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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 33 8361 7757 2766 2447 220 4144

Bogdan P. Onac publications per year

The chart shows the history of publications by Bogdan P. Onac between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Bogdan P. Onac published across 34 years, from 1993 to 2026, averaging 7.1 papers a year. Output peaked at 21 publications in 2019. 5 of the 243 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2019. 1993: 1 publication 1994: 0 publications 1995: 2 publications 1996: 0 publications 1997: 1 publication 1998: 0 publications 1999: 1 publication 2000: 4 publications 2001: 7 publications 2002: 6 publications 2003: 6 publications 2004: 3 publications 2005: 7 publications 2006: 6 publications 2007: 4 publications 2008: 6 publications 2009: 13 publications 2010: 11 publications 2011: 11 publications 2012: 10 publications 2013: 11 publications 2014: 19 publications 2015: 7 publications 2016: 10 publications 2017: 9 publications 2018: 13 publications 2019: 21 publications 2020: 15 publications 2021: 8 publications 2022: 10 publications 2023: 4 publications 2024: 12 publications 2025: 4 publications 2026: 1 publication
1993 2026

243 publications in total across all disciplines

View publications per year as a table
Bogdan P. Onac: publications per year, 1993 to 2026
Year Publications
1993 1
1994 0
1995 2
1996 0
1997 1
1998 0
1999 1
2000 4
2001 7
2002 6
2003 6
2004 3
2005 7
2006 6
2007 4
2008 6
2009 13
2010 11
2011 11
2012 10
2013 11
2014 19
2015 7
2016 10
2017 9
2018 13
2019 21
2020 15
2021 8
2022 10
2023 4
2024 12
2025 4
2026 1
Total 243
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Bogdan P. Onac 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 Bogdan P. Onac 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, 218–227 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: 220 publications — 70th percentile

70% 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
218–227 290 220
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
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Bogdan P. Onac 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 Bogdan P. Onac 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, 33 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: 33 D-Index — 11th percentile

11% 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 33
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
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

Bogdan P. Onac is affiliated with the University of South Florida in the United States. Their research primarily focuses on Earth and Planetary Sciences, with a significant number of publications in Atmospheric Science, Earth-Surface Processes, Oceanography, Archeology, and Geophysics.

Their recent papers reflect a broad engagement with topics related to geology, paleoclimatology, and planetary exploration. Notable publications include:

  • Brazilian cave heritage under siege, 2022, published in Science
  • A roadmap for planetary caves science and exploration, 2021, published in Nature Astronomy
  • Sea-level stands from the Western Mediterranean over the past 6.5 million years, 2021, published in Scientific Reports
  • Fundamental Science and Engineering Questions in Planetary Cave Exploration, 2022, published in Journal of Geophysical Research Planets
  • Last interglacial sea-level history from speleothems: a global standardized database, 2021, published in Earth system science data

The scientist frequently collaborates with several co-authors, including Victor J. Polyak, Yemane Asmerom, Francesco Sauro, Ana Z. Miller, and Joan J. Fornós. These collaborations indicate a sustained research network primarily within their fields of study.

Publication venues where Bogdan P. Onac has contributed multiple works include Scientific Reports, Zenodo (CERN European Organization for Nuclear Research), The Science of The Total Environment, Palaeogeography Palaeoclimatology Palaeoecology, and Communications Earth & Environment.

The main fields of study and subfields reflect an interdisciplinary approach encompassing:

  • Earth and Planetary Sciences
  • Atmospheric Science
  • Earth-Surface Processes
  • Oceanography
  • Archeology
  • Geophysics

Main research topics covered by their work include:

  • Geology and Paleoclimatology Research
  • Maritime and Coastal Archaeology
  • Karst Systems and Hydrogeology
  • Marine and Environmental Studies
  • Planetary Science and Exploration
  • Earthquake and Tectonic Studies
  • Methane Hydrates and Related Phenomena

Best Publications

  • Climate Variability and Associated Vegetation Response throughout Central and Eastern Europe (CEE) between 60 and 8 ka

    A. Feurdean;A. Perşoiu;I. Tanţău;T. Stevens

  • Sea-Level Highstand 81,000 Years Ago in Mallorca

    Jeffrey A. Dorale;Bogdan P. Onac;Joan J. Fornós;Joaquin Ginés

  • Impact of climate change on the transition of Neanderthals to modern humans in Europe

    Michael Staubwasser;Virgil Drăgușin;Bogdan P. Onac;Bogdan P. Onac;Sergey Assonov;Sergey Assonov

  • Constraints on global mean sea level during Pliocene warmth.

