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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 42 5298 4896 54 50 164 6140

Christopher J. Hollis publications per year

The chart shows the history of publications by Christopher J. Hollis between 1986 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christopher J. Hollis published across 38 years, from 1986 to 2023, averaging 4.4 papers a year. Output peaked at 15 publications in 2014. 11 of the 167 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1986 to 2023. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2014. 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 0 publications 1993: 6 publications 1994: 3 publications 1995: 2 publications 1996: 1 publication 1997: 5 publications 1998: 2 publications 1999: 0 publications 2000: 3 publications 2001: 3 publications 2002: 1 publication 2003: 9 publications 2004: 9 publications 2005: 4 publications 2006: 4 publications 2007: 1 publication 2008: 6 publications 2009: 12 publications 2010: 6 publications 2011: 3 publications 2012: 5 publications 2013: 7 publications 2014: 15 publications 2015: 10 publications 2016: 4 publications 2017: 6 publications 2018: 6 publications 2019: 7 publications 2020: 8 publications 2021: 6 publications 2022: 9 publications 2023: 2 publications
1986 2023

167 publications in total across all disciplines

View publications per year as a table
Christopher J. Hollis: publications per year, 1986 to 2023
Year Publications
1986 1
1987 0
1988 0
1989 0
1990 0
1991 1
1992 0
1993 6
1994 3
1995 2
1996 1
1997 5
1998 2
1999 0
2000 3
2001 3
2002 1
2003 9
2004 9
2005 4
2006 4
2007 1
2008 6
2009 12
2010 6
2011 3
2012 5
2013 7
2014 15
2015 10
2016 4
2017 6
2018 6
2019 7
2020 8
2021 6
2022 9
2023 2
Total 167
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Christopher J. Hollis 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 Christopher J. Hollis 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, 158–167 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: 164 publications — 46th percentile

46% 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
158–167 458 164
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
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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Christopher J. Hollis 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 Christopher J. Hollis 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, 42 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: 42 D-Index — 44th percentile

44% 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 42
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

Christopher J. Hollis is affiliated with GNS Science in New Zealand and conducts research focused primarily within Earth and Planetary Sciences, Environmental Science, and Engineering. Their work spans several key subfields including Atmospheric Science, Paleontology, Geology, Geophysics, and Mechanics of Materials, with a substantial number of publications in these areas.

Their research topics include:

  • Geology and Paleoclimatology Research
  • Paleontology and Stratigraphy of Fossils
  • Geological and Geophysical Studies
  • Geological and Geochemical Analysis
  • Hydrocarbon Exploration and Reservoir Analysis
  • Isotope Analysis in Ecology
  • Geological formations and processes

Christopher J. Hollis has contributed to several recent scholarly papers, including:

  • "Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum (EECO), Paleocene-Eocene Thermal Maximum (PETM), and latest Paleocene" (2020, Climate of the past)
  • "DeepMIP: model intercomparison of early Eocene climatic optimum (EECO) large-scale climate features and comparison with proxy data" (2021, Climate of the past)
  • "The Chicxulub Impact Produced a Powerful Global Tsunami" (2022, AGU Advances)
  • "An Austral radiolarian biozonation for the Paleogene" (2020, Stratigraphy)
  • "Re-Os geochronology and isotope systematics, and organic and sulfur geochemistry of the middle-late Paleocene Waipawa Formation, New Zealand: Insights into early Paleogene seawater Os isotope composition" (2020, Chemical Geology)

Frequent publication venues for their work include:

  • Climate of the past
  • AGU Advances
  • Stratigraphy
  • Chemical Geology
  • Geochemistry Geophysics Geosystems

Collaborations have been made with several recurring coauthors, such as:

  • Eleni Anagnostou
  • Richard D. Pancost
  • Isabella Raffi
  • Kyle Taylor
  • Kristina M. Pascher

Their research emphasizes integrating geological, paleontological, and geochemical methodologies to study climatic and environmental changes in the Paleogene period, especially focusing on stratigraphy and isotope systematics. This work includes assessments of global temperature trends during significant climatic events such as the early Eocene Climatic Optimum and Paleocene-Eocene Thermal Maximum.

Areas of study also encompass geological processes related to tsunamis, deep-time biostratigraphy of microfossils such as radiolarians, and the geochemical characterization of sedimentary formations within New Zealand. These multidisciplinary approaches contribute to a comprehensive understanding of earth system processes from both geological and geochemical perspectives.

Best Publications

  • Indication of global deforestation at the Cretaceous-Tertiary boundary by New Zealand fern spike.

