. wildfire emissions: Comparison with prescribed burning and air quality implications

    Xiaoxi Liu;Xiaoxi Liu;Xiaoxi Liu;L. Gregory Huey;Robert J. Yokelson;Vanessa Selimovic

  • Secondary organic aerosol formation and primary organic aerosol oxidation from biomass-burning smoke in a flow reactor during FLAME-3

    A. M. Ortega;D. A. Day;M. J. Cubison;W. H. Brune

  • Formation of Low Volatility Organic Compounds and Secondary Organic Aerosol from Isoprene Hydroxyhydroperoxide Low-NO Oxidation.

    Jordan E. Krechmer;Jordan E. Krechmer;Matthew M. Coggon;Paola Massoli;Tran B. Nguyen

  • Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements

    W. W. Hu;P. Campuzano-Jost;B. B. Palm;D. A. Day

  • Organic nitrate chemistry and its implications for nitrogen budgets in an isoprene- and monoterpene-rich atmosphere: constraints from aircraft (SEAC 4 RS) and ground-based (SOAS) observations in the Southeast US

    Jenny A. Fisher;Daniel J. Jacob;Katherine R. Travis;Patrick S. Kim

  • Observations of gas- and aerosol-phase organic nitrates at BEACHON-RoMBAS 2011

    J. L. Fry;D. C. Draper;K. J. Zarzana;K. J. Zarzana;P. Campuzano-Jost;P. Campuzano-Jost

  • The Deep Convective Clouds and Chemistry (DC3) Field Campaign

    Mary C. Barth;Christopher A. Cantrell;William H. Brune;Steven A. Rutledge

  • ATom: Merged Atmospheric Chemistry, Trace Gases, and Aerosols

    S.C. Wofsy;S. Afshar;H.M. Allen;E.C. Apel

Frequent Co-Authors

Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Pedro Campuzano-Jost
Pedro Campuzano-Jost University of Colorado Boulder
Weiwei Hu
Weiwei Hu Chinese Academy of Sciences
Allen H. Goldstein
Allen H. Goldstein University of California, Berkeley
Harald Stark
Harald Stark University of Colorado Boulder
Joel A. Thornton
Joel A. Thornton University of Washington
Ronald C. Cohen
Ronald C. Cohen University of California, Berkeley
William H. Brune
William H. Brune Pennsylvania State University
Steven S. Brown
Steven S. Brown National Oceanic and Atmospheric Administration
Jordan E. Krechmer
Jordan E. Krechmer Cooperative Institute for Research in Environmental Sciences

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