World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
47
Citations
7847
World Ranking
5821
National Ranking
2119

James W. Hannigan 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 James W. Hannigan 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: 177 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

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

James W. Hannigan 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 James W. Hannigan 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: 47 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

James W. Hannigan is affiliated with the National Center for Atmospheric Research in the United States. Their research primarily spans Earth and Planetary Sciences as well as Environmental Science, with a focus on Atmospheric Science and Global and Planetary Change. Hannigan's work also extends into the specialized areas of Spectroscopy, Astronomy and Astrophysics, and Molecular Biology.

The main topics of their research include:

  • Atmospheric and Environmental Gas Dynamics
  • Atmospheric Ozone and Climate
  • Atmospheric chemistry and aerosols
  • Spectroscopy and Laser Applications
  • Atmospheric aerosols and clouds
  • COVID-19 impact on air quality
  • Fire effects on ecosystems

Recent publications showcase Hannigan's involvement in studies related to atmospheric measurements, climate interactions, and air quality. Selected papers include:

  • "TROPOMI-Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations," 2020, Atmospheric Measurement Techniques
  • "Ubiquitous atmospheric production of organic acids mediated by cloud droplets," 2021, Nature
  • "Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations," 2021, Atmospheric Measurement Techniques
  • "COVID-19 Crisis Reduces Free Tropospheric Ozone Across the Northern Hemisphere," 2021, Geophysical Research Letters
  • "Spaceborne Measurements of Formic and Acetic Acids: A Global View of the Regional Sources," 2020, Geophysical Research Letters

Their frequent coauthors include:

  • Iván Ortega
  • Kimberly Strong
  • Emmanuel Mahieu
  • Justus Notholt
  • Nicholas Jones

Hannigan has published extensively in several scientific journals, with the most frequent publication venues being:

  • Atmospheric Chemistry and Physics
  • Atmospheric Measurement Techniques
  • Geophysical Research Letters
  • Journal of Geophysical Research Atmospheres
  • Remote Sensing

Best Publications

  • Tropospheric Ozone Assessment Report: Present-day distribution and trends of tropospheric ozone relevant to climate and global atmospheric chemistry model evaluation

    A. Gaudel;O. R. Cooper;G. Ancellet;B. Barret

  • Intercomparison of retrieval codes used for the analysis of high-resolution, ground-based FTIR measurements

    F. Hase;J.W. Hannigan;M.T. Coffey;A. Goldman

  • Importance of secondary sources in the atmospheric budgets of formic and acetic acids

    F. Paulot;D. Wunch;J. D. Crounse;G. C. Toon

  • The Network for the Detection of Atmospheric Composition Change (NDACC): history, status and perspectives

    Martine De Mazière;Anne M. Thompson;Michael J. Kurylo;Jeannette D. Wild

  • 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

  • Global estimates of gravity wave momentum flux from High Resolution Dynamics Limb Sounder observations

    M. J. Alexander;J. Gille;J. Gille;C. Cavanaugh;M. Coffey

  • Validation of Measurements of Pollution in the Troposphere (MOPITT) CO retrievals with aircraft in situ profiles

    L. K. Emmons;M. N. Deeter;J. C. Gille;D. P. Edwards

  • Reversal of global atmospheric ethane and propane trends largely due to US oil and natural gas production

    Detlev Helmig;Samuel Rossabi;Jacques Hueber;Pieter Tans

  • Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations

    Mahesh Kumar Sha;Bavo Langerock;Jean-François L. Blavier;Thomas Blumenstock

  • Ubiquitous atmospheric production of organic acids mediated by cloud droplets.

    B. Franco;T. Blumenstock;C. Cho;Lieven Clarisse

  • Recent Northern Hemisphere stratospheric HCl increase due to atmospheric circulation changes

    Emmanuel Mahieu;M P Chipperfield;Justus Notholt;T Reddmann

  • Validation of ozone measurements from the Atmospheric Chemistry Experiment (ACE)

    E. Dupuy;K.A. Walker;K.A. Walker;J. Kar;C.D. Boone

  • TROPOMI-Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations

    Corinne Vigouroux;Bavo Langerock;Carlos Augusto Bauer Aquino;Thomas Blumenstock

  • Evaluating ethane and methane emissions associated with the development of oil and natural gas extraction in North America

    Bruno Franco;Emmanuel Mahieu;L. K. Emmons;Z. A. Tzompa-Sosa

  • COVID-19 Crisis Reduces Free Tropospheric Ozone across the Northern Hemisphere

    Wolfgang Steinbrecht;Dagmar Kubistin;Christian Plass-Dülmer;Jonathan Davies

  • The Global Atmosphere Watch reactive gases measurement network

    Martin G. Schultz;Hajime Akimoto;Jan Bottenheim;Brigitte Buchmann

  • CO measurements from the ACE-FTS satellite instrument: data analysis and validation using ground-based, airborne and spaceborne observations

    Cathy Clerbaux;Maya George;Solène Turquety;K. A. Walker;K. A. Walker

  • Trends of ozone total columns and vertical distribution from FTIR observations at eight NDACC stations around the globe

    C Vigouroux;Thomas Blumenstock;M T Coffey;Q Errera

  • Validation of ACE-FTS v2.2 measurements of HCl, HF, CCl 3 F and CCl 2 F 2 using space-, balloon- and ground-based instrument observations

    E. Mahieu;P. Duchatelet;P. Demoulin;K. A. Walker;K. A. Walker

  • Validation of ACE-FTS v2.2 methane profiles from the upper troposphere to the lower mesosphere

    M. de Mazière;C. Vigouroux;P. F. Bernath;P. F. Bernath;P. Baron

Frequent Co-Authors

Emmanuel Mahieu
Emmanuel Mahieu University of Liège
M. T. Coffey
M. T. Coffey National Center for Atmospheric Research
Nicholas B. Jones
Nicholas B. Jones University of Wollongong
Justus Notholt
Justus Notholt University of Bremen
Kimberly Strong
Kimberly Strong University of Toronto
Frank Hase
Frank Hase Karlsruhe Institute of Technology
Dan Smale
Dan Smale National Institute of Water and Atmospheric Research
Peter F. Bernath
Peter F. Bernath Old Dominion University
Thomas Blumenstock
Thomas Blumenstock Karlsruhe Institute of Technology
Ralf Sussmann
Ralf Sussmann Karlsruhe Institute of Technology

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