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 61 1807 1625 793 694 314 12527

Andrew S. Cohen publications per year

The chart shows the history of publications by Andrew S. Cohen between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Andrew S. Cohen published across 47 years, from 1979 to 2025, averaging 8.4 papers a year. Output peaked at 32 publications in 2018. 29 of the 394 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 32. Peak 32 publications in 2018. 1979: 1 publication 1980: 0 publications 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 2 publications 1985: 1 publication 1986: 3 publications 1987: 4 publications 1988: 1 publication 1989: 2 publications 1990: 2 publications 1991: 2 publications 1992: 4 publications 1993: 5 publications 1994: 3 publications 1995: 1 publication 1996: 3 publications 1997: 3 publications 1998: 2 publications 1999: 2 publications 2000: 6 publications 2001: 1 publication 2002: 7 publications 2003: 17 publications 2004: 5 publications 2005: 16 publications 2006: 5 publications 2007: 11 publications 2008: 6 publications 2009: 8 publications 2010: 3 publications 2011: 8 publications 2012: 10 publications 2013: 8 publications 2014: 11 publications 2015: 12 publications 2016: 31 publications 2017: 26 publications 2018: 32 publications 2019: 16 publications 2020: 21 publications 2021: 21 publications 2022: 16 publications 2023: 23 publications 2024: 18 publications 2025: 11 publications
1979 2025

394 publications in total across all disciplines

View publications per year as a table
Andrew S. Cohen: publications per year, 1979 to 2025
Year Publications
1979 1
1980 0
1981 1
1982 1
1983 2
1984 2
1985 1
1986 3
1987 4
1988 1
1989 2
1990 2
1991 2
1992 4
1993 5
1994 3
1995 1
1996 3
1997 3
1998 2
1999 2
2000 6
2001 1
2002 7
2003 17
2004 5
2005 16
2006 5
2007 11
2008 6
2009 8
2010 3
2011 8
2012 10
2013 8
2014 11
2015 12
2016 31
2017 26
2018 32
2019 16
2020 21
2021 21
2022 16
2023 23
2024 18
2025 11
Total 394
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Andrew S. Cohen 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 Andrew S. Cohen 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: 314 publications — 88th percentile

88% 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
308–317 107 314
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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Andrew S. Cohen 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 Andrew S. Cohen 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, 61 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: 61 D-Index — 81st percentile

81% 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 61
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

Andrew S. Cohen is affiliated with the University of Arizona in the United States. Their research spans multiple disciplines, primarily focusing on Earth and Planetary Sciences as well as Medicine.

Their work intersects a number of subfields including Atmospheric Science, Ecology, Anthropology, Paleontology, and Surgery. Through these areas, their research covers diverse topics such as Geology and Paleoclimatology Research, Pleistocene-Era Hominins and Archaeology, Aquatic Ecosystems and Biodiversity, Aquatic Ecosystems and Phytoplankton Dynamics, Isotope Analysis in Ecology, Paleontology and Stratigraphy of Fossils, and broader Evolution and Paleontology Studies.

Andrew S. Cohen has contributed to numerous papers published in well-known venues across geology, ecology, and related fields. Their frequent publication venues include:

  • Abstracts with programs - Geological Society of America
  • The Journal of Urology
  • Quaternary Science Reviews
  • Palaeogeography Palaeoclimatology Palaeoecology
  • Journal of Great Lakes Research

Significant papers authored around the years 2020 and 2021 reflect a focus on climate dynamics, early human environments, and ecological variability, with selected examples including:

  • "African climate response to orbital and glacial forcing in 140,000-y simulation with implications for early modern human environments," 2020, Proceedings of the National Academy of Sciences
  • "Increased ecological resource variability during a critical transition in hominin evolution," 2020, Science Advances
  • "Early human impacts and ecosystem reorganization in southern-central Africa," 2021, Science Advances
  • "Paleo-ENSO influence on African environments and early modern humans," 2021, Proceedings of the National Academy of Sciences
  • "Hydroclimate changes in eastern Africa over the past 200,000 years may have influenced early human dispersal," 2021, Communications Earth & Environment

Frequent collaborations are evident with several co-authors, notably:

  • Alan L. Deino
  • R. Bernhart Owen
  • Robin W. Renaut
  • Michael M. McGlue
  • Nathan M. Rabideaux

The breadth of their research, characterized by a large number of publications and interdisciplinary connections, highlights a career engaged with examining past climates, human evolutionary history, and ecological dynamics through geological and environmental perspectives.

Best Publications

  • Paleolimnology: The History and Evolution of Lake Systems

    Andrew S. Cohen

  • Northern Hemisphere Controls on Tropical Southeast African Climate During the Past 60,000 Years

    Jessica E. Tierney;James M. Russell;Yongsong Huang;Jaap S. Sinninghe Damsté

  • East African megadroughts between 135 and 75 thousand years ago and bearing on early-modern human origins

    Christopher A. Scholz;Thomas C. Johnson;Andrew S. Cohen;John W. King

  • Estimating the age of formation of lakes: An example from Lake Tanganyika, East African Rift system

    Andrew S. Cohen;Michael J. Soreghan;Christopher A. Scholz

  • Ecological consequences of early Late Pleistocene megadroughts in tropical Africa.

