World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
42
Citations
6612
World Ranking
5259
National Ranking
1966

Jan P. Amend publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Jan P. Amend sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 165 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Jan P. Amend D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Jan P. Amend sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 42 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Jan P. Amend is affiliated with the University of Southern California in the United States. Their research primarily spans the field of Environmental Science, with a focus on several interconnected subfields including Ecology, Environmental Chemistry, Molecular Biology, Atmospheric Science, and Biomedical Engineering.

Amend's work covers a diverse range of topics, notably:

  • Microbial Community Ecology and Physiology
  • Methane Hydrates and Related Phenomena
  • Genomics and Phylogenetic Studies
  • Metal Extraction and Bioleaching
  • Microbial Fuel Cells and Bioremediation
  • Geology and Paleoclimatology Research
  • Atmospheric and Environmental Gas Dynamics

Their recent publications demonstrate a focus on microbial ecology and global environmental processes. Notable papers by Amend include:

  • "A Genus Definition for Bacteria and Archaea Based on a Standard Genome Relatedness Index," 2020, published in mBio
  • "Widespread energy limitation to life in global subseafloor sediments," 2020, published in Science Advances
  • "Organic carbon and microbial activity in marine sediments on a global scale throughout the Quaternary," 2020, published in Geochimica et Cosmochimica Acta
  • "Unique mobile elements and scalable gene flow at the prokaryote-eukaryote boundary revealed by circularized Asgard archaea genomes," 2022, published in Nature Microbiology
  • "Novel nitrite reductase domain structure suggests a chimeric denitrification repertoire in the phylum Chloroflexi," 2022, published in MicrobiologyOpen

Amend frequently collaborates with other researchers in related fields. Their common co-authors include Douglas E. LaRowe, Heidi S. Aronson, Jennifer L. Macalady, Roman A. Barco, and Brittany R. Kruger.

Their publications are also distributed across various venues, with multiple works appearing in:

  • Frontiers in Microbiology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Environmental Microbiology
  • INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Geobiology

Best Publications

  • Energetics of overall metabolic reactions of thermophilic and hyperthermophilic Archaea and Bacteria

    Jan P. Amend;Everett L. Shock

  • Preservation of Martian Organic and Environmental Records: Final Report of the Mars Biosignature Working Group

    Roger E. Summons;Jan P. Amend;David Bish;Roger Buick

  • Archaeal and bacterial communities in geochemically diverse hot springs of Yellowstone National Park, USA

    D. R. Meyer-Dombard;D. R. Meyer-Dombard;Everett Shock;J. P. Amend

  • Energetics of amino acid synthesis in hydrothermal ecosystems

    J. P. Amend;E. L. Shock

  • Catabolic and anabolic energy for chemolithoautotrophs in deep-sea hydrothermal systems hosted in different rock types

    Jan P. Amend;Thomas M. McCollom;Michael Hentscher;Wolfgang Bach

  • Expanding frontiers in deep subsurface microbiology

    Jan P. Amend;Andreas P Teske

  • Sulfur biogeochemistry : past and present

    Jan P. Amend;Katrina J. Edwards;Timothy W. Lyons

  • Quantifying inorganic sources of geochemical energy in hydrothermal ecosystems, Yellowstone National Park, USA

    Everett L. Shock;Melanie Holland;D’Arcy Meyer-Dombard;Jan P. Amend

  • Energy and carbon metabolisms in a deep terrestrial subsurface fluid microbial community

    Lily Momper;Sean P Jungbluth;Sean P Jungbluth;Michael D Lee;Jan P Amend

  • A thermodynamic assessment of energy requirements for biomass synthesis by chemolithoautotrophic micro‐organisms in oxic and anoxic environments

    T. M. Mccollom;J. P. Amend

  • Energetics of chemolithoautotrophy in the hydrothermal system of Vulcano Island, southern Italy

    Jan P. Amend;Karyn L. Rogers;Everett L. Shock;Sergio Gurrieri

  • Chemolithotrophy in the continental deep subsurface: Sanford Underground Research Facility (SURF), USA.

    Magdalena R. Osburn;Magdalena R. Osburn;Douglas E. LaRowe;Lily M. Momper;Jan P. Amend

  • The energetics of organic synthesis inside and outside the cell

    Jan P. Amend;Douglas E. LaRowe;Thomas M. McCollom;Everett L. Shock

  • Group additivity equations of state for calculating the standard molal thermodynamic properties of aqueous organic species at elevated temperatures and pressures.

    Jan P. Amend;Harold C. Helgeson

  • Widespread energy limitation to life in global subseafloor sediments.

    J. A. Bradley;S. Arndt;J. P. Amend;E. Burwicz

  • Processes influencing extreme As enrichment in shallow-sea hydrothermal fluids of Milos Island, Greece

    Roy E. Price;Roy E. Price;Ivan Savov;Britta Planer-Friedrich;Solveig I. Bühring

  • Thermal and geochemical influences on microbial biogeography in the hydrothermal sediments of Guaymas Basin, Gulf of California.

    Luke McKay;Luke McKay;Vincent W. Klokman;Vincent W. Klokman;Howard P. Mendlovitz;Douglas E. LaRowe

  • Thermodynamic limitations on microbially catalyzed reaction rates

    Douglas E. LaRowe;Andrew W. Dale;Jan P. Amend;Philippe Van Cappellen

  • Power limits for microbial life.

    Douglas E. LaRowe;Jan P. Amend

  • Methane-Linked Mechanisms of Electron Uptake from Cathodes by Methanosarcina barkeri.

    Annette R. Rowe;Annette R. Rowe;Shuai Xu;Emily Gardel;Arpita Bose

  • Energetics of Biomolecule Synthesis on Early Earth

    Jan P. Amend;Tom M. Mccollom

  • Metagenome sequencing and 98 microbial genomes from Juan de Fuca Ridge flank subsurface fluids

    Sean P. Jungbluth;Jan P. Amend;Michael S. Rappé

  • Inorganic chemistry, gas compositions and dissolved organic carbon in fluids from sedimented young basaltic crust on the Juan de Fuca Ridge flanks

    Huei-Ting Lin;James P. Cowen;Eric J. Olson;Jan P. Amend

Frequent Co-Authors

Douglas E. LaRowe
Douglas E. LaRowe University of Southern California
Thomas Pichler
Thomas Pichler University of Bremen
Everett L. Shock
Everett L. Shock Arizona State University
David A. Fike
David A. Fike Washington University in St. Louis
Victoria J. Orphan
Victoria J. Orphan California Institute of Technology
Harold C. Helgeson
Harold C. Helgeson University of California, Berkeley
Thomas M. McCollom
Thomas M. McCollom University of Colorado Boulder
Kenneth H. Nealson
Kenneth H. Nealson University of Southern California
Andrew W. Dale
Andrew W. Dale GEOMAR Helmholtz Centre for Ocean Research Kiel
Tori M. Hoehler
Tori M. Hoehler Ames Research Center

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Related Online Degrees & Career Pathways

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Overall, combining Earth Science knowledge with library science or digital media skills can open doors to interdisciplinary careers that are both rewarding and in demand.

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