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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 57 2322 2107 975 861 282 9393

James M.D. Day publications per year

The chart shows the history of publications by James M.D. Day between 1982 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. James M.D. Day published across 45 years, from 1982 to 2026, averaging 8.5 papers a year. Output peaked at 40 publications in 2021. 26 of the 382 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1982 to 2026. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2021. 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 2 publications 2004: 0 publications 2005: 13 publications 2006: 7 publications 2007: 5 publications 2008: 11 publications 2009: 15 publications 2010: 12 publications 2011: 10 publications 2012: 12 publications 2013: 9 publications 2014: 16 publications 2015: 11 publications 2016: 14 publications 2017: 19 publications 2018: 16 publications 2019: 25 publications 2020: 30 publications 2021: 40 publications 2022: 31 publications 2023: 28 publications 2024: 29 publications 2025: 25 publications 2026: 1 publication
1982 2026

382 publications in total across all disciplines

View publications per year as a table
James M.D. Day: publications per year, 1982 to 2026
Year Publications
1982 1
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 2
2004 0
2005 13
2006 7
2007 5
2008 11
2009 15
2010 12
2011 10
2012 12
2013 9
2014 16
2015 11
2016 14
2017 19
2018 16
2019 25
2020 30
2021 40
2022 31
2023 28
2024 29
2025 25
2026 1
Total 382
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James M.D. Day 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 James M.D. Day 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, 278–287 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: 282 publications — 84th percentile

84% 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
278–287 128 282
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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James M.D. Day 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 James M.D. Day 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, 57 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: 57 D-Index — 76th percentile

76% 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 57
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

James M.D. Day is affiliated with the University of California, San Diego in the United States. Their research primarily spans the fields of Earth and Planetary Sciences and Physics and Astronomy, with significant contributions in subfields such as Geophysics, Astronomy and Astrophysics, Atmospheric Science, Artificial Intelligence, and Ecology.

The scientist's main research topics include Geological and Geochemical Analysis, Astro and Planetary Science, Planetary Science and Exploration, High-pressure Geophysics and Materials, earthquake and tectonic studies, Geology and Paleoclimatology Research, and Geochemistry and Geologic Mapping.

James M.D. Day has published extensively in leading scientific venues. Frequent publication outlets include:

  • Geochimica et Cosmochimica Acta
  • Meteoritics and Planetary Science
  • Earth and Planetary Science Letters
  • Chemical Geology
  • Goldschmidt2022 abstracts

Their recent papers showcase a range of topics related to planetary science and geochemistry. Selected recent publications are:

  • What Martian Meteorites Reveal About the Interior and Surface of Mars (2020), Journal of Geophysical Research Planets
  • The 2021 eruption of the Cumbre Vieja volcanic ridge on La Palma, Canary Islands (2022), Geology Today
  • Detailed petrogenesis of the unsampled Oceanus Procellarum: The case of the Chang'e-5 mare basalts (2022), Icarus
  • Multiple early-formed water reservoirs in the interior of Mars (2020), Nature Geoscience
  • Calcium isotopic evidence for the mantle sources of carbonatites (2020), Science Advances

Collaboration is evident in their work, with frequent co-authors including Frédéric Moynier, Robert W. Nicklas, Arya Udry, Marine Paquet, and Matthew G. Jackson. These collaborations reflect a strong network within the geochemical and planetary science communities.

Best Publications

  • Zinc isotopic evidence for the origin of the Moon

    Randal C. Paniello;James M. D. Day;Frédéric Moynier

  • Anomalous sulphur isotopes in plume lavas reveal deep mantle storage of Archaean crust

    Rita A. Cabral;Matthew G. Jackson;Estelle F. Rose-Koga;Kenneth T. Koga

  • Stochastic Late Accretion to Earth, the Moon, and Mars

    William F. Bottke;Richard J. Walker;James M. D. Day;James M. D. Day;David Nesvorny

  • Tungsten-182 heterogeneity in modern ocean island basalts

    Andrea Mundl;Mathieu Touboul;Matthew G. Jackson;James M. D. Day

  • Highly Siderophile Element Constraints on Accretion and Differentiation of the Earth-Moon System

    James M. D. Day;D. Graham Pearson;Lawrence A. Taylor

  • Evidence for distinct proportions of subducted oceanic crust and lithosphere in HIMU-type mantle beneath El Hierro and La Palma, Canary Islands

    James M.D. Day;James M.D. Day;D. Graham Pearson;Colin G. Macpherson;David Lowry

  • Highly Siderophile Elements in Earth, Mars, the Moon, and Asteroids.

