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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 57 2280 2070 12 12 137 11053

Rewi M. Newnham publications per year

The chart shows the history of publications by Rewi M. Newnham between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rewi M. Newnham published across 37 years, from 1989 to 2025, averaging 4.5 papers a year. Output peaked at 13 publications in 2017. 9 of the 167 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2017. 1989: 1 publication 1990: 0 publications 1991: 1 publication 1992: 2 publications 1993: 3 publications 1994: 0 publications 1995: 3 publications 1996: 2 publications 1997: 2 publications 1998: 4 publications 1999: 9 publications 2000: 3 publications 2001: 1 publication 2002: 4 publications 2003: 4 publications 2004: 6 publications 2005: 8 publications 2006: 6 publications 2007: 5 publications 2008: 8 publications 2009: 1 publication 2010: 5 publications 2011: 2 publications 2012: 8 publications 2013: 10 publications 2014: 4 publications 2015: 6 publications 2016: 5 publications 2017: 13 publications 2018: 5 publications 2019: 4 publications 2020: 2 publications 2021: 5 publications 2022: 11 publications 2023: 5 publications 2024: 6 publications 2025: 3 publications
1989 2025

167 publications in total across all disciplines

View publications per year as a table
Rewi M. Newnham: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 1
1992 2
1993 3
1994 0
1995 3
1996 2
1997 2
1998 4
1999 9
2000 3
2001 1
2002 4
2003 4
2004 6
2005 8
2006 6
2007 5
2008 8
2009 1
2010 5
2011 2
2012 8
2013 10
2014 4
2015 6
2016 5
2017 13
2018 5
2019 4
2020 2
2021 5
2022 11
2023 5
2024 6
2025 3
Total 167
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Rewi M. Newnham 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 Rewi M. Newnham 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, 128–137 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: 137 publications — 32nd percentile

32% 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
128–137 557 137
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
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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Rewi M. Newnham 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 Rewi M. Newnham 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, 57 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: 57 D-Index — 76th percentile

76% 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 57
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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Research.com Recognitions

  • 2019 - Fellow of the Royal Society of New Zealand

Overview

Rewi M. Newnham is affiliated with Victoria University of Wellington in New Zealand. Their research spans multiple disciplines within Earth and Environmental Sciences, with a total of 27 publications in Earth and Planetary Sciences and 19 in Environmental Science.

The scientist's work covers several subfields, including Atmospheric Science, Ecology, Earth-Surface Processes, Oceanography, and Environmental Chemistry. These areas reflect a diverse approach to understanding environmental and geological phenomena.

Frequent publication venues include the Journal of Quaternary Science, Earth's Future, New Zealand Journal of Geology and Geophysics, Earth-Science Reviews, and The Science of The Total Environment. These journals indicate a focus on geological and environmental research.

Among the key research topics addressed by Newnham are:

  • Geology and Paleoclimatology Research
  • Geophysics and Gravity Measurements
  • Isotope Analysis in Ecology
  • Geological formations and processes
  • Methane Hydrates and Related Phenomena
  • Lichen and fungal ecology
  • Coastal and Marine Dynamics

Notable recent papers by Newnham include:

  • The Significance of Interseismic Vertical Land Movement at Convergent Plate Boundaries in Probabilistic Sea-Level Projections for AR6 Scenarios: The New Zealand Case (2024, Earth's Future)
  • Late Holocene sea-level changes and vertical land movements in New Zealand (2020, New Zealand Journal of Geology and Geophysics)
  • An extended last glacial maximum in the Southern Hemisphere: A contribution to the SHeMax project (2022, Earth-Science Reviews)
  • A bacterial index to estimate lake trophic level: National scale validation (2021, The Science of The Total Environment)
  • Drivers of 20th century sea-level change in southern New Zealand determined from proxy and instrumental records (2022, Journal of Quaternary Science)

Frequent co-authors collaborating with Newnham include Andrew Rees, W. Roland Gehrels, Marcus J. Vandergoes, Kate Clark, and Daniel J. King. These collaborations suggest active engagement within a network of researchers addressing geological and environmental topics.

In recognition of their work, Newnham was made a Fellow of the Royal Society of New Zealand in 2019.

