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 62 1690 1513 743 647 245 12912

Jeffrey C. Alt publications per year

The chart shows the history of publications by Jeffrey C. Alt between 1982 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jeffrey C. Alt published across 44 years, from 1982 to 2025, averaging 5.7 papers a year. Output peaked at 20 publications in 2006. 3 of the 251 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1982 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2006. 1982: 2 publications 1983: 1 publication 1984: 8 publications 1985: 11 publications 1986: 8 publications 1987: 4 publications 1988: 2 publications 1989: 13 publications 1990: 2 publications 1991: 7 publications 1992: 12 publications 1993: 1 publication 1994: 1 publication 1995: 11 publications 1996: 11 publications 1997: 0 publications 1998: 19 publications 1999: 6 publications 2000: 7 publications 2001: 8 publications 2002: 2 publications 2003: 13 publications 2004: 2 publications 2005: 2 publications 2006: 20 publications 2007: 7 publications 2008: 9 publications 2009: 9 publications 2010: 2 publications 2011: 6 publications 2012: 10 publications 2013: 9 publications 2014: 4 publications 2015: 1 publication 2016: 7 publications 2017: 4 publications 2018: 2 publications 2019: 1 publication 2020: 2 publications 2021: 1 publication 2022: 0 publications 2023: 1 publication 2024: 2 publications 2025: 1 publication
1982 2025

251 publications in total across all disciplines

View publications per year as a table
Jeffrey C. Alt: publications per year, 1982 to 2025
Year Publications
1982 2
1983 1
1984 8
1985 11
1986 8
1987 4
1988 2
1989 13
1990 2
1991 7
1992 12
1993 1
1994 1
1995 11
1996 11
1997 0
1998 19
1999 6
2000 7
2001 8
2002 2
2003 13
2004 2
2005 2
2006 20
2007 7
2008 9
2009 9
2010 2
2011 6
2012 10
2013 9
2014 4
2015 1
2016 7
2017 4
2018 2
2019 1
2020 2
2021 1
2022 0
2023 1
2024 2
2025 1
Total 251
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Jeffrey C. Alt 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 Jeffrey C. Alt 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, 238–247 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: 245 publications — 77th percentile

77% 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
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243 245
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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Jeffrey C. Alt 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 Jeffrey C. Alt 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, 62 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: 62 D-Index — 82nd percentile

82% 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
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 62
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

Jeffrey C. Alt is affiliated with the University of Michigan-Ann Arbor in the United States. Their primary field of study is Engineering, with a focus on Ocean Engineering and Environmental Chemistry. Additional subfields in their research portfolio include Geophysics, Atmospheric Science, and Paleontology.

Their research covers a broad range of topics, reflecting interdisciplinary expertise. Key areas of work include:

  • Reservoir Engineering and Simulation Methods
  • Drilling and Well Engineering
  • Methane Hydrates and Related Phenomena
  • Offshore Engineering and Technologies
  • Geological and Geochemical Analysis
  • Paleontology and Stratigraphy of Fossils
  • Geology and Paleoclimatology Research

Jeffrey C. Alt has published papers in various scientific venues. Notable recent publications include:

  • High-temperature kinetic isotope fractionation of calcium in epidosites from modern and ancient seafloor hydrothermal systems, 2020, Earth and Planetary Science Letters
  • The origin and fate of C during alteration of the oceanic crust, 2021, Comptes Rendus Géoscience
  • Sulfur and metal mobilization during the life cycle of an oceanic core complex: Implications for seafloor massive sulfide deposits formation at slow and ultra-slow spreading ridges, 2024, Lithos
  • Evidence for Microbial Carbon and Sulfur Cycling in Deeply Buried Ridge Flank Basalt, 2021, UNC Libraries
  • Microbial abundance and diversity in 64-74 Ma subseafloor igneous basement from the Louisville Seamount Chain, 2023, bioRxiv (Cold Spring Harbor Laboratory)

Their publication record shows engagement with a diverse set of platforms, frequently appearing in:

  • Zenodo (CERN European Organization for Nuclear Research)
  • OPAL (Open@LaTrobe) (La Trobe University)
  • Earth and Planetary Science Letters
  • Lithos
  • Comptes Rendus Géoscience

Jeffrey C. Alt collaborates extensively with other researchers. Frequent co-authors include:

  • Christine Laverne
  • D.A.H. Teagle
  • Paola Tartarotti
  • Martin Fisk
  • Gilles Guérin

Best Publications

  • Hydrothermal alteration of a 1 km section through the upper oceanic crust, Deep Sea Drilling Project Hole 504B: Mineralogy, chemistry and evolution of seawater‐basalt interactions

