World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 42 5259 4859 1966 1748 165 6612

Jan P. Amend publications per year

The chart shows the history of publications by Jan P. Amend between 1992 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jan P. Amend published across 34 years, from 1992 to 2025, averaging 6.4 papers a year. Output peaked at 19 publications in 2019. 7 of the 218 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1992 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2019. 1992: 2 publications 1993: 0 publications 1994: 2 publications 1995: 0 publications 1996: 0 publications 1997: 4 publications 1998: 3 publications 1999: 0 publications 2000: 2 publications 2001: 7 publications 2002: 2 publications 2003: 3 publications 2004: 6 publications 2005: 13 publications 2006: 8 publications 2007: 4 publications 2008: 5 publications 2009: 5 publications 2010: 8 publications 2011: 9 publications 2012: 5 publications 2013: 9 publications 2014: 13 publications 2015: 12 publications 2016: 9 publications 2017: 16 publications 2018: 15 publications 2019: 19 publications 2020: 9 publications 2021: 9 publications 2022: 6 publications 2023: 6 publications 2024: 6 publications 2025: 1 publication
1992 2025

218 publications in total across all disciplines

View publications per year as a table
Jan P. Amend: publications per year, 1992 to 2025
Year Publications
1992 2
1993 0
1994 2
1995 0
1996 0
1997 4
1998 3
1999 0
2000 2
2001 7
2002 2
2003 3
2004 6
2005 13
2006 8
2007 4
2008 5
2009 5
2010 8
2011 9
2012 5
2013 9
2014 13
2015 12
2016 9
2017 16
2018 15
2019 19
2020 9
2021 9
2022 6
2023 6
2024 6
2025 1
Total 218
Download as CSV

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.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 158–167 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 165 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458 165
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
Download as CSV

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.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 42 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 42 D-Index — 44th percentile

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

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277 42
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
Download as CSV

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Earth Science can lead to diverse career paths, many of which overlap with other fields such as library science and digital media. For those interested in managing scientific information and data, pursuing ala accredited library science programs online offers a valuable route. Library science careers are well-regarded for their stability and evolving roles in information management, making is library science a good career a relevant consideration for Earth Science graduates seeking versatility.

On the creative side, knowledge of Earth Science can complement skills gained through an online photography degree, especially for those focused on environmental photography or scientific documentation. Veterans interested in this blend of science and art may find specialized opportunities by exploring the best online photography degree programs for veterans, which cater to their unique needs and career transitions.

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.

Best Scientists Citing Jan P. Amend

Trending Scientists