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Earth Science
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 100 131 111 67 55 439 41091

Daniel M. Sigman publications per year

The chart shows the history of publications by Daniel M. Sigman between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Daniel M. Sigman published across 31 years, from 1995 to 2025, averaging 16.3 papers a year. Output peaked at 32 publications in 2013. 51 of the 504 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2013. 1995: 1 publication 1996: 0 publications 1997: 4 publications 1998: 4 publications 1999: 5 publications 2000: 2 publications 2001: 11 publications 2002: 11 publications 2003: 14 publications 2004: 17 publications 2005: 15 publications 2006: 9 publications 2007: 23 publications 2008: 17 publications 2009: 17 publications 2010: 15 publications 2011: 19 publications 2012: 19 publications 2013: 32 publications 2014: 28 publications 2015: 24 publications 2016: 19 publications 2017: 13 publications 2018: 28 publications 2019: 18 publications 2020: 27 publications 2021: 17 publications 2022: 20 publications 2023: 24 publications 2024: 24 publications 2025: 27 publications
1995 2025

504 publications in total across all disciplines

View publications per year as a table
Daniel M. Sigman: publications per year, 1995 to 2025
Year Publications
1995 1
1996 0
1997 4
1998 4
1999 5
2000 2
2001 11
2002 11
2003 14
2004 17
2005 15
2006 9
2007 23
2008 17
2009 17
2010 15
2011 19
2012 19
2013 32
2014 28
2015 24
2016 19
2017 13
2018 28
2019 18
2020 27
2021 17
2022 20
2023 24
2024 24
2025 27
Total 504
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Daniel M. Sigman 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 Daniel M. Sigman 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, 438–447 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: 439 publications — 96th percentile

96% 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 36 439
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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Daniel M. Sigman 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 Daniel M. Sigman 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, 100 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: 100 D-Index — 99th percentile

99% 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
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 13 100
101 3
102 9
103 4
104 6
105 6
106+ 98
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Research.com Recognitions

  • 2026 - Research.com Earth Science in United States Leader Award
  • 2025 - Research.com Earth Science in United States Leader Award
  • 2009 - Fellow of the MacArthur Foundation
  • 2004 - Fellow of American Geophysical Union (AGU)

Overview

Daniel M. Sigman is affiliated with Princeton University in the United States. Their research primarily spans the fields of Earth and Planetary Sciences and Environmental Science, with a particular focus on subfields including Ecology, Oceanography, Atmospheric Science, Environmental Chemistry, and Paleontology.

The scientist's work covers several main topics, highlighting areas such as Isotope Analysis in Ecology, Geology and Paleoclimatology Research, Marine and Coastal Ecosystems, Methane Hydrates and Related Phenomena, Paleontology and Stratigraphy of Fossils, Marine Biology and Ecology Research, and Groundwater and Isotope Geochemistry.

Among recent publications authored by or involving Daniel M. Sigman are:

  • The Southern Ocean during the ice ages: A review of the Antarctic surface isolation hypothesis, with comparison to the North Pacific, 2020, Quaternary Science Reviews
  • Global Nitrogen Cycle: Critical Enzymes, Organisms, and Processes for Nitrogen Budgets and Dynamics, 2020, Chemical Reviews
  • Southern Ocean upwelling, Earth's obliquity, and glacial-interglacial atmospheric CO 2 change, 2020, Science
  • Enhanced ocean oxygenation during Cenozoic warm periods, 2022, Nature
  • Nitrogen isotopic constraints on nutrient transport to the upper ocean, 2021, Nature Geoscience

The scientist frequently collaborates with a number of researchers, including Alfredo Martínez-García, Gerald H. Haug, Alexandra Auderset, Alan Foreman, and Sergey Oleynik.

Daniel M. Sigman's publications are commonly found in the following venues:

  • Science
  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Goldschmidt2022 abstracts
  • Abstracts with programs - Geological Society of America

Throughout their career, Daniel M. Sigman has received recognition including being named a Fellow of the American Geophysical Union (AGU) in 2004, and a Fellow of the MacArthur Foundation in 2009.

