World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
102
Citations
30837
World Ranking
343
National Ranking
152

Samuel J. Oltmans 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 Samuel J. Oltmans 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: 409 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Samuel J. Oltmans 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 Samuel J. Oltmans 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: 102 D-Index — 97th percentile

97% 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

  • 2007 - Fellow of American Geophysical Union (AGU)

Overview

Samuel J. Oltmans is affiliated with the National Oceanic and Atmospheric Administration in the United States. Their research spans the fields of Earth and Planetary Sciences and Environmental Science, with a strong emphasis on Atmospheric Science and related subfields.

The primary topics of Samuel J. Oltmans's work include:

  • Atmospheric chemistry and aerosols
  • Atmospheric ozone and climate
  • Atmospheric and environmental gas dynamics
  • Spectroscopy and laser applications
  • Air quality and health impacts
  • Gas sensing nanomaterials and sensors
  • Fire effects on ecosystems

They have contributed to multiple peer-reviewed publications, including these recent papers:

  • Tropospheric Ozone Assessment Report, 2020, published in Elementa Science of the Anthropocene
  • Multi-decadal surface ozone trends at globally distributed remote locations, 2020, published in Elementa Science of the Anthropocene
  • Improving ECC Ozonesonde Data Quality: Assessment of Current Methods and Outstanding Issues, 2021, published in Earth and Space Science
  • A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for "background current" and pump efficiency, 2020, published in Atmospheric Measurement Techniques
  • Estimating wildfire-generated ozone over North America using ozonesonde profiles and a differential back trajectory technique, 2020, published in Atmospheric Environment X

Frequent co-authors in their publications include:

  • D. W. Tarasick
  • B. J. Johnson
  • H. G. J. Smit
  • Anne M. Thompson
  • Gary A. Morris

Their work is often published in established venues such as:

  • Elementa Science of the Anthropocene
  • Earth and Space Science
  • Atmospheric Measurement Techniques
  • Atmospheric Environment X
  • Atmospheric Chemistry and Physics

Recognition for their contributions includes being named a Fellow of the American Geophysical Union (AGU) in 2007.

Best Publications

  • Factors affecting the detection of trends: Statistical considerations and applications to environmental data

    Gregory C. Reinsel;George C. Tiao;Xiao Li Meng

  • The Indian Ocean Experiment: Widespread Air Pollution from South and Southeast Asia

    Jos Lelieveld;Paul J. Crutzen;V. Ramanathan;M. O. Andreae

  • Global Distribution and Trends of Tropospheric Ozone: An Observation-Based Review

    O. R. Cooper;D. D. Parrish;J. Ziemke;M. Cupeiro

  • Arctic smoke – record high air pollution levels in the European Arctic due to agricultural fires in Eastern Europe in spring 2006

    A. Stohl;T. Berg;T. Berg;J. F. Burkhart;J. F. Burkhart;A. M. Fjǽraa

  • Assessment of the performance of ECC‐ozonesondes under quasi‐flight conditions in the environmental simulation chamber: Insights from the Juelich Ozone Sonde Intercomparison Experiment (JOSIE)

    Herman G.J. Smit;Wolfgang Straeter;Bryan J. Johnson;Samuel J. Oltmans

  • Increasing springtime ozone mixing ratios in the free troposphere over western North America

    O. R. Cooper;O. R. Cooper;D. D. Parrish;A. Stohl;M. Trainer

  • Southern Hemisphere Additional Ozonesondes (SHADOZ) 1998–2000 tropical ozone climatology 1. Comparison with Total Ozone Mapping Spectrometer (TOMS) and ground-based measurements

    Anne M. Thompson;Jacquelyn C. Witte;Richard D. McPeters;Samuel J. Oltmans

  • Surface ozone measurements from a global network

    Samuel J. Oltmans;Hiram Levy

  • Long-term changes in tropospheric ozone

    S.J. Oltmans;A.S. Lefohn;J.M. Harris;I. Galbally

  • Stratospheric water vapor increases over the past half‐century

    K. H. Rosenlof;S. J. Oltmans;D. Kley;J. M. Russell

  • Transatlantic transport of pollution and its effects on surface ozone in Europe and North America

