World's Best Scientists 2026 revealed!
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Environmental Sciences
USA
2026

D-Index & Metrics

Environmental Sciences

D-Index
117
Citations
47540
World Ranking
141
National Ranking
65

John G. Watson 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 John G. Watson 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: 499 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

John G. Watson 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 John G. Watson 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: 117 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in United States Leader Award
  • 2025 - Research.com Environmental Sciences in United States Leader Award
  • 2023 - Research.com Environmental Sciences in United States Leader Award

Overview

John G. Watson is affiliated with the Desert Research Institute in the United States. Their research spans multiple domains within environmental science, earth and planetary sciences, and engineering, with a significant focus on atmospheric phenomena and air quality.

The scientist's main fields of study include:

  • Environmental Science
  • Earth and Planetary Sciences
  • Engineering

Subfields of their research extend into several specialized areas such as Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, Automotive Engineering, and Global and Planetary Change.

The main topics addressed in their work are diverse and concentrate primarily on the interactions between atmospheric chemistry and public health, including:

  • Air Quality and Health Impacts
  • Atmospheric chemistry and aerosols
  • Air Quality Monitoring and Forecasting
  • Atmospheric Ozone and Climate
  • Vehicle emissions and performance
  • Rock Mechanics and Modeling
  • Atmospheric aerosols and clouds

John G. Watson has published extensively in well-known scientific venues with frequent publications in:

  • SSRN Electronic Journal
  • Aerosol and Air Quality Research
  • ACS Earth and Space Chemistry
  • Environmental Pollution
  • The Science of The Total Environment

The scientist's recent papers reflect their focus on air quality, aerosols, and the health effects of particulate matter. Selected recent publications include:

  • "Brownness of Organic Aerosol over the United States: Evidence for Seasonal Biomass Burning and Photobleaching Effects," 2021, Environmental Science & Technology
  • "Cytotoxicity of PM2.5 vehicular emissions in the Shing Mun Tunnel, Hong Kong," 2020, Environmental Pollution
  • "Wildfire and prescribed burning impacts on air quality in the United States," 2020, Journal of the Air & Waste Management Association
  • "Evaluation of gas and particle sensors for detecting spacecraft-relevant fire emissions," 2020, Fire Safety Journal
  • "Particle-bound PAHs and Chemical Composition, Sources and Health Risk of PM2.5 in a Highly Industrialized Area," 2021, Aerosol and Air Quality Research

Frequent collaborators with whom John G. Watson has co-authored include:

  • Judith C. Chow
  • Xiaoliang Wang
  • L.-W. Antony Chen
  • Junji Cao

Best Publications

  • The dri thermal/optical reflectance carbon analysis system: description, evaluation and applications in U.S. Air quality studies

    Judith C. Chow;John G. Watson;Lyle C. Pritchett;William R. Pierson

  • Visibility: Science and Regulation

    John G. Watson

  • Comparison of IMPROVE and NIOSH Carbon Measurements

    Judith C. Chow;John G. Watson;Dale Crow;Douglas H. Lowenthal

  • Spatial and seasonal distributions of carbonaceous aerosols over China

    J. J. Cao;J. J. Cao;J. J. Cao;Shun-cheng Lee;J. C. Chow;J. G. Watson

  • The IMPROVE_A Temperature Protocol for Thermal/Optical Carbon Analysis: Maintaining Consistency with a Long-Term Database

    Judith C Chow;John G Watson;L W Antony Chen;M C Oliver Chang

  • Descriptive analysis of PM2.5 and PM10 at regionally representative locations during SJVAQS/AUSPEX

    Judith C. Chow;John G. Watson;Zhiqiang Lu;Douglas H. Lowenthal

  • Characteristics of carbonaceous aerosol in Pearl River Delta Region, China during 2001 winter period

    J.J Cao;J.J Cao;S.C Lee;K.F Ho;X.Y Zhang

  • Equivalence of elemental carbon by thermal/optical reflectance and transmittance with different temperature protocols.

    Judith C Chow;John G Watson;L W Antony Chen;W Patrick Arnott

  • Fine Particle and Gaseous Emission Rates from Residential Wood Combustion

    Jacob D. McDonald;Barbara Zielinska;Eric M. Fujita;John C. Sagebiel

  • PM2.5 chemical source profiles for vehicle exhaust, vegetative burning, geological material, and coal burning in Northwestern Colorado during 1995.

    John G Watson;Judith C Chow;James E Houck

  • Characterization and source apportionment of atmospheric organic and elemental carbon during fall and winter of 2003 in Xi'an, China

    J. J. Cao;F. Wu;J. C. Chow;Shun-cheng Lee

  • Review of volatile organic compound source apportionment by chemical mass balance

    John G. Watson;Judith C. Chow;Eric M. Fujita

  • Source profiles for industrial, mobile, and area sources in the Big Bend Regional Aerosol Visibility and Observational study.

    Judith C. Chow;John G. Watson;Hampden Kuhns;Vicken Etyemezian

  • Temporal and spatial variations of PM2.5 and PM10 aerosol in the Southern California air quality study

    Judith C. Chow;John G. Watson;Eric M. Fujita;Zhiqiang Lu

  • Spatial and seasonal variations of atmospheric organic carbon and elemental carbon in Pearl River Delta Region, China

    J.J Cao;J.J Cao;S.C Lee;K.F Ho;S.C Zou

  • The effective variance weighting for least squares calculations applied to the mass balance receptor model

    John G. Watson;John A. Cooper;James J. Huntzicker

  • A hybrid ARIMA and artificial neural networks model to forecast particulate matter in urban areas: The case of Temuco, Chile

    Luis A. Díaz-Robles;Juan C. Ortega;Joshua S. Fu;Gregory D. Reed

  • Winter and Summer PM2.5 Chemical Compositions in Fourteen Chinese Cities

    Jun Ji Cao;Zhen Xing Shen;Judith C. Chow;John G. Watson

  • Wildfire and prescribed burning impacts on air quality in the United States.

    Daniel A. Jaffe;Susan M. O’Neill;Narasimhan K. Larkin;Amara L. Holder

  • Summary of Organic and Elemental Carbon/Black Carbon Analysis Methods and Intercomparisons

    John G. Watson;Judith C. Chow;L.-W. Antony Chen

  • Receptor modeling application framework for particle source apportionment.

    John G Watson;Tan Zhu;Judith C Chow;Johann Engelbrecht

Frequent Co-Authors

Judith C. Chow
Judith C. Chow Desert Research Institute
Junji Cao
Junji Cao Chinese Academy of Sciences
Xiaoliang Wang
Xiaoliang Wang Desert Research Institute
L.-W. Antony Chen
L.-W. Antony Chen University of Nevada, Las Vegas
Douglas H. Lowenthal
Douglas H. Lowenthal Desert Research Institute
Kin-Fai Ho
Kin-Fai Ho Chinese University of Hong Kong
Shuncheng Lee
Shuncheng Lee Hong Kong University of Science and Technology (Guangzhou)
Steven Sai Hang Ho
Steven Sai Hang Ho Desert Research Institute
Hans Moosmüller
Hans Moosmüller Desert Research Institute
Yongming Han
Yongming Han Chinese Academy of Sciences

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Related Online Degrees & Career Pathways

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