    Vivi Vajda;J. Ian Raine;Christopher J. Hollis

  • Early Paleogene temperature history of the Southwest Pacific Ocean: Reconciling proxies and models

    Christopher J. Hollis;Kyle W. R. Taylor;Luke Handley;Richard D. Pancost

  • Multiple early Eocene hyperthermals: Their sedimentary expression on the New Zealand continental margin and in the deep sea

    Micah J. Nicolo;Gerald R. Dickens;Christopher J. Hollis;James C. Zachos

  • Re-evaluating modern and Palaeogene GDGT distributions: Implications for SST reconstructions

    Kyle W.R. Taylor;Matthew Huber;Christopher J. Hollis;Maria T. Hernandez-Sanchez

  • The Apectodinium acme and terrestrial discharge during the Paleocene-Eocene thermal maximum: new palynological, geochemical and calcareous nannoplankton observations at Tawanui, New Zealand

    Erica M. Crouch;Erica M. Crouch;Gerald R. Dickens;Gerald R. Dickens;Henk Brinkhuis;Marie Pierre Aubry

  • The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database

    Christopher J Hollis;Tom Dunkley Jones;Eleni Anagnostou;Eleni Anagnostou;Peter K Bijl

  • Tropical sea temperatures in the high-latitude South Pacific during the Eocene

    Christopher J. Hollis;Luke Handley;Erica M. Crouch;Hugh E.G. Morgans

  • Brackish foraminifera in New Zealand; a taxonomic and ecologic review

    Bruce W. Hayward;Christopher J. Hollis

  • Descent toward the Icehouse: Eocene sea surface cooling inferred from GDGT distributions

    Gordon N. Inglis;Alexander Farnsworth;Daniel Lunt;Gavin L. Foster

  • The Paleocene–Eocene transition at Mead Stream, New Zealand: a southern Pacific record of early Cenozoic global change

    Christopher J. Hollis;Gerald R. Dickens;Bradley D. Field;Craig M. Jones

  • The DeepMIP contribution to PMIP4: experimental design for model simulations of the EECO, PETM, and pre-PETM (version 1.0)

    Daniel J. Lunt;Matthew Huber;Eleni Anagnostou;Michiel L. J. Baatsen

  • New Zealand Geological Timescale NZGT 2015/1

    JI Raine;AG Beu;AF Boyes;HJ Campbell

  • Cretaceous-Paleocene Radiolaria from eastern Marlborough, New Zealand

    Christopher John Hollis

  • Recent Elphidiidae (Foraminiferida) of the South-West Pacific and fossil Elphidiidae of New Zealand

    Bruce W. Hayward;Chris J. Hollis;Hugh R. Grenfell

  • Seismic stratigraphy and structural history of the Reinga Basin and its margins, southern Norfolk Ridge system

    R. H. Herzer;G. C. H. Chaproniere;A. R. Edwards;C. J. Hollis

  • Large-Amplitude Variations in Carbon Cycling and Terrestrial Weathering during the Latest Paleocene and Earliest Eocene: The Record at Mead Stream, New Zealand

    Benjamin S. Slotnick;Gerald R. Dickens;Micah J. Nicolo;Christopher J. Hollis

  • Foraminiferal, radiolarian, and dinoflagellate biostratigraphy of Late Cretaceous to Middle Eocene pelagic sediments (Muzzle Group), Mead Stream, Marlborough, New Zealand

    C. P. Strong;C. J. Hollis;G. J. Wilson

  • Paleoecological insights into subduction zone earthquake occurrence, eastern North Island, New Zealand

    Ursula Cochran;Kelvin Berryman;Judith Zachariasen;Dallas Mildenhall

  • South Pacific intermediate water oxygen depletion at the onset of the Paleocene-Eocene thermal maximum as depicted in New Zealand margin sections

    Micah J. Nicolo;Gerald R. Dickens;Christopher J. Hollis

Frequent Co-Authors

Gerald R. Dickens
Gerald R. Dickens Trinity College Dublin
Richard D. Pancost
Richard D. Pancost University of Bristol
James S. Crampton
James S. Crampton Victoria University of Wellington
James C. Zachos
James C. Zachos University of California, Santa Cruz
Matthew Huber
Matthew Huber Purdue University West Lafayette
Rupert Sutherland
Rupert Sutherland Victoria University of Wellington
Bruce W. Hayward
Bruce W. Hayward University of Auckland
Gavin L. Foster
Gavin L. Foster University of Southampton
Daniel J. Lunt
Daniel J. Lunt University of Bristol
Paul Nicholas Pearson
Paul Nicholas Pearson Cardiff University

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