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Environmental Sciences
Australia
2023

D-Index & Metrics

Environmental Sciences

D-Index
50
Citations
15982
World Ranking
4860
National Ranking
170

Roger J. Francey 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 Roger J. Francey 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: 115 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Roger J. Francey 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 Roger J. Francey 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: 50 D-Index — 50th percentile

50% 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

  • 2023 - Research.com Environmental Sciences in Australia Leader Award

Overview

Roger J. Francey is a researcher affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. The scientific contributions focus primarily on environmental and atmospheric sciences, with particular emphasis on the dynamics of atmospheric gases and climate variability.

The scope of Francey's work spans several key fields of study:

  • Environmental Science
  • Earth and Planetary Sciences

Within these fields, the research further delves into specialized subfields, notably:

  • Global and Planetary Change
  • Atmospheric Science

The main topics of their research include:

  • Atmospheric and Environmental Gas Dynamics
  • Climate variability and models
  • Atmospheric chemistry and aerosols

Roger J. Francey's recent publication record consists of articles such as:

  • Systematic anomalies in the recent global atmospheric CO2 concentration (2025, PLOS Climate)

The work appears in venues that reflect the thematic focus on climate and atmospheric sciences. Notably, Francey has published in:

  • PLOS Climate

Collaborative efforts are evident through frequent co-authors, including:

  • Jorgen S. Frederiksen

Best Publications

  • Natural and anthropogenic changes in atmospheric CO2 over the last 1000 years from air in Antarctic ice and firn

    D. M. Etheridge;L. P. Steele;R. L. Langenfelds;R. J. Francey

  • A Large Northern Hemisphere Terrestrial CO2 Sink Indicated by the 13C/12C Ratio of Atmospheric CO2.

    P. Ciais;P. P. Tans;M. Trolier;J. W. C. White

  • Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2

    Britton B. Stephens;Kevin R. Gurney;Pieter P. Tans;Colm Sweeney

  • A 1000-year high precision record of δ 13 C in atmospheric CO 2

    R. J. Francey;R. J. Francey;C. E. Allison;D. M. Etheridge;C. M. Trudinger;C. M. Trudinger

  • Atmospheric methane between 1000 A.D. and present: Evidence of anthropogenic emissions and climatic variability

    D. M. Etheridge;L. P. Steele;R. J. Francey;R. L. Langenfelds

  • An explanation of 13 C/ 12 C variations in tree rings

    R. J. Francey;G. D. Farquhar

  • Global Carbon Sinks and Their Variability Inferred from Atmospheric O2 and δ13C

    M. Battle;M. L. Bender;P. P. Tans;J. W. C. White

  • Changes in oceanic and terrestrial carbon uptake since 1982

    R. J. Francey;P. P. Tans;C. E. Allison;I. G. Enting

  • Reconstructing the recent carbon cycle from atmospheric CO2, δ13C and O2/N2 observations*

    P. J. Rayner;I. G. Enting;R. J. Francey;R. Langenfelds

  • Partitioning of ocean and land uptake of CO2 as inferred by δ13C measurements from the NOAA Climate Monitoring and Diagnostics Laboratory Global Air Sampling Network

    Philippe Ciais;Pieter P. Tans;James W. C. White;Michael Trolier

  • Interannual growth rate variations of atmospheric CO2 and its δ13C, H2, CH4, and CO between 1992 and 1999 linked to biomass burning

    R. L. Langenfelds;R. L. Langenfelds;R. J. Francey;B. C. Pak;B. C. Pak;L. P. Steele

  • A synthesis inversion of the concentration and δ 13 C of atmospheric CO 2

    I. G. Enting;C. M. Trudinger;R. J. Francey

  • Observations and modelling of the global distribution and long-term trend of atmospheric 14CO2

    Ingeborg Levin;Tobias Naegler;Bernd Kromer;Moritz Diehl

  • A three‐dimensional synthesis study of δ18O in atmospheric CO2 1. Surface fluxes

    Philippe Ciais;A. Scott Denning;Pieter P. Tans;Joseph A. Berry

  • Interannual variability in the oxygen isotopes of atmospheric CO2 driven by El Nino

    Lisa R. Welp;Ralph F. Keeling;Harro A. J. Meijer;Alane F. Bollenbacher

  • Fluxes of carbon, water and energy over Brazilian cerrado: an analysis using eddy covariance and stable isotopes

    A. C. Miranda;H. S. Miranda;J. Lloyd;John Grace

  • Latitudinal variation in oxygen-18 of atmospheric CO2

    Roger J. Francey;Pieter P. Tans

  • Sulfur hexafluoride—A powerful new atmospheric tracer

    Manfred Maiss;L.Paul Steele;Roger J. Francey;Paul J. Fraser;Paul J. Fraser

  • A revised 1000 year atmospheric δ13C‐CO2 record from Law Dome and South Pole, Antarctica

    M. Rubino;M. Rubino;D. M. Etheridge;D. M. Etheridge;C. M. Trudinger;C. E. Allison

  • Vegetation Effects on the Isotopic Composition of Atmospheric CO2 at Local and Regional Scales: Theoretical Aspects and a Comparison Between Rain Forest in Amazonia and a Boreal Forest in Siberia

    J Lloyd;B Kruijt;DY Hollinger;J Grace

Frequent Co-Authors

Ray L. Langenfelds
Ray L. Langenfelds Commonwealth Scientific and Industrial Research Organisation
Cathy M. Trudinger
Cathy M. Trudinger Commonwealth Scientific and Industrial Research Organisation
Pieter P. Tans
Pieter P. Tans National Oceanic and Atmospheric Administration
David Etheridge
David Etheridge Commonwealth Scientific and Industrial Research Organisation
Peter Rayner
Peter Rayner University of Melbourne
James W. C. White
James W. C. White University of Colorado Boulder
Ingeborg Levin
Ingeborg Levin Heidelberg University
Paul B. Krummel
Paul B. Krummel Commonwealth Scientific and Industrial Research Organisation
Rachel M. Law
Rachel M. Law Commonwealth Scientific and Industrial Research Organisation
Edward R. Cook
Edward R. Cook Lamont-Doherty Earth Observatory

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