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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 62 1738 1560 106 95 248 9603

Jean-Alix Barrat publications per year

The chart shows the history of publications by Jean-Alix Barrat between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jean-Alix Barrat published across 36 years, from 1990 to 2025, averaging 7.6 papers a year. Output peaked at 19 publications in 2021. 27 of the 274 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2021. 1990: 1 publication 1991: 0 publications 1992: 0 publications 1993: 2 publications 1994: 0 publications 1995: 0 publications 1996: 2 publications 1997: 1 publication 1998: 3 publications 1999: 2 publications 2000: 5 publications 2001: 10 publications 2002: 13 publications 2003: 6 publications 2004: 4 publications 2005: 7 publications 2006: 6 publications 2007: 7 publications 2008: 7 publications 2009: 12 publications 2010: 13 publications 2011: 14 publications 2012: 13 publications 2013: 7 publications 2014: 13 publications 2015: 11 publications 2016: 9 publications 2017: 7 publications 2018: 5 publications 2019: 13 publications 2020: 11 publications 2021: 19 publications 2022: 15 publications 2023: 9 publications 2024: 14 publications 2025: 13 publications
1990 2025

274 publications in total across all disciplines

View publications per year as a table
Jean-Alix Barrat: publications per year, 1990 to 2025
Year Publications
1990 1
1991 0
1992 0
1993 2
1994 0
1995 0
1996 2
1997 1
1998 3
1999 2
2000 5
2001 10
2002 13
2003 6
2004 4
2005 7
2006 6
2007 7
2008 7
2009 12
2010 13
2011 14
2012 13
2013 7
2014 13
2015 11
2016 9
2017 7
2018 5
2019 13
2020 11
2021 19
2022 15
2023 9
2024 14
2025 13
Total 274
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Jean-Alix Barrat 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 Jean-Alix Barrat 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, 248–257 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: 248 publications — 78th percentile

78% 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
248–257 208 248
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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Jean-Alix Barrat 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 Jean-Alix Barrat 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

Jean-Alix Barrat is affiliated with the University of Western Brittany in France and has a research focus spanning Earth and Planetary Sciences as well as Physics and Astronomy. Their scholarly contributions extend across multiple subfields including Astronomy and Astrophysics, Geophysics, Geochemistry and Petrology, Atmospheric Science, and Inorganic Chemistry.

The scientist's main areas of study encompass diverse topics such as Astro and Planetary Science, Geochemistry and Elemental Analysis, Planetary Science and Exploration, Geological and Geochemical Analysis, High-pressure geophysics and materials, Geology and Paleoclimatology Research, and Radioactive element chemistry and processing.

Jean-Alix Barrat has published extensively in several scientific journals, with particularly frequent publications in:

  • Geochimica et Cosmochimica Acta
  • Journal of Neuroradiology
  • Meteoritics and Planetary Science
  • Chemical Geology
  • Geochemical Perspectives Letters

Their recent papers include:

  • The most primitive CM chondrites, Asuka 12085, 12169, and 12236, of subtypes 3.0-2.8: Their characteristic features and classification (2020, Polar Science)
  • Calculation of cerium and lanthanum anomalies in geological and environmental samples (2022, Chemical Geology)
  • A 4,565-My-old andesite from an extinct chondritic protoplanet (2021, Proceedings of the National Academy of Sciences)
  • The old, unique C1 chondrite Flensburg - Insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies (2020, Geochimica et Cosmochimica Acta)
  • The Tarda Meteorite: A Window into the Formation of D-type Asteroids (2021, The Astrophysical Journal Letters)

Collaborations have been an integral part of their research projects. Frequent co-authors include:

  • Germain Bayon
  • D. Ben Salem
  • A. Bischoff
  • Frédéric Moynier
  • Marie-Laure Rouget

Best Publications

  • Geochemistry of CI chondrites: Major and trace elements, and Cu and Zn Isotopes

    Jean-Alix Barrat;B. Zanda;Frédéric Moynier;Claire Bollinger

  • Rare earth elements and neodymium isotopes in world river sediments revisited

    Germain Bayon;Germain Bayon;Samuel Toucanne;Charlotte Skonieczny;L. Andre

  • DETERMINATION OF RARE EARTH ELEMENTS IN SIXTEEN SILICATE REFERENCE SAMPLES BY ICP‐MS AFTER TM ADDITION AND ION EXCHANGE SEPARATION

