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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Earth Science 73 816 58 191 16891

Colin R. Ward publications per year

The chart shows the history of publications by Colin R. Ward between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Colin R. Ward published across 55 years, from 1971 to 2025, averaging 3.8 papers a year. Output peaked at 18 publications in 2015. 3 of the 207 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1971 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2015. 1971: 1 publication 1972: 3 publications 1973: 0 publications 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 1 publication 1989: 3 publications 1990: 1 publication 1991: 3 publications 1992: 3 publications 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 3 publications 1997: 2 publications 1998: 2 publications 1999: 5 publications 2000: 2 publications 2001: 4 publications 2002: 7 publications 2003: 3 publications 2004: 4 publications 2005: 4 publications 2006: 6 publications 2007: 4 publications 2008: 8 publications 2009: 13 publications 2010: 10 publications 2011: 7 publications 2012: 15 publications 2013: 13 publications 2014: 11 publications 2015: 18 publications 2016: 11 publications 2017: 11 publications 2018: 11 publications 2019: 2 publications 2020: 5 publications 2021: 1 publication 2022: 2 publications 2023: 2 publications 2024: 1 publication 2025: 2 publications
1971 2025

207 publications in total across all disciplines

View publications per year as a table
Colin R. Ward: publications per year, 1971 to 2025
Year Publications
1971 1
1972 3
1973 0
1974 1
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 0
1984 0
1985 0
1986 0
1987 0
1988 1
1989 3
1990 1
1991 3
1992 3
1993 0
1994 1
1995 0
1996 3
1997 2
1998 2
1999 5
2000 2
2001 4
2002 7
2003 3
2004 4
2005 4
2006 6
2007 4
2008 8
2009 13
2010 10
2011 7
2012 15
2013 13
2014 11
2015 18
2016 11
2017 11
2018 11
2019 2
2020 5
2021 1
2022 2
2023 2
2024 1
2025 2
Total 207
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Colin R. Ward 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 Colin R. Ward 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, 188–197 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: 191 publications — 59th percentile

59% 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
188–197 401 191
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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Colin R. Ward 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 Colin R. Ward 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, 73 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: 73 D-Index — 92nd percentile

92% 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
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54 73
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

Colin R. Ward is affiliated with the University of New South Wales in Australia. The scientist's research spans multiple fields, focusing primarily on Engineering and Earth and Planetary Sciences, with a notable concentration in several subfields.

Within these domains, Colin has contributed extensively to Geochemistry and Petrology, Geophysics, Building and Construction, and Biomedical Engineering. There is also work connected to General Economics, Econometrics, and Finance.

The research topics covered include:

  • Coal and Its By-products
  • Coal Properties and Utilization
  • Metal Extraction and Bioleaching
  • Monetary Policy and Economic Impact
  • Global Financial Crisis and Policies
  • Geological and Geochemical Analysis
  • Earthquake and Tectonic Studies

Colin R. Ward has been involved in publications across a variety of academic venues. Frequent publications appear in the following:

  • SSRN Electronic Journal
  • UKnowledge (University of Kentucky)
  • Scientific Reports
  • Environmental Geochemistry and Health
  • Journal of Financial Economics

Recent papers authored or coauthored by Colin include:

  • Sediment microbial fuel cells as a barrier to sulfide accumulation and their potential for sediment remediation beneath aquaculture pens, 2020, Scientific Reports
  • Mineralogical Transformations in Coal Feedstocks during Carbon Conversion, Based on Packed-Bed Combustor Tests, 2024, UKnowledge (University of Kentucky)
  • Geochemical fractionation of hazardous elements in fresh and drilled weathered South African coal fly ashes, 2020, Environmental Geochemistry and Health
  • International trade and the risk in bilateral exchange rates, 2023, Journal of Financial Economics
  • Valuable elements in Chinese coals: a review, 2020, Coal Geology of China

Collaborations are notable with several frequent coauthors, among them:

  • James C. Hower
  • Ramin Hassan
  • Erik Loualiche
  • Alexandre Reggi Pecora
  • Zhongsheng Li

Their work bridges interdisciplinary approaches, reflecting both technical engineering aspects and broader economic analyses related to coal utilization and associated environmental impacts.

