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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 37 6971 6458 2421 2144 138 4425

Stephen J. Romaniello publications per year

The chart shows the history of publications by Stephen J. Romaniello between 2005 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Stephen J. Romaniello published across 21 years, from 2005 to 2025, averaging 7.6 papers a year. Output peaked at 17 publications in 2016. 10 of the 160 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 2005 to 2025. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2016. 2005: 1 publication 2006: 1 publication 2007: 0 publications 2008: 2 publications 2009: 1 publication 2010: 3 publications 2011: 2 publications 2012: 6 publications 2013: 3 publications 2014: 11 publications 2015: 10 publications 2016: 17 publications 2017: 16 publications 2018: 17 publications 2019: 16 publications 2020: 17 publications 2021: 14 publications 2022: 6 publications 2023: 7 publications 2024: 3 publications 2025: 7 publications
2005 2025

160 publications in total across all disciplines

View publications per year as a table
Stephen J. Romaniello: publications per year, 2005 to 2025
Year Publications
2005 1
2006 1
2007 0
2008 2
2009 1
2010 3
2011 2
2012 6
2013 3
2014 11
2015 10
2016 17
2017 16
2018 17
2019 16
2020 17
2021 14
2022 6
2023 7
2024 3
2025 7
Total 160
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Stephen J. Romaniello 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 Stephen J. Romaniello 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, 138–147 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: 138 publications — 32nd percentile

32% 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
138–147 491 138
148–157 495
158–167 458
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
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Stephen J. Romaniello 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 Stephen J. Romaniello 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, 37 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: 37 D-Index — 27th percentile

27% 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 37
38 344
39 349
40 296
41 289
42 277
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
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Overview

Stephen J. Romaniello is affiliated with Vesta Sciences in the United States and has a research focus primarily in Earth and Planetary Sciences. Their work spans multiple subfields, including Geochemistry and Petrology, Paleontology, Inorganic Chemistry, Geophysics, and Oceanography.

The scientist has contributed significantly to several main research topics, which include:

  • Paleontology and Stratigraphy of Fossils
  • Geochemistry and Elemental Analysis
  • Radioactive element chemistry and processing
  • Geological and Geochemical Analysis
  • Geology and Paleoclimatology Research
  • Methane Hydrates and Related Phenomena
  • Marine and coastal ecosystems

Stephen J. Romaniello's recent publications reflect a focus on marine geochemical proxies, ocean anoxia events, and oxidative weathering in Earth's history. Notable recent papers include:

  • Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: A critical review, 2020, Geochimica et Cosmochimica Acta
  • Extensive marine anoxia associated with the Late Devonian Hangenberg Crisis, 2020, Earth and Planetary Science Letters
  • Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth, 2021, Science Advances
  • Early Mississippian ocean anoxia triggered organic carbon burial and late Paleozoic cooling: Evidence from uranium isotopes recorded in marine limestone, 2020, Geology
  • Molybdenum isotope fractionation in glacial diamictites tracks the onset of oxidative weathering of the continental crust, 2020, Earth and Planetary Science Letters

The scientist has a pattern of frequent publication in the following venues:

  • Chemical Geology
  • Geochimica et Cosmochimica Acta
  • Goldschmidt Abstracts
  • Earth and Planetary Science Letters
  • Goldschmidt2021 abstracts

Frequent collaborators include Ariel D. Anbar, Geoffrey J. Gilleaudeau, Xinming Chen, Nathan G. Walworth, and Thomas J. Algeo, indicating a network of research partnerships across related fields.

Best Publications

  • Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period

    Brian Kendall;Brian Kendall;Tsuyoshi Komiya;Tsuyoshi Komiya;Tsuyoshi Komiya;Timothy W. Lyons;Steve M. Bates

  • Multiple episodes of extensive marine anoxia linked to global warming and continental weathering following the latest Permian mass extinction.