    Qinbin Li;Daniel J. Jacob;Isabelle Bey;Isabelle Bey;Paul I. Palmer

  • Surface ozone distributions and variations from 1973–1984: Measurements at the NOAA Geophysical Monitoring for Climatic Change Baseline Observatories

    Samuel J. Oltmans;Walter D. Komhyr

  • Development and Validation of a Time-Lag Correction for Vaisala Radiosonde Humidity Measurements

    Larry M. Miloshevich;Ari Paukkunen;Vaisala Oy;Samuel J. Oltmans

  • Surface ozone measurements in clean air

    Samuel J. Oltmans

  • Interannual changes of stratospheric water vapor and correlations with tropical tropopause temperatures

    William J. Randel;Fei Wu;Samuel J. Oltmans;Karen Rosenlof

  • Increase in lower-stratospheric water vapour at a mid-latitude Northern Hemisphere site from 1981 to 1994

    S. J. Oltmans;D. J. Hofmann

  • Observations of Near-Zero Ozone Concentrations Over the Convective Pacific: Effects on Air Chemistry

    D. Kley;P. J. Crutzen;H. G. J Smit;H. Vomel

  • Tropospheric Ozone Assessment Report: Tropospheric ozone from 1877 to 2016, observed levels, trends and uncertainties

    David Tarasick;Ian E. Galbally;Ian E. Galbally;Owen R. Cooper;Owen R. Cooper;Martin G. Schultz

  • SPARC assessment of upper tropospheric and stratospheric water vapour

    D. Kley;P. Mote;S. Oltmans;E. Remsberg

  • The increase in stratospheric water vapor from balloonborne, frostpoint hygrometer measurements at Washington, D.C., and Boulder, Colorado

    Samuel J. Oltmans;Holger Vömel;David J. Hofmann;Karen H. Rosenlof

  • Springtime high surface ozone events over the western United States: Quantifying the role of stratospheric intrusions

    Meiyun Lin;Meiyun Lin;Arlene M. Fiore;Owen R. Cooper;Owen R. Cooper;Larry W. Horowitz

  • Characterization and correction of relative humidity measurements from Vaisala RS80-A radiosondes at cold temperatures

    Larry M. Miloshevich;Holger Vömel;Ari Paukkunen;Andrew J. Heymsfield

Frequent Co-Authors

Bryan J. Johnson
Bryan J. Johnson National Oceanic and Atmospheric Administration
Anne M. Thompson
Anne M. Thompson Goddard Space Flight Center
Holger Vömel
Holger Vömel National Center for Atmospheric Research
Owen R. Cooper
Owen R. Cooper Cooperative Institute for Research in Environmental Sciences
David W. Tarasick
David W. Tarasick Environment and Climate Change Canada
Joyce M. Harris
Joyce M. Harris Climate Monitoring and Diagnostics Laboratory
Jacquelyn C. Witte
Jacquelyn C. Witte National Center for Atmospheric Research
Detlev Helmig
Detlev Helmig Institute of Arctic and Alpine Research
Dale F. Hurst
Dale F. Hurst Cooperative Institute for Research in Environmental Sciences
Meiyun Lin
Meiyun Lin Geophysical Fluid Dynamics Laboratory

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

For those interested in expanding their expertise beyond Environmental Sciences, several online degree options offer flexible and affordable paths. Educators looking to advance may consider programs that allow a smooth transition from an Education Specialist degree to a doctorate, such as eds to edd program courses. These programs often support professionals aiming for leadership roles without the lengthy traditional dissertation process.

Many candidates seek an edd without dissertation to expedite their degree completion while still gaining critical research and leadership skills. Similarly, social workers interested in advancing their careers can explore dsw online programs, which emphasize practical expertise and often feature flexible schedules suitable for working professionals.

For students who prefer a broader academic approach, pursuing one of the most affordable online general studies degree programs offers a diverse curriculum. This enables learners to tailor their education to interdisciplinary environmental issues, combining scientific knowledge with social, economic, and policy perspectives.

Best Scientists Citing Samuel J. Oltmans

Trending Scientists

Recently Published Articles