World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
35
Citations
5873
World Ranking
9270
National Ranking
3326

William R. Pierson 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 William R. Pierson 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: 79 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

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

William R. Pierson 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 William R. Pierson 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: 35 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

William R. Pierson was affiliated with the Desert Research Institute in the United States. Their academic career did not document any recent papers, co-authors, or frequent publication venues in the available data.

There is no recorded information on specific fields of study, subfields, or main topics related to the scientist's research work. Likewise, no book publications or awards received were listed in the source data.

No detailed references to research areas or thematic focuses could be extracted from the available information. The absence of published papers or publications means there is no insight into the evolution or impact of their scientific contributions over time.

Given that William R. Pierson is deceased, the profile reflects past accomplishments or available records without speculation on ongoing or future endeavors.

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

  • Real-world automotive emissions—Summary of studies in the Fort McHenry and Tuscarora mountain tunnels

    William R. Pierson;Alan W Gertler;Norman F. Robinson;John C. Sagebiel

  • Particulate Matter Associated with Vehicles on the Road

    William R. Pierson;Wanda W. Brachaczek

  • Comparison of the SCAQS Tunnel Study with Other On Road Vehicle Emission Data

    William R. Pierson;Alan W. Gertler;Ronald L. Bradow

  • Volatile organic compounds up to C20 emitted from motor vehicles; measurement methods

    Barbara Zielinska;John C. Sagebiel;Gregory Harshfield;Alan W. Gertler

  • The contribution of elemental carbon to the optical properties of rural atmospheric aerosols

    S.M. Japar;W.W. Brachaczek;R.A. Gorse;J.M. Norbeck

  • Real-world emissions and calculated reactivities of organic species from motor vehicles

    John C. Sagebiel;Barbara Zielinska;William R. Pierson;Alan W. Gertler

  • The nitric acid shootout: field comparison of measurement methods

    S.V. Hering;D.R. Lawson;I. Allegrini;A. Febo

  • Time resolved characterization of diesel particulate emissions. 1. Instruments for particle mass measurements.

    Moosmüller H;Arnott Wp;Rogers Cf;Bowen Jl

  • AIRBORNE PARTICULATE DEBRIS FROM RUBBER TIRES

    W. R. Pierson;Wanda W. Brachaczek

  • AMBIENT SULFATE MEASUREMENTS ON ALLEGHENY MOUNTAIN AND THE QUESTION OF ATMOSPHERIC SULFATE IN THE NORTHEASTERN UNITED STATES

    William R. Pierson;Wanda W. Brachaczek;Timothy J. Truex;James W. Butler

  • Emissions of ammonia and amines from vehicles on the road

    William R. Pierson;Wanda W. Brachaczek

  • An assessment of the mobile source contribution to PM10 and PM2.5 in the United States

    A. W. Gertler;J. A. Gillies;W. R. Pierson

  • Exhaust Particle Size Distribution Measurements at the Tuscarora Mountain Tunnel

    M. Abu-Allaban;W. Coulomb;A. W. Gertler;J. Gillies

  • TIME-RESOLVED CHARACTERIZATION OF DIESEL PARTICULATE EMISSIONS. 2: INSTRUMENTS FOR ELEMENTAL AND ORGANIC CARBON MEASUREMENTS

    Moosmüller H;Arnott Wp;Rogers Cf;Bowen Jl

  • Hydrocarbon gases emitted from vehicles on the road. 2. Determination of emission rates from diesel and spark-ignition vehicles.

    C. V. Hampton;W. R. Pierson;D. Schuetzle;T. M. Harvey

  • Sulfate in diesel exhaust

    Timothy J. Truex;William R. Pierson;Douglas E. McKee

  • On the acidity of dew

    William R. Pierson;Wanda W. Brachaczek;Robert A. Gorse;Steven M. Japar

  • Apportionment of NMHC tailpipe vs non-tailpipe emissions in the Fort McHenry and Tuscarora mountain tunnels

    Alan W. Gertler;Eric M. Fujita;William R. Pierson;David N. Wittorff

  • Hydrocarbon gases emitted from vehicles on the road. 1. A qualitative gas chromatography/mass spectrometry survey.

    Christine V. Hampton;William R. Pierson;T. Michael. Harvey;William S. Updegrove

  • Real-world automotive emissions: Summary of studies in the Fort McHenry and Tuscarora Mountain tunnels. Final report

    W.R. Pierson;A.W. Gertler;N.F. Robinson;J.C. Sagebiel

Frequent Co-Authors

John A. Gillies
John A. Gillies Desert Research Institute
Gerald J. Keeler
Gerald J. Keeler University of Michigan–Ann Arbor
Donald H. Stedman
Donald H. Stedman University of Denver
John G. Watson
John G. Watson Desert Research Institute
Glen R. Cass
Glen R. Cass California Institute of Technology
Thomas A. Cahill
Thomas A. Cahill University of California, Davis
Barbara Zielinska
Barbara Zielinska Desert Research Institute
Gary A. Bishop
Gary A. Bishop University of Denver
Hans Moosmüller
Hans Moosmüller Desert Research Institute
Thomas D. Durbin
Thomas D. Durbin University of California, Riverside

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Related Online Degrees & Career Pathways

For those interested in expanding their expertise alongside Environmental Sciences, there are several related online degrees that can enhance career opportunities. For example, pursuing one of the 1 year MPA programs can prepare students for leadership roles in public administration and environmental policy, bridging science with effective governance.

Similarly, online programs like the online bachelors degree programs in sociology offer valuable insights into the social dynamics of environmental issues, helping learners understand human behavior and societal impacts on sustainability.

For professionals focused on education, advancing through online EdD programs without dissertation requirement can provide flexible paths to doctoral degrees, allowing educators to integrate environmental topics into curricula without extensive research commitments.

Additionally, the best online EdS to EdD programs offer a streamlined progression for those seeking advanced specialization, equipping graduates with leadership and policy skills crucial for driving environmental education initiatives.

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