Best Publications

  • Southward Migration of the Intertropical Convergence Zone Through the Holocene

    Gerald H. Haug;Konrad A. Hughen;Daniel M. Sigman;Larry C. Peterson

  • A Bacterial Method for the Nitrogen Isotopic Analysis of Nitrate in Seawater and Freshwater

    D.M. Sigman;K.L. Casciotti;M. Andreani;C. Barford

  • Measurement of the Oxygen Isotopic Composition of Nitrate in Seawater and Freshwater Using the Denitrifier Method

    K L Casciotti;D M Sigman;M Galanter Hastings;J K Böhlke

  • Glacial/interglacial variations in atmospheric carbon dioxide

    Daniel M. Sigman;Edward A. Boyle

  • Climate and the Collapse of Maya Civilization

    Gerald H. Haug;Detlef Günther;Larry C. Peterson;Daniel Mikhail Sigman

  • Influence of the intertropical convergence zone on the East Asian monsoon

    Gergana Yancheva;Norbert R. Nowaczyk;Jens Mingram;Peter Dulski

  • The polar ocean and glacial cycles in atmospheric CO 2 concentration

    Daniel M. Sigman;Mathis P. Hain;Mathis P. Hain;Gerald H. Haug;Gerald H. Haug

  • Dinitrogen fixation in the world's oceans

    D. Karl;A. Michaels;B. Bergman;D.G. Capone

  • Spatial coupling of nitrogen inputs and losses in the ocean

    Curtis Deutsch;Jorge L. Sarmiento;Daniel M. Sigman;Nicolas Gruber;Nicolas Gruber

  • Contribution of Southern Ocean surface-water stratification to low atmospheric CO2 concentrations during the last glacial period

    Roger Franois;Mark A. Altabet;Ein-Fen Yu;Daniel M. Sigman

  • Natural abundance-level measurement of the nitrogen isotopic composition of oceanic nitrate: an adaptation of the ammonia diffusion method

    D.M. Sigman;M.A. Altabet;R. Michener;D.C. McCorkle

  • The nitrogen isotope biogeochemistry of sinking particles from the margin of the Eastern North Pacific

    Mark A. Altabet;Cynthia Pilskaln;Robert Thunell;Carol Pride

  • Iron Fertilization of the Subantarctic Ocean During the Last Ice Age

    Alfredo Martínez-García;Daniel M. Sigman;Haojia Ren;Robert F. Anderson

  • Links between tropical rainfall and North Atlantic climate during the last glacial period

    Gaudenz Deplazes;Andreas Lückge;Larry C. Peterson;Axel Timmermann

  • North Pacific seasonality and the glaciation of North America 2.7 million years ago

    Gerald H. Haug;Andrey Ganopolski;Daniel Mikhail Sigman;Antoni Rosell-Mele

  • Nitrogen and oxygen isotope fractionation during dissimilatory nitrate reduction by denitrifying bacteria

    Julie Granger;Daniel Mikhail Sigman;Moritz F. Lehmann;Philippe D. Tortell

  • Coupled nitrogen and oxygen isotope fractionation of nitrate during assimilation by cultures of marine phytoplankton

    Julie Granger;Daniel M. Sigman;Joseph A. Needoba;Paul J. Harrison

  • The bioinorganic chemistry of the ancient ocean: the co-evolution of cyanobacterial metal requirements and biogeochemical cycles at the Archean–Proterozoic boundary?

    Mak A Saito;Daniel M Sigman;François M.M Morel

  • Measuring 15N-NH4/+ in marine, estuarine and fresh waters: An adaptation of the ammonia diffusion method for samples with low ammonium concentrations

    R. M. Holmes;James W McClelland;D. M. Sigman;B. Fry

  • Southern Ocean dust-climate coupling over the past four million years

    Alfredo Martínez-Garcia;Alfredo Martínez-Garcia;Alfredo Martínez-Garcia;Antoni Rosell-Melé;Antoni Rosell-Melé;Antoni Rosell-Melé;Samuel L. Jaccard;Walter Geibert;Walter Geibert

  • Climate and the collapse of Maya civilization

    Larry C. Peterson;Gerald H. Haug

Frequent Co-Authors

Gerald H. Haug
Gerald H. Haug Max Planck Institute for Chemistry
Samuel L. Jaccard
Samuel L. Jaccard University of Lausanne
Alfredo Martínez-García
Alfredo Martínez-García Max Planck Society
Robert F. Anderson
Robert F. Anderson Columbia University
Roger Francois
Roger Francois University of British Columbia
Konrad A Hughen
Konrad A Hughen Woods Hole Oceanographic Institution
Gisela Winckler
Gisela Winckler Lamont-Doherty Earth Observatory
Laura F. Robinson
Laura F. Robinson University of Bristol
Eric D. Galbraith
Eric D. Galbraith McGill University
Peter Dulski
Peter Dulski University of Potsdam

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