    James M.D. Day;Alan D. Brandon;Richard J. Walker

  • What martian meteorites reveal about the interior and surface of Mars

    Arya Udry;Geoffrey Hamilton Howarth;Christopher Herd;James M.D. Day

  • Extensive volatile loss during formation and differentiation of the Moon

    Chizu Kato;Chizu Kato;Frederic Moynier;Frederic Moynier;Maria C. Valdes;Jasmeet K. Dhaliwal

  • Hotspot volcanism and highly siderophile elements

    James M.D. Day

  • Petrogenesis of olivine-phyric shergottite Larkman Nunatak 06319: Implications for enriched components in martian basalts

    Amit Basu Sarbadhikari;James M.D. Day;Yang Liu;Douglas Rumble

  • 186Os–187Os and highly siderophile element abundance systematics of the mantle revealed by abyssal peridotites and Os-rich alloys

    James M.D. Day;Richard J. Walker;Jessica M. Warren

  • Evaporative fractionation of volatile stable isotopes and their bearing on the origin of the Moon

    James M. D. Day;Frederic Moynier

  • Oxygen isotope constraints on the origin and differentiation of the Moon

    Michael J. Spicuzza;James M.D. Day;Lawrence A. Taylor;John W. Valley

  • Evolution of the martian mantle inferred from the 187Re–187Os isotope and highly siderophile element abundance systematics of shergottite meteorites

    Alan D. Brandon;Igor S. Puchtel;Richard J. Walker;James M.D. Day;James M.D. Day

  • Pyroxenite-rich mantle formed by recycled oceanic lithosphere: Oxygen-osmium isotope evidence from Canary Island lavas

    James M.D. Day;James M.D. Day;D. Graham Pearson;Colin G. Macpherson;David Lowry

  • Petrology and chemistry of MIL 03346 and its significance in understanding the petrogenesis of nakhlites on Mars

    James M. D. Day;Lawrence A. Taylor;Christine Floss;Harry Y. Mcsween

  • Detailed petrogenesis of the unsampled Oceanus Procellarum: The case of the Chang'e-5 mare basalts

    Unknown

  • Late accretion as a natural consequence of planetary growth

    James M. D. Day;James M. D. Day;Richard J. Walker;Liping Qin;Liping Qin;Douglas Rumble

  • Isotopic links between atmospheric chemistry and the deep sulphur cycle on Mars

    Heather B. Franz;Heather B. Franz;Sang-Tae Kim;James Farquhar;James M. D. Day

  • High-3He/4He, depleted mantle and low-δ18O, recycled oceanic lithosphere in the source of central Iceland magmatism

    Colin G. Macpherson;David R. Hilton;James M.D. Day;David Lowry

  • Highly siderophile element depletion in the Moon

    James M.D. Day;Richard J. Walker

Frequent Co-Authors

Lawrence A. Taylor
Lawrence A. Taylor University of Tennessee at Knoxville
Richard J. Walker
Richard J. Walker University of Maryland, College Park
David R. Hilton
David R. Hilton University of California, San Diego
Matthew G. Jackson
Matthew G. Jackson University of California, Santa Barbara
William F. McDonough
William F. McDonough University of Maryland, College Park
Douglas Rumble
Douglas Rumble Carnegie Institution for Science
Igor S. Puchtel
Igor S. Puchtel University of Maryland, College Park
Colin G. Macpherson
Colin G. Macpherson Durham University
Clive R. Neal
Clive R. Neal University of Notre Dame
Harry Y. McSween
Harry Y. McSween University of Tennessee at Knoxville

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