| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 67 | 1223 | 1083 | 552 | 474 | 209 | 16264 |
The chart shows the history of publications by Ryan C. Sullivan between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ryan C. Sullivan published across 38 years, from 1988 to 2025, averaging 7.4 papers a year. Output peaked at 21 publications in 2021. 8 of the 281 publications appeared in the last two years.
281 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1988 | 3 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 2 |
| 1992 | 0 |
| 1993 | 0 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 16 |
| 1998 | 9 |
| 1999 | 5 |
| 2000 | 4 |
| 2001 | 0 |
| 2002 | 1 |
| 2003 | 0 |
| 2004 | 8 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 8 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 10 |
| 2011 | 10 |
| 2012 | 5 |
| 2013 | 9 |
| 2014 | 8 |
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 14 |
| 2018 | 16 |
| 2019 | 20 |
| 2020 | 20 |
| 2021 | 21 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 6 |
| Total | 281 |
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 Ryan C. Sullivan sits on this spectrum.
This scientist: 209 publications — 66th percentile
66% 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 | |
| 148–157 | 495 | |
| 158–167 | 458 | |
| 168–177 | 490 | |
| 178–187 | 414 | |
| 188–197 | 401 | |
| 198–207 | 333 | |
| 208–217 | 292 | 209 |
| 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 Ryan C. Sullivan sits on this spectrum.
This scientist: 67 D-Index — 87th percentile
87% 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 | |
| 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 | 67 |
| 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 |
Ryan C. Sullivan is affiliated with Carnegie Mellon University in the United States. Their research spans several fields including Environmental Science, Earth and Planetary Sciences, and Medicine. Within these broader fields, their subfields of study focus on Atmospheric Science, Health, Toxicology and Mutagenesis, Global and Planetary Change, Epidemiology, and Environmental Chemistry.
Their work centers around main topics such as Atmospheric chemistry and aerosols, Air Quality and Health Impacts, Atmospheric aerosols and clouds, Per- and polyfluoroalkyl substances research, Toxic Organic Pollutants Impact, Atmospheric Ozone and Climate, and Sepsis Diagnosis and Treatment.
Among recent papers authored or co-authored by Ryan C. Sullivan are:
Frequent co-authors with whom Ryan C. Sullivan has collaborated include Leif G. Jahn, Bailey B. Bowers, Lydia G. Jahl, Luke Monroe, and Eric P. Schmidt.
Their research has been published repeatedly in several journals, with notable frequent venues including ACS Earth and Space Chemistry, Bulletin of the American Meteorological Society, Aerosol Science and Technology, Environmental Science Processes & Impacts, and bioRxiv (Cold Spring Harbor Laboratory).
Jessie M. Creamean;Kaitlyn J. Suski;Daniel Rosenfeld;Alberto Cazorla
R. E. Arvidson;S. W. Squyres;R. C. Anderson;J. F. Bell
Rawad Saleh;Ellis S. Robinson;Daniel S. Tkacik;Adam T. Ahern
Kimberly A. Prather;Timothy H. Bertram;Vicki H. Grassian;Grant B. Deane
S. W. Squyres;R. E. Arvidson;J.F. Bell;J. Brückner
Paul J. DeMott;Thomas C. J. Hill;Christina S. McCluskey;Kimberly A. Prather
R. C. Sullivan;S. A. Guazzotti;D. A. Sodeman;D. A. Sodeman;K. A. Prather
P. J. DeMott;A. J. Prenni;A. J. Prenni;G. R. McMeeking;R. C. Sullivan
Steven W. Squyres;Raymond E. Arvidson;James F. Bell;J. Bruckner
Housen Chu;Xiangzhong Luo;Xiangzhong Luo;Zutao Ouyang;W. Stephen Chan
Wouter Dorigo;Irene Himmelbauer;Daniel Aberer;Lukas Schremmer
R. M. E. Williams;J. P. Grotzinger;W. E. Dietrich;S. Gupta
D F Blake;R V Morris;G Kocurek;Shaunna M Morrison
M. P. Golombek;John A. Grant;Larry S. Crumpler;Ronald Greeley
R. C. Sullivan;R. C. Sullivan;M. J. K. Moore;M. D. Petters;S. M. Kreidenweis
P. H. Smith;J. F. Bell;N. T. Bridges;D. T. Britt
C. E. Stockwell;R. J. Yokelson;S. M. Kreidenweis;A. L. Robinson
R. Sullivan;D. Banfield;J.F. Bell;W. Calvin
R. Arimoto;Y.J. Kim;Y.P. Kim;P.K. Quinn
Ryan C. Sullivan;Kimberly A. Prather
R. C. Sullivan;M. D. Petters;M. D. Petters;P. J. DeMott;S. M. Kreidenweis
If you think any of the details on this page are incorrect, let us know.
Exploring Earth Science in the USA opens doors to various interdisciplinary studies and career options. For those interested in combining technical skills with creative expression, programs like the cheapest online photography degree offer affordable pathways into digital imaging, which can complement environmental research and communication.
Veterans seeking flexible education options will find valuable resources through military friendly online photography degree programs. These tailored programs provide support and accessibility for those transitioning from military to civilian careers, including fields related to Earth Science documentation and analysis.
Language skills are another asset in Earth Science careers, especially for work in multinational or multicultural environments. The short spanish degrees online provide an efficient route to gaining proficiency, broadening opportunities in research, education, and outreach.
For veterans interested in language acquisition, the best online spanish degree programs for veterans combine military-friendly policies with quality curriculum, helping learners pivot to diverse roles within environmental and Earth Science sectors.
University of Strasbourg
University of Würzburg
University of Zurich
University of Tromsø - The Arctic University of Norway
MIT
University of Birmingham
Stanford University
Oslo University Hospital
Hong Kong Polytechnic University
Yale University
University of Oklahoma
INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
University of Toronto
Celal Bayar University
University of Miami
National Institute of Technology Hamirpur