    J.A. Barrat;F. Keller;J. Amossé;R.N. Taylor

  • The Paris meteorite, the least altered CM chondrite so far

    Roger H. Hewins;Roger H. Hewins;Michèle Bourot-Denise;Brigitte Zanda;Hugues Leroux

  • The Stannern trend eucrites: Contamination of main group eucritic magmas by crustal partial melts

    J.A. Barrat;A. Yamaguchi;R.C. Greenwood;M. Bohn

  • Rare earth element contents of Jurassic fish and reptile teeth and their potential relation to seawater composition (Anglo-Paris Basin, France and England)

    Stéphanie Picard;Stéphanie Picard;Christophe Lécuyer;Christophe Lécuyer;Jean-Alix Barrat;Jean-Pierre Garcia

  • Tissint Martian Meteorite: A Fresh Look at the Interior, Surface, and Atmosphere of Mars

    H. Chennaoui Aoudjehane;G. Avice;Jean-Alix Barrat;Omar Boudouma

  • δ18O and REE contents of phosphatic brachiopods: a comparison between modern and lower Paleozoic populations

    Christophe Lécuyer;Patricia Grandjean;Jean-Alix Barrat;Jaak Nolvak

  • Petrology and chemistry of the Picritic Shergottite North West Africa 1068 (NWA 1068)

    J.A Barrat;A Jambon;M Bohn;P.h Gillet

  • Determination of Rare Earth Elements, Sc, Y, Zr, Ba, Hf and Th in Geological Samples by ICP-MS after Tm Addition and Alkaline Fusion

    Germain Bayon;Jean Alix Barrat;Joël Etoubleau;Mathieu Benoit

  • The differentiation of eucrites: The role of in situ crystallization

    J. A. Barrat;J. Blichert-Toft;Ph. Gillet;F. Keller

  • Coupled 63Cu and 16O excesses in chondrites

    J.M Luck;D.Ben Othman;J.A Barrat;F Albarède

  • Strontium isotopes and rare-earth element geochemistry of hydrothermal carbonate deposits from Lake Tanganyika, East Africa

    J.A Barrat;J Boulègue;J.J Tiercelin;M Lesourd

  • Silicon isotopes in angrites and volatile loss in planetesimals

    Emily A. Pringle;Frédéric Moynier;Paul S. Savage;James Badro

  • Oxygen isotope variation in stony-iron meteorites.

    Richard C. Greenwood;I. A. Franchi;A. Jambon;J. A. Barrat

  • Isotope (Sr, Nd, Pb, O) and trace-element geochemistry of volcanics from the Erta'Ale range (Ethiopia)

    J.A. Barrat;S. Fourcade;B.M. Jahn;J.L. Cheminée

  • Stable isotope composition and rare earth element content of vertebrate remains from the Late Cretaceous of northern Spain (Lano): did the environmental record survive?

    C. Lécuyer;C. Lécuyer;C. Bogey;J.-P. Garcia;P. Grandjean

  • The Tatahouine diogenite: Mineralogical and chemical effects of sixty-three years of terrestrial residence

    J. A. Barrat;Ph. Gillet;Ph. Gillet;M. Lesourd;J. Blichert-Toft

  • Determination of rare earth elements and other trace elements (Y, Mn, Co, Cr) in seawater using Tm addition and Mg(OH)2 co-precipitation

    Nicolas Freslon;Germain Bayon;Dominique Birot;Claire Bollinger;Claire Bollinger

  • Relative chronology of crust formation on asteroid Vesta: Insights from the geochemistry of diogenites

    Jean-Alix Barrat;Akira Yamaguchi;Brigitte Zanda;Claire Bollinger

  • Crustal partial melting on Vesta: Evidence from highly metamorphosed eucrites

    A. Yamaguchi;A. Yamaguchi;Jean-Alix Barrat;R.C. Greenwood;N. Shirai;N. Shirai

Frequent Co-Authors

Akira Yamaguchi
Akira Yamaguchi National Institute of Polar Research
Marcel Bohn
Marcel Bohn French National Centre for Scientific Research
Albert Jambon
Albert Jambon Université Paris Cité
Richard C. Greenwood
Richard C. Greenwood The Open University
Ian A. Franchi
Ian A. Franchi The Open University
Philippe Gillet
Philippe Gillet École Polytechnique Fédérale de Lausanne
Violaine Sautter
Violaine Sautter Centre national de la recherche scientifique, CNRS
Addi Bischoff
Addi Bischoff University of Münster
Pierre Beck
Pierre Beck Grenoble Alpes University
Germain Bayon
Germain Bayon French Research Institute for Exploitation of the Sea

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