World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
38
Citations
8017
World Ranking
8531
National Ranking
3048

J. R. Spackman 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 J. R. Spackman 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: 71 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

J. R. Spackman 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 J. R. Spackman 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: 38 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Overview

J. R. Spackman is affiliated with the National Oceanic and Atmospheric Administration in the United States. Their research primarily centers on Earth and Planetary Sciences, with a significant focus on Environmental Science. The work spans several subfields, including Atmospheric Science, Global and Planetary Change, and Health, Toxicology and Mutagenesis.

The scientist's main research topics cover a diverse range of areas related to atmospheric and climate studies. These include:

  • Atmospheric chemistry and aerosols
  • Meteorological Phenomena and Simulations
  • Climate variability and models
  • Tropical and Extratropical Cyclones Research
  • Atmospheric aerosols and clouds
  • Air Quality and Health Impacts
  • Atmospheric Ozone and Climate

Spackman has authored multiple research papers, contributing to various academic journals. Notable recent publications are:

  • "Global-scale constraints on light-absorbing anthropogenic iron oxide aerosols" (2021), published in npj Climate and Atmospheric Science
  • "Terrain Trapped Airflows and Precipitation Variability during an Atmospheric River Event" (2020), published in Journal of Hydrometeorology
  • "Examining the Linkages Between GPM Satellite-Derived Precipitation Features Associated With Atmospheric Rivers and Rossby Wave Breaking" (2025), published in Geophysical Research Letters
  • "Observational ozone datasets over the global oceans and polar regions (version 2024)" (2025), published in Earth system science data

Frequent collaborators in their work include:

  • Ju-Mee Ryoo
  • Kara D. Lamb
  • Hitoshi Matsui
  • Joseph M. Katich
  • A. E. Perring

The scientist's contributions have appeared in specialized publication venues such as:

  • npj Climate and Atmospheric Science
  • Journal of Hydrometeorology
  • Geophysical Research Letters
  • Earth system science data

Best Publications

  • Evaluation of black carbon estimations in global aerosol models

    D. Koch;D. Koch;M. Schulz;S. Kinne;C. McNaughton

  • Measurement of the mixing state, mass, and optical size of individual black carbon particles in urban and biomass burning emissions

    J. P. Schwarz;J. P. Schwarz;R. S. Gao;J. R. Spackman;J. R. Spackman;L. A. Watts;L. A. Watts

  • Coatings and their enhancement of black carbon light absorption in the tropical atmosphere

    J. P. Schwarz;J. P. Schwarz;J. R. Spackman;J. R. Spackman;D. W. Fahey;D. W. Fahey;R. S. Gao

  • A Novel Method for Estimating Light-Scattering Properties of Soot Aerosols Using a Modified Single-Particle Soot Photometer

    R. S. Gao;J. P. Schwarz;K. K. Kelly;D. W. Fahey

  • Exploiting simultaneous observational constraints on mass and absorption to estimate the global direct radiative forcing of black carbon and brown carbon

    X Wang;C L Heald;D A Ridley;J P Schwarz;J P Schwarz

  • Biomass burning in Siberia and Kazakhstan as an important source for haze over the Alaskan Arctic in April 2008

    C. Warneke;C. Warneke;R. Bahreini;R. Bahreini;J. Brioude;J. Brioude;C. A. Brock

  • Global budget and radiative forcing of black carbon aerosol: Constraints from pole-to-pole (HIPPO) observations across the Pacific

    Qiaoqiao Wang;Daniel James Jacob;J. Ryan Spackman;Anne E. Perring;Anne E. Perring

  • Soot Particle Studies—Instrument Inter-Comparison—Project Overview

    Eben S. Cross;Timothy B. Onasch;Adam Ahern;William Wrobel

  • Characteristics, sources, and transport of aerosols measured in spring 2008 during the aerosol, radiation, and cloud processes affecting Arctic Climate (ARCPAC) Project

    C. A. Brock;J. Cozic;J. Cozic;R. Bahreini;R. Bahreini;K. D. Froyd;K. D. Froyd

  • Gasoline emissions dominate over diesel in formation of secondary organic aerosol mass

    R. Bahreini;R. Bahreini;A. M. Middlebrook;J. A. de Gouw;J. A. de Gouw;C. Warneke;C. Warneke

  • Global-scale black carbon profiles observed in the remote atmosphere and compared to models

    J. P. Schwarz;J. P. Schwarz;J. R. Spackman;J. R. Spackman;R. S. Gao;L. A. Watts;L. A. Watts

  • An important contribution to springtime Arctic aerosol from biomass burning in Russia

    C. Warneke;C. Warneke;K. D. Froyd;K. D. Froyd;J. Brioude;J. Brioude;R. Bahreini;R. Bahreini

  • Organic aerosol formation downwind from the Deepwater Horizon oil spill.

