| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 51 | 3198 | 2921 | 1283 | 1139 | 140 | 10247 |
The chart shows the history of publications by John P. Ryan between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John P. Ryan published across 36 years, from 1990 to 2025, averaging 5.5 papers a year. Output peaked at 15 publications in 2012. 16 of the 198 publications appeared in the last two years.
198 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1990 | 1 |
| 1991 | 0 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 0 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 6 |
| 2002 | 3 |
| 2003 | 5 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 6 |
| 2009 | 8 |
| 2010 | 11 |
| 2011 | 10 |
| 2012 | 15 |
| 2013 | 6 |
| 2014 | 9 |
| 2015 | 11 |
| 2016 | 11 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 7 |
| Total | 198 |
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 P. Ryan sits on this spectrum.
This scientist: 140 publications — 33rd percentile
33% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 603 publications or more.
| 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 | 140 |
| 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 |
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 P. Ryan sits on this spectrum.
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.
| 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 |
John P. Ryan is affiliated with the Monterey Bay Aquarium Research Institute in the United States. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with significant contributions to subfields such as Oceanography, Ecology, Developmental Biology, Global and Planetary Change, and Atmospheric Science.
The scientist's work extensively covers a range of topics including:
John P. Ryan has contributed to multiple scholarly articles, with notable recent publications including:
The scientist frequently publishes in venues such as The Journal of the Acoustical Society of America, Frontiers in Marine Science, bioRxiv (Cold Spring Harbor Laboratory), Frontiers in Remote Sensing, and Marine Ecology Progress Series.
Collaborations are a significant component of their work. Frequent co-authors include:
Francisco P. Chavez;John Ryan;Salvador E. Lluch-Cota;C Miguel Ñiquen
Mary-Elena Carr;Marjorie A. M. Friedrichs;Marjorie A. M. Friedrichs;Marjorie Schmeltz;Maki Noguchi Aita
J. C. Comiso;C. R. McClain;C. W. Sullivan;J. P. Ryan
F.P Chavez;J.T Pennington;C.G Castro;C.G Castro;J.P Ryan
Janet Campbell;David Antoine;Robert Armstrong;Kevin Arrigo
David A. Jessup;Melissa A. Miller;John P. Ryan;Hannah M. Nevins;Hannah M. Nevins
Elizabeth Ottesen;Curtis Robert Young Iii;John Marmaduke Eppley;John P. Ryan
Heidi M. Dierssen;Raphael M. Kudela;John P. Ryan;Richard C. Zimmerman
Raphael M. Kudela;John P. Ryan;Melissa D. Blakely;Jenny Q. Lane
J. P. Ryan;R. M. Kudela;J. M. Birch;M. Blum
John P. Ryan;Andrew M. Fischer;Raphael M. Kudela;James F.R. Gower
Elizabeth Ottesen;Roman Marin;Christina M. Preston;Curtis Robert Young
John P. Ryan;Francisco P. Chavez;James G. Bellingham
Jnaneshwar Das;Fr;ric Py
John P. Ryan;Margaret A. McManus;James M. Sullivan
Kevan M. Yamahara;Christina M. Preston;James Birch;Kristine Walz
John P. Ryan;Curtiss O. Davis;Nicholas B. Tufillaro;Raphael M. Kudela
John P. Ryan;James F. R. Gower;Stephanie A. King;W. Paul Bissett
J. P. Ryan;M. A. McManus;J. D. Paduan;F. P. Chavez
John P. Ryan;James A. Yoder;Peter C. Cornillon
John P. Ryan;Iwao Ueki;Yi Chao;Hongchun Zhang;Hongchun Zhang
John P Ryan;Paulo S Polito;Peter G Strutton;Francisco P Chavez
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