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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 69 1047 925 16 15 546 17624

Shoji Arai publications per year

The chart shows the history of publications by Shoji Arai between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shoji Arai published across 57 years, from 1969 to 2025, averaging 10 papers a year. Output peaked at 41 publications in 2014. 11 of the 571 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 41. Peak 41 publications in 2014. 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 1 publication 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 3 publications 1979: 1 publication 1980: 2 publications 1981: 0 publications 1982: 2 publications 1983: 3 publications 1984: 3 publications 1985: 4 publications 1986: 4 publications 1987: 9 publications 1988: 4 publications 1989: 6 publications 1990: 3 publications 1991: 3 publications 1992: 5 publications 1993: 6 publications 1994: 7 publications 1995: 7 publications 1996: 6 publications 1997: 12 publications 1998: 6 publications 1999: 10 publications 2000: 3 publications 2001: 13 publications 2002: 8 publications 2003: 17 publications 2004: 15 publications 2005: 12 publications 2006: 28 publications 2007: 10 publications 2008: 25 publications 2009: 24 publications 2010: 17 publications 2011: 19 publications 2012: 26 publications 2013: 32 publications 2014: 41 publications 2015: 32 publications 2016: 25 publications 2017: 25 publications 2018: 20 publications 2019: 20 publications 2020: 15 publications 2021: 9 publications 2022: 6 publications 2023: 8 publications 2024: 8 publications 2025: 3 publications
1969 2025

571 publications in total across all disciplines

View publications per year as a table
Shoji Arai: publications per year, 1969 to 2025
Year Publications
1969 1
1970 0
1971 0
1972 0
1973 1
1974 1
1975 1
1976 0
1977 0
1978 3
1979 1
1980 2
1981 0
1982 2
1983 3
1984 3
1985 4
1986 4
1987 9
1988 4
1989 6
1990 3
1991 3
1992 5
1993 6
1994 7
1995 7
1996 6
1997 12
1998 6
1999 10
2000 3
2001 13
2002 8
2003 17
2004 15
2005 12
2006 28
2007 10
2008 25
2009 24
2010 17
2011 19
2012 26
2013 32
2014 41
2015 32
2016 25
2017 25
2018 20
2019 20
2020 15
2021 9
2022 6
2023 8
2024 8
2025 3
Total 571
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Shoji Arai 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 Shoji Arai 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, 538–547 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: 546 publications — 98th percentile

98% 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
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 11 546
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Shoji Arai 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 Shoji Arai 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, 69 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: 69 D-Index — 89th percentile

89% 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
63 83
64 103
65 83
66 89
67 92
68 89
69 78 69
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

Shoji Arai is affiliated with Kanazawa University in Japan and has made contributions primarily in the field of Earth and Planetary Sciences, with a particular focus on Geophysics. Their research spans related subfields including Artificial Intelligence, Atmospheric Science, Paleontology, and Geochemistry and Petrology. The main topics covered in their work include Geological and Geochemical Analysis, earthquake and tectonic studies, High-pressure geophysics and materials, Geochemistry and Geologic Mapping, Geology and Paleoclimatology Research, Paleontology and Stratigraphy of Fossils, and Mineralogy and Gemology Studies.

Arai has coauthored frequently with several researchers in their field. Notable frequent collaborators include Akihiro Tamura, Tomoaki Morishita, Mohamed Zaki Khedr, Satoko Ishimaru, and Amr El-Awady.

Publications by Arai appear in prominent venues with multiple contributions to journals such as Lithos, Zenodo (CERN European Organization for Nuclear Research), Journal of Asian Earth Sciences, Minerals, and Ore Geology Reviews. Among recent papers with authorship or coauthorship involvement are:

  • Hydrothermal Chromitites from the Oman Ophiolite: The Role of Water in Chromitite Genesis, 2020, Minerals

Other papers closely related to Arai's field and coauthored with Mohamed Zaki Khedr, although not authored directly by Arai, illustrate thematic relevance in related geological and petrological studies:

  • Petrogenesis of the ~740 Korab Kansi mafic-ultramafic intrusion, South Eastern Desert of Egypt: Evidence of Ti-rich ferropicritic magmatism, 2020, Gondwana Research
  • Petrogenesis of arc-related serpentinized peridotites (Egypt): Insights into Neoproterozoic mantle evolution beneath the Arabian-Nubian Shield, 2022, Journal of Asian Earth Sciences
  • Styles of Fe-Ti-V ore deposits in the Neoproterozoic layered mafic-ultramafic intrusions, south Eastern Desert of Egypt: Evidence for fractional crystallization of V-rich melts, 2022, Journal of African Earth Sciences
  • Petrogenesis of Gerf Neoproterozoic carbonatized peridotites (Egypt): Evidence of convergent margin metasomatism of depleted sub-arc mantle, 2023, Lithos

Shoji Arai has contributed to book publications as well, with at least one title published by Springer International Publishing. Notably, their work includes "The Geology of the Egyptian Nubian Shield" (2020), which has garnered academic citations.

