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 59 2054 1859 893 789 146 11604

John Marra publications per year

The chart shows the history of publications by John Marra between 1977 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John Marra published across 48 years, from 1977 to 2024, averaging 3.5 papers a year. Output peaked at 9 publications in 1993. 5 of the 169 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1977 to 2024. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 1993. 1977: 1 publication 1978: 3 publications 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 2 publications 1983: 3 publications 1984: 5 publications 1985: 3 publications 1986: 2 publications 1987: 5 publications 1988: 2 publications 1989: 3 publications 1990: 6 publications 1991: 2 publications 1992: 5 publications 1993: 9 publications 1994: 6 publications 1995: 8 publications 1996: 2 publications 1997: 6 publications 1998: 5 publications 1999: 4 publications 2000: 8 publications 2001: 4 publications 2002: 7 publications 2003: 5 publications 2004: 5 publications 2005: 4 publications 2006: 2 publications 2007: 4 publications 2008: 1 publication 2009: 6 publications 2010: 2 publications 2011: 1 publication 2012: 3 publications 2013: 1 publication 2014: 4 publications 2015: 7 publications 2016: 3 publications 2017: 1 publication 2018: 3 publications 2019: 2 publications 2020: 0 publications 2021: 3 publications 2022: 4 publications 2023: 3 publications 2024: 2 publications
1977 2024

169 publications in total across all disciplines

View publications per year as a table
John Marra: publications per year, 1977 to 2024
Year Publications
1977 1
1978 3
1979 0
1980 1
1981 1
1982 2
1983 3
1984 5
1985 3
1986 2
1987 5
1988 2
1989 3
1990 6
1991 2
1992 5
1993 9
1994 6
1995 8
1996 2
1997 6
1998 5
1999 4
2000 8
2001 4
2002 7
2003 5
2004 5
2005 4
2006 2
2007 4
2008 1
2009 6
2010 2
2011 1
2012 3
2013 1
2014 4
2015 7
2016 3
2017 1
2018 3
2019 2
2020 0
2021 3
2022 4
2023 3
2024 2
Total 169
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John Marra 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 John Marra 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, 138–147 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: 146 publications — 37th percentile

37% 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
138–147 491 146
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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John Marra 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 John Marra 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, 59 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: 59 D-Index — 79th percentile

79% 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 59
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

John Marra is affiliated with Brooklyn College in the United States and focuses primarily on research within Earth and Planetary Sciences. Their work spans several subfields, including Oceanography, Atmospheric Science, Ecology, Global and Planetary Change, and Environmental Chemistry.

The scientist's research covers multiple topics related to marine and atmospheric systems. These main topics include:

  • Marine and coastal ecosystems
  • Oceanographic and Atmospheric Processes
  • Marine Biology and Ecology Research
  • Geology and Paleoclimatology Research
  • Polar Research and Ecology
  • Marine and fisheries research
  • Tropical and Extratropical Cyclones Research

John Marra has authored and coauthored several recent publications. Notable papers include:

  • "Reconciling Between Optical and Biological Determinants of the Euphotic Zone Depth," 2021, Journal of Geophysical Research Oceans
  • "A database of ocean primary productivity from the 14C method," 2020, Limnology and Oceanography Letters
  • "Science on a mission: How military funding shaped what we do and don't know about the ocean," 2021, Limnology and Oceanography Bulletin
  • "The Use of VGPM to Estimate Oceanic Primary Production: A "Tango" Difficult to Dance," 2022, Journal of Remote Sensing
  • "Assessment of water levels from 43 years of NOAA's Coastal Ocean Reanalysis (CORA) for the Gulf of Mexico and East Coasts," 2024, Frontiers in Marine Science

Frequent coauthors collaborating with John Marra include Zhongping Lee, W. S. Chamberlin, Carol Knudson, Linta Rose, and Matthew J. Widlansky. These collaborations indicate ongoing engagement with colleagues across various aspects of marine and atmospheric research.

