World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 51 3221 2944 363 337 196 9593

Timothy J Smyth publications per year

The chart shows the history of publications by Timothy J Smyth between 1992 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Timothy J Smyth published across 30 years, from 1992 to 2021, averaging 7.1 papers a year. Output peaked at 42 publications in 2010. 19 of the 213 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1992 to 2021. Vertical axis: number of publications, 0 to 42. Peak 42 publications in 2010. 1992: 1 publication 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 0 publications 1997: 0 publications 1998: 2 publications 1999: 1 publication 2000: 0 publications 2001: 5 publications 2002: 5 publications 2003: 2 publications 2004: 6 publications 2005: 4 publications 2006: 3 publications 2007: 4 publications 2008: 9 publications 2009: 16 publications 2010: 42 publications 2011: 10 publications 2012: 13 publications 2013: 7 publications 2014: 5 publications 2015: 16 publications 2016: 10 publications 2017: 6 publications 2018: 10 publications 2019: 16 publications 2020: 9 publications 2021: 10 publications
1992 2021

213 publications in total across all disciplines

View publications per year as a table
Timothy J Smyth: publications per year, 1992 to 2021
Year Publications
1992 1
1993 0
1994 0
1995 1
1996 0
1997 0
1998 2
1999 1
2000 0
2001 5
2002 5
2003 2
2004 6
2005 4
2006 3
2007 4
2008 9
2009 16
2010 42
2011 10
2012 13
2013 7
2014 5
2015 16
2016 10
2017 6
2018 10
2019 16
2020 9
2021 10
Total 213
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Timothy J Smyth 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 Timothy J Smyth 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: 196 publications — 61st percentile

61% 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
188–197 401 196
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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Timothy J Smyth 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 Timothy J Smyth 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, 51 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: 51 D-Index — 66th percentile

66% 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 51
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

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Oceanography
  • Meteorology

Ocean color, Oceanography, Remote sensing, SeaWiFS and Biogeochemical cycle are his primary areas of study. His Ocean color study combines topics from a wide range of disciplines, such as Radiative transfer, Optics, Primary productivity and Primary production. His Oceanography course of study focuses on Phytoplankton and Plankton.

His Remote sensing research is multidisciplinary, incorporating elements of Absorption and Aerosol. Timothy J Smyth connects SeaWiFS with Ocean gyre in his research. The various areas that he examines in his Biogeochemical cycle study include Photosynthesis, Climatology, Chlorophyll, Biosphere and Ecosystem.

His most cited work include:

  • A comparison of global estimates of marine primary production from ocean color (454 citations)
  • The seasonal structure of microbial communities in the Western English Channel (298 citations)
  • Radiative forcing of climate by hydrochlorofluorocarbons and hydrofluorocarbons (243 citations)

What are the main themes of his work throughout his whole career to date?

His primary scientific interests are in Oceanography, Remote sensing, SeaWiFS, Phytoplankton and Climatology. His Oceanography research includes themes of Ocean color, Ecosystem and Biogeochemical cycle. His work in Remote sensing tackles topics such as Attenuation coefficient which are related to areas like Wavelength.

His research investigates the connection between SeaWiFS and topics such as Absorption that intersect with issues in Analytical chemistry and Detritus. His studies deal with areas such as Pelagic zone and Plankton as well as Phytoplankton. In his study, Atmospheric sciences is inextricably linked to Chlorophyll, which falls within the broad field of Sea surface temperature.

He most often published in these fields:

  • Oceanography (26.87%)
  • Remote sensing (23.88%)
  • SeaWiFS (21.89%)

What were the highlights of his more recent work (between 2016-2021)?

  • Remote sensing (23.88%)
  • Oceanography (26.87%)
  • SeaWiFS (21.89%)

In recent papers he was focusing on the following fields of study:

His main research concerns Remote sensing, Oceanography, SeaWiFS, Attenuation coefficient and Atmospheric sciences. His Remote sensing study combines topics in areas such as Remote sensing reflectance and Precipitation. His research in Oceanography intersects with topics in Phytoplankton, Biogeochemical cycle and Ecosystem services.

In his work, Nutrient stress is strongly intertwined with Plankton, which is a subfield of Phytoplankton. Timothy J Smyth has researched Atmospheric sciences in several fields, including Assimilation, Flux footprint and Satellite data. His research integrates issues of Bloom and Ocean color in his study of Argo.

Between 2016 and 2021, his most popular works were:

  • Why artificial light at night should be a focus for global change research in the 21st century (96 citations)
  • Connected macroalgal‐sediment systems: blue carbon and food webs in the deep coastal ocean (26 citations)
  • Evaluating operational AVHRR sea surface temperature data at the coastline using surfers (26 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Oceanography
  • Meteorology

Timothy J Smyth spends much of his time researching Ecology, Biomass, Food web, Sea surface temperature and Pelagic zone. His Ecology study frequently draws connections to other fields, such as Oceanography. His Oceanography study incorporates themes from Marine ecosystem, Ecosystem and Ecosystem services.

