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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 66 1292 1147 579 499 308 18326

Darrell S. Kaufman publications per year

The chart shows the history of publications by Darrell S. Kaufman between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Darrell S. Kaufman published across 42 years, from 1985 to 2026, averaging 9 papers a year. Output peaked at 25 publications in 2009. 12 of the 377 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2009. 1985: 2 publications 1986: 3 publications 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 2 publications 1991: 4 publications 1992: 4 publications 1993: 4 publications 1994: 0 publications 1995: 3 publications 1996: 2 publications 1997: 1 publication 1998: 5 publications 1999: 1 publication 2000: 3 publications 2001: 4 publications 2002: 4 publications 2003: 7 publications 2004: 8 publications 2005: 9 publications 2006: 8 publications 2007: 7 publications 2008: 17 publications 2009: 25 publications 2010: 8 publications 2011: 10 publications 2012: 10 publications 2013: 16 publications 2014: 13 publications 2015: 13 publications 2016: 14 publications 2017: 23 publications 2018: 17 publications 2019: 23 publications 2020: 19 publications 2021: 14 publications 2022: 15 publications 2023: 19 publications 2024: 23 publications 2025: 11 publications 2026: 1 publication
1985 2026

377 publications in total across all disciplines

View publications per year as a table
Darrell S. Kaufman: publications per year, 1985 to 2026
Year Publications
1985 2
1986 3
1987 1
1988 2
1989 2
1990 2
1991 4
1992 4
1993 4
1994 0
1995 3
1996 2
1997 1
1998 5
1999 1
2000 3
2001 4
2002 4
2003 7
2004 8
2005 9
2006 8
2007 7
2008 17
2009 25
2010 8
2011 10
2012 10
2013 16
2014 13
2015 13
2016 14
2017 23
2018 17
2019 23
2020 19
2021 14
2022 15
2023 19
2024 23
2025 11
2026 1
Total 377
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Darrell S. Kaufman publications per year - data summary

  • Darrell S. Kaufman, a Earth Science scholar from Northern Arizona University, has 377 publications recorded across 42 years, from 1985 to 2026.
  • The oldest publication on record dates to 1985 and the most recent to 2026.
  • The most productive year is 2009, with 25 publications.
  • The least productive years with any output are 1987, 1997, 1999 and 2026, with 1 publication each.
  • 1 of the 42 years in the span carries no publications at all (1994).
  • The rate of publication averages 9.0 papers per year over the whole span, or 9.2 per year counting only the 41 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 69 publications, 18% of the career total.
  • Split into equal eras - 1985-1998: 35 publications (2.5 per year); 1999-2012: 121 publications (8.6 per year); 2013-2026: 221 publications (15.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Darrell S. Kaufman 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 Darrell S. Kaufman 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, 308–317 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: 308 publications — 87th percentile

87% 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
308–317 107 308
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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Darrell S. Kaufman 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.
  • Darrell S. Kaufman, a Earth Science scholar from Northern Arizona University, records 308 publications - the 87th percentile of the discipline.
  • 87% of ranked Earth Science scientists score the same or lower than Darrell S. Kaufman, and about 13% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Darrell S. Kaufman ranks above 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).

Darrell S. Kaufman 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 Darrell S. Kaufman 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, 66 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: 66 D-Index — 86th percentile

86% 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 66
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

Darrell S. Kaufman 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.
  • Darrell S. Kaufman, a Earth Science scholar from Northern Arizona University, records 66 D-Index - the 86th percentile of the discipline.
  • 86% of ranked Earth Science scientists score the same or lower than Darrell S. Kaufman, and about 14% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Darrell S. Kaufman 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).

Overview

Darrell S. Kaufman is affiliated with Northern Arizona University in the United States and primarily conducts research in Earth and Planetary Sciences and Environmental Science. Their work has a notable focus on subfields including Atmospheric Science, Ecology, Global and Planetary Change, Paleontology, and Oceanography.

The main research topics addressed by Kaufman encompass:

  • Geology and Paleoclimatology Research
  • Isotope Analysis in Ecology
  • Climate change and permafrost
  • Archaeology and ancient environmental studies
  • Climate variability and models
  • Tree-ring climate responses
  • Cryospheric studies and observations

Kaufman has published extensively, with papers appearing frequently in venues such as Scientific Data, Climate of the Past, Geochronology, Quaternary Science Reviews, and bioRxiv (Cold Spring Harbor Laboratory).

Some recent papers by Kaufman include:

  • Holocene global mean surface temperature, a multi-method reconstruction approach, 2020, Scientific Data
  • A global database of Holocene paleotemperature records, 2020, Scientific Data
  • Revisiting the Holocene global temperature conundrum, 2023, Nature

In collaborative efforts, Kaufman frequently works alongside colleagues such as Nicholas P. McKay, Michael P. Erb, Cody Routson, Quan Hua, and Jordon Bright.

