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 46 4138 3801 269 263 147 10860

John Malpas publications per year

The chart shows the history of publications by John Malpas between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John Malpas published across 55 years, from 1971 to 2025, averaging 2.7 papers a year. Output peaked at 10 publications in 2000. 6 of the 151 publications appeared in the last two years.

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

151 publications in total across all disciplines

View publications per year as a table
John Malpas: publications per year, 1971 to 2025
Year Publications
1971 1
1972 1
1973 1
1974 0
1975 1
1976 3
1977 0
1978 1
1979 3
1980 1
1981 0
1982 2
1983 0
1984 4
1985 1
1986 1
1987 4
1988 1
1989 4
1990 1
1991 1
1992 5
1993 1
1994 2
1995 2
1996 7
1997 8
1998 3
1999 1
2000 10
2001 7
2002 4
2003 5
2004 3
2005 5
2006 3
2007 2
2008 5
2009 0
2010 2
2011 2
2012 4
2013 4
2014 1
2015 3
2016 2
2017 0
2018 0
2019 4
2020 5
2021 2
2022 7
2023 5
2024 4
2025 2
Total 151
Download as CSV

John Malpas publications per year - data summary

  • John Malpas, a Earth Science scholar from University of Hong Kong, has 151 publications recorded across 55 years, from 1971 to 2025.
  • The oldest publication on record dates to 1971 and the most recent to 2025.
  • The most productive year is 2000, with 10 publications.
  • The least productive years with any output are 1971, 1972, 1973, 1975 and others, with 1 publication each.
  • 7 of the 55 years in the span carry no publications at all (1974, 1977, 1981, 1983 and others).
  • The rate of publication averages 2.7 papers per year over the whole span, or 3.1 per year counting only the 48 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 20 publications, 13% of the career total.
  • Split into equal eras - 1971-1989: 29 publications (1.5 per year); 1990-2008: 75 publications (3.9 per year); 2009-2025: 47 publications (2.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

John Malpas 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 John Malpas 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: 147 publications — 37th percentile

37% 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
138–147 491 147
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
Download as CSV

John Malpas publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • John Malpas, a Earth Science scholar from University of Hong Kong, records 147 publications - the 37th percentile of the discipline.
  • 37% of ranked Earth Science scientists score the same or lower than John Malpas, and about 63% score higher.
  • The median of the discipline falls in the 168–177 publications range, and John Malpas ranks below the median.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

John Malpas 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 John Malpas 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, 46 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: 46 D-Index — 55th percentile

55% 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 46
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

John Malpas D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • John Malpas, a Earth Science scholar from University of Hong Kong, records 46 D-Index - the 55th percentile of the discipline.
  • 55% of ranked Earth Science scientists score the same or lower than John Malpas, and about 45% score higher.
  • The median of the discipline falls in the 44 D-Index range, and John Malpas ranks above the median.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Best Publications

  • A temporal link between the Emeishan large Igneous Province (SW China) and the end-Guadalupian mass extinction

    Mei-Fu Zhou;John Malpas;Xie-Yan Song;Paul T. Robinson

  • Podiform Chromitites in the Luobusa Ophiolite (Southern Tibet): Implications for Melt-Rock Interaction and Chromite Segregation in the Upper Mantle

    Mei-Fu Zhou;Paul T. Robinson;John Malpas;Zijin Li

  • Origin and tectonic significance of a Mesozoic multi-layer over-thrust system within the Yangtze Block (South China)

    Dan-Ping Yan;Dan-Ping Yan;Mei-Fu Zhou;Hong-Lin Song;Xin-Wen Wang

  • Geochemistry, Petrogenesis and Metallogenesis of the Panzhihua Gabbroic Layered Intrusion and Associated Fe-Ti-V Oxide Deposits, Sichuan Province, SW China

    Mei-Fu Zhou;Paul T. Robinson;C. Michael Lesher;Reid R. Keays

  • The volcanic stratigraphy and petrogenesis of the Oman ophiolite complex

    T. Alabaster;Julian A. Pearce;J. Malpas

  • Neoproterozoic Arc‐Related Mafic Intrusions along the Northern Margin of South China: Implications for the Accretion of Rodinia

