World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
80
Citations
17698
World Ranking
987
National Ranking
426

Alan Fried 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 Alan Fried 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: 353 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Alan Fried 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 Alan Fried 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: 80 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Overview

Alan Fried is affiliated with the University of Colorado Boulder in the United States. Their research primarily spans the fields of Earth and Planetary Sciences and Environmental Science, with a significant focus on Atmospheric Science and Global and Planetary Change.

Their work covers various subfields, including Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, and Automotive Engineering. Key research topics focus on atmospheric chemistry and aerosols, atmospheric ozone and climate, air quality and health impacts, and atmospheric and environmental gas dynamics. Additional interests include air quality monitoring and forecasting, atmospheric aerosols and clouds, and fire effects on ecosystems.

Frequent publication venues for Alan Fried include:

  • Atmospheric chemistry and physics
  • Elementa Science of the Anthropocene
  • Journal of Geophysical Research Atmospheres
  • Atmospheric Environment
  • Environmental Science & Technology

Notable recent papers authored by Alan Fried are:

  • "The Korea-United States Air Quality (KORUS-AQ) field study," 2021, Elementa Science of the Anthropocene
  • "Ozone chemistry in western U.S. wildfire plumes," 2021, Science Advances
  • "Revisiting the effectiveness of HCHO/NO2 ratios for inferring ozone sensitivity to its precursors using high resolution airborne remote sensing observations in a high ozone episode during the KORUS-AQ campaign," 2020, Atmospheric Environment
  • "Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality," 2021, Atmospheric chemistry and physics
  • "Characterization, sources and reactivity of volatile organic compounds (VOCs) in Seoul and surrounding regions during KORUS-AQ," 2020, Elementa Science of the Anthropocene

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

  • D. R. Blake
  • Glenn S. Diskin
  • J. H. Crawford
  • J. Walega
  • Armin Wisthaler

Best Publications

  • Mid-Infrared Laser Applications in Spectroscopy

    Frank K. Tittel;Dirk Richter;Alan Fried

  • Emissions from biomass burning in the Yucatan

    R. J. Yokelson;J. D. Crounse;P. F. DeCarlo;P. F. DeCarlo;T. Karl

  • Effect of petrochemical industrial emissions of reactive alkenes and NOx on tropospheric ozone formation in Houston, Texas

    T. B. Ryerson;M. Trainer;W. M. Angevine;W. M. Angevine;C. A. Brock;C. A. Brock

  • Airborne measurement of OH reactivity during INTEX-B

    J. Mao;J. Mao;X. Ren;X. Ren;W. H. Brune;J. R. Olson

  • Organic aerosol formation in urban and industrial plumes near Houston and Dallas, Texas

    R. Bahreini;R. Bahreini;B. Ervens;B. Ervens;A. M. Middlebrook;C. Warneke;C. Warneke

  • Surface and Lightning Sources of Nitrogen Oxides over the United States: Magnitudes, Chemical Evolution, and Outflow

    R C Hudman;D J Jacob;S Turquety;Eric M Leibensperger

  • Analysis of the atmospheric distribution, sources, and sinks of oxygenated volatile organic chemicals based on measurements over the Pacific during TRACE‐P

    H. B. Singh;L. J. Salas;R. B. Chatfield;E. Czech

  • Ozone production rates as a function of NOx abundances and HOx production rates in the Nashville urban plume

    J. A. Thornton;P. J. Wooldridge;R. C. Cohen;R. C. Cohen;M. Martinez

  • Boreal forest fire emissions in fresh Canadian smoke plumes: C 1 -C 10 volatile organic compounds (VOCs), CO 2 , CO, NO 2 , NO, HCN and CH 3 CN

    Isobel J. Simpson;S. K. Akagi;B. Barletta;N. J. Blake

  • A ground‐based intercomparison of NO, NO x , and NO y measurement techniques

    F. C. Fehsenfeld;R. R. Dickerson;G. Hübler;W. T. Luke

  • Chemistry of hydrogen oxide radicals (HO x ) in the Arctic troposphere in spring

    Jialin Mao;Daniel J. Jacob;M. J. Evans;J. R. Olson

  • The Korea–United States Air Quality (KORUS-AQ) field study

    James H. Crawford;Joon-Young Ahn;Jassim Al-Saadi;Limseok Chang

  • Formaldehyde Distribution over North America: Implications for Satellite Retrievals of Formaldehyde Columns and Isoprene Emission

    Dylan B. Millet;Daniel J. Jacob;Solène Turquety;Rynda C. Hudman

  • Testing fast photochemical theory during TRACE‐P based on measurements of OH, HO2, and CH2O

    Jennifer R. Olson;J. H. Crawford;G. Chen;A. Fried

  • OH and HO2 concentrations, sources, and loss rates during the Southern Oxidants Study in Nashville, Tennessee, summer 1999

    Monica Martinez;H. Harder;T. A. Kovacs;James B. Simpas

  • The Deep Convective Clouds and Chemistry (DC3) Field Campaign

    Mary C. Barth;Christopher A. Cantrell;William H. Brune;Steven A. Rutledge

  • Primary and secondary sources of formaldehyde in urban atmospheres: Houston Texas region

    D. D. Parrish;T. B. Ryerson;Johan Mellqvist;John Johansson

  • Development of a tunable mid-IR difference frequency laser source for highly sensitive airborne trace gas detection.

    Richter D;Fried A;Wert Bp;Walega Jg

  • HOx chemistry during INTEX-A 2004: Observation, model calculation, and comparison with previous studies

    Xinrong Ren;Jennifer R. Olson;James H. Crawford;William H. Brune

  • Signatures of terminal alkene oxidation in airborne formaldehyde measurements during TexAQS 2000

    B. P. Wert;B. P. Wert;M. Trainer;A. Fried;T. B. Ryerson

  • Evaluating regional emission estimates using the TRACE-P observations

    G. R. Carmichael;Y. Tang;G. Kurata;Itsushi Uno

  • Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment

    G. R. Carmichael;Y. Tang;G. Kurata;I. Uno

  • Regional-scale chemical transport modeling in support of the analysis of observations obtained during the TRACE-P experiment : NASA global tropospheric experiment transport and chemical evolution over the pacific (TRACE-P): Measurements and analysis (TRACEP1)

    G. R. Carmichael;Y. Tang;G. Kurata;I. Uno

Frequent Co-Authors

James Walega
James Walega Institute of Arctic and Alpine Research
Donald R. Blake
Donald R. Blake University of California, Irvine
Andrew J. Weinheimer
Andrew J. Weinheimer National Center for Atmospheric Research
Armin Wisthaler
Armin Wisthaler University of Oslo
William H. Brune
William H. Brune Pennsylvania State University
Christopher A. Cantrell
Christopher A. Cantrell University of Colorado Boulder
Brian G. Heikes
Brian G. Heikes University of Rhode Island
Frank Flocke
Frank Flocke National Center for Atmospheric Research
James H. Crawford
James H. Crawford Langley Research Center
Glenn S. Diskin
Glenn S. Diskin Langley Research Center

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