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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 64 1493 1332 91 81 200 14528

Malcolm R. Walter publications per year

The chart shows the history of publications by Malcolm R. Walter between 1967 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Malcolm R. Walter published across 57 years, from 1967 to 2023, averaging 3.8 papers a year. Output peaked at 21 publications in 2004. 1 of the 214 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1967 to 2023. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2004. 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 1 publication 1971: 0 publications 1972: 4 publications 1973: 1 publication 1974: 2 publications 1975: 1 publication 1976: 5 publications 1977: 0 publications 1978: 1 publication 1979: 5 publications 1980: 2 publications 1981: 2 publications 1982: 3 publications 1983: 4 publications 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 1 publication 1991: 1 publication 1992: 4 publications 1993: 1 publication 1994: 1 publication 1995: 3 publications 1996: 6 publications 1997: 7 publications 1998: 1 publication 1999: 3 publications 2000: 6 publications 2001: 4 publications 2002: 4 publications 2003: 7 publications 2004: 21 publications 2005: 8 publications 2006: 13 publications 2007: 8 publications 2008: 8 publications 2009: 6 publications 2010: 12 publications 2011: 7 publications 2012: 8 publications 2013: 3 publications 2014: 4 publications 2015: 7 publications 2016: 1 publication 2017: 4 publications 2018: 1 publication 2019: 3 publications 2020: 2 publications 2021: 6 publications 2022: 0 publications 2023: 1 publication
1967 2023

214 publications in total across all disciplines

View publications per year as a table
Malcolm R. Walter: publications per year, 1967 to 2023
Year Publications
1967 1
1968 0
1969 1
1970 1
1971 0
1972 4
1973 1
1974 2
1975 1
1976 5
1977 0
1978 1
1979 5
1980 2
1981 2
1982 3
1983 4
1984 1
1985 2
1986 1
1987 1
1988 2
1989 2
1990 1
1991 1
1992 4
1993 1
1994 1
1995 3
1996 6
1997 7
1998 1
1999 3
2000 6
2001 4
2002 4
2003 7
2004 21
2005 8
2006 13
2007 8
2008 8
2009 6
2010 12
2011 7
2012 8
2013 3
2014 4
2015 7
2016 1
2017 4
2018 1
2019 3
2020 2
2021 6
2022 0
2023 1
Total 214
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Malcolm R. Walter 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 Malcolm R. Walter 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, 198–207 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: 200 publications — 63rd percentile

63% 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
198–207 333 200
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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Malcolm R. Walter 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 Malcolm R. Walter 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, 64 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: 64 D-Index — 84th percentile

84% 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 64
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

Malcolm R. Walter is affiliated with the University of New South Wales in Australia, focusing primarily on Earth and Planetary Sciences with a significant body of work also related to Physics and Astronomy. Their research covers multiple interrelated scientific fields and topics, reflecting a multidisciplinary approach to understanding ancient geological and biological processes.

Walter's main fields of study include:

  • Earth and Planetary Sciences
  • Physics and Astronomy

Within these areas, their subfields of expertise are notably diverse, encompassing:

  • Paleontology
  • Astronomy and Astrophysics
  • Atmospheric Science
  • Artificial Intelligence
  • Geochemistry and Petrology

The principal scientific topics addressed in their work feature:

  • Paleontology and Stratigraphy of Fossils
  • Planetary Science and Exploration
  • Geology and Paleoclimatology Research
  • Geochemistry and Geologic Mapping
  • Geochemistry and Elemental Analysis
  • Geological and Geochemical Analysis
  • Biocrusts and Microbial Ecology

Recent publications illustrate a range of interests, from early Earth conditions to microbial ecosystems and planetary analogues, with examples including:

  • A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia (2020, Astrobiology)
  • Modern arsenotrophic microbial mats provide an analogue for life in the anoxic Archean (2020, Communications Earth & Environment)
  • Targeting mixtures of jarosite and clay minerals for Mars exploration (2020, American Mineralogist)
  • Trace Element Concentrations Associated with Mid-Paleozoic Microfossils as Biosignatures to Aid in the Search for Life (2021, Life)
  • 2-Methylhopanoids in geographically distinct, arid biological soil crusts are primarily cyanobacterial in origin (2021, Environmental Microbiology Reports)

Frequent collaborators in Walter's research include scientists such as Tara Djokic, Martin J. Van Kranendonk, J. R. Havig, Pieter T. Visscher, and Kimberley L. Gallagher.

