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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 41 5560 5141 2052 1821 92 6087

David W. Townsend publications per year

The chart shows the history of publications by David W. Townsend between 1967 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David W. Townsend published across 58 years, from 1967 to 2024, averaging 1.8 papers a year. Output peaked at 7 publications in 2014. 3 of the 104 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1967 to 2024. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 2014. 1967: 1 publication 1968: 0 publications 1969: 0 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: 1 publication 1981: 1 publication 1982: 2 publications 1983: 2 publications 1984: 5 publications 1985: 3 publications 1986: 3 publications 1987: 2 publications 1988: 2 publications 1989: 2 publications 1990: 3 publications 1991: 0 publications 1992: 4 publications 1993: 0 publications 1994: 3 publications 1995: 1 publication 1996: 5 publications 1997: 2 publications 1998: 2 publications 1999: 2 publications 2000: 0 publications 2001: 4 publications 2002: 2 publications 2003: 2 publications 2004: 2 publications 2005: 6 publications 2006: 3 publications 2007: 2 publications 2008: 5 publications 2009: 1 publication 2010: 3 publications 2011: 3 publications 2012: 2 publications 2013: 1 publication 2014: 7 publications 2015: 2 publications 2016: 2 publications 2017: 0 publications 2018: 0 publications 2019: 2 publications 2020: 2 publications 2021: 3 publications 2022: 1 publication 2023: 1 publication 2024: 2 publications
1967 2024

104 publications in total across all disciplines

View publications per year as a table
David W. Townsend: publications per year, 1967 to 2024
Year Publications
1967 1
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 1
1981 1
1982 2
1983 2
1984 5
1985 3
1986 3
1987 2
1988 2
1989 2
1990 3
1991 0
1992 4
1993 0
1994 3
1995 1
1996 5
1997 2
1998 2
1999 2
2000 0
2001 4
2002 2
2003 2
2004 2
2005 6
2006 3
2007 2
2008 5
2009 1
2010 3
2011 3
2012 2
2013 1
2014 7
2015 2
2016 2
2017 0
2018 0
2019 2
2020 2
2021 3
2022 1
2023 1
2024 2
Total 104
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David W. Townsend 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 David W. Townsend 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, 88–97 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: 92 publications — 8th percentile

8% 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 92
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
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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David W. Townsend 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 David W. Townsend 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, 41 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: 41 D-Index — 41st percentile

41% 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 41
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
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

David W. Townsend is affiliated with the University of Maine in the United States. Their research primarily spans the fields of Earth and Planetary Sciences and Environmental Science, with a strong focus on Oceanography, Global and Planetary Change, and Ecology.

The main topics of their work include:

  • Marine and coastal ecosystems
  • Oceanographic and Atmospheric Processes
  • Marine Biology and Ecology Research
  • Isotope Analysis in Ecology
  • Ocean Acidification Effects and Responses
  • Marine and fisheries research
  • Cytomegalovirus and herpesvirus research

David W. Townsend has contributed to a number of recent publications. Some significant papers include:

  • Coastal Ocean Data Analysis Product in North America (CODAP-NA) - an internally consistent data product for discrete inorganic carbon, oxygen, and nutrients on the North American ocean margins (2021), published in Earth system science data
  • Warming waters of the Gulf of Maine: The role of Shelf, Slope and Gulf Stream Water masses (2023), published in Progress In Oceanography
  • A Rare Case of HHV-6 Encephalitis in an Immunocompetent Host: Case Report and Literature Review (2022), published in Cureus
  • The effects of source water masses and internal recycling on concentrations of dissolved inorganic nutrients in the Gulf of Maine (2020), published in Continental Shelf Research
  • Changing source waters on the Northeast US Continental Shelf: Variation in nutrient supply and phytoplankton biomass (2024), published in Continental Shelf Research

They have published multiple papers in the following venues:

  • Continental Shelf Research
  • Earth system science data
  • Progress In Oceanography
  • Cureus
  • Regional Studies in Marine Science

Frequent co-authors collaborating with David W. Townsend include:

  • Neal R. Pettigrew
  • Kevin D. Friedland
  • Paula Fratantoni
  • Adrienne Silver
  • Avijit Gangopadhyay

Best Publications

  • Harmful algal blooms and eutrophication: Examining linkages from selected coastal regions of the United States

    Donald M. Anderson;Joann M. Burkholder;William P. Cochlan;Patricia M. Glibert

  • Spring phytoplankton blooms in the absence of vertical water column stratification