    J. A. de Gouw;J. A. de Gouw;A. M. Middlebrook;C. Warneke;C. Warneke;R. Ahmadov;R. Ahmadov

  • Description and evaluation of tropospheric chemistry and aerosols in the Community Earth System Model (CESM1.2)

    S. Tilmes;J.-F. Lamarque;Lk K. Emmons;De E. Kinnison

  • The Detection Efficiency of the Single Particle Soot Photometer

    J. P. Schwarz;J. R. Spackman;R. S. Gao;A. E. Perring

  • Dropsonde Observations of Total Integrated Water Vapor Transport within North Pacific Atmospheric Rivers

    F. M. Ralph;S. F. Iacobellis;P. J. Neiman;J. M. Cordeira

  • Black carbon aerosol size in snow

    J. P. Schwarz;J. P. Schwarz;R. S. Gao;A. E. Perring;A. E. Perring;J. R. Spackman

  • Atmospheric observations of Arctic Ocean methane emissions up to 82° north

    E. A. Kort;E. A. Kort;Steven C. Wofsy;B. C. Daube;Minghui Diao

  • Observations of deep convective influence on stratospheric water vapor and its isotopic composition

    Thomas F. Hanisco;E. J. Moyer;E. M. Weinstock;J. M. St. Clair

  • Atmospheric Rivers Emerge as a Global Science and Applications Focus

    F. M. Ralph;M. Dettinger;D. Lavers;I. V. Gorodetskaya

  • Global‐scale seasonally resolved black carbon vertical profiles over the Pacific

    J. P. Schwarz;J. P. Schwarz;B. H. Samset;A. E. Perring;A. E. Perring;J. R. Spackman

  • Atmospheric emissions from the Deepwater Horizon spill constrain air‐water partitioning, hydrocarbon fate, and leak rate

    T. B. Ryerson;K. C. Aikin;K. C. Aikin;W. M. Angevine;W. M. Angevine;E. L. Atlas

Frequent Co-Authors

Joshua P. Schwarz
Joshua P. Schwarz National Oceanic and Atmospheric Administration
David W. Fahey
David W. Fahey National Oceanic and Atmospheric Administration
Carsten Warneke
Carsten Warneke National Oceanic and Atmospheric Administration
Daniel A. Lack
Daniel A. Lack Earth System Research Laboratory
Ann M. Middlebrook
Ann M. Middlebrook National Oceanic and Atmospheric Administration
Roya Bahreini
Roya Bahreini University of California, Riverside
Ru-Shan Gao
Ru-Shan Gao National Oceanic and Atmospheric Administration
John S. Holloway
John S. Holloway National Oceanic and Atmospheric Administration
J. A. de Gouw
J. A. de Gouw University of Colorado Boulder
T. B. Ryerson
T. B. Ryerson Earth System Research 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

Studying Environmental Sciences opens the door to diverse career paths that intersect with public policy, social sciences, and education. Many students explore complementary fields that strengthen their expertise and increase job prospects. For example, pursuing one of the best online MPA programs can prepare graduates for leadership roles in environmental policy and public administration.

Understanding community dynamics is also crucial in environmental work. Online programs such as the online bachelors degree programs in sociology provide valuable insights into societal behavior, which can be applied to environmental justice and advocacy efforts.

For those interested in academic and research careers, accelerated options are available. The 1 year PhD programs online no dissertation present flexible paths to advanced credentials, ideal for working professionals seeking to deepen their expertise without lengthy commitments.

Educators aiming to influence environmental education may consider the range of online EdS to EdD programs that offer advanced training, leadership development, and research opportunities tailored to educational innovation and sustainability.

Best Scientists Citing J. R. Spackman

Trending Scientists

Recently Published Articles