Best Publications

  • Formal definition and dating of the GSSP (Global Stratotype Section and Point) for the base of the Holocene using the Greenland NGRIP ice core, and selected auxiliary records

    Mike Walker;Sigfus Johnsen;Sune Olander Rasmussen;Trevor Popp;Trevor Popp

  • Changes in Fire Regimes Since the Last Glacial Maximum: An Assessment Based on a Global Synthesis and Analysis of Charcoal Data

    Mitch J. Power;J. Marlon;N. Ortiz;P. J. Bartlein

  • Formal subdivision of the Holocene Series/Epoch: a Discussion Paper by a Working Group of INTIMATE (Integration of ice‐core, marine and terrestrial records) and the Subcommission on Quaternary Stratigraphy (International Commission on Stratigraphy)

    Mike Walker;M. Berkelhammer;Svante Bjorck;Les C. Cwynar

  • Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period) : two new Global Boundary Stratotype Sections and Points (GSSPs) and three new stages/subseries.

    Mike Walker;Mike Walker;Martin J. Head;Max Berkelhammer;Svante Björck

  • Towards a climate event stratigraphy for New Zealand over the past 30 000 years (NZ‐INTIMATE project)

    Brent V. Alloway;David J. Lowe;David J.A. Barrell;Rewi M. Newnham

  • Fingerprints and age models for widespread New Zealand tephra marker beds erupted since 30,000 years ago: a framework for NZ-INTIMATE

    David J. Lowe;Phil A.R. Shane;Brent V. Alloway;Rewi M. Newnham

  • Quaternary environmental change in New Zealand: a review:

    Rewi M. Newnham;David J. Lowe;Paul W. Williams

  • Onset of recent rapid sea-level rise in the western Atlantic Ocean

    W. Roland Gehrels;Jason R. Kirby;Andreas Prokoph;Rewi M. Newnham

  • Subdividing the Holocene Series/Epoch: formalization of stages/ages and subseries/subepochs, and designation of GSSPs and auxiliary stratotypes

    Mike Walker;Mike Walker;Martin J. Head;John Lowe;Max Berkelhammer

  • Tourism Development in Mallorca: Is Water Supply a Constraint?

    Stephen Essex;Martin Kent;Rewi Newnham

  • A revised age for the Kawakawa/Oruanui tephra, a key marker for the Last Glacial Maximum in New Zealand

    Marcus J. Vandergoes;Marcus J. Vandergoes;Alan G. Hogg;David J. Lowe Lowe;Rewi M. Newnham

  • A wiggle-match date for Polynesian settlement of New Zealand

    Alan G. Hogg;Thomas F.G. Higham;David J. Lowe;Jonathan G. Palmer

  • Tourism and sustainable water supply in Mallorca: a geographical analysis

    M. Kent;R. Newnham;S. Essex

  • Palynology, vegetation and climate of the Waikato lowlands, North Island, New Zealand, since c. 18,000 years ago

    Rewi M. Newnham;David J. Lowe;John D. Green

  • Ages of 24 widespread tephras erupted since 30,000 years ago in New Zealand, with re-evaluation of the timing and palaeoclimatic implications of the Lateglacial cool episode recorded at Kaipo bog

    David J. Lowe;Maarten Blaauw;Alan G. Hogg;Rewi M. Newnham

  • Regional insolation forcing of late Quaternary climate change in the Southern Hemisphere

    Marcus J. Vandergoes;Rewi M. Newnham;Frank Preusser;Chris H. Hendy

  • A 20th century acceleration of sea‐level rise in New Zealand

    W. Roland Gehrels;Bruce W. Hayward;Rewi M. Newnham;Katherine E. Southall

  • Holocene vegetation, climate and history of a raised bog complex, northern New Zealand based on palynology, plant macrofossils and tephrochronology

    R.M. Newnham;P.J. de Lange;D.J. Lowe

  • The Kaharoa Tephra as a Critical Datum for Earliest Human Impact in Northern New Zealand

    R.M. Newnham;D.J. Lowe;M.S. McGlone;J.M. Wilmshurst

  • Rerewhakaaitu Tephra, a land-sea marker for the Last Termination in New Zealand, with implications for global climate change

    Rewi M. Newnham;Dennis N. Eden;David J. Lowe;Chris H. Hendy

  • Towards a climate event stratigraphy for New Zealand over the past 30,000 years

    D.J. A. Barrell;B. V. Alloway;J. Shulmeister;R. M. Newnham

Frequent Co-Authors

David J. Lowe
David J. Lowe University of Waikato
Brent Alloway
Brent Alloway University of Auckland
Janet M. Wilmshurst
Janet M. Wilmshurst Landcare Research
Andrew P. Rees
Andrew P. Rees Plymouth Marine Laboratory
Matt S. McGlone
Matt S. McGlone Landcare Research
Svante Björck
Svante Björck Lund University
Simon G. Haberle
Simon G. Haberle Australian National University
Alfredo Huete
Alfredo Huete University of Technology Sydney
Les C. Cwynar
Les C. Cwynar University of New Brunswick

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