World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
59
Citations
13079
World Ranking
3090
National Ranking
1199

David R. Cocker 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 R. Cocker 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: 195 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

David R. Cocker 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 R. Cocker 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: 59 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

David R. Cocker is affiliated with the University of California, Riverside in the United States. Their research primarily focuses on environmental science and earth and planetary sciences, contributing extensively to these fields with a significant emphasis on health, toxicology, and atmospheric sciences.

The main topics of their work include:

  • Air Quality and Health Impacts
  • Atmospheric chemistry and aerosols
  • Vehicle emissions and performance
  • Air Quality Monitoring and Forecasting
  • Maritime Transport Emissions and Efficiency
  • Atmospheric Ozone and Climate
  • Climate Change and Health Impacts

David R. Cocker has published multiple papers in various scientific venues. Frequent publication venues include:

  • The Science of The Total Environment
  • Atmospheric Environment
  • Environmental Science & Technology
  • Environmental Pollution
  • ACS Earth and Space Chemistry

Recent papers authored or co-authored by David R. Cocker cover a range of topics related to emissions, air quality, and atmospheric chemistry. Selected recent publications are:

  • Controlling emissions from an ocean-going container vessel with a wet scrubber system, 2021, Fuel
  • Comprehensive analysis of the air quality impacts of switching a marine vessel from diesel fuel to natural gas, 2020, Environmental Pollution
  • Development and Evaluation of a Detailed Mechanism for Gas-Phase Atmospheric Reactions of Furans, 2020, ACS Earth and Space Chemistry
  • Effects of driving conditions on secondary aerosol formation from a GDI vehicle using an oxidation flow reactor, 2021, Environmental Pollution
  • Secondary organic aerosol formation from the oxidation of decamethylcyclopentasiloxane at atmospherically relevant OH concentrations, 2022, Atmospheric Chemistry and Physics

Collaboration is a notable aspect of their research. Frequent co-authors include:

  • Georgios Karavalakis
  • Thomas D. Durbin
  • Ryan Drover
  • Keziyah Yisrael
  • David Lo

Overall, David R. Cocker's work aligns closely with environmental and atmospheric sciences, investigating issues such as air quality, vehicle and maritime emissions, and the formation of aerosols. Their research intersects with fields such as automotive engineering, environmental engineering, and process chemistry and technology.

Best Publications

  • Organic aerosol formation from the oxidation of biogenic hydrocarbons

    Robert J. Griffin;David R. Cocker;Richard C. Flagan;John H. Seinfeld

  • Gas-phase ozone oxidation of monoterpenes: Gaseous and particulate products

    Jianzhen Yu;David R. Cocker;Robert J. Griffin;Richard C. Flagan

  • Estimate of global atmospheric organic aerosol from oxidation of biogenic hydrocarbons

    Robert J. Griffin;David R. Cocker;John H. Seinfeld;Donald Dabdub

  • Emission Rates of Particulate Matter and Elemental and Organic Carbon from In-Use Diesel Engines

    Sandip D. Shah;David R. Cocker;J. Wayne Miller;Joseph M. Norbeck

  • Coupling field and laboratory measurements to estimate the emission factors of identified and unidentified trace gases for prescribed fires

    Robert J. Yokelson;I. R. Burling;J. Gilman;J. Gilman;C. Warneke;C. Warneke

  • State-of-the-art chamber facility for studying atmospheric aerosol chemistry.