    Jeffrey C. Alt;Jose Honnorez;Christine Laverne;Rolf Emmermann

  • A long in situ section of the lower ocean crust: results of {ODP} Leg 176 drilling at the Southwest Indian Ridge

    Henry J.B. Dick;James H. Natland;Jeffrey C. Alt;Wolfgang Bach

  • The uptake of carbon during alteration of ocean crust

    Jeffrey C. Alt;Damon A.H. Teagle

  • The internal structure of an active sea-floor massive sulphide deposit

    S. E. Humphris;Peter Herzig;D. J. Miller;J .C. Alt

  • Lithium and lithium isotope profiles through the upper oceanic crust: a study of seawater–basalt exchange at ODP Sites 504B and 896A

    Lui Heung Chan;Jeffrey C. Alt;Damon A.H. Teagle

  • Reconstructing past seawater Mg/Ca and Sr/Ca from mid-ocean ridge flank calcium carbonate veins

    Rosalind M. Coggon;Damon A. H. Teagle;Christopher E. Smith-Duque;Jeffrey C. Alt

  • DSDP Hole 504B, the first reference section over 1 km through Layer 2 of the oceanic crust

    R. N. Anderson;J. Honnorez;K. Becker;A. C. Adamson

  • The role of serpentinites in cycling of carbon and sulfur: Seafloor serpentinization and subduction metamorphism

    Jeffrey C. Alt;Esther M. Schwarzenbach;Gretchen L. Früh-Green;Wayne C. Shanks

  • An oxygen isotopic profile through the upper kilometer of the oceanic crust, DSDP hole 504B

    Jeffrey C. Alt;Karlis Muehlenbachs;Jose Honnorez

  • Drilling to gabbro in intact ocean crust

    Douglas S. Wilson;Damon A.H. Teagle;Jeffrey C. Alt;Neil R. Banerjee

  • Alteration of the upper oceanic crust, DSDP site 417: mineralogy and chemistry

    Jeffrey C. Alt;Jose Honnorez

  • Cycling of sulfur in subduction zones: The geochemistry of sulfur in the Mariana Island Arc and back-arc trough

    Jeffrey C. Alt;Wayne C. Shanks;Michael C. Jackson

  • Evidence for Microbial Carbon and Sulfur Cycling in Deeply Buried Ridge Flank Basalt

    Mark A Lever;Mark A Lever;Olivier J Rouxel;Olivier J Rouxel;Jeffrey C Alt;Nobumichi Shimizu

  • Hydrothermal alteration of upper oceanic crust formed at a fast-spreading ridge: mineral, chemical, and isotopic evidence from ODP Site 801

    Jeffrey C. Alt;Damon A.H. Teagle

  • Sulfur in serpentinized oceanic peridotites: Serpentinization processes and microbial sulfate reduction

    Jeffrey C. Alt;Wayne C. Shanks

  • Serpentinization of abyssal peridotites from the MARK area, Mid-Atlantic Ridge: Sulfur geochemistry and reaction modeling

    Jeffrey C. Alt;Wayne C. Shanks

  • Hydrothermal oxide and nontronite deposits on seamounts in the eastern Pacific

    Jeffrey C. Alt

  • Sulfur isotopic profile through the oceanic crust: Sulfur mobility and seawater-crustal sulfur exchange during hydrothermal alteration

    Jeffrey C. Alt

  • The geochemical consequences of late-stage low-grade alteration of lower ocean crust at the SW Indian Ridge: Results from ODP Hole 735B (Leg 176)

    Wolfgang Bach;Jeffrey C. Alt;Yaoling Niu;Susan E. Humphris

  • Hydrothermal alteration of a section of upper oceanic crust in the eastern equatorial Pacific : A synthesis of results from Site 504 (DSDP Legs 69, 70, and 83, and ODP Legs 111, 137, 140, and 148)

    J. C. Alt;C. Laverne;D. A. Vanko;P. Tartarotti

Frequent Co-Authors

Damon A. H. Teagle
Damon A. H. Teagle University of Southampton
Wayne C. Shanks
Wayne C. Shanks United States Geological Survey
Karlis Muehlenbachs
Karlis Muehlenbachs University of Alberta
Alex N. Halliday
Alex N. Halliday Lamont-Doherty Earth Observatory
Mark Rehkämper
Mark Rehkämper Imperial College London
Roger N. Anderson
Roger N. Anderson Columbia University
Carlos J. Garrido
Carlos J. Garrido Spanish National Research Council
Keir Becker
Keir Becker University of Miami
Wolfgang Bach
Wolfgang Bach University of Bremen

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