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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 46 4313 3967 44 42 135 6508

William Colgan publications per year

The chart shows the history of publications by William Colgan between 1969 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William Colgan published across 58 years, from 1969 to 2026, averaging 3.5 papers a year. Output peaked at 29 publications in 2022. 14 of the 202 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1969 to 2026. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2022. 1969: 6 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 2 publications 2009: 1 publication 2010: 2 publications 2011: 4 publications 2012: 4 publications 2013: 13 publications 2014: 5 publications 2015: 13 publications 2016: 12 publications 2017: 6 publications 2018: 16 publications 2019: 14 publications 2020: 13 publications 2021: 14 publications 2022: 29 publications 2023: 24 publications 2024: 10 publications 2025: 11 publications 2026: 3 publications
1969 2026

202 publications in total across all disciplines

View publications per year as a table
William Colgan: publications per year, 1969 to 2026
Year Publications
1969 6
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 2
2009 1
2010 2
2011 4
2012 4
2013 13
2014 5
2015 13
2016 12
2017 6
2018 16
2019 14
2020 13
2021 14
2022 29
2023 24
2024 10
2025 11
2026 3
Total 202
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William Colgan 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 William Colgan 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: 135 publications — 31st percentile

31% 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
128–137 557 135
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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William Colgan 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 William Colgan 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, 46 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: 46 D-Index — 55th percentile

55% 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 46
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

William Colgan is affiliated with the Geological Survey of Denmark and Greenland in Denmark. Their research focuses on Earth and Planetary Sciences as well as Environmental Science, with significant contributions in the subfields of Atmospheric Science, Pulmonary and Respiratory Medicine, Management, Monitoring, Policy and Law, Global and Planetary Change, and Environmental Chemistry.

Their main topics of work include:

  • Cryospheric studies and observations
  • Climate change and permafrost
  • Arctic and Antarctic ice dynamics
  • Winter Sports Injuries and Performance
  • Landslides and related hazards
  • Geology and Paleoclimatology Research
  • Methane Hydrates and Related Phenomena

Colgan has an extensive publication record, with frequent contributions to several scientific journals. The primary venues for their research publications include:

  • Earth system science data
  • Journal of Glaciology
  • Geophysical Research Letters
  • Journal of Geophysical Research Earth Surface
  • The Cryosphere

Some recent papers authored or co-authored by William Colgan are:

  • Mass balance of the Greenland and Antarctic ice sheets from 1992 to 2020 (2023) published in Earth system science data
  • Programme for Monitoring of the Greenland Ice Sheet (PROMICE) automatic weather station data (2021) published in Earth system science data
  • Greenland Ice Sheet solid ice discharge from 1986 through March 2020 (2020) published in Earth system science data
  • Greenland liquid water discharge from 1958 through 2019 (2020) published in Earth system science data
  • Greenland ice sheet climate disequilibrium and committed sea-level rise (2022) published in Nature Climate Change

William Colgan has collaborated frequently with a number of other researchers. The most frequent co-authors include:

  • Shfaqat Abbas Khan
  • Kenneth D. Mankoff
  • Robert S. Fausto
  • Nanna B. Karlsson
  • Kristian K. Kjeldsen

Best Publications

  • Key indicators of Arctic climate change : 1971–2017

    Jason E. Box;William T. Colgan;Torben Røjle Christensen;Torben Røjle Christensen;Niels Martin Schmidt

  • Mass balance of the Greenland and Antarctic ice sheets from 1992 to 2020

    Unknown

  • Spatial and temporal distribution of mass loss from the Greenland Ice Sheet since AD 1900

    Kristian Kjellerup Kjeldsen;Niels J. Korsgaard;Anders A Bjørk;Shfaqat Abbas Khan

  • Greenland meltwater storage in firn limited by near-surface ice formation

    Horst Machguth;Horst Machguth;Mike MacFerrin;Dirk van As;Jason E. Box

  • Glacier crevasses: Observations, models, and mass balance implications

    William Colgan;William Colgan;Harihar Rajaram;Waleed Abdalati;Cheryl McCutchan

  • Programme for Monitoring of the Greenland Ice Sheet (PROMICE) automatic weather station data

    Robert S. Fausto;Dirk van As;Kenneth D. Mankoff;Baptiste Vandecrux

  • A synthesis of the basal thermal state of the Greenland Ice Sheet.