    David R. Cocker;Richard C. Flagan;John H. Seinfeld

  • Primary and secondary carbonaceous species in the atmosphere of Western Riverside County, California

    Kwangsam Na;Aniket A. Sawant;Chen Song;David R. Cocker

  • In-use gaseous and particulate matter emissions from a modern ocean going container vessel

    Harshit Agrawal;Quentin G.J. Malloy;William A. Welch;J. Wayne Miller

  • New particle formation from photooxidation of diiodomethane (CH2I2)

    Jose L. Jimenez;Jose L. Jimenez;Roya Bahreini;David R. Cocker;David R. Cocker;Hong Zhuang

  • A new environmental chamber for evaluation of gas-phase chemical mechanisms and secondary aerosol formation

    William P.L. Carter;David R. Cocker;Dennis R. Fitz;Irina L. Malkina

  • The effect of water on gas–particle partitioning of secondary organic aerosol. Part I: α-pinene/ozone system

    David R. Cocker;Simon L. Clegg;Richard C. Flagan;John H. Seinfeld

  • Performance evaluation of twelve low-cost PM2.5 sensors at an ambient air monitoring site

    Brandon Feenstra;Brandon Feenstra;Vasileios Papapostolou;Sina Hasheminassab;Hang Zhang

  • Emission Measurements from a Crude Oil Tanker at Sea

    Harshit Agrawal;William A. Welch;J. Wayne Miller;David R. Cocker

  • Impact of the Hydrocarbon to NOx Ratio on Secondary Organic Aerosol Formation

    Chen Song;Kwangsam Na;David R. Cocker

  • The effect of water on gas-particle partitioning of secondary organic aerosol: II. m-xylene and 1,3,5-trimethylbenzene photooxidation systems

    David R Cocker;Brian T Mader;Markus Kalberer;Richard C Flagan

  • Comprehensive simultaneous shipboard and airborne characterization of exhaust from a modern container ship at sea.

    Shane M. Murphy;Harshit Agrawal;Armin Sorooshian;Luz T. Padró

  • Observation of gaseous and particulate products of monoterpene oxidation in forest atmospheres

    Jianzhen Yu;Robert J. Griffin;David R. Cocker;Richard C. Flagan

  • Aerosol Formation in the Cyclohexene-Ozone System

    M. Kalberer;J. Yu;D. R. Cocker;R. C. Flagan

  • Development and application of a mobile laboratory for measuring emissions from diesel engines. 1. Regulated gaseous emissions.

    David R. Cocker;Sandip D. Shah;Kent Johnson;J. Wayne Miller

  • Real-Time Aerosol Density Determination Utilizing a Modified Scanning Mobility Particle Sizer—Aerosol Particle Mass Analyzer System

    Quentin G. J. Malloy;Shunsuke Nakao;Li Qi;Rebecca Austin

Frequent Co-Authors

Thomas D. Durbin
Thomas D. Durbin University of California, Riverside
John H. Seinfeld
John H. Seinfeld California Institute of Technology
Richard C. Flagan
Richard C. Flagan California Institute of Technology
William P. L. Carter
William P. L. Carter University of California, Riverside
David Lo
David Lo University of California, Riverside
Roya Bahreini
Roya Bahreini University of California, Riverside
Jian Zhen Yu
Jian Zhen Yu Hong Kong University of Science and Technology
Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Colin D. O'Dowd
Colin D. O'Dowd University of Galway
David B. Kittelson
David B. Kittelson University of Minnesota

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Environmental Sciences in the USA opens up multiple educational routes, each with unique benefits for your career. For students seeking flexibility and affordability, an online general studies bachelor degree cheap option provides a budget-friendly way to start higher education while maintaining a broad academic base.

If you’re looking for a degree that balances workload and timely completion, considering the easiest bachelor's degree to get might be a practical choice. Such degrees offer a smoother path to graduation, which can be ideal for those new to college or juggling other commitments.

For those more focused on the scientific side of the environment, pursuing geology degrees online provides specialized knowledge about Earth systems. These programs often include the latest tools and field knowledge critical to careers in environmental consulting, resource management, or research.

Another promising route is earned through best gis undergraduate programs. GIS skills are increasingly vital for environmental analysis, planning, and policy-making, offering strong career prospects in both public and private sectors.

Best Scientists Citing David R. Cocker

Trending Scientists

Recently Published Articles