World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
54
Citations
10867
World Ranking
4037
National Ranking
1539

Ann Pearson 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 Ann Pearson 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: 186 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Ann Pearson 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 Ann Pearson 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: 54 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Overview

Ann Pearson is affiliated with Harvard University in the United States. Their research spans multiple disciplines with a strong focus on Environmental Science and Earth and Planetary Sciences, along with contributions to Biochemistry, Genetics, and Molecular Biology.

Their recent publications reflect a diverse range of topics relevant to environmental and molecular studies. Notable papers include:

  • "Toward a Cenozoic history of atmospheric CO 2", 2023, published in Science
  • "Archaeal lipids trace ecology and evolution of marine ammonia-oxidizing archaea", 2022, published in Proceedings of the National Academy of Sciences
  • "Marine and terrestrial nitrifying bacteria are sources of diverse bacteriohopanepolyols", 2022, published in Geobiology
  • "Nitrifying Microorganisms Linked to Biotransformation of Perfluoroalkyl Sulfonamido Precursors from Legacy Aqueous Film-Forming Foams", 2023, published in Environmental Science & Technology
  • "Vitamin B 12-dependent biosynthesis ties amplified 2-methylhopanoid production during oceanic anoxic events to nitrification", 2020, published in Proceedings of the National Academy of Sciences

Frequent co-authors in their research include:

  • Felix J. Elling
  • William D. Leavitt
  • Yuki Weber
  • Alice Zhou
  • Sebastian Kopf

Their work has been published predominantly in the following venues:

  • Organic Geochemistry
  • Geochimica et Cosmochimica Acta
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Proceedings of the National Academy of Sciences
  • Paleoceanography and Paleoclimatology

Ann Pearson's research fields cover:

  • Environmental Science
  • Earth and Planetary Sciences
  • Biochemistry, Genetics and Molecular Biology

They focus on several subfields including:

  • Ecology
  • Molecular Biology
  • Atmospheric Science
  • Environmental Chemistry
  • Oceanography

The main topics addressed in their work are:

  • Geology and Paleoclimatology Research
  • Microbial Community Ecology and Physiology
  • Methane Hydrates and Related Phenomena
  • Isotope Analysis in Ecology
  • Marine and coastal ecosystems
  • Metabolomics and Mass Spectrometry Studies
  • Hydrocarbon exploration and reservoir analysis

Best Publications

  • Global cooling during the eocene-oligocene climate transition.

    Zhonghui Liu;Zhonghui Liu;Mark Pagani;David Zinniker;Robert DeConto

  • Quantifying archaeal community autotrophy in the mesopelagic ocean using natural radiocarbon

    Anitra E. Ingalls;Sunita R. Shah;Roberta L. Hansman;Lihini I. Aluwihare

  • Variability in Radiocarbon Ages of Individual Organic Compounds from Marine Sediments

    Timothy I. Eglinton;Bryan C. Benitez-Nelson;Ann Pearson;Ann P. McNichol

  • Origins of lipid biomarkers in Santa Monica Basin surface sediment: a case study using compound-specific Δ 14 C analysis

    A. Pearson;A.P. McNichol;B.C. Benitez-Nelson;J.M. Hayes

  • Geochemical evidence for iron-mediated anaerobic oxidation of methane

    Orit Sivan;Michal Adler;Ann Pearson;Faina Gelman

  • A Contemporary Microbially Maintained Subglacial Ferrous "Ocean"

    Jill A. Mikucki;Ann Pearson;David T. Johnston;Alexandra V. Turchyn

  • Anoxygenic photosynthesis modulated Proterozoic oxygen and sustained Earth's middle age

    David T Johnston;Felisa Lauren Wolfe-Simon;Ann Pearson;Andrew Herbert Knoll

  • Phylogenetic and biochemical evidence for sterol synthesis in the bacterium Gemmata obscuriglobus

    Ann Pearson;Meytal Budin;Jochen J. Brocks

  • Radiocarbon as a Tool To Apportion the Sources of Polycyclic Aromatic Hydrocarbons and Black Carbon in Environmental Samples

    Christopher M. Reddy;Ann Pearson;Li Xu;Ann P. Mcnichol

  • Community genomic analysis of an extremely acidophilic sulfur-oxidizing biofilm.

    Daniel S Jones;Heidi L Albrecht;Katherine S Dawson;Irene Schaperdoth

  • Sterols in red and green algae: quantification, phylogeny, and relevance for the interpretation of geologic steranes.

    Robin B. Kodner;Ann Pearson;Roger E. Summons;Andrew Herbert Knoll

  • Microscale AMS 14C Measurement at NOSAMS

    Ann Pearson;Ann P. McNichol;Robert J. Schneider;K. F. Von Reden

  • The origin of n-alkanes in Santa Monica Basin surface sediment: a model based on compound-specific Δ14C and δ13C data

    A. Pearson;T.I. Eglinton

  • Dominant eukaryotic export production during ocean anoxic events reflects the importance of recycled NH4

    Meytal B. Higgins;Rebecca S. Robinson;Jonathan M. Husson;Susan J. Carter

  • A Critical Evaluation of Interlaboratory Data on Total, Elemental, and Isotopic Carbon in the Carbonaceous Particle Reference Material, NIST SRM 1649a

    L. A. Currie;B. A. Benner Jr.;J. D. Kessler;D. R. Klinedinst

  • Building the Biomarker Tree of Life

    Jochen J. Brocks;Ann Pearson

  • Nonmarine crenarchaeol in Nevada hot springs.

    A. Pearson;Z. Huang;A. E. Ingalls;C. S. Romanek

  • Assessing the Use of Archaeal Lipids as Marine Environmental Proxies

    Ann Pearson;Anitra E. Ingalls

  • Influence of ammonia oxidation rate on thaumarchaeal lipid composition and the TEX86 temperature proxy

    Sarah J. Hurley;Felix J. Elling;Martin Könneke;Carolyn Buchwald;Carolyn Buchwald

  • Factors Controlling the Distribution of Archaeal Tetraethers in Terrestrial Hot Springs

    Ann Pearson;Yundan Pi;Yundan Pi;Yundan Pi;Weidong Zhao;WenJun Li

  • Origins of archaeal tetraether lipids in sediments : Insights from radiocarbon analysis

    Sunita R. Shah;Gesine Mollenhauer;Naohiko Ohkouchi;Timothy I. Eglinton

  • The radiocarbon signature of microorganisms in the mesopelagic ocean.

    Roberta L. Hansman;Sheila Griffin;Jordan T. Watson;Ellen R. M. Druffel

Frequent Co-Authors

Anitra E. Ingalls
Anitra E. Ingalls University of Washington
Ann P. McNichol
Ann P. McNichol Woods Hole Oceanographic Institution
Jochen J. Brocks
Jochen J. Brocks Australian National University
Ellen R. M. Druffel
Ellen R. M. Druffel University of California, Irvine
Chuanlun L. Zhang
Chuanlun L. Zhang Southern University of Science and Technology
Mark Pagani
Mark Pagani Yale University
Kai-Uwe Hinrichs
Kai-Uwe Hinrichs University of Bremen

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