His work carried out in the field of Biomass brings together such families of science as Zoology, Abundance, Algal bloom, Annual cycle and Diatom. Timothy J Smyth works mostly in the field of Sea surface temperature, limiting it down to concerns involving Advanced very-high-resolution radiometer and, occasionally, Submarine pipeline, Climatic variables and Meteorology. His study in the field of Seston is also linked to topics like Ocean gyre.

Best Publications

  • A comparison of global estimates of marine primary production from ocean color

    Mary-Elena Carr;Marjorie A. M. Friedrichs;Marjorie A. M. Friedrichs;Marjorie Schmeltz;Maki Noguchi Aita

  • Generalized ocean color inversion model for retrieving marine inherent optical properties

    P. Jeremy Werdell;Bryan A. Franz;Sean W. Bailey;Gene C. Feldman

  • The seasonal structure of microbial communities in the Western English Channel

    Jack A. Gilbert;Dawn Field;Paul Swift;Lindsay K. Newbold

  • Radiative forcing of climate by hydrochlorofluorocarbons and hydrofluorocarbons

    Simon Pinnock;Michael D. Hurley;Keith P. Shine;Timothy J. Wallington

  • Maritime Aerosol Network as a component of Aerosol Robotic Network

    A. Smirnov;B. N. Holben;I. Slutsker;D. M. Giles

  • Assessing the uncertainties of model estimates of primary productivity in the tropical Pacific Ocean

    Marjorie A. M. Friedrichs;Mary-Elena Carr;Richard T. Barber;Michele Scardi

  • An absorption model to determine phytoplankton size classes from satellite ocean colour

    T Hirata;J Aiken;NJ Hardman-Mountford;TJ Smyth

  • An evaluation of ocean color model estimates of marine primary productivity in coastal and pelagic regions across the globe

    V. S. Saba;V. S. Saba;M. A. M. Friedrichs;D. Antoine;R. A. Armstrong

  • The Ocean Colour Climate Change Initiative: III. A round-robin comparison on in-water bio-optical algorithms

    Robert J.W. Brewin;Shubha Sathyendranath;Dagmar Muller;Carsten Brockmann

  • A broad spatio-temporal view of the western English Channel observatory

    Timothy J. Smyth;James R. Fishwick;Lisa AL-Moosawi;Denise G. Cummings

  • Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT

    Vincent S. Saba;Vincent S. Saba;Marjorie A. M. Friedrichs;Mary-Elena Carr;David Antoine

  • Maritime aerosol network as a component of AERONET - first results and comparison with global aerosol models and satellite retrievals

    A. Smirnov;B. N. Holben;D. M. Giles;I. Slutsker

  • Connected macroalgal-sediment systems: blue carbon and food webs in the deep coastal ocean

    Ana Moura Queirós;Nicholas Stephens;Stephen Widdicombe;Karen Tait

  • Retrieval of coccolithophore calcite concentration from SeaWiFS Imagery

    Howard R. Gordon;G. Chris Boynton;William M. Balch;Stephen B. Groom

  • Quantifying the Ocean's CO2 budget with a CoHeL-IBR system

    Juan M. Corchado;Jim Aiken;Emilio S. Corchado;Nathalie Lefevre

  • Time series of coccolithophore activity in the Barents Sea, from twenty years of satellite imagery

    T. J. Smyth;T. Tyrrell;B. Tarrant

  • An assessment of phytoplankton primary productivity in the Arctic Ocean from satellite ocean color/in situ chlorophyll‐a based models

    Younjoo J. Lee;Patricia A. Matrai;Marjorie A. M. Friedrichs;Vincent S. Saba

  • Semianalytical model for the derivation of ocean color inherent optical properties: description, implementation, and performance assessment

    Timothy J. Smyth;Gerald F. Moore;Takafumi Hirata;James Aiken

  • Validation of MERIS ocean-color products in the Bohai Sea: A case study for turbid coastal waters

    Tingwei Cui;Jie Zhang;Steve Groom;Ling Sun

  • Pulses in the eastern margin current and warmer water off the north west European shelf linked to North Sea ecosystem changes

    P.C. Reid;N.P. Holliday;T.J. Smyth

Frequent Co-Authors

Steve Groom
Steve Groom Plymouth Marine Laboratory
David Antoine
David Antoine Curtin University
Shubha Sathyendranath
Shubha Sathyendranath Plymouth Marine Laboratory
Giuseppe Zibordi
Giuseppe Zibordi National Academies of Sciences, Engineering, and Medicine
Simon Bélanger
Simon Bélanger Université du Québec à Rimouski
Kenneth J. Voss
Kenneth J. Voss University of Miami
Gavin H. Tilstone
Gavin H. Tilstone Plymouth Marine Laboratory
William M. Balch
William M. Balch Bigelow Laboratory For Ocean Sciences
Alex J. Poulton
Alex J. Poulton Heriot-Watt University
Hubert Loisel
Hubert Loisel University of Lille

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