Best Publications

  • Continental-scale temperature variability during the past two millennia

    Moinuddin Ahmed;Kevin J. Anchukaitis;Kevin J. Anchukaitis;Asfawossen Asrat;Hemant P. Borgaonkar

  • Holocene thermal maximum in the western Arctic (0-180°W)

    D. S. Kaufman;T.A. Ager;N.J. Anderson;P.M. Anderson

  • Recent Warming Reverses Long-Term Arctic Cooling

    Darrell S. Kaufman;David P. Schneider;Nicholas P. McKay;Caspar M. Ammann

  • Global climate evolution during the last deglaciation

    Peter U. Clark;Jeremy D. Shakun;Paul A. Baker;Patrick J. Bartlein

  • A global multiproxy database for temperature reconstructions of the Common Era

    Julien Emile-Geay;Nicholas P. McKay;Darrell S. Kaufman;Lucien Von Gunten

  • Consistent multi-decadal variability in global temperature reconstructions and simulations over the Common Era.

    Raphael Neukom;Luis A. Barboza;Michael P. Erb;Feng Shi

  • Holocene global mean surface temperature, a multi-method reconstruction approach

    Darrell Scott Kaufman;Nicholas Paul McKay;Cody C Routson;Michael Erb

  • Early onset of industrial-era warming across the oceans and continents

    Nerilie J. Abram;Helen V. McGregor;Jessica E. Tierney;Jessica E. Tierney;Michael N. Evans

  • Cyclic variation and solar forcing of Holocene climate in the Alaskan subarctic.

    Feng Sheng Hu;Darrell Kaufman;Sumiko Yoneji;David Nelson

  • A new procedure for determining dl amino acid ratios in fossils using reverse phase liquid chromatography

    Darrell S. Kaufman;William F. Manley

  • Temperature and precipitation history of the Arctic

    G. H. Miller;J. Brigham-Grette;R. B. Alley;L. Anderson

  • Mid-latitude net precipitation decreased with Arctic warming during the Holocene.

    Cody C. Routson;Nicholas P. McKay;Darrell S. Kaufman;Michael P. Erb

  • Holocene climate change in Arctic Canada and Greenland.

    Jason P. Briner;Nicholas P. McKay;Yarrow Axford;Ole Bennike

  • A global database of Holocene paleotemperature records

    Darrell Kaufman;Nicholas McKay;Cody Routson;Michael Erb

  • Glacier fluctuations during the past 2000 years

    Olga N. Solomina;Raymond S. Bradley;Vincent Jomelli;Aslaug Geirsdottir

  • Late Quaternary stratigraphy and sedimentation patterns in the western Arctic Ocean

    Leonid Polyak;Jens Bischof;Joseph D. Ortiz;Dennis A. Darby

  • Closed-system behaviour of the intra-crystalline fraction of amino acids in mollusc shells

    K.E.H. Penkman;D.S. Kaufman;D. Maddy;M.J. Collins

  • Revisiting the Holocene global temperature conundrum

    Unknown

  • Climate response to large, high‐latitude and low‐latitude volcanic eruptions in the Community Climate System Model

    David P. Schneider;Caspar M. Ammann;Bette L. Otto-Bliesner;Darrell S. Kaufman

  • Cosmogenic exposure dating of late Pleistocene moraine stabilization in Alaska

    Jason P. Briner;Darrell S. Kaufman;William F. Manley;Robert C. Finkel

  • The Last Glaciation in central Magellan-Strait, southernmost Chile

    Chalmers M. Clapperton;David E. Sugden;Darrell S. Kaufman;Robert D. McCulloch;Robert D. McCulloch

  • Large-scale features and evaluation of the PMIP4-CMIP6 midHolocene simulations

    Chris M. Brierley;Anni Zhao;Sandy P. Harrison;Pascale Braconnot

Frequent Co-Authors

Nicholas P. McKay
Nicholas P. McKay Northern Arizona University
Jason P. Briner
Jason P. Briner University at Buffalo, State University of New York
Gifford H. Miller
Gifford H. Miller University of Colorado Boulder
R. Scott Anderson
R. Scott Anderson Northern Arizona University
Quan Hua
Quan Hua Australian Nuclear Science and Technology Organisation
Michał Kowalewski
Michał Kowalewski Florida Museum of Natural History
Martin Zuschin
Martin Zuschin University of Vienna
Adam Tomašových
Adam Tomašových Slovak Academy of Sciences
Yarrow Axford
Yarrow Axford Northwestern University
Melanie J. Leng
Melanie J. Leng University of Nottingham

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