    Oana-Alexandra Dumitru;Jacqueline Austermann;Victor J Polyak;Joan J Fornós

  • Minerogenetic mechanisms occurring in the cave environment: an overview

    Bogdan P. Onac;Paolo Forti

  • Holocene winter climate variability in Central and Eastern Europe

    Aurel Perșoiu;Bogdan P. Onac;Bogdan P. Onac;Jonathan G. Wynn;Maarten Blaauw

  • Isotopic climate record in a Holocene stalagmite from Ursilor Cave (Romania)

    Bogdan Petroniu Onac;Silviu Constantin;Joyce Lundberg;Stein-Erik Lauritzen

  • Cryogenic carbonates in cave environments: A review

    Karel Žák;Bogdan P. Onac;Bogdan P. Onac;Aurel Perşoiu

  • Lateglacial-Middle Holocene Stable Isotope Records in Two Coeval Stalagmites from the Bihor Mountains, NW Romania

    Tudor Tămaş;Bogdan P. Onac;Ana-Voica Bojar

  • ASSESSING THE PALAEOCLIMATE POTENTIAL OF CAVE GLACIERS: THE EXAMPLE OF THE SCǍRIŞOARA ICE CAVE (ROMANIA)

    Per Holmlund;Bogdan P. Onac;Margareta Hansson;Karin Holmgren

  • Tracing the sources of cave sulfates: a unique case from Cerna Valley, Romania

    Bogdan P. Onac;Bogdan P. Onac;Jonathan G. Wynn;Jonathan B. Sumrall

  • Stable isotope behavior during cave ice formation by water freezing in Scărişoara ice cave, Romania

    Aurel Perşoiu;Bogdan P. Onac;Bogdan P. Onac;Jonathan G. Wynn;Ana-Voica Bojar;Ana-Voica Bojar

  • Younger Dryas to mid-Holocene environmental history of the lowlands of NW Transylvania, Romania

    Angelica N Feurdean;Volker Mosbrugger;Bogdan P. Onac;Victor J. Polyak

  • A highly resolved record of relative sea level in the western Mediterranean Sea during the last interglacial period

    Victor J. Polyak;Bogdan P. Onac;Joan J. Fornós;Carling Hay

  • Constraining Holocene hydrological changes in the Carpathian–Balkan region using speleothem δ 18 O and pollen-based temperature reconstructions

    Virgil Dragusin;Virgil Dragusin;Virgil Dragusin;Michael Staubwasser;Dirk L. Hoffmann;Vasile Ersek;Vasile Ersek

  • Reconstruction of climatic and environmental changes in NW Romania during the early part of the last deglaciation (∼15,000–13,600 cal yr BP)

    Barbara Wohlfarth;Gina Hannon;Angelica Feurdean;Lucretia Ghergari

  • Sulfur isotopic composition and the source of dissolved sulfur species in thermo-mineral springs of the Cerna Valley, Romania

    Jonathan G. Wynn;Jonathan B. Sumrall;Jonathan B. Sumrall;Bogdan P. Onac;Bogdan P. Onac

  • Evaluating the Palaeoecological Potential of Pollen Recovered from Ice in Caves: A Case Study from Scărişoara Ice Cave, Romania

    Angelica Feurdean;Aurel Perşoiu;Anna Pazdur;Bogdan P. Onac

  • The Campanian Ignimbrite/Y5 tephra layer – A regional stratigraphic marker for Isotope Stage 3 deposits in the Lower Danube region, Romania

    Daniel Veres;Daniel Veres;Christine S. Lane;Alida Timar-Gabor;Ulrich Hambach

  • Sequence of secondary phosphates deposition in a karst environment evidence from Mǎgurici Cave (Romania)

    Bogdan P. Onac;Daniel S. Vereş

Frequent Co-Authors

Jonathan G. Wynn
Jonathan G. Wynn National Science Foundation
Victor J. Polyak
Victor J. Polyak University of New Mexico
Yemane Asmerom
Yemane Asmerom University of New Mexico
Daniel Veres
Daniel Veres Romanian Academy
Karin Holmgren
Karin Holmgren Swedish University of Agricultural Sciences
William B. White
William B. White University of Connecticut
Angelica Feurdean
Angelica Feurdean Goethe University Frankfurt
David W. Peate
David W. Peate University of Iowa
Barbara Wohlfarth
Barbara Wohlfarth Stockholm University
Maarten Blaauw
Maarten Blaauw Queen's University Belfast

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