| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 37 | 6672 | 6186 | 2335 | 2070 | 52 | 17894 |
The chart shows the history of publications by Marc J. Defant between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Marc J. Defant published across 43 years, from 1983 to 2025, averaging 1.3 papers a year. Output peaked at 6 publications in 1988. 4 of the 56 publications appeared in the last two years.
56 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1983 | 1 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 6 |
| 1989 | 1 |
| 1990 | 5 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 4 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 0 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 0 |
| 2005 | 1 |
| 2006 | 0 |
| 2007 | 5 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 1 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 4 |
| Total | 56 |
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 Marc J. Defant sits on this spectrum.
This scientist: 52 publications — 1st percentile
1% 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 | 52 |
| 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 | |
| 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 Marc J. Defant sits on this spectrum.
This scientist: 37 D-Index — 27th percentile
27% 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 | 37 |
| 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 | |
| 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 |
Marc J. Defant is affiliated with the University of South Florida in the United States. Their research spans several fields within the social sciences and psychology, focusing heavily on gender studies and related interdisciplinary topics.
Their recent scholarly output includes three papers published in 2025. These works explore issues relating to gender dynamics, evolutionary psychology, and ethical considerations in gender-affirming care.
Their frequent publication venues reflect a focus on multidisciplinary approaches to social and sexual behavior topics, having published at least once in Journal of Libertarian Studies, Journal of Sex & Marital Therapy, and Sexuality & Culture.
Marc J. Defant's main fields of study include:
Within these broad categories, their subfields of study consist of:
The core research topics covered by their publications can be summarized as:
Marc J. Defant;Mark S. Drummond
Mark S. Drummond;Marc J. Defant
Ji-Feng Xu;Ryuichi Shinjo;Marc J. Defant;Qiang Wang
M. S. Drummond;M. J. Defant;P. K. Kepezhinskas
Pavel Kepezhinskas;Frank McDermott;Marc J. Defant;Alfred Hochstaedter
Marc J. Defant;Mark S. Drummond
Fernando G. Sajona;René C. Maury;Hervé Bellon;Joseph Cotten
M. J. Defant;T. E. Jackson;M. S. Drummond;J. Z. De Boer
Pavel Kepezhinskas;Marc J. Defant;Mark S. Drummond
Fernando G. Sajona;René C. Maury;Hervé Bellon;Joseph Cotten
Marc J. Defant;Pavel Kepezhinskas
René C. Maury;Marc J. Defant;Jean-Louis Joron
Marc J. Defant;Phil M. Richerson;Jelle Z. De Boer;Robert H. Stewart
Pavel K. Kepezhinskas;Marc J. Defant;Mark S. Drummond
Elisabeth Widom;Pavel Kepezhinskas;Mark Defant
F. McDermott;M. J. Defant;C. J. Hawkesworth;R. C. Maury
Marc J. Defant;Dario Jacques;Rene C. Maury;Jelle De Boer
Marc J Defant;RenéC Maury;Jean-Louis Joron;Mark D Feigenson
Paul B. Tomascak;Jeffrey G. Ryan;Marc J. Defant
Rene C. Maury;Fernando G. Sajona;Manuel Pubellier;Herve Bellon
If you think any of the details on this page are incorrect, let us know.
Exploring Earth Science opens numerous opportunities not just in research but in diverse related fields. Many students consider pursuing complementary degrees online to expand their expertise and career options. For example, those interested in creative documentation of natural phenomena might explore military friendly online photography degree programs which offer flexible study options and specialized skills beneficial for environmental communication.
Language skills also enrich scientific careers, especially for professionals working in global settings. Programs like online spanish degree courses provide practical language proficiency that enhances collaboration in international projects.
Military veterans transitioning to civilian careers can benefit from tailored programs, such as the online spanish degree for military veterans, which offer supportive learning environments and credit for prior experience.
For those leaning towards the intersection of science and art, pursuing an mfa degree online can open doors to careers in scientific illustration, environmental storytelling, and media production, combining analytical and creative skills.
Indian Institute of Technology Kharagpur
Nanjing Normal University
Nanjing Agricultural University
Cornell University
University of Minnesota
University of British Columbia
United States Geological Survey
University of Wyoming
Medical University of Vienna
University of British Columbia
University of Waterloo
Shanghai Jiao Tong University
University Medical Center Groningen
Norwegian University of Science and Technology
University of British Columbia
University of Nottingham Ningbo China