    Mei‐Fu Zhou;Allen K. Kennedy;Min Sun;John Malpas

  • Remnants of a Cretaceous intra-oceanic subduction system within the Yarlung-Zangbo suture (southern Tibet)

    Jonathan C. Aitchison;Badengzhu;Aileen M. Davis;Jianbing B. Liu

  • Two magma series and associated ore deposit types in the Permian Emeishan large igneous province, SW China

    Mei-Fu Zhou;Nicolas T. Arndt;John Malpas;Christina Yan Wang

  • Structure and metamorphism of rocks beneath the Semail ophiolite of Oman and their significance in ophiolite obduction

    M. P. Searle;J. Malpas

  • Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: The role of slab contamination of asthenospheric melts in suprasubduction zone environments

    Mei-Fu Zhou;Paul T. Robinson;Ben-Xun Su;Ben-Xun Su;Jian-Feng Gao

  • Origin of Fe–Ti Oxide Ores in Mafic Intrusions: Evidence from the Panzhihua Intrusion, SW China

    Kwan-Nang Pang;Mei-Fu Zhou;Donald Lindsley;Donggao Zhao

  • Geochemical and geochronological constraints on the origin and emplacement of the Yarlung Zangbo ophiolites, Southern Tibet

    John Malpas;Mei-Fu Zhou;Paul T. Robinson;Peter H. Reynolds

  • Bay of Islands and Little Port complexes, revisited: age, geochemical and isotopic evidence confirm suprasubduction-zone origin

    G. A. Jenner;G. R. Dunning;J. Malpas;M. Brown

  • Model for the origin of the Troodos massif, Cyprus, and other mideast ophiolites

    E. M. Moores;Paul T. Robinson;John Malpas;Costas Xenophonotos

  • Re-assessment of chemical weathering indices: case study on pyroclastic rocks of Hong Kong

    Unknown

  • Ultra-high pressure minerals in the Luobusa Ophiolite, Tibet, and their tectonic implications

    Paul T. Robinson;Wen-Ji Bai;John Malpas;Jing-Sui Yang

  • Detrital zircon record of Neoproterozoic active-margin sedimentation in the eastern Jiangnan Orogen, South China

    Wei Wang;Mei-Fu Zhou;Dan-Ping Yan;Liang Li

  • Drilling deep into young oceanic crust, Hole 504B, Costa Rica Rift

    K. Becker;H. Sakai;A. C. Adamson;J. Alexandrovich

  • Petrochemistry and origin of sub-ophiolitic metamorphic and related rocks in the Oman Mountains

    M. P. Searle;J. Malpas

  • The origin of oceanic plagiogranites from the karmoy ophiolite, western Norway

    Unknown

Frequent Co-Authors

Roger N. Anderson
Roger N. Anderson Columbia University
Jeffrey C. Alt
Jeffrey C. Alt University of Michigan–Ann Arbor
Keir Becker
Keir Becker University of Miami
Hitoshi Sakai
Hitoshi Sakai University of Tokyo
Philippe Pezard
Philippe Pezard University of Montpellier
Hodaka Kawahata
Hodaka Kawahata University of Tokyo
Michael J. Mottl
Michael J. Mottl University of Hawaii at Manoa
Joseph H. Phillips
Joseph H. Phillips MSD (United States)

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 in the USA opens up various academic and professional opportunities. Many students complement their studies with related online programs to diversify their skills and enhance career prospects. For example, veterans can find tailored options through online spanish degree programs for veterans, which may provide valuable language skills applicable in environmental consulting and global research.

For those interested in creative applications within Earth Science fields, such as environmental communication or education, online mfa programs can offer innovative ways to blend science with the arts.

Additionally, leadership skills are crucial in Earth Science careers linked to management and policy. Pursuing a masters degree in human resource management online can prepare graduates for roles overseeing teams and projects within environmental organizations.

Studying online also provides flexibility, especially important for non-traditional students. Many options cater to mature learners, as seen in online degrees for seniors, which could be ideal for those shifting to Earth Science careers later in life.

Best Scientists Citing John Malpas

Recently Published Articles