    Andrew S. Cohen;Jeffery R. Stone;Kristina R.M. Beuning;Lisa E. Park

  • The environmental context for the origins of modern human diversity: a synthesis of regional variability in African climate 150,000-30,000 years ago.

    Margaret Whiting Blome;Andrew S. Cohen;Christian A. Tryon;Alison S. Brooks

  • Interpreting stable isotopes in food webs: Recognizing the role of time averaging at different trophic levels

    C. M. O'Reilly;R. E. Hecky;A. S. Cohen;P.-D. Plisnier

  • Late-twentieth-century warming in Lake Tanganyika unprecedented since AD 500

    Jessica E. Tierney;Marc T. Mayes;Marc T. Mayes;Natacha Meyer;Christopher Johnson;Christopher Johnson

  • Lacustrine Petroleum Source Rocks

    Andrew S. Cohen;A. J. Fleet;K. Kelts;M. Talbot

  • Human impacts on the African Great Lakes

    Richard Ogutu-Ohwayo;Robert E. Hecky;Andrew S. Cohen;Les Kaufman

  • Nearshore carbonate deposits in Lake Tanganyika

    Andrew S. Cohen;Catherine Thouin

  • The impact of sediment pollution on biodiversity in Lake Tanganyika

    Andrew S. Cohen;Roger Bills;Christine Z. Cocquyt;A.G. Caljon

  • Lake level and paleoenvironmental history of Lake Tanganyika, Africa, as inferred from late Holocene and modern stromatolites

    Andrew S. Cohen;Michael R. Talbot;Stanley M. Awramik;David L. Dettman

  • Abrupt change in tropical African climate linked to the bipolar seesaw over the past 55,000 years

    E. T. Brown;T. C. Johnson;C. A. Scholz;A. S. Cohen

  • New palaeogeographic and lake-level reconstructions of Lake Tanganyika: implications for tectonic, climatic and biological evolution in a rift lake

    A. S. Cohen;K.-E. Lezzar;J.-J. Tiercelin;M. Soreghan

  • Lake-level history of Lake Tanganyika, East Africa, for the past 2500 years based on ostracode-inferred water-depth reconstruction

    Simone R Alin;Andrew S Cohen

  • Climate warming reduces fish production and benthic habitat in Lake Tanganyika, one of the most biodiverse freshwater ecosystems

    Andrew S. Cohen;Elizabeth L. Gergurich;Benjamin M. Kraemer;Michael M. McGlue

  • New seismic stratigraphy and Late Tertiary history of the North Tanganyika Basin, East African Rift system, deduced from multichannel and high‐resolution reflection seismic data and piston core evidence

    K. E. Lezzar;J.-J. Tiercelin;M. De Batist;A. S. Cohen

  • Environmental change explains cichlid adaptive radiation at Lake Malawi over the past 1.2 million years.

    Sarah J. Ivory;Sarah J. Ivory;Margaret W. Blome;John W. King;Michael M. McGlue

  • Petrology and Geochemistry of Rhizoliths from Plio-Pleistocene Fluvial and Marginal Lacustrine Deposits, East Lake Turkana, Kenya

    Jeffrey F. Mount;Andrew S. Cohen

  • The Impact of Sediment Pollution on Biodiversity in

    Lake Tanganyika;Andrew S. Cohen;Roger Bills

  • Consequences of Early Late-Pleistocene Megadroughts in Tropical Africa

    Andrew S Cohen;Jeffery R. Stone;Kristina R M Beuning;Lisa E Park

Frequent Co-Authors

Alan L. Deino
Alan L. Deino Berkeley Geochronology Center
Henry F. Lamb
Henry F. Lamb Aberystwyth University
Craig S. Feibel
Craig S. Feibel Rutgers, The State University of New Jersey
Asfawossen Asrat
Asfawossen Asrat Botswana International University of Science and Technology
James M. Russell
James M. Russell Brown University
Christopher A. Scholz
Christopher A. Scholz Syracuse University
Robin W. Renaut
Robin W. Renaut University of Saskatchewan
Martin H. Trauth
Martin H. Trauth University of Potsdam
Thomas C. Johnson
Thomas C. Johnson University of Massachusetts Amherst
John W. King
John W. King University of Rhode Island

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Related Online Degrees & Career Pathways

Studying Earth Science opens doors to a variety of interdisciplinary career paths. Many students interested in complementing their Earth Science skills explore online degrees that align with leadership and organizational roles, such as online human resource management masters programs. These programs can prepare graduates to manage teams in environmental organizations or government agencies.

For non-traditional students or professionals considering a career shift, finding flexible options is key. Several institutions offer college degrees for seniors that accommodate different learning paces and schedules, making it possible to pursue Earth Science-related studies later in life.

Library and information science is another complementary field, especially for those interested in managing Earth Science data and resources. Accredited programs found through ala accredited mlis programs provide vital training in information organization, digital archiving, and research methodologies.

Obtaining a library science degree can also be valuable for Earth Science professionals focused on preserving scientific records or supporting research institutions. These degrees enhance information management skills crucial for many scientific careers.

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