World's Best Scientists 2026 revealed!
Jennifer C. McElwain

Jennifer C. McElwain

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Environmental Sciences
Ireland
2023

D-Index & Metrics

Environmental Sciences

D-Index
48
Citations
10487
World Ranking
5464
National Ranking
12

Jennifer C. McElwain 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 Jennifer C. McElwain 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: 142 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Jennifer C. McElwain 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 Jennifer C. McElwain 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: 48 D-Index — 44th percentile

44% 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 Ireland Leader Award
  • 2022 - Research.com Environmental Sciences in Ireland Leader Award
  • 2017 - Member of the Royal Irish Academy

Overview

Jennifer C. McElwain is affiliated with Trinity College Dublin in Ireland and specializes in various aspects of environmental and earth sciences. Their research encompasses multiple interconnected fields, including Environmental Science, Agricultural and Biological Sciences, and Earth and Planetary Sciences.

Their work covers several significant subfields: Global and Planetary Change, Atmospheric Science, Ecology, Evolution, Behavior and Systematics, Plant Science, and Paleontology. These areas underline a broad expertise focused on understanding the dynamics of Earth's past and present environments.

Jennifer C. McElwain's research predominantly addresses topics such as Geology and Paleoclimatology Research, Plant Diversity and Evolution, Plant Water Relations and Carbon Dynamics, Plant responses to elevated CO2, Paleontology and Stratigraphy of Fossils, Climate variability and models, and Ecology and Vegetation Dynamics Studies.

They have contributed to scientific knowledge through numerous publications. Noteworthy recent papers include:

  • Past climates inform our future, 2020, Science
  • Toward a Cenozoic history of atmospheric CO2, 2023, Science
  • Palaeobotanical experiences of plant diversity in deep time. 1: How well can we identify past plant diversity in the fossil record?, 2021, Palaeogeography Palaeoclimatology Palaeoecology
  • Impact of soil salinity on mangrove restoration in a semiarid region: a case study from the Saloum Delta, Senegal, 2020, Restoration Ecology
  • Palaeobotanical experiences of plant diversity in deep time. 2: How to measure and analyse past plant biodiversity, 2021, Palaeogeography Palaeoclimatology Palaeoecology

Their frequent co-authors reflect a collaborative approach to research. These colleagues include Isabel P. Montañez, Jonathan P. Wilson, Joseph D. White, William J. Matthaeus, and Christopher J. Poulsen.

The scientist publishes regularly in several key venues, with the highest number of publications appearing in:

  • Palaeogeography Palaeoclimatology Palaeoecology
  • New Phytologist
  • Abstracts with programs - Geological Society of America
  • Science
  • Anaesthesia

Jennifer C. McElwain's work in plant sciences and paleoclimatology involves detailed investigations of plant diversity, carbon dynamics, and environmental change over geological timescales.

They have been recognized for their contributions by being named a Member of the Royal Irish Academy in 2017.

Best Publications

  • The Evolution of Plants

    K. J. Willis;J. C. McElwain

  • Fossil Plants and Global Warming at the Triassic-Jurassic Boundary

    J. C. McElwain;D. J. Beerling;F. I. Woodward

  • Past climates inform our future

    Jessica E. Tierney;Christopher J. Poulsen;Isabel P. Montañez;Tripti Bhattacharya

  • Changes in carbon dioxide during an oceanic anoxic event linked to intrusion into Gondwana coals

    Jennifer C. McElwain;Jessica Wade-Murphy;Stephen P. Hesselbo

  • Stomatal Density and Index of Fossil Plants Track Atmospheric Carbon Dioxide in the Palaeozoic

    Jennifer C. McElwain;William G. Chaloner

  • Mass extinction events and the plant fossil record

    Jennifer C. McElwain;Surangi W. Punyasena

  • Climate, pCO2 and terrestrial carbon cycle linkages during late Palaeozoic glacial-interglacial cycles

    Isabel P. Montañez;Jennifer C. McElwain;Christopher J. Poulsen;Joseph D. White

  • Carbon sequestration activated by a volcanic CO 2 pulse during Ocean Anoxic Event 2

    Richard S. Barclay;Jennifer C. McElwain;Bradley B. Sageman

  • Baseline intrinsic flammability of Earth’s ecosystems estimated from paleoatmospheric oxygen over the past 350 million years

    Claire M. Belcher;Jonathan M. Yearsley;Rory M. Hadden;Jennifer C. McElwain

  • The fossil cuticle as a skeletal record of environmental change

    Jennifer C. McElwain;William G. Chaloner

  • Stomatal responses of the ‘living fossil’ Ginkgo biloba L. to changes in atmospheric CO2 concentrations

    D.J. Beerling;J.C. McElwain;C.P. Osborne

  • Macroecological responses of terrestrial vegetation to climatic and atmospheric change across the Triassic/Jurassic boundary in East Greenland

    Jennifer C. McElwain;Mihai E. Popa;Stephen P. Hesselbo;Matthew Haworth

  • Limits for combustion in low O2 redefine paleoatmospheric predictions for the Mesozoic.

    C. M. Belcher;J. C. McElwain

  • Increased fire activity at the Triassic/Jurassic boundary in Greenland due to climate-driven floral change

    Claire M. Belcher;Luke Mander;Guillermo Rein;Freddy X. Jervis

  • Do fossil plants signal palaeoatmospheric carbon dioxide concentration in the geological past

    J. C. McElwain

  • Extremely elevated CO2 concentrations at the Triassic/Jurassic boundary

    Margret Steinthorsdottir;Andrew J. Jeram;Jennifer C. McElwain

  • Sensitivity of leaf size and shape to climate within Acer rubrum and Quercus kelloggii

    Dana L. Royer;Jennifer C. McElwain;Jonathan M. Adams;Peter Wilf

  • Using modern plant trait relationships between observed and theoretical maximum stomatal conductance and vein density to examine patterns of plant macroevolution

    Jennifer C. McElwain;Charilaos Yiotis;Tracy Lawson

  • Ancient atmospheres and the evolution of oxygen sensing via the hypoxia-inducible factor in metazoans

    Cormac T. Taylor;Jennifer C. McElwain

  • Hot, dry, wet, cold or toxic? Revisiting the ecological significance of leaf and cuticular micromorphology

    Matthew Haworth;Jennifer McElwain

  • Evolution of Plants

    K. J. Willis;J. C. McElwain

Frequent Co-Authors

Matthew Haworth
Matthew Haworth National Academies of Sciences, Engineering, and Medicine
Isabel P. Montañez
Isabel P. Montañez University of California, Davis
Christopher J. Poulsen
Christopher J. Poulsen University of Michigan–Ann Arbor
Wolfram M. Kürschner
Wolfram M. Kürschner University of Oslo
William A. DiMichele
William A. DiMichele Smithsonian Institution
Stephen P. Hesselbo
Stephen P. Hesselbo University of Exeter
Bradley B. Sageman
Bradley B. Sageman Northwestern University
Tracy Lawson
Tracy Lawson University of Illinois at Urbana-Champaign
Ian J. Wright
Ian J. Wright Western Sydney University
Rodrigo Caballero
Rodrigo Caballero Stockholm University

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