    David W. Townsend;Maureen D. Keller;Michael E. Sieracki;Steven G. Ackleson

  • Causes and consequences of variability in the timing of spring phytoplankton blooms

    David W Townsend;Leon M Cammen;Patrick M Holligan;Daniel E Campbell

  • The kinematic and hydrographic structure of the Gulf of Maine Coastal Current

    Neal R. Pettigrew;James H. Churchill;Carol D. Janzen;Linda J. Mangum

  • OCEANOGRAPHY OF THE NORTHWEST ATLANTIC CONTINENTAL SHELF (1,W)

    David W. Townsend;Andrew C. Thomas;Lawrence M. Mayer;Maura A. Thomas

  • Mechanisms regulating large-scale seasonal fluctuations in Alexandrium fundyense populations in the Gulf of Maine: Results from a physical–biological model

    Dennis J. McGillicuddy;Donald M. Anderson;Daniel R. Lynch;David W. Townsend

  • Offshore blooms of the red tide dinoflagellate, Alexandrium sp., in the Gulf of Maine

    David W. Townsend;Neal R. Pettigrew;Andrew C. Thomas

  • Strontium:calcium ratios in juvenile Atlantic herring Clupea harengus L. otoliths as a function of water temperature☆

    David W. Townsend;Richard L. Radtke;Susannah Corwin;David A. Libby

  • Strontium:calcium concentration ratios in otoliths of herring larvae as indicators of environmental histories

    Richard L. Radtke;David W. Townsend;Scott D. Folsom;Melissa A. Morrison

  • Satellite-measured phytoplankton variability in the Gulf of Maine

    Andrew C. Thomas;David W. Townsend;Ryan Weatherbee

  • Observations of the Eastern Maine Coastal Current and its offshore extensions in 1994

    Neal R. Pettigrew;David W. Townsend;Huijie Xue;John P. Wallinga

  • Variability of the coastal current and nutrient pathways in the eastern Gulf of Maine

    David A. Brooks;David W. Townsend

  • Use of Otolith Strontium:Calcium Ratios for Hindcasting Larval Cod Gadus Morhua Distributions Relative to Water Masses on Georges Bank

    David Townsend;R. L. Radtke;D. P. Malone;J. P. Wallinga

  • A changing nutrient regime in the Gulf of Maine.

    David W. Townsend;Nathan D. Rebuck;Maura A. Thomas;Lee Karp-Boss

  • Water Masses and Nutrient Sources to the Gulf of Maine.

    David W. Townsend;Neal R. Pettigrew;Maura A. Thomas;Mark G. Neary

  • Suppression of the 2010 Alexandrium fundyense bloom by changes in physical, biological, and chemical properties of the Gulf of Maine.

    Dennis J. McGillicuddy;David W. Townsend;Ruoying He;Bruce A. Keafer

  • Potential Importance of the Timing of Spring Plankton Blooms to Benthic-Pelagic Coupling and Recruitment of Juvenile Demersal Fishes

    David W. Townsend;Leon M. Cammen

  • Effect of an Intertidal Mudflat on Plankton of the Overlying Water Column

    David J. Carlson;David W. Townsend;Alan L. Hilyard;Jonathan F. Eaton

  • Extent, transparency, and phytoplankton distribution of the neritic waters overlying the israeli coastal shelf

    T. Berman;Y. Azov;A. Schneller;P. Walline

  • Blooms of the coccolithophore Emiliania huxleyi with respect to hydrography in the Gulf of Maine

    David W. Townsend;Maureen D. Keller;Patrick M. Holligan;Steven G. Ackleson

  • The importance of a plume of tidally-mixed water to the biological oceanography of the Gulf of Maine

    David W. Townsend;John P. Christensen;David K. Stevenson;Joseph J. Graham

Frequent Co-Authors

Andrew C. Thomas
Andrew C. Thomas University of Maine
Changsheng Chen
Changsheng Chen University of Massachusetts Dartmouth
Dennis J. McGillicuddy
Dennis J. McGillicuddy Woods Hole Oceanographic Institution
Rubao Ji
Rubao Ji Woods Hole Oceanographic Institution
Robert C. Beardsley
Robert C. Beardsley Woods Hole Oceanographic Institution
Donald M. Anderson
Donald M. Anderson Woods Hole Oceanographic Institution
Huijie Xue
Huijie Xue University of Maine
Tom Berman
Tom Berman National Institute of Oceanography
Cabell S. Davis
Cabell S. Davis Woods Hole Oceanographic Institution
Joe Salisbury
Joe Salisbury University of New Hampshire

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