    Feifei Zhang;Stephen J. Romaniello;Thomas J. Algeo;Thomas J. Algeo;Kimberly V. Lau

  • A modern framework for the interpretation of 238U/235U in studies of ancient ocean redox

    Morten Andersen;Morten Andersen;S. Romaniello;D. Vance;S. H. Little

  • Uranium concentrations and 238U/235U isotope ratios in modern carbonates from the Bahamas: Assessing a novel paleoredox proxy

    Stephen J. Romaniello;Achim D. Herrmann;Ariel D. Anbar

  • Cadmium isotope fractionation during adsorption to Mn oxyhydroxide at low and high ionic strength

    Unknown

  • Extensive marine anoxia during the terminal Ediacaran Period

    Feifei Zhang;Shuhai Xiao;Brian Kendall;Stephen J. Romaniello

  • Uranium isotopes fingerprint biotic reduction

    Malgorzata Alicja Stylo;Nadja Neubert;Yuheng Wang;Nikhil Monga

  • Fully automated chromatographic purification of Sr and Ca for isotopic analysis

    S. J. Romaniello;M. P. Field;H. B. Smith;Gwyneth Gordon

  • Congruent Permian-Triassic δ238U records at Panthalassic and Tethyan sites: Confirmation of global-oceanic anoxia and validation of the U-isotope paleoredox proxy

    Feifei Zhang;Thomas J. Algeo;Thomas J. Algeo;Stephen J. Romaniello;Ying Cui

  • Global-ocean redox variation during the middle-late Permian through Early Triassic based on uranium isotope and Th/U trends of marine carbonates

    Maya Elrick;Victor Polyak;Thomas J. Algeo;Thomas J. Algeo;Stephen Romaniello

  • Fully oxygenated water columns over continental shelves before the Great Oxidation Event

    Chadlin M. Ostrander;Sune G. Nielsen;Jeremy D. Owens;Brian Kendall

  • Diagenetic effects on uranium isotope fractionation in carbonate sediments from the Bahamas

    Xinming Chen;Stephen J. Romaniello;Achim D. Herrmann;Dalton Hardisty

  • Global marine redox changes drove the rise and fall of the Ediacara biota.

    Feifei Zhang;Shuhai Xiao;Stephen J. Romaniello;Dalton Hardisty

  • Marine Mo biogeochemistry in the context of dynamically euxinic mid-depth waters: A case study of the lower Cambrian Niutitang shales, South China

    Meng Cheng;Chao Li;Lian Zhou;Thomas J. Algeo;Thomas J. Algeo

  • Oxygenation of a Cryogenian ocean (Nanhua Basin, South China) revealed by pyrite Fe isotope compositions

    Feifei Zhang;Xiangkun Zhu;Bin Yan;Brian Kendall

  • Uranium isotope systematics of ferromanganese crusts in the Pacific Ocean: Implications for the marine 238U/235U isotope system

    Kosuke T. Goto;Ariel D. Anbar;Gwyneth W. Gordon;Stephen J. Romaniello

  • Uranium isotope fractionation during coprecipitation with aragonite and calcite

    Xinming Chen;Stephen J. Romaniello;Achim D. Herrmann;Laura E. Wasylenki

  • Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: A critical review

    Feifei Zhang;Timothy M. Lenton;Álvaro del Rey;Stephen J. Romaniello;Stephen J. Romaniello

  • Transient deep-water oxygenation in the early Cambrian Nanhua Basin, South China

    Meng Cheng;Chao Li;Lian Zhou;LianJun Feng

  • Uranium and carbon isotopes document global-ocean redox-productivity relationships linked to cooling during the Frasnian-Famennian mass extinction

    Huyue Song;Haijun Song;Thomas J. Algeo;Thomas J. Algeo;Jinnan Tong

  • Global seawater redox trends during the Late Devonian mass extinction detected using U isotopes of marine limestones

    David A. White;Maya Elrick;Stephen Romaniello;Feifei Zhang

Frequent Co-Authors

Ariel D. Anbar
Ariel D. Anbar Arizona State University
Thomas J. Algeo
Thomas J. Algeo University of Cincinnati
Gwyneth W. Gordon
Gwyneth W. Gordon Arizona State University
Timothy W. Lyons
Timothy W. Lyons University of California, Riverside
Brian Kendall
Brian Kendall University of Waterloo
Christopher T. Reinhard
Christopher T. Reinhard Georgia Institute of Technology
Alan J. Kaufman
Alan J. Kaufman University of Maryland, College Park
Shuhai Xiao
Shuhai Xiao Virginia Tech
Donald E. Canfield
Donald E. Canfield University of Southern Denmark
Niels Peter Revsbech
Niels Peter Revsbech Aarhus University

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