The scientist's works have appeared in several publication venues, with the most common being:

  • Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • Frontiers in Marine Science
  • Limnology and Oceanography Bulletin
  • Journal of Geophysical Research Oceans
  • Limnology and Oceanography Letters

This body of work reflects John Marra's focus on linking biological, optical, and physical aspects of oceanic processes. Their research includes contributions to understanding ocean primary productivity and the influence of funding on scientific directions in marine studies.

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

  • Elevated consumption of carbon relative to nitrogen in the surface ocean

    Raymond N. Sambrotto;Graham Savidge;Carol Robinson;Philip Boyd

  • The seasonal cycle of phytoplankton biomass and primary productivity in the Ross Sea, Antarctica

    Walker O Smith;John Marra;Michael R Hiscock;Richard T Barber

  • Comparison of algorithms for estimating ocean primary production from surface chlorophyll, temperature, and irradiance

    Janet Campbell;David Antoine;Robert Armstrong;Kevin Arrigo

  • Phytoplankton Photosynthetic Response to Vertical Movement in a Mixed Layer

    J. Marra

  • Primary productivity and its regulation in the Arabian Sea during 1995

    Richard T Barber;John Marra;Robert C Bidigare;Louis A Codispoti

  • A comparison of four methods for determining planktonic community production1

    Michael Bender;Karen Grande;Kenneth Johnson;John Marra

  • 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

  • Effect of short-term variations in light intensity on photosynthesis of a marine phytoplankter: A laboratory simulation study

    J. Marra

  • 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

  • Approaches to the Measurement of Plankton Production

    John Marra

  • Impact of a cyclonic eddy on phytoplankton community structure and photosynthetic competency in the subtropical North Pacific Ocean

    Robert D. Vaillancourt;John Marra;Michael P. Seki;Michael L. Parsons

  • Primary production at 47°N and 20°W in the North Atlantic Ocean: a comparison between the 14C incubation method and the mixed layer carbon budget

    David W. Chipman;John Marra;Taro Takahashi

  • Ocean color variability in the Indonesian Seas during the SeaWiFS era

    R. Dwi Susanto;Thomas S. Moore;Thomas S. Moore;John Marra

  • High phytoplankton growth and production rates in oligotrophic Hawaiian coastal waters1

    E. A. Laws;D. G. Redalje;L. W. Haas;P. K. Bienfang

  • 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

  • Net and gross productivity: weighing in with 14C

    John Marra

  • Biogeochemical regimes, net community production and carbon export in the Ross Sea, Antarctica

    Colm Sweeney;Dennis A Hansell;Craig A Carlson;L.A Codispoti

  • Particulate organic carbon fluxes: compilation of results from the 1995 US JGOFS Arabian Sea Process Study: By the Arabian Sea Carbon Flux Group

    C. Lee;D.W. Murray;R.T. Barber;K.O. Buesseler

  • Vertical budgets for organic carbon and biogenic silica in the Pacific sector of the Southern Ocean, 1996-1998

    David M Nelson;Robert F Anderson;Richard T Barber;Mark A Brzezinski

  • Observations on the degradation of biogenic material in the deep ocean with implications on accuracy of sediment trap fluxes

    Wilford D. Gardner;Kenneth R. Hinga;John Marra

Frequent Co-Authors

Tommy D. Dickey
Tommy D. Dickey University of California, Santa Barbara
Richard T. Barber
Richard T. Barber Duke University
Chris Langdon
Chris Langdon Oregon State University
Robert R. Bidigare
Robert R. Bidigare University of Hawaii at Manoa
Robert A. Weller
Robert A. Weller Woods Hole Oceanographic Institution
Raymond C. Smith
Raymond C. Smith University of California, Santa Barbara
David Antoine
David Antoine Curtin University
Walker O. Smith
Walker O. Smith Shanghai Jiao Tong University
André Morel
André Morel Sorbonne University
Michael J. Behrenfeld
Michael J. Behrenfeld Oregon State University

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