Best Publications

  • Characterization of spinel peridotites by olivine-spinel compositional relationships: Review and interpretation

    Shoji Arai

  • Chemistry of chromian spinel in volcanic rocks as a potential guide to magma chemistry

    Shoji Arai

  • Podiform chromitites of the Tari-Misaka ultramafic complex, Southwestern Japan, as mantle-melt interaction products.

    Shoji Arai;Hisayoshi Yurimoto

  • Compositional variation of olivine-chromian spinel in Mg-rich magmas as a guide to their residual spinel peridotites

    Shoji Arai

  • Petrological characteristics of podiform chromitites and associated peridotites of the Pan African Proterozoic ophiolite complexes of Egypt

    Ahmed Hassan Ahmed;Shoji Arai;Abdel Kadar Attia

  • Unexpectedly high-PGE chromitite from the deeper mantle section of the northern Oman ophiolite and its tectonic implications

    A. H. Ahmed;S. Arai

  • Harzburgite-dunite-orthopyroxenite suite as a record of supra-subduction zone setting for the Oman ophiolite mantle

    Akihiro Tamura;Shoji Arai

  • Melting and multi-stage metasomatism in the mantle wedge beneath a frontal arc inferred from highly depleted peridotite xenoliths from the Avacha volcano, southern Kamchatka

    Satoko Ishimaru;Shoji Arai;Yoshito Ishida;Miki Shirasaka

  • Insights into Petrological Characteristics of the Lithosphere of Mantle Wedge beneath Arcs through Peridotite Xenoliths: a Review

    Shoji Arai;Satoko Ishimaru

  • Chromitites in ophiolites: How, where, when, why? Part II. The crystallization of chromitites

    José María González-Jiménez;William L. Griffin;Joaquín A. Proenza;Fernando Gervilla

  • Dunite—Harzburgite—Chromitite Complexes as Refractory Residue in the Sangun—Yamaguchi Zone, Western Japan

    Shoji Arai

  • Widespread arc-related melting in the mantle section of the northern Oman ophiolite as inferred from detrital chromian spinels

    S. Arai;K. Kadoshima;T. Morishita

  • Chemical characteristics of chromian spinel in plutonic rocks: Implications for deep magma processes and discrimination of tectonic setting

    Shoji Arai;Hidenobu Okamura;Kazuyuki Kadoshima;Chima Tanaka

  • Contact Metamorphosed Dunite-Harzburgite Complex in the Chugoku District, Western Japan

    Shoji Arai

  • Formation and modification of chromitites in the mantle

    Shoji Arai;Makoto Miura

  • Petrology of the gabbro-troctolite-peridotite complex from Hess Deep, equatorial Pacific : Implications for mantle-melt interaction within the oceanic lithosphere

    S. Arai

  • An estimation of the least depleted spinel peridotite on the basis of olivine-spinel mantle array.

    S. Arai

  • Origin of podiform chromitites

    Shoji Arai

  • Metasomatized harzburgite xenoliths from Avacha volcano as fragments of mantle wedge of the Kamchatka arc: Implication for the metasomatic agent

    Shoji Arai;Satoko Ishimaru;Victor M. Okrugin

  • Petrology of a chromitite micropod from Hess Deep, equatorial Pacific: a comparison between abyssal and alpine-type podiform chromitites

    Shoji Arai;Kyoko Matsukage

  • Control of Wall-rock Composition on the Formation of Podiform Chromitites as a Result of Magma/Peridotite Interaction

    Shoji Arai

Frequent Co-Authors

Akihiro Tamura
Akihiro Tamura Kanazawa University
Tomoaki Morishita
Tomoaki Morishita Kanazawa University
Georges Ceuleneer
Georges Ceuleneer Federal University of Toulouse Midi-Pyrénées
Takahiro Tagami
Takahiro Tagami Kyoto University
Ichiro Kaneoka
Ichiro Kaneoka University of Tokyo
Fernando Gervilla
Fernando Gervilla University of Granada
Hiroyuki Kagi
Hiroyuki Kagi University of Tokyo
Hadi Shafaii Moghadam
Hadi Shafaii Moghadam Karadeniz Technical University
M. Santosh
M. Santosh China University of Geosciences
Hisayoshi Yurimoto
Hisayoshi Yurimoto Hokkaido University

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