Publication venues where Walter's work has appeared reflect a focus on planetary sciences, astrobiology, and Earth system sciences, including:

  • Astrobiology
  • Communications Earth & Environment
  • American Mineralogist
  • Life
  • Environmental Microbiology Reports

Best Publications

  • Stromatolite reef from the Early Archaean era of Australia

    Abigail C. Allwood;Malcolm R. Walter;Balz S. Kamber;Craig P. Marshall;Craig P. Marshall

  • Stromatolites 3,400–3,500 Myr old from the North Pole area, Western Australia

    M. R. Walter;R. Buick;J. S. R. Dunlop

  • Dating the 840–544 Ma Neoproterozoic interval by isotopes of strontium, carbon, and sulfur in seawater, and some interpretative models

    M.R. Walter;J.J. Veevers;C.R. Calver;P. Gorjan

  • Morphological and ecological complexity in early eukaryotic ecosystems

    Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Filamentous fossil bacteria from the Archean of Western Australia

    S.M. Awramik;J.W. Schopf;M.R. Walter

  • The Ediacaran Period: A New Addition to the Geologic Time Scale

    Andrew H. Knoll;Malcolm R. Walter;Guy M. Narbonne;Nicholas Christie-Blick

  • Neoproterozoic stratigraphy of the Centralian Superbasin, Australia

    M.R. Walter;J.J. Veevers;C.R. Calver;K. Grey

  • Latest Proterozoic stratigraphy and Earth history.

    Andrew H. Knoll;Malcolm R. Walter

  • Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits

    Tara Djokic;Tara Djokic;Martin J Van Kranendonk;Martin J Van Kranendonk;Kathleen A Campbell;Malcolm R Walter

  • Evidence for low sulphate and anoxia in a mid-Proterozoic marine basin

    Yanan Shen;Andrew H. Knoll;Malcolm R. Walter

  • A New Period for the Geologic Time Scale

    Andrew H. Knoll;Malcolm R. Walter;Guy M. Narbonne;Nicholas Christie-Blick

  • Neoproterozoic biotic diversification: Snowball Earth or aftermath of the Acraman impact?

    Kathleen Grey;Malcolm R. Walter;Clive R. Calver

  • TEM evidence for eukaryotic diversity in mid‐Proterozoic oceans

    Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Molecular fossils and microfossils of prokaryotes and protists from Proterozoic sediments

    R. E. Summons;M. R. Walter

  • Preservation of biological information in thermal spring deposits: developing a strategy for the search for fossil life on Mars.

    M. R. Walter;David J. Des Marais

  • Siliceous Algal and Bacterial Stromatolites in Hot Spring and Geyser Effluents of Yellowstone National Park

    Malcolm R. Walter;John Bauld;Thomas D. Brock

  • Environmental Evolution of the Archean-early Proterozoic Earth

    James C. G. Walker;Cornelis Klein;Manfred Schidlowski;J. William Schopf

  • 3.43 billion-year-old stromatolite reef from the Pilbara Craton of western Australia: Ecosystem-scale insights to early life on Earth

    Abigail C. Allwood;Abigail C. Allwood;Malcolm R. Walter;Ian W. Burch;Ian W. Burch;Balz S. Kamber

  • Trace elements record depositional history of an Early Archean stromatolitic carbonate platform

    Abigail C. Allwood;Abigail C. Allwood;Balz S. Kamber;Malcolm R. Walter;Ian W. Burch

  • Combined micro-Fourier transform infrared (FTIR) spectroscopy and micro-Raman spectroscopy of Proterozoic acritarchs: a new approach to Palaeobiology

    Craig P. Marshall;Emmanuelle J. Javaux;Andrew H. Knoll;Malcolm R. Walter

  • Structural characterization of kerogen in 3.4 Ga Archaean cherts from the Pilbara Craton, Western Australia

    Craig P. Marshall;Craig P. Marshall;Gordon D. Love;Gordon D. Love;Colin E. Snape;Andrew C. Hill;Andrew C. Hill

Frequent Co-Authors

Andrew H. Knoll
Andrew H. Knoll Harvard University
Martin J. Van Kranendonk
Martin J. Van Kranendonk Curtin University
Simon C. George
Simon C. George Macquarie University
Brett A. Neilan
Brett A. Neilan University of Newcastle Australia
Jeremy Bailey
Jeremy Bailey University of New South Wales
David Crisp
David Crisp California Institute of Technology
Dorothy Z. Oehler
Dorothy Z. Oehler Planetary Science Institute
J. William Schopf
J. William Schopf University of California, Los Angeles
Peter L. Bergquist
Peter L. Bergquist University of Auckland

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