Best Publications

  • Analysis and significance of mineral matter in coal seams

    Colin R Ward

  • A review of anomalous rare earth elements and yttrium in coal

    Shifeng Dai;Ian T. Graham;Colin R. Ward

  • Analysis, origin and significance of mineral matter in coal: An updated review

    Colin R. Ward

  • Enrichment of U–Se–Mo–Re–V in coals preserved within marine carbonate successions: geochemical and mineralogical data from the Late Permian Guiding Coalfield, Guizhou, China

    Shifeng Dai;Vladimir V. Seredin;Colin R. Ward;James C. Hower

  • Mineralogical and geochemical compositions of the coal in the Guanbanwusu Mine, Inner Mongolia, China: Further evidence for the existence of an Al (Ga and REE) ore deposit in the Jungar Coalfield

    Shifeng Dai;Yaofa Jiang;Colin R. Ward;Landing Gu

  • Determination of glass content and estimation of glass composition in fly ash using quantitative X-ray diffractometry

    Colin R. Ward;David French

  • On the fundamental difference between coal rank and coal type

    Jennifer M.K. O'Keefe;Achim Bechtel;Kimon Christanis;Shifeng Dai

  • Mineralogical and geochemical compositions of the Pennsylvanian coal in the Adaohai Mine, Daqingshan Coalfield, Inner Mongolia, China: Modes of occurrence and origin of diaspore, gorceixite, and ammonian illite

    Shifeng Dai;Jianhua Zou;Yaofa Jiang;Colin R. Ward

  • Mobility of trace elements from selected Australian fly ashes and its potential impact on aquatic ecosystems

    Jerzy Jankowski;Colin R. Ward;David French;Sarah Groves

  • Petrology, mineralogy, and geochemistry of the Ge-rich coal from the Wulantuga Ge ore deposit, Inner Mongolia, China: New data and genetic implications

    Shifeng Dai;Xibo Wang;Vladimir V. Seredin;James C. Hower

  • 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

  • Mineralogical and geochemical anomalies of late Permian coals from the Fusui Coalfield, Guangxi Province, southern China: Influences of terrigenous materials and hydrothermal fluids

    Shifeng Dai;Weiguo Zhang;Weiguo Zhang;Colin R. Ward;Vladimir V. Seredin

  • Enrichment of U-Re-V-Cr-Se and rare earth elements in the Late Permian coals of the Moxinpo Coalfield, Chongqing, China: Genetic implications from geochemical and mineralogical data

    Shifeng Dai;Panpan Xie;Shaohui Jia;Colin R. Ward

  • Quantification of mineral matter in the Argonne Premium Coals using interactive Rietveld-based X-ray diffraction

    Colin R. Ward;John C. Taylor;C.E. Matulis;L.S. Dale

  • Valuable elements in Chinese coals: a review

    Shifeng Dai;Xiaoyun Yan;Colin R. Ward;James C. Hower

  • Mineral matter and trace elements in coals of the Gunnedah Basin, New South Wales, Australia

    Colin R Ward;D.A Spears;Carol A Booth;Ian Staton

  • Origin of minerals and elements in the Late Permian coals, tonsteins, and host rocks of the Xinde Mine, Xuanwei, eastern Yunnan, China

    Shifeng Dai;Tian Li;Vladimir V. Seredin;Colin R. Ward

  • Geochemical and mineralogical evidence for a coal-hosted uranium deposit in the Yili Basin, Xinjiang, northwestern China

    Shifeng Dai;Jianye Yang;Colin R. Ward;James C. Hower

  • Revisiting the late Permian coal from the Huayingshan, Sichuan, southwestern China: Enrichment and occurrence modes of minerals and trace elements

    Shifeng Dai;Yangbing Luo;Vladimir V. Seredin;Colin R. Ward

  • Composition and modes of occurrence of minerals and elements in coal combustion products derived from high-Ge coals

    Shifeng Dai;Vladimir V. Seredin;Colin R. Ward;Jianhua Jiang

  • Coal-derived unburned carbons in fly ash: A review

    James C. Hower;John G. Groppo;Uschi M. Graham;Colin R. Ward

Frequent Co-Authors

James C. Hower
James C. Hower University of Kentucky
Shifeng Dai
Shifeng Dai China University of Mining and Technology
Deolinda Flores
Deolinda Flores University of Porto
Luis F.O. Silva
Luis F.O. Silva University of Lima
Ian T. Graham
Ian T. Graham University of New South Wales
Isabel Suárez-Ruiz
Isabel Suárez-Ruiz Spanish National Research Council
Xavier Querol
Xavier Querol Spanish National Research Council
Marcos L.S. Oliveira
Marcos L.S. Oliveira Universidade Federal de Santa Catarina
Deyi Ren
Deyi Ren China University of Mining and Technology
Robert B. Finkelman
Robert B. Finkelman The University of Texas at Dallas

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