    Joseph A. MacGregor;Joseph A. MacGregor;Mark A. Fahnestock;Ginny A. Catania;Andy Aschwanden

  • A decadal investigation of supraglacial lakes in West Greenland using a fully automatic detection and tracking algorithm

    Yu-Li Liang;William Colgan;Qin Lv;Konrad Steffen;Konrad Steffen

  • Greenland ice sheet climate disequilibrium and committed sea-level rise

    Unknown

  • Greenland Ice Sheet solid ice discharge from 1986 through March 2020

    Kenneth D. Mankoff;Anne Solgaard;William Colgan;Andreas P. Ahlstrøm

  • Greenland liquid water discharge from 1958 through 2019

    Kenneth D. Mankoff;Brice Noël;Xavier Fettweis;Andreas P. Ahlstrøm

  • An increase in crevasse extent, West Greenland: Hydrologic implications

    William Colgan;Konrad Steffen;W. Scott McLamb;Waleed Abdalati

  • Recent warming at Summit, Greenland: Global context and implications

    Daniel McGrath;William Colgan;William Colgan;Nicolas Bayou;Atsuhiro Muto

  • A snow density dataset for improving surface boundary conditions in Greenland ice sheet firn modeling

    Robert S. Fausto;Jason E. Box;Baptiste Robert Marcel Vandecrux;Dirk van As

  • Greenland surface mass-balance observations from the ice-sheet ablation area and local glaciers

    Horst Machguth;Henrik H. Thomsen;Anker Weidick;Andreas P. Ahlstrøm

  • Basin-scale partitioning of Greenland ice sheet mass balance components (2007–2011)

    M.L. Andersen;Lars Stenseng;Henriette Skourup;W. Colgan

  • Assessing the summer water budget of a moulin basin in the Sermeq Avannarleq ablation region, Greenland ice sheet

    Daniel McGrath;William Colgan;Konrad Steffen;Phillip Lauffenburger

  • The implication of nonradiative energy fluxes dominating Greenland ice sheet exceptional ablation area surface melt in 2012

    Robert S. Fausto;Dirk van As;Jason E. Box;William Colgan

  • Global sea-level contribution from Arctic land ice: 1971 to 2017

    Jason Eric Box;William T Colgan;Bert Wouters;David O Burgess

  • Firn data compilation reveals widespread decrease of firn air content in western Greenland

    Baptiste Robert Marcel Vandecrux;Baptiste Robert Marcel Vandecrux;Michael MacFerrin;Horst Machguth;Horst Machguth;William T. Colgan

  • Greenland Ice Sheet Mass Balance Reconstruction. Part III: Marine Ice Loss and Total Mass Balance (1840–2010)

    Jason E. Box;William Colgan

  • Evaluation of cryo-hydrologic warming as an explanation for increased ice velocities in the wet snow zone, Sermeq Avannarleq, West Greenland

    Thomas Phillips;Thomas Phillips;Harihar Rajaram;William Colgan;William Colgan;Konrad Steffen;Konrad Steffen

Frequent Co-Authors

Jason E. Box
Jason E. Box Geological Survey of Denmark and Greenland
Robert S. Fausto
Robert S. Fausto Geological Survey of Denmark and Greenland
Dirk van As
Dirk van As Geological Survey of Denmark and Greenland
Konrad Steffen
Konrad Steffen Swiss Federal Institute for Forest, Snow and Landscape Research
Horst Machguth
Horst Machguth University of Fribourg
Andreas P. Ahlstrøm
Andreas P. Ahlstrøm Geological Survey of Denmark and Greenland
Kristian K. Kjeldsen
Kristian K. Kjeldsen Geological Survey of Denmark and Greenland
Waleed Abdalati
Waleed Abdalati University of Colorado Boulder
Harihar Rajaram
Harihar Rajaram Johns Hopkins University
Xavier Fettweis
